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/*
 * Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 
 * According to cos feature, we modify some class,comment, field name, etc.
 */


package com.branch.cos.internal;

import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.LinkedHashMap;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.XMLReaderFactory;

import com.branch.cos.exception.CosClientException;
import com.branch.cos.exception.CosServiceException;
import com.branch.cos.exception.MultiObjectDeleteException.DeleteError;
import com.branch.cos.model.AbortIncompleteMultipartUpload;
import com.branch.cos.model.AccessControlList;
import com.branch.cos.model.Bucket;
import com.branch.cos.model.BucketCrossOriginConfiguration;
import com.branch.cos.model.BucketLifecycleConfiguration;
import com.branch.cos.model.BucketLifecycleConfiguration.NoncurrentVersionTransition;
import com.branch.cos.model.BucketLifecycleConfiguration.Rule;
import com.branch.cos.model.BucketLifecycleConfiguration.Transition;
import com.branch.cos.model.BucketReplicationConfiguration;
import com.branch.cos.model.BucketVersioningConfiguration;
import com.branch.cos.model.CORSRule;
import com.branch.cos.model.CORSRule.AllowedMethods;
import com.branch.cos.model.COSObjectSummary;
import com.branch.cos.model.COSVersionSummary;
import com.branch.cos.model.CompleteMultipartUploadResult;
import com.branch.cos.model.CopyObjectResult;
import com.branch.cos.model.DeleteObjectsResult.DeletedObject;
import com.branch.cos.model.Grantee;
import com.branch.cos.model.InitiateMultipartUploadResult;
import com.branch.cos.model.MultipartUpload;
import com.branch.cos.model.MultipartUploadListing;
import com.branch.cos.model.ObjectListing;
import com.branch.cos.model.Owner;
import com.branch.cos.model.PartListing;
import com.branch.cos.model.PartSummary;
import com.branch.cos.model.Permission;
import com.branch.cos.model.ReplicationDestinationConfig;
import com.branch.cos.model.ReplicationRule;
import com.branch.cos.model.UinGrantee;
import com.branch.cos.model.GroupGrantee;
import com.branch.cos.model.VersionListing;
import com.branch.cos.model.Tag.LifecycleTagPredicate;
import com.branch.cos.model.Tag.Tag;
import com.branch.cos.model.lifecycle.LifecycleAndOperator;
import com.branch.cos.model.lifecycle.LifecycleFilter;
import com.branch.cos.model.lifecycle.LifecycleFilterPredicate;
import com.branch.cos.model.lifecycle.LifecyclePrefixPredicate;
import com.branch.cos.utils.DateUtils;
import com.branch.cos.utils.StringUtils;
import com.branch.cos.utils.UrlEncoderUtils;
import com.branch.cos.model.BucketWebsiteConfiguration;
import com.branch.cos.model.RoutingRuleCondition;
import com.branch.cos.model.RedirectRule;
import com.branch.cos.model.RoutingRule;
import com.branch.cos.model.BucketDomainConfiguration;
import com.branch.cos.model.DomainRule;
import com.branch.cos.model.BucketLoggingConfiguration;
import com.branch.cos.model.GetBucketInventoryConfigurationResult;
import com.branch.cos.model.inventory.InventoryConfiguration;
import com.branch.cos.model.inventory.InventoryDestination;
import com.branch.cos.model.inventory.InventoryFilter;
import com.branch.cos.model.inventory.InventoryCosBucketDestination;
import com.branch.cos.model.inventory.ServerSideEncryptionCOS;
import com.branch.cos.model.ListBucketInventoryConfigurationsResult;
import com.branch.cos.model.inventory.InventoryPrefixPredicate;
import com.branch.cos.model.inventory.InventorySchedule;
import com.branch.cos.model.TagSet;
import com.branch.cos.model.BucketTaggingConfiguration;

/**
 * XML Sax parser to read XML documents returned by COS via the REST interface, converting these
 * documents into objects.
 */
public class XmlResponsesSaxParser {
    private static final Logger log = LoggerFactory.getLogger(XmlResponsesSaxParser.class);

    private XMLReader xr = null;

    private boolean sanitizeXmlDocument = true;

    /**
     * Constructs the XML SAX parser.
     *
     * @throws CosClientException
     */
    public XmlResponsesSaxParser() throws CosClientException {
        // Ensure we can load the XML Reader.
        try {
            xr = XMLReaderFactory.createXMLReader();
        } catch (SAXException e) {
            throw new CosClientException("Couldn't initialize a SAX driver to create an XMLReader",
                    e);
        }
    }

    /**
     * Parses an XML document from an input stream using a document handler.
     *
     * @param handler the handler for the XML document
     * @param inputStream an input stream containing the XML document to parse
     *
     * @throws IOException on error reading from the input stream (ie connection reset)
     * @throws CosClientException on error with malformed XML, etc
     */
    protected void parseXmlInputStream(DefaultHandler handler, InputStream inputStream)
            throws IOException {
        try {

            if (log.isDebugEnabled()) {
                log.debug("Parsing XML response document with handler: " + handler.getClass());
            }

            BufferedReader breader =
                    new BufferedReader(new InputStreamReader(inputStream, StringUtils.UTF8));
            xr.setContentHandler(handler);
            xr.setErrorHandler(handler);
            xr.parse(new InputSource(breader));

        } catch (IOException e) {
            throw e;

        } catch (Throwable t) {
            try {
                inputStream.close();
            } catch (IOException e) {
                if (log.isErrorEnabled()) {
                    log.error("Unable to close response InputStream up after XML parse failure", e);
                }
            }
            throw new CosClientException(
                    "Failed to parse XML document with handler " + handler.getClass(), t);
        }
    }

    protected InputStream sanitizeXmlDocument(DefaultHandler handler, InputStream inputStream)
            throws IOException {

        if (!sanitizeXmlDocument) {
            // No sanitizing will be performed, return the original input stream unchanged.
            return inputStream;
        } else {
            if (log.isDebugEnabled()) {
                log.debug("Sanitizing XML document destined for handler " + handler.getClass());
            }

            InputStream sanitizedInputStream = null;

            try {

                /*
                 * Read object listing XML document from input stream provided into a string buffer,
                 * so we can replace troublesome characters before sending the document to the XML
                 * parser.
                 */
                StringBuilder listingDocBuffer = new StringBuilder();
                BufferedReader br =
                        new BufferedReader(new InputStreamReader(inputStream, StringUtils.UTF8));

                char[] buf = new char[8192];
                int read = -1;
                while ((read = br.read(buf)) != -1) {
                    listingDocBuffer.append(buf, 0, read);
                }
                br.close();

                /*
                 * Replace any carriage return (\r) characters with explicit XML character entities,
                 * to prevent the SAX parser from misinterpreting 0x0D characters as 0x0A and being
                 * unable to parse the XML.
                 */
                String listingDoc = listingDocBuffer.toString().replaceAll("\r", "
");

                sanitizedInputStream =
                        new ByteArrayInputStream(listingDoc.getBytes(StringUtils.UTF8));

            } catch (IOException e) {
                throw e;

            } catch (Throwable t) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    if (log.isErrorEnabled()) {
                        log.error(
                                "Unable to close response InputStream after failure sanitizing XML document",
                                e);
                    }
                }
                throw new CosClientException("Failed to sanitize XML document destined for handler "
                        + handler.getClass(), t);
            }
            return sanitizedInputStream;
        }
    }

    /**
     * Safely parses the specified string as an integer and returns the value. If a
     * NumberFormatException occurs while parsing the integer, an error is logged and -1 is
     * returned.
     *
     * @param s The string to parse and return as an integer.
     *
     * @return The integer value of the specified string, otherwise -1 if there were any problems
     *         parsing the string as an integer.
     */
    private static int parseInt(String s) {
        try {
            return Integer.parseInt(s);
        } catch (NumberFormatException nfe) {
            log.error("Unable to parse integer value '" + s + "'", nfe);
        }

        return -1;
    }

    /**
     * Safely parses the specified string as a long and returns the value. If a
     * NumberFormatException occurs while parsing the long, an error is logged and -1 is returned.
     *
     * @param s The string to parse and return as a long.
     *
     * @return The long value of the specified string, otherwise -1 if there were any problems
     *         parsing the string as a long.
     */
    private static long parseLong(String s) {
        try {
            return Long.parseLong(s);
        } catch (NumberFormatException nfe) {
            log.error("Unable to parse long value '" + s + "'", nfe);
        }

        return -1;
    }

    /**
     * Checks if the specified string is empty or null and if so, returns null. Otherwise simply
     * returns the string.
     *
     * @param s The string to check.
     * @return Null if the specified string was null, or empty, otherwise returns the string the
     *         caller passed in.
     */
    private static String checkForEmptyString(String s) {
        if (s == null)
            return null;
        if (s.length() == 0)
            return null;

        return s;
    }

    /**
     * Perform a url decode on the given value if specified. Return value by default;
     */
    private static String decodeIfSpecified(String value, boolean decode) {
        return decode ? UrlEncoderUtils.urlDecode(value) : value;
    }

    /**
     * Parses a ListBucket response XML document from an input stream.
     *
     * @param inputStream XML data input stream.
     * @return the XML handler object populated with data parsed from the XML stream.
     * @throws CosClientException
     */
    public ListBucketHandler parseListBucketObjectsResponse(InputStream inputStream,
            final boolean shouldSDKDecodeResponse) throws IOException {
        ListBucketHandler handler = new ListBucketHandler(shouldSDKDecodeResponse);
        parseXmlInputStream(handler, sanitizeXmlDocument(handler, inputStream));
        return handler;
    }


    /**
     * Parses a ListVersions response XML document from an input stream.
     *
     * @param inputStream XML data input stream.
     * @param shouldSDKDecodeResponse
     * @return the XML handler object populated with data parsed from the XML stream.
     * @throws CosClientException
     */
    public ListVersionsHandler parseListVersionsResponse(InputStream inputStream,
            boolean shouldSDKDecodeResponse) throws IOException {
        ListVersionsHandler handler = new ListVersionsHandler(shouldSDKDecodeResponse);
        parseXmlInputStream(handler, sanitizeXmlDocument(handler, inputStream));
        return handler;
    }

    /**
     * Parses a ListAllMyBuckets response XML document from an input stream.
     *
     * @param inputStream XML data input stream.
     * @return the XML handler object populated with data parsed from the XML stream.
     * @throws CosClientException
     */
    public ListAllMyBucketsHandler parseListMyBucketsResponse(InputStream inputStream)
            throws IOException {
        ListAllMyBucketsHandler handler = new ListAllMyBucketsHandler();
        parseXmlInputStream(handler, sanitizeXmlDocument(handler, inputStream));
        return handler;
    }

    //
    /**
     * Parses an AccessControlListHandler response XML document from an input stream.
     *
     * @param inputStream XML data input stream.
     * @return the XML handler object populated with data parsed from the XML stream.
     *
     * @throws CosClientException
     */
    public AccessControlListHandler parseAccessControlListResponse(InputStream inputStream)
            throws IOException {
        AccessControlListHandler handler = new AccessControlListHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    //
    // /**
    // * Parses a LoggingStatus response XML document for a bucket from an input stream.
    // *
    // * @param inputStream XML data input stream.
    // * @return the XML handler object populated with data parsed from the XML stream.
    // *
    // * @throws CosClientException
    // */
    // public BucketLoggingConfigurationHandler parseLoggingStatusResponse(InputStream inputStream)
    // throws IOException {
    // BucketLoggingConfigurationHandler handler = new BucketLoggingConfigurationHandler();
    // parseXmlInputStream(handler, inputStream);
    // return handler;
    // }
    //
    public BucketLifecycleConfigurationHandler parseBucketLifecycleConfigurationResponse(
            InputStream inputStream) throws IOException {
        BucketLifecycleConfigurationHandler handler = new BucketLifecycleConfigurationHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }


    public BucketCrossOriginConfigurationHandler parseBucketCrossOriginConfigurationResponse(
            InputStream inputStream) throws IOException {
        BucketCrossOriginConfigurationHandler handler = new BucketCrossOriginConfigurationHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    public BucketDomainConfigurationHandler parseBucketDomainConfigurationResponse(
            InputStream inputStream) throws IOException {
        BucketDomainConfigurationHandler handler = new BucketDomainConfigurationHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    public String parseBucketLocationResponse(InputStream inputStream) throws IOException {
        BucketLocationHandler handler = new BucketLocationHandler();
        parseXmlInputStream(handler, inputStream);
        return handler.getLocation();
    }

    public BucketVersioningConfigurationHandler parseVersioningConfigurationResponse(
            InputStream inputStream) throws IOException {
        BucketVersioningConfigurationHandler handler = new BucketVersioningConfigurationHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    //
    // public BucketWebsiteConfigurationHandler parseWebsiteConfigurationResponse(
    // InputStream inputStream) throws IOException {
    // BucketWebsiteConfigurationHandler handler = new BucketWebsiteConfigurationHandler();
    // parseXmlInputStream(handler, inputStream);
    // return handler;
    // }
    //
    //
    public BucketReplicationConfigurationHandler parseReplicationConfigurationResponse(
            InputStream inputStream) throws IOException {
        BucketReplicationConfigurationHandler handler = new BucketReplicationConfigurationHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    public BucketTaggingConfigurationHandler parseTaggingConfigurationResponse(InputStream inputStream)
            throws IOException {
        BucketTaggingConfigurationHandler handler = new BucketTaggingConfigurationHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    //
    // public BucketTaggingConfigurationHandler parseTaggingConfigurationResponse(
    // InputStream inputStream) throws IOException {
    // BucketTaggingConfigurationHandler handler = new BucketTaggingConfigurationHandler();
    // parseXmlInputStream(handler, inputStream);
    // return handler;
    // }
    //
    public DeleteObjectsHandler parseDeletedObjectsResult(InputStream inputStream)
            throws IOException {
        DeleteObjectsHandler handler = new DeleteObjectsHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    public CopyObjectResultHandler parseCopyObjectResponse(InputStream inputStream)
            throws IOException {
        CopyObjectResultHandler handler = new CopyObjectResultHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    public CompleteMultipartUploadHandler parseCompleteMultipartUploadResponse(
            InputStream inputStream) throws IOException {
        CompleteMultipartUploadHandler handler = new CompleteMultipartUploadHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    public InitiateMultipartUploadHandler parseInitiateMultipartUploadResponse(
            InputStream inputStream) throws IOException {
        InitiateMultipartUploadHandler handler = new InitiateMultipartUploadHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    public ListMultipartUploadsHandler parseListMultipartUploadsResponse(InputStream inputStream)
            throws IOException {
        ListMultipartUploadsHandler handler = new ListMultipartUploadsHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    public ListPartsHandler parseListPartsResponse(InputStream inputStream) throws IOException {
        ListPartsHandler handler = new ListPartsHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    public BucketWebsiteConfigurationHandler parseWebsiteConfigurationResponse(InputStream inputStream)
            throws IOException {
        BucketWebsiteConfigurationHandler handler = new BucketWebsiteConfigurationHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    /**
     * Parses a LoggingStatus response XML document for a bucket from an input
     * stream.
     *
     * @param inputStream
     *            XML data input stream.
     * @return the XML handler object populated with data parsed from the XML
     *         stream.
     *
     * @throws CosClientException
     */

    public BucketLoggingConfigurationHandler parseLoggingStatusResponse(InputStream inputStream)
            throws IOException {
        BucketLoggingConfigurationHandler handler = new BucketLoggingConfigurationHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }
    public GetBucketInventoryConfigurationHandler parseGetBucketInventoryConfigurationResponse(InputStream inputStream)
            throws IOException {
        GetBucketInventoryConfigurationHandler handler = new GetBucketInventoryConfigurationHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }

    public ListBucketInventoryConfigurationsHandler parseBucketListInventoryConfigurationsResponse(InputStream inputStream)
            throws IOException {
        ListBucketInventoryConfigurationsHandler handler = new ListBucketInventoryConfigurationsHandler();
        parseXmlInputStream(handler, inputStream);
        return handler;
    }
    /**
     * @param inputStream
     *
     * @return true if the bucket's is configured as Requester Pays, false if it is configured as
     *         Owner pays.
     *
     * @throws CosClientException
     */
    // public RequestPaymentConfigurationHandler parseRequestPaymentConfigurationResponse(
    // InputStream inputStream) throws IOException {
    // RequestPaymentConfigurationHandler handler = new RequestPaymentConfigurationHandler();
    // parseXmlInputStream(handler, inputStream);
    // return handler;
    // }

    // ////////////
    // Handlers //
    // ////////////

    /**
     * Handler for ListBucket response XML documents. //
     */
    public static class ListBucketHandler extends AbstractHandler {

        private final ObjectListing objectListing = new ObjectListing();
        private final boolean shouldSDKDecodeResponse;

        private COSObjectSummary currentObject = null;
        private Owner currentOwner = null;
        private String lastKey = null;

        public ListBucketHandler(final boolean shouldSDKDecodeResponse) {
            this.shouldSDKDecodeResponse = shouldSDKDecodeResponse;
        }

        public ObjectListing getObjectListing() {
            return objectListing;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in("ListBucketResult")) {
                if (name.equals("Contents")) {
                    currentObject = new COSObjectSummary();
                    currentObject.setBucketName(objectListing.getBucketName());
                }
            }

            else if (in("ListBucketResult", "Contents")) {
                if (name.equals("Owner")) {
                    currentOwner = new Owner();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (atTopLevel()) {
                if (name.equals("ListBucketResult")) {
                    /*
                     * COS only includes the NextMarker XML element if the
                     * request specified a delimiter, but for consistency we'd
                     * like to always give easy access to the next marker if
                     * we're returning a list of results that's truncated.
                     */
                    if (objectListing.isTruncated() && objectListing.getNextMarker() == null) {

                        String nextMarker = null;
                        if (!objectListing.getObjectSummaries().isEmpty()) {
                            nextMarker = objectListing.getObjectSummaries()
                                    .get(objectListing.getObjectSummaries().size() - 1).getKey();

                        } else if (!objectListing.getCommonPrefixes().isEmpty()) {
                            nextMarker = objectListing.getCommonPrefixes()
                                    .get(objectListing.getCommonPrefixes().size() - 1);
                        } else {
                            log.error("COS response indicates truncated results, "
                                    + "but contains no object summaries or " + "common prefixes.");
                        }

                        objectListing.setNextMarker(nextMarker);
                    }
                }
            }

            else if (in("ListBucketResult")) {
                if (name.equals("Name")) {
                    objectListing.setBucketName(getText());
                    if (log.isDebugEnabled()) {
                        log.debug("Examining listing for bucket: " + objectListing.getBucketName());
                    }

                } else if (name.equals("Prefix")) {
                    objectListing.setPrefix(decodeIfSpecified(checkForEmptyString(getText()),
                            shouldSDKDecodeResponse));

                } else if (name.equals("Marker")) {
                    objectListing.setMarker(decodeIfSpecified(checkForEmptyString(getText()),
                            shouldSDKDecodeResponse));

                } else if (name.equals("NextMarker")) {
                    objectListing
                            .setNextMarker(decodeIfSpecified(getText(), shouldSDKDecodeResponse));

                } else if (name.equals("MaxKeys")) {
                    objectListing.setMaxKeys(parseInt(getText()));

                } else if (name.equals("Delimiter")) {
                    objectListing.setDelimiter(decodeIfSpecified(checkForEmptyString(getText()),
                            shouldSDKDecodeResponse));

                } else if (name.equals("EncodingType")) {
                    objectListing.setEncodingType(
                            shouldSDKDecodeResponse ? null : checkForEmptyString(getText()));
                } else if (name.equals("IsTruncated")) {
                    String isTruncatedStr = getText();

                    if (isTruncatedStr.startsWith("false")) {
                        objectListing.setTruncated(false);
                    } else if (isTruncatedStr.startsWith("true")) {
                        objectListing.setTruncated(true);
                    } else {
                        throw new IllegalStateException(
                                "Invalid value for IsTruncated field: " + isTruncatedStr);
                    }

                } else if (name.equals("Contents")) {
                    objectListing.getObjectSummaries().add(currentObject);
                    currentObject = null;
                }
            }

            else if (in("ListBucketResult", "Contents")) {
                if (name.equals("Key")) {
                    lastKey = getText();
                    currentObject.setKey(decodeIfSpecified(lastKey, shouldSDKDecodeResponse));
                } else if (name.equals("LastModified")) {
                    currentObject.setLastModified(DateUtils.parseISO8601Date(getText()));

                } else if (name.equals("ETag")) {
                    currentObject.setETag(StringUtils.removeQuotes(getText()));

                } else if (name.equals("Size")) {
                    currentObject.setSize(parseLong(getText()));

                } else if (name.equals("StorageClass")) {
                    currentObject.setStorageClass(getText());

                } else if (name.equals("Owner")) {
                    currentObject.setOwner(currentOwner);
                    currentOwner = null;
                }
            }

            else if (in("ListBucketResult", "Contents", "Owner")) {
                if (name.equals("ID")) {
                    currentOwner.setId(getText());

                } else if (name.equals("DisplayName")) {
                    currentOwner.setDisplayName(getText());
                }
            }

            else if (in("ListBucketResult", "CommonPrefixes")) {
                if (name.equals("Prefix")) {
                    objectListing.getCommonPrefixes()
                            .add(decodeIfSpecified(getText(), shouldSDKDecodeResponse));
                }
            }
        }

    }

    /**
     * Handler for ListAllMyBuckets response XML documents. The document is parsed into
     * {@link Bucket}s available via the {@link #getBuckets()} method.
     */
    public static class ListAllMyBucketsHandler extends AbstractHandler {

        private final List buckets = new ArrayList();
        private Owner bucketsOwner = null;

        private Bucket currentBucket = null;

        /**
         * @return the buckets listed in the document.
         */
        public List getBuckets() {
            return buckets;
        }

        /**
         * @return the owner of the buckets.
         */
        public Owner getOwner() {
            return bucketsOwner;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in("ListAllMyBucketsResult")) {
                if (name.equals("Owner")) {
                    bucketsOwner = new Owner();
                }
            } else if (in("ListAllMyBucketsResult", "Buckets")) {
                if (name.equals("Bucket")) {
                    currentBucket = new Bucket();
                    currentBucket.setOwner(bucketsOwner);
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("ListAllMyBucketsResult", "Owner")) {
                if (name.equals("ID")) {
                    bucketsOwner.setId(getText());

                } else if (name.equals("DisplayName")) {
                    bucketsOwner.setDisplayName(getText());
                }
            }

            else if (in("ListAllMyBucketsResult", "Buckets")) {
                if (name.equals("Bucket")) {
                    buckets.add(currentBucket);
                    currentBucket = null;
                }
            }

            else if (in("ListAllMyBucketsResult", "Buckets", "Bucket")) {
                if (name.equals("Name")) {
                    currentBucket.setName(getText());

                } else if (name.equals("CreationDate")) {
                    Date creationDate = DateUtils.parseISO8601Date(getText());
                    currentBucket.setCreationDate(creationDate);
                } else if (name.equals("CreateDate")) {
                    Date creationDate = DateUtils.parseISO8601Date(getText());
                    currentBucket.setCreationDate(creationDate);
                } else if (name.equals("Location")) {
                    currentBucket.setLocation(getText());
                }
            }
        }
    }


    /**
     * Handler for AccessControlList response XML documents. The document is parsed into an
     * {@link AccessControlList} object available via the {@link #getAccessControlList()} method.
     */
    public static class AccessControlListHandler extends AbstractHandler {

        private final AccessControlList accessControlList = new AccessControlList();

        private Grantee currentGrantee = null;
        private Permission currentPermission = null;

        /**
         * @return an object representing the ACL document.
         */
        public AccessControlList getAccessControlList() {
            return accessControlList;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in("AccessControlPolicy")) {
                if (name.equals("Owner")) {
                    accessControlList.setOwner(new Owner());

                }
            }

            else if (in("AccessControlPolicy", "AccessControlList", "Grant")) {
                if (name.equals("Grantee")) {
                    String type = XmlResponsesSaxParser.findAttributeValue("xsi:type", attrs);

                    if ("Group".equals(type)) {
                        /*
                         * Nothing to do for GroupGrantees here since we
                         * can't construct an empty enum value early.
                         */
                    } else if ("CanonicalUser".equals(type)) {
                        currentGrantee = new UinGrantee(null);
                    }
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("AccessControlPolicy", "Owner")) {
                if (name.equals("ID")) {
                    accessControlList.getOwner().setId(getText());
                } else if (name.equals("DisplayName")) {
                    accessControlList.getOwner().setDisplayName(getText());
                }
            }

            else if (in("AccessControlPolicy", "AccessControlList")) {
                if (name.equals("Grant")) {
                    accessControlList.grantPermission(currentGrantee, currentPermission);

                    currentGrantee = null;
                    currentPermission = null;
                }
            }

            else if (in("AccessControlPolicy", "AccessControlList", "Grant")) {
                if (name.equals("Permission")) {
                    currentPermission = Permission.parsePermission(getText());
                }
            }

            else if (in("AccessControlPolicy", "AccessControlList", "Grant", "Grantee")) {
                if (name.equals("ID")) {
                    currentGrantee.setIdentifier(getText());
                } else if (name.equals("URI")) {
                    currentGrantee = GroupGrantee.parseGroupGrantee(getText());
                } else if (name.equals("DisplayName")) {
                    ((UinGrantee) currentGrantee).setDisplayName(getText());
                }
            }
        }
    }


    /**
     * Handler for LoggingStatus response XML documents for a bucket. The document is parsed into an
     * {@link BucketLoggingConfiguration} object available via the
     * {@link #getBucketLoggingConfiguration()} method.
     */
    // public static class BucketLoggingConfigurationHandler extends AbstractHandler {
    //
    // private final BucketLoggingConfiguration bucketLoggingConfiguration =
    // new BucketLoggingConfiguration();
    //
    // /**
    // * @return
    // * an object representing the bucket's LoggingStatus document.
    // */
    // public BucketLoggingConfiguration getBucketLoggingConfiguration() {
    // return bucketLoggingConfiguration;
    // }
    //
    // @Override
    // protected void doStartElement(
    // String uri,
    // String name,
    // String qName,
    // Attributes attrs) {
    //
    // }
    //
    // @Override
    // protected void doEndElement(String uri, String name, String qName) {
    // if (in("BucketLoggingStatus", "LoggingEnabled")) {
    // if (name.equals("TargetBucket")) {
    // bucketLoggingConfiguration
    // .setDestinationBucketName(getText());
    //
    // } else if (name.equals("TargetPrefix")) {
    // bucketLoggingConfiguration
    // .setLogFilePrefix(getText());
    // }
    // }
    // }
    // }

    /**
     * Handler for CreateBucketConfiguration response XML documents for a bucket. The document is
     * parsed into a String representing the bucket's location, available via the
     * {@link #getLocation()} method.
     */
    public static class BucketLocationHandler extends AbstractHandler {

        private String location = null;

        /**
         * @return the bucket's location.
         */
        public String getLocation() {
            return location;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (atTopLevel()) {
                if (name.equals("LocationConstraint")) {
                    String elementText = getText();
                    if (elementText.length() == 0) {
                        location = null;
                    } else {
                        location = elementText;
                    }
                }
            }
        }
    }


    public static class CopyObjectResultHandler extends AbstractSSEHandler
            implements ObjectExpirationResult, VIDResult {

        // Data items for successful copy
        private final CopyObjectResult result = new CopyObjectResult();

        // Data items for failed copy
        private String errorCode = null;
        private String errorMessage = null;
        private String errorRequestId = null;
        private String errorHostId = null;
        private boolean receivedErrorResponse = false;

        @Override
        public void setDateStr(String dateStr) {
            result.setDateStr(dateStr);
        }

        @Override
        public String getDateStr() {
            return result.getDateStr();
        }

        @Override
        public void setRequestId(String requestId) {
            result.setRequestId(requestId);
        }

        @Override
        public String getRequestId() {
            return result.getRequestId();
        }

        @Override
        protected ServerSideEncryptionResult sseResult() {
            return result;
        }

        public Date getLastModified() {
            return result.getLastModifiedDate();
        }

        public String getVersionId() {
            return result.getVersionId();
        }

        public void setVersionId(String versionId) {
            result.setVersionId(versionId);
        }

        @Override
        public Date getExpirationTime() {
            return result.getExpirationTime();
        }

        @Override
        public void setExpirationTime(Date expirationTime) {
            result.setExpirationTime(expirationTime);
        }

        @Override
        public String getExpirationTimeRuleId() {
            return result.getExpirationTimeRuleId();
        }

        @Override
        public void setExpirationTimeRuleId(String expirationTimeRuleId) {
            result.setExpirationTimeRuleId(expirationTimeRuleId);
        }

        public String getETag() {
            return result.getETag();
        }

        public String getErrorCode() {
            return errorCode;
        }

        public String getErrorHostId() {
            return errorHostId;
        }

        public String getErrorMessage() {
            return errorMessage;
        }

        public String getErrorRequestId() {
            return errorRequestId;
        }

        public boolean isErrorResponse() {
            return receivedErrorResponse;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (atTopLevel()) {
                if (name.equals("CopyObjectResult") || name.equals("CopyPartResult")) {
                    receivedErrorResponse = false;
                } else if (name.equals("Error")) {
                    receivedErrorResponse = true;
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("CopyObjectResult") || in("CopyPartResult")) {
                if (name.equals("LastModified")) {
//                     result.setLastModifiedDate(DateUtils.parseISO8601Date(getText()));
                } else if (name.equals("ETag")) {
                    result.setETag(StringUtils.removeQuotes(getText()));
                } else if (name.equals("VersionId")) {
                    result.setVersionId(getText());
                }
            }

            else if (in("Error")) {
                if (name.equals("Code")) {
                    errorCode = getText();
                } else if (name.equals("Message")) {
                    errorMessage = getText();
                } else if (name.equals("RequestId")) {
                    errorRequestId = getText();
                } else if (name.equals("HostId")) {
                    errorHostId = getText();
                }
            }
        }
    }


    // /**
    // * Handler for parsing RequestPaymentConfiguration XML response associated
    // * with an Qcloud COS bucket. The XML response is parsed into a
    // * RequestPaymentConfiguration object.
    // */
    // public static class RequestPaymentConfigurationHandler extends AbstractHandler {
    //
    // private String payer = null;
    //
    // public RequestPaymentConfiguration getConfiguration(){
    // return new RequestPaymentConfiguration(Payer.valueOf(payer));
    // }
    //
    // @Override
    // protected void doStartElement(
    // String uri,
    // String name,
    // String qName,
    // Attributes attrs) {
    //
    // }
    //
    // @Override
    // protected void doEndElement(String uri, String name, String qName) {
    // if (in("RequestPaymentConfiguration")) {
    // if (name.equals("Payer")) {
    // payer = getText();
    // }
    // }
    // }
    // }
    //
    /**
     * Handler for ListVersionsResult XML document.
     */
    public static class ListVersionsHandler extends AbstractHandler {

        private final VersionListing versionListing = new VersionListing();
        private final boolean shouldSDKDecodeResponse;

        private COSVersionSummary currentVersionSummary;
        private Owner currentOwner;

        public ListVersionsHandler(final boolean shouldSDKDecodeResponse) {
            this.shouldSDKDecodeResponse = shouldSDKDecodeResponse;
        }

        public VersionListing getListing() {
            return versionListing;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in("ListVersionsResult")) {
                if (name.equals("Version")) {
                    currentVersionSummary = new COSVersionSummary();
                    currentVersionSummary.setBucketName(versionListing.getBucketName());

                } else if (name.equals("DeleteMarker")) {
                    currentVersionSummary = new COSVersionSummary();
                    currentVersionSummary.setBucketName(versionListing.getBucketName());
                    currentVersionSummary.setIsDeleteMarker(true);
                }
            }

            else if (in("ListVersionsResult", "Version")
                    || in("ListVersionsResult", "DeleteMarker")) {
                if (name.equals("Owner")) {
                    currentOwner = new Owner();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {

            if (in("ListVersionsResult")) {
                if (name.equals("Name")) {
                    versionListing.setBucketName(getText());

                } else if (name.equals("Prefix")) {
                    versionListing.setPrefix(decodeIfSpecified(checkForEmptyString(getText()),
                            shouldSDKDecodeResponse));
                } else if (name.equals("KeyMarker")) {
                    versionListing.setKeyMarker(decodeIfSpecified(checkForEmptyString(getText()),
                            shouldSDKDecodeResponse));
                } else if (name.equals("VersionIdMarker")) {
                    versionListing.setVersionIdMarker(checkForEmptyString(getText()));

                } else if (name.equals("MaxKeys")) {
                    versionListing.setMaxKeys(Integer.parseInt(getText()));

                } else if (name.equals("Delimiter")) {
                    versionListing.setDelimiter(decodeIfSpecified(checkForEmptyString(getText()),
                            shouldSDKDecodeResponse));

                } else if (name.equals("EncodingType")) {
                    versionListing.setEncodingType(
                            shouldSDKDecodeResponse ? null : checkForEmptyString(getText()));
                } else if (name.equals("NextKeyMarker")) {
                    versionListing.setNextKeyMarker(decodeIfSpecified(
                            checkForEmptyString(getText()), shouldSDKDecodeResponse));

                } else if (name.equals("NextVersionIdMarker")) {
                    versionListing.setNextVersionIdMarker(getText());

                } else if (name.equals("IsTruncated")) {
                    versionListing.setTruncated("true".equals(getText()));

                } else if (name.equals("Version") || name.equals("DeleteMarker")) {

                    versionListing.getVersionSummaries().add(currentVersionSummary);

                    currentVersionSummary = null;
                }
            }

            else if (in("ListVersionsResult", "CommonPrefixes")) {
                if (name.equals("Prefix")) {
                    final String commonPrefix = checkForEmptyString(getText());
                    versionListing.getCommonPrefixes().add(shouldSDKDecodeResponse
                            ? UrlEncoderUtils.urlDecode(commonPrefix) : commonPrefix);
                }
            }

            else if (in("ListVersionsResult", "Version")
                    || in("ListVersionsResult", "DeleteMarker")) {

                if (name.equals("Key")) {
                    currentVersionSummary
                            .setKey(decodeIfSpecified(getText(), shouldSDKDecodeResponse));

                } else if (name.equals("VersionId")) {
                    currentVersionSummary.setVersionId(getText());

                } else if (name.equals("IsLatest")) {
                    currentVersionSummary.setIsLatest("true".equals(getText()));

                } else if (name.equals("LastModified")) {
                    currentVersionSummary.setLastModified(DateUtils.parseISO8601Date(getText()));

                } else if (name.equals("ETag")) {
                    currentVersionSummary.setETag(StringUtils.removeQuotes(getText()));

                } else if (name.equals("Size")) {
                    currentVersionSummary.setSize(Long.parseLong(getText()));

                } else if (name.equals("Owner")) {
                    currentVersionSummary.setOwner(currentOwner);
                    currentOwner = null;

                } else if (name.equals("StorageClass")) {
                    currentVersionSummary.setStorageClass(getText());
                }
            }

            else if (in("ListVersionsResult", "Version", "Owner")
                    || in("ListVersionsResult", "DeleteMarker", "Owner")) {

                if (name.equals("ID")) {
                    currentOwner.setId(getText());
                } else if (name.equals("DisplayName")) {
                    currentOwner.setDisplayName(getText());
                }
            }
        }
    }
    //
    // public static class BucketWebsiteConfigurationHandler extends AbstractHandler {
    //
    // private final BucketWebsiteConfiguration configuration =
    // new BucketWebsiteConfiguration(null);
    //
    // private RoutingRuleCondition currentCondition = null;
    // private RedirectRule currentRedirectRule = null;
    // private RoutingRule currentRoutingRule = null;
    //
    // public BucketWebsiteConfiguration getConfiguration() {
    // return configuration;
    // }
    //
    // @Override
    // protected void doStartElement(
    // String uri,
    // String name,
    // String qName,
    // Attributes attrs) {
    //
    // if (in("WebsiteConfiguration")) {
    // if (name.equals("RedirectAllRequestsTo")) {
    // currentRedirectRule = new RedirectRule();
    // }
    // }
    //
    // else if (in("WebsiteConfiguration", "RoutingRules")) {
    // if (name.equals("RoutingRule")) {
    // currentRoutingRule = new RoutingRule();
    // }
    // }
    //
    // else if (in("WebsiteConfiguration", "RoutingRules", "RoutingRule")) {
    // if (name.equals("Condition")) {
    // currentCondition = new RoutingRuleCondition();
    // } else if (name.equals("Redirect")) {
    // currentRedirectRule = new RedirectRule();
    // }
    // }
    // }
    //
    // @Override
    // protected void doEndElement(String uri, String name, String qName) {
    // if (in("WebsiteConfiguration")) {
    // if (name.equals("RedirectAllRequestsTo")) {
    // configuration.setRedirectAllRequestsTo(currentRedirectRule);
    // currentRedirectRule = null;
    // }
    // }
    //
    // else if (in("WebsiteConfiguration", "IndexDocument")) {
    // if (name.equals("Suffix")) {
    // configuration.setIndexDocumentSuffix(getText());
    // }
    // }
    //
    // else if (in("WebsiteConfiguration", "ErrorDocument")) {
    // if (name.equals("Key")) {
    // configuration.setErrorDocument(getText());
    // }
    // }
    //
    // else if (in("WebsiteConfiguration", "RoutingRules")) {
    // if (name.equals("RoutingRule")) {
    // configuration.getRoutingRules().add(currentRoutingRule);
    // currentRoutingRule = null;
    // }
    // }
    //
    // else if (in("WebsiteConfiguration", "RoutingRules", "RoutingRule")) {
    // if (name.equals("Condition")) {
    // currentRoutingRule.setCondition(currentCondition);
    // currentCondition = null;
    // } else if (name.equals("Redirect")) {
    // currentRoutingRule.setRedirect(currentRedirectRule);
    // currentRedirectRule = null;
    // }
    // }
    //
    // else if (in("WebsiteConfiguration", "RoutingRules", "RoutingRule", "Condition")) {
    // if (name.equals("KeyPrefixEquals")) {
    // currentCondition.setKeyPrefixEquals(getText());
    // } else if (name.equals("HttpErrorCodeReturnedEquals")) {
    // currentCondition.setHttpErrorCodeReturnedEquals(getText());
    // }
    // }
    //
    // else if (in("WebsiteConfiguration", "RedirectAllRequestsTo")
    // || in("WebsiteConfiguration", "RoutingRules", "RoutingRule", "Redirect")) {
    //
    // if (name.equals("Protocol")) {
    // currentRedirectRule.setProtocol(getText());
    //
    // } else if (name.equals("HostName")) {
    // currentRedirectRule.setHostName(getText());
    //
    // } else if (name.equals("ReplaceKeyPrefixWith")) {
    // currentRedirectRule.setReplaceKeyPrefixWith(getText());
    //
    // } else if (name.equals("ReplaceKeyWith")) {
    // currentRedirectRule.setReplaceKeyWith(getText());
    //
    // } else if (name.equals("HttpRedirectCode")) {
    // currentRedirectRule.setHttpRedirectCode(getText());
    // }
    // }
    // }
    // }
    //
    public static class BucketVersioningConfigurationHandler extends AbstractHandler {

        private final BucketVersioningConfiguration configuration =
                new BucketVersioningConfiguration();

        public BucketVersioningConfiguration getConfiguration() {
            return configuration;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("VersioningConfiguration")) {
                if (name.equals("Status")) {
                    configuration.setStatus(getText());

                }
            }
        }
    }


    /*
     *  
     * http://Example-Bucket.cn-north.myqcloud.com/Example-Object
     * Example-Bucket Example-Object
     * "3858f62230ac3c915f300c664312c11f-9" 
     *
     * Or if an error occurred while completing:
     *
     *   InternalError We
     * encountered an internal error. Please try again.
     * 656c76696e6727732072657175657374
     * Uuag1LuByRx9e6j5Onimru9pO4ZVKnJ2Qz7/C1NPcfTWAtRPfTaOFg== 
     */
    public static class CompleteMultipartUploadHandler extends AbstractSSEHandler
            implements ObjectExpirationResult, VIDResult {
        // Successful completion
        private CompleteMultipartUploadResult result;

        // Error during completion
        private CosServiceException cse;
        private String traceId;
        private String requestId;
        private String errorCode;

        /**
         * @see com.branch.cos.model.CompleteMultipartUploadResult#getExpirationTime()
         */
        @Override
        public Date getExpirationTime() {
            return result == null ? null : result.getExpirationTime();
        }

        /**
         * @see com.branch.cos.model.CompleteMultipartUploadResult#setExpirationTime(java.util.Date)
         */
        @Override
        public void setExpirationTime(Date expirationTime) {
            if (result != null) {
                result.setExpirationTime(expirationTime);
            }
        }

        /**
         * @see com.branch.cos.model.CompleteMultipartUploadResult#getExpirationTimeRuleId()
         */
        @Override
        public String getExpirationTimeRuleId() {
            return result == null ? null : result.getExpirationTimeRuleId();
        }

        /**
         * @see com.branch.cos.model.CompleteMultipartUploadResult#setExpirationTimeRuleId(java.lang.String)
         */
        @Override
        public void setExpirationTimeRuleId(String expirationTimeRuleId) {
            if (result != null) {
                result.setExpirationTimeRuleId(expirationTimeRuleId);
            }
        }

        @Override
        public String getRequestId() {
            return result == null ? null : result.getRequestId();
        }

        @Override
        public void setRequestId(String requestId) {
            if (result != null) {
                result.setRequestId(requestId);
            }
        }

        @Override
        public String getDateStr() {
            return result == null ? null : result.getDateStr();
        }

        @Override
        public void setDateStr(String dateStr) {
            if (result != null) {
                result.setDateStr(dateStr);
            }
        }

        public CompleteMultipartUploadResult getCompleteMultipartUploadResult() {
            return result;
        }

        public CosServiceException getCOSException() {
            return cse;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (atTopLevel()) {
                if (name.equals("CompleteMultipartUpload")) {
                    result = new CompleteMultipartUploadResult();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (atTopLevel()) {
                if (name.equals("Error")) {
                    if (cse != null) {
                        cse.setErrorCode(errorCode);
                        cse.setRequestId(requestId);
                        cse.setTraceId(traceId);
                    }
                }
            }

            else if (in("CompleteMultipartUploadResult")) {
                if (name.equals("Location")) {
                    result.setLocation(getText());
                } else if (name.equals("Bucket")) {
                    result.setBucketName(getText());
                } else if (name.equals("Key")) {
                    result.setKey(getText());
                } else if (name.equals("ETag")) {
                    result.setETag(StringUtils.removeQuotes(getText()));
                }
            }

            else if (in("Error")) {
                if (name.equals("Code")) {
                    errorCode = getText();
                } else if (name.equals("Message")) {
                    cse = new CosServiceException(getText());
                } else if (name.equals("RequestId")) {
                    requestId = getText();
                } else if (name.equals("HostId")) {
                    traceId = getText();
                }
            }
        }

        @Override
        protected ServerSideEncryptionResult sseResult() {
            return result;
        }
    }


    /*
     *  
     * example-bucket example-object
     * VXBsb2FkIElEIGZvciA2aWWpbmcncyBteS1tb3ZpZS5tMnRzIHVwbG9hZA
     * 
     */
    public static class InitiateMultipartUploadHandler extends AbstractHandler {

        private final InitiateMultipartUploadResult result = new InitiateMultipartUploadResult();

        public InitiateMultipartUploadResult getInitiateMultipartUploadResult() {
            return result;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("InitiateMultipartUploadResult")) {
                if (name.equals("Bucket")) {
                    result.setBucketName(getText());

                } else if (name.equals("Key")) {
                    result.setKey(getText());

                } else if (name.equals("UploadId")) {
                    result.setUploadId(getText());
                }
            }
        }
    }


    public static class ListMultipartUploadsHandler extends AbstractHandler {

        private final MultipartUploadListing result = new MultipartUploadListing();

        private MultipartUpload currentMultipartUpload;
        private Owner currentOwner;

        public MultipartUploadListing getListMultipartUploadsResult() {
            return result;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in("ListMultipartUploadsResult")) {
                if (name.equals("Upload")) {
                    currentMultipartUpload = new MultipartUpload();
                }
            } else if (in("ListMultipartUploadsResult", "Upload")) {
                if (name.equals("Owner") || name.equals("Initiator")) {
                    currentOwner = new Owner();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("ListMultipartUploadsResult")) {
                if (name.equals("Bucket")) {
                    result.setBucketName(getText());
                } else if (name.equals("KeyMarker")) {
                    result.setKeyMarker(checkForEmptyString(getText()));
                } else if (name.equals("Delimiter")) {
                    result.setDelimiter(checkForEmptyString(getText()));
                } else if (name.equals("Prefix")) {
                    result.setPrefix(checkForEmptyString(getText()));
                } else if (name.equals("UploadIdMarker")) {
                    result.setUploadIdMarker(checkForEmptyString(getText()));
                } else if (name.equals("NextKeyMarker")) {
                    result.setNextKeyMarker(checkForEmptyString(getText()));
                } else if (name.equals("NextUploadIdMarker")) {
                    result.setNextUploadIdMarker(checkForEmptyString(getText()));
                } else if (name.equals("MaxUploads")) {
                    result.setMaxUploads(Integer.parseInt(getText()));
                } else if (name.equals("EncodingType")) {
                    result.setEncodingType(checkForEmptyString(getText()));
                } else if (name.equals("IsTruncated")) {
                    result.setTruncated(Boolean.parseBoolean(getText()));
                } else if (name.equals("Upload")) {
                    result.getMultipartUploads().add(currentMultipartUpload);
                    currentMultipartUpload = null;
                }
            }

            else if (in("ListMultipartUploadsResult", "CommonPrefixes")) {
                if (name.equals("Prefix")) {
                    result.getCommonPrefixes().add(getText());
                }
            }

            else if (in("ListMultipartUploadsResult", "Upload")) {
                if (name.equals("Key")) {
                    currentMultipartUpload.setKey(getText());
                } else if (name.equals("UploadId")) {
                    currentMultipartUpload.setUploadId(getText());
                } else if (name.equals("Owner")) {
                    currentMultipartUpload.setOwner(currentOwner);
                    currentOwner = null;
                } else if (name.equals("Initiator")) {
                    currentMultipartUpload.setInitiator(currentOwner);
                    currentOwner = null;
                } else if (name.equals("Initiated")) {
                    currentMultipartUpload.setInitiated(DateUtils.parseISO8601Date(getText()));
                }
            }

            else if (in("ListMultipartUploadsResult", "Upload", "Owner")
                    || in("ListMultipartUploadsResult", "Upload", "Initiator")) {

                if (name.equals("ID")) {
                    currentOwner.setId(checkForEmptyString(getText()));
                } else if (name.equals("DisplayName")) {
                    currentOwner.setDisplayName(checkForEmptyString(getText()));
                }
            }
        }
    }


    public static class ListPartsHandler extends AbstractHandler {

        private final PartListing result = new PartListing();

        private PartSummary currentPart;
        private Owner currentOwner;

        public PartListing getListPartsResult() {
            return result;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in("ListPartsResult")) {
                if (name.equals("Part")) {
                    currentPart = new PartSummary();
                } else if (name.equals("Owner") || name.equals("Initiator")) {
                    currentOwner = new Owner();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("ListPartsResult")) {
                if (name.equals("Bucket")) {
                    result.setBucketName(getText());
                } else if (name.equals("Key")) {
                    result.setKey(getText());
                } else if (name.equals("UploadId")) {
                    result.setUploadId(getText());
                } else if (name.equals("Owner")) {
                    result.setOwner(currentOwner);
                    currentOwner = null;
                } else if (name.equals("Initiator")) {
                    result.setInitiator(currentOwner);
                    currentOwner = null;
                } else if (name.equals("StorageClass")) {
                    result.setStorageClass(getText());
                } else if (name.equals("PartNumberMarker")) {
                    result.setPartNumberMarker(parseInteger(getText()));
                } else if (name.equals("NextPartNumberMarker")) {
                    result.setNextPartNumberMarker(parseInteger(getText()));
                } else if (name.equals("MaxParts")) {
                    result.setMaxParts(parseInteger(getText()));
                } else if (name.equals("EncodingType")) {
                    result.setEncodingType(checkForEmptyString(getText()));
                } else if (name.equals("IsTruncated")) {
                    result.setTruncated(Boolean.parseBoolean(getText()));
                } else if (name.equals("Part")) {
                    result.getParts().add(currentPart);
                    currentPart = null;
                }
            }

            else if (in("ListPartsResult", "Part")) {
                if (name.equals("PartNumber")) {
                    currentPart.setPartNumber(Integer.parseInt(getText()));
                } else if (name.equals("LastModified")) {
                    currentPart.setLastModified(DateUtils.parseISO8601Date(getText()));
                } else if (name.equals("ETag")) {
                    currentPart.setETag(StringUtils.removeQuotes(getText()));
                } else if (name.equals("Size")) {
                    currentPart.setSize(Long.parseLong(getText()));
                }
            }

            else if (in("ListPartsResult", "Owner") || in("ListPartsResult", "Initiator")) {

                if (name.equals("ID")) {
                    currentOwner.setId(checkForEmptyString(getText()));
                } else if (name.equals("DisplayName")) {
                    currentOwner.setDisplayName(checkForEmptyString(getText()));
                }
            }
        }

        private Integer parseInteger(String text) {
            text = checkForEmptyString(getText());
            if (text == null)
                return null;
            return Integer.parseInt(text);
        }
    }

    public static class BucketWebsiteConfigurationHandler extends AbstractHandler {

        private final BucketWebsiteConfiguration configuration =
                new BucketWebsiteConfiguration(null);

        private RoutingRuleCondition currentCondition = null;
        private RedirectRule currentRedirectRule = null;
        private RoutingRule currentRoutingRule = null;

        public BucketWebsiteConfiguration getConfiguration() {
            return configuration;
        }

        @Override
        protected  void doStartElement(
                String uri,
                String name,
                String qName,
                Attributes attrs) {

            if (in("WebsiteConfiguration")) {
                if (name.equals("RedirectAllRequestsTo")) {
                    currentRedirectRule = new RedirectRule();
                }
            }

            else if (in("WebsiteConfiguration", "RoutingRules")) {
                if (name.equals("RoutingRule")) {
                    currentRoutingRule = new RoutingRule();
                }
            }

            else if (in("WebsiteConfiguration", "RoutingRules", "RoutingRule")) {
                if (name.equals("Condition")) {
                    currentCondition = new RoutingRuleCondition();
                } else if (name.equals("Redirect")) {
                    currentRedirectRule = new RedirectRule();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("WebsiteConfiguration")) {
                if (name.equals("RedirectAllRequestsTo")) {
                    configuration.setRedirectAllRequestsTo(currentRedirectRule);
                    currentRedirectRule = null;
                }
            }

            else if (in("WebsiteConfiguration", "IndexDocument")) {
                if (name.equals("Suffix")) {
                    configuration.setIndexDocumentSuffix(getText());
                }
            }

            else if (in("WebsiteConfiguration", "ErrorDocument")) {
                if (name.equals("Key")) {
                    configuration.setErrorDocument(getText());
                }
            }

            else if (in("WebsiteConfiguration", "RoutingRules")) {
                if (name.equals("RoutingRule")) {
                    configuration.getRoutingRules().add(currentRoutingRule);
                    currentRoutingRule = null;
                }
            }

            else if (in("WebsiteConfiguration", "RoutingRules", "RoutingRule")) {
                if (name.equals("Condition")) {
                    currentRoutingRule.setCondition(currentCondition);
                    currentCondition = null;
                } else if (name.equals("Redirect")) {
                    currentRoutingRule.setRedirect(currentRedirectRule);
                    currentRedirectRule = null;
                }
            }

            else if (in("WebsiteConfiguration", "RoutingRules", "RoutingRule", "Condition")) {
                if (name.equals("KeyPrefixEquals")) {
                    currentCondition.setKeyPrefixEquals(getText());
                } else if (name.equals("HttpErrorCodeReturnedEquals")) {
                    currentCondition.setHttpErrorCodeReturnedEquals(getText());
                }
            }

            else if (in("WebsiteConfiguration", "RedirectAllRequestsTo")
                    || in("WebsiteConfiguration", "RoutingRules", "RoutingRule", "Redirect")) {

                if (name.equals("Protocol")) {
                    currentRedirectRule.setProtocol(getText());

                } else if (name.equals("HostName")) {
                    currentRedirectRule.setHostName(getText());

                } else if (name.equals("ReplaceKeyPrefixWith")) {
                    currentRedirectRule.setReplaceKeyPrefixWith(getText());

                } else if (name.equals("ReplaceKeyWith")) {
                    currentRedirectRule.setReplaceKeyWith(getText());

                } else if (name.equals("HttpRedirectCode")) {
                    currentRedirectRule.setHttpRedirectCode(getText());
                }
            }
        }
    }

    public static class BucketReplicationConfigurationHandler extends AbstractHandler {

        private final BucketReplicationConfiguration bucketReplicationConfiguration =
                new BucketReplicationConfiguration();
        private String currentRuleId;
        private ReplicationRule currentRule;
        private ReplicationDestinationConfig destinationConfig;
        private static final String REPLICATION_CONFIG = "ReplicationConfiguration";
        private static final String ROLE = "Role";
        private static final String RULE = "Rule";
        private static final String DESTINATION = "Destination";
        private static final String ID = "ID";
        private static final String PREFIX = "Prefix";
        private static final String STATUS = "Status";
        private static final String BUCKET = "Bucket";
        private static final String STORAGECLASS = "StorageClass";

        public BucketReplicationConfiguration getConfiguration() {
            return bucketReplicationConfiguration;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in(REPLICATION_CONFIG)) {
                if (name.equals(RULE)) {
                    currentRule = new ReplicationRule();
                }
            } else if (in(REPLICATION_CONFIG, RULE)) {
                if (name.equals(DESTINATION)) {
                    destinationConfig = new ReplicationDestinationConfig();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in(REPLICATION_CONFIG)) {
                if (name.equals(RULE)) {
                    bucketReplicationConfiguration.addRule(currentRuleId, currentRule);
                    currentRule = null;
                    currentRuleId = null;
                    destinationConfig = null;
                } else if (name.equals(ROLE)) {
                    bucketReplicationConfiguration.setRoleName(getText());
                }
            } else if (in(REPLICATION_CONFIG, RULE)) {
                if (name.equals(ID)) {
                    currentRuleId = getText();
                } else if (name.equals(PREFIX)) {
                    currentRule.setPrefix(getText());
                } else {
                    if (name.equals(STATUS)) {
                        currentRule.setStatus(getText());

                    } else if (name.equals(DESTINATION)) {
                        currentRule.setDestinationConfig(destinationConfig);
                    }
                }
            } else if (in(REPLICATION_CONFIG, RULE, DESTINATION)) {
                if (name.equals(BUCKET)) {
                    destinationConfig.setBucketQCS(getText());
                } else if (name.equals(STORAGECLASS)) {
                    destinationConfig.setStorageClass(getText());
                }
            }
        }
    }
    //
    // public static class BucketTaggingConfigurationHandler extends AbstractHandler {
    //
    // private final BucketTaggingConfiguration configuration =
    // new BucketTaggingConfiguration();
    //
    // private Map currentTagSet;
    // private String currentTagKey;
    // private String currentTagValue;
    //
    // public BucketTaggingConfiguration getConfiguration() {
    // return configuration;
    // }
    //
    // @Override
    // protected void doStartElement(
    // String uri,
    // String name,
    // String qName,
    // Attributes attrs) {
    //
    // if (in("Tagging")) {
    // if (name.equals("TagSet")) {
    // currentTagSet = new HashMap();
    // }
    // }
    // }
    //
    // @Override
    // protected void doEndElement(String uri, String name, String qName) {
    // if (in("Tagging")) {
    // if (name.equals("TagSet")) {
    // configuration.getAllTagSets()
    // .add(new TagSet(currentTagSet));
    // currentTagSet = null;
    // }
    // }
    //
    // else if (in("Tagging", "TagSet")) {
    // if (name.equals("Tag")) {
    // if (currentTagKey != null && currentTagValue != null) {
    // currentTagSet.put(currentTagKey, currentTagValue);
    // }
    // currentTagKey = null;
    // currentTagValue = null;
    // }
    // }
    //
    // else if (in("Tagging", "TagSet", "Tag")) {
    // if (name.equals("Key")) {
    // currentTagKey = getText();
    // } else if (name.equals("Value")) {
    // currentTagValue = getText();
    // }
    // }
    // }
    // }


    public static class DeleteObjectsHandler extends AbstractHandler {

        private final DeleteObjectsResponse response = new DeleteObjectsResponse();

        private DeletedObject currentDeletedObject = null;
        private DeleteError currentError = null;

        public DeleteObjectsResponse getDeleteObjectResult() {
            return response;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in("DeleteResult")) {
                if (name.equals("Deleted")) {
                    currentDeletedObject = new DeletedObject();
                } else if (name.equals("Error")) {
                    currentError = new DeleteError();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("DeleteResult")) {
                if (name.equals("Deleted")) {
                    response.getDeletedObjects().add(currentDeletedObject);
                    currentDeletedObject = null;
                } else if (name.equals("Error")) {
                    response.getErrors().add(currentError);
                    currentError = null;
                }
            }

            else if (in("DeleteResult", "Deleted")) {
                if (name.equals("Key")) {
                    currentDeletedObject.setKey(getText());

                } else if (name.equals("VersionId")) {
                    currentDeletedObject.setVersionId(getText());

                } else if (name.equals("DeleteMarker")) {
                    currentDeletedObject.setDeleteMarker(getText().equals("true"));

                } else if (name.equals("DeleteMarkerVersionId")) {
                    currentDeletedObject.setDeleteMarkerVersionId(getText());
                }
            }

            else if (in("DeleteResult", "Error")) {
                if (name.equals("Key")) {
                    currentError.setKey(getText());

                } else if (name.equals("VersionId")) {
                    currentError.setVersionId(getText());

                } else if (name.equals("Code")) {
                    currentError.setCode(getText());

                } else if (name.equals("Message")) {
                    currentError.setMessage(getText());
                }
            }
        }
    }

    /**
     *   logs-rule logs/
     * Enabled  30
     * STANDARD_IA   90
     * ARCHIVE 
     *  365 
     *  7
     * STANDARD_IA 
     *  14
     * ARCHIVE 
     *  365
     *    image-rule image/
     * Enabled  2012-12-31T00:00:00.000Z
     * ARCHIVE 
     *  2020-12-31T00:00:00.000Z  
     * 
     */
    public static class BucketLifecycleConfigurationHandler extends AbstractHandler {

        private final BucketLifecycleConfiguration configuration =
                new BucketLifecycleConfiguration(new ArrayList());

        private Rule currentRule;
        private Transition currentTransition;
        private NoncurrentVersionTransition currentNcvTransition;
        private AbortIncompleteMultipartUpload abortIncompleteMultipartUpload;
        private LifecycleFilter currentFilter;
        private List andOperandsList;
        private String currentTagKey;
        private String currentTagValue;

        public BucketLifecycleConfiguration getConfiguration() {
            return configuration;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in("LifecycleConfiguration")) {
                if (name.equals("Rule")) {
                    currentRule = new Rule();
                }
            } else if (in("LifecycleConfiguration", "Rule")) {
                if (name.equals("Transition")) {
                    currentTransition = new Transition();
                } else if (name.equals("NoncurrentVersionTransition")) {
                    currentNcvTransition = new NoncurrentVersionTransition();
                } else if (name.equals("AbortIncompleteMultipartUpload")) {
                    abortIncompleteMultipartUpload = new AbortIncompleteMultipartUpload();
                } else if (name.equals("Filter")) {
                    currentFilter = new LifecycleFilter();
                }
            } else if (in("LifecycleConfiguration", "Rule", "Filter")) {
                if (name.equals("And")) {
                    andOperandsList = new ArrayList();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("LifecycleConfiguration")) {
                if (name.equals("Rule")) {
                    configuration.getRules().add(currentRule);
                    currentRule = null;
                }
            }

            else if (in("LifecycleConfiguration", "Rule")) {
                if (name.equals("ID")) {
                    currentRule.setId(getText());

                } else if (name.equals("Status")) {
                    currentRule.setStatus(getText());

                } else if (name.equals("Transition")) {
                    currentRule.addTransition(currentTransition);
                    currentTransition = null;

                } else if (name.equals("NoncurrentVersionTransition")) {
                    currentRule.addNoncurrentVersionTransition(currentNcvTransition);
                    currentNcvTransition = null;
                } else if (name.equals("AbortIncompleteMultipartUpload")) {
                    currentRule.setAbortIncompleteMultipartUpload(abortIncompleteMultipartUpload);
                    abortIncompleteMultipartUpload = null;
                } else if (name.equals("Filter")) {
                    currentRule.setFilter(currentFilter);
                    currentFilter = null;
                }
            }

            else if (in("LifecycleConfiguration", "Rule", "Expiration")) {
                if (name.equals("Date")) {
                    currentRule.setExpirationDate(DateUtils.parseISO8601Date(getText()));
                } else if (name.equals("Days")) {
                    currentRule.setExpirationInDays(Integer.parseInt(getText()));
                } else if (name.equals("ExpiredObjectDeleteMarker")) {
                    if ("true".equals(getText())) {
                        currentRule.setExpiredObjectDeleteMarker(true);
                    }
                }
            }

            else if (in("LifecycleConfiguration", "Rule", "Transition")) {
                if (name.equals("StorageClass")) {
                    currentTransition.setStorageClass(getText());
                } else if (name.equals("Date")) {
                    currentTransition.setDate(DateUtils.parseISO8601Date(getText()));

                } else if (name.equals("Days")) {
                    currentTransition.setDays(Integer.parseInt(getText()));
                }
            }

            else if (in("LifecycleConfiguration", "Rule", "NoncurrentVersionExpiration")) {
                if (name.equals("NoncurrentDays")) {
                    currentRule.setNoncurrentVersionExpirationInDays(Integer.parseInt(getText()));
                }
            }

            else if (in("LifecycleConfiguration", "Rule", "NoncurrentVersionTransition")) {
                if (name.equals("StorageClass")) {
                    currentNcvTransition.setStorageClass(getText());
                } else if (name.equals("NoncurrentDays")) {
                    currentNcvTransition.setDays(Integer.parseInt(getText()));
                }
            }

            else if (in("LifecycleConfiguration", "Rule", "AbortIncompleteMultipartUpload")) {
                if (name.equals("DaysAfterInitiation")) {
                    abortIncompleteMultipartUpload
                            .setDaysAfterInitiation(Integer.parseInt(getText()));
                }
            }

            else if (in("LifecycleConfiguration", "Rule", "Filter")) {
                if (name.equals("Prefix")) {
                    currentFilter.setPredicate(new LifecyclePrefixPredicate(getText()));
                } else if (name.equals("Tag")) {
                    currentFilter.setPredicate(
                            new LifecycleTagPredicate(new Tag(currentTagKey, currentTagValue)));
                    currentTagKey = null;
                    currentTagValue = null;
                } else if (name.equals("And")) {
                    currentFilter.setPredicate(new LifecycleAndOperator(andOperandsList));
                    andOperandsList = null;
                }
            }

            else if (in("LifecycleConfiguration", "Rule", "Filter", "Tag")) {
                if (name.equals("Key")) {
                    currentTagKey = getText();
                } else if (name.equals("Value")) {
                    currentTagValue = getText();
                }
            }

            else if (in("LifecycleConfiguration", "Rule", "Filter", "And")) {
                if (name.equals("Prefix")) {
                    andOperandsList.add(new LifecyclePrefixPredicate(getText()));
                } else if (name.equals("Tag")) {
                    andOperandsList.add(
                            new LifecycleTagPredicate(new Tag(currentTagKey, currentTagValue)));
                    currentTagKey = null;
                    currentTagValue = null;
                }
            }

            else if (in("LifecycleConfiguration", "Rule", "Filter", "And", "Tag")) {
                if (name.equals("Key")) {
                    currentTagKey = getText();
                } else if (name.equals("Value")) {
                    currentTagValue = getText();
                }
            }

        }
    }

    public static class BucketCrossOriginConfigurationHandler extends AbstractHandler {

        private final BucketCrossOriginConfiguration configuration =
                new BucketCrossOriginConfiguration(new ArrayList());

        private CORSRule currentRule;
        private List allowedMethods = null;
        private List allowedOrigins = null;
        private List exposedHeaders = null;
        private List allowedHeaders = null;

        public BucketCrossOriginConfiguration getConfiguration() {
            return configuration;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in("CORSConfiguration")) {
                if (name.equals("CORSRule")) {
                    currentRule = new CORSRule();
                }
            } else if (in("CORSConfiguration", "CORSRule")) {
                if (name.equals("AllowedOrigin")) {
                    if (allowedOrigins == null) {
                        allowedOrigins = new ArrayList();
                    }
                } else if (name.equals("AllowedMethod")) {
                    if (allowedMethods == null) {
                        allowedMethods = new ArrayList();
                    }
                } else if (name.equals("ExposeHeader")) {
                    if (exposedHeaders == null) {
                        exposedHeaders = new ArrayList();
                    }
                } else if (name.equals("AllowedHeader")) {
                    if (allowedHeaders == null) {
                        allowedHeaders = new LinkedList();
                    }
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("CORSConfiguration")) {
                if (name.equals("CORSRule")) {
                    currentRule.setAllowedHeaders(allowedHeaders);
                    currentRule.setAllowedMethods(allowedMethods);
                    currentRule.setAllowedOrigins(allowedOrigins);
                    currentRule.setExposedHeaders(exposedHeaders);
                    allowedHeaders = null;
                    allowedMethods = null;
                    allowedOrigins = null;
                    exposedHeaders = null;

                    configuration.getRules().add(currentRule);
                    currentRule = null;
                }
            } else if (in("CORSConfiguration", "CORSRule")) {
                if (name.equals("ID")) {
                    currentRule.setId(getText());

                } else if (name.equals("AllowedOrigin")) {
                    allowedOrigins.add(getText());

                } else if (name.equals("AllowedMethod")) {
                    allowedMethods.add(AllowedMethods.fromValue(getText()));

                } else if (name.equals("MaxAgeSeconds")) {
                    currentRule.setMaxAgeSeconds(Integer.parseInt(getText()));

                } else if (name.equals("ExposeHeader")) {
                    exposedHeaders.add(getText());

                } else if (name.equals("AllowedHeader")) {
                    allowedHeaders.add(getText());
                }
            }
        }

    }

    public static class BucketDomainConfigurationHandler extends AbstractHandler {

        private final BucketDomainConfiguration configuration =
                new BucketDomainConfiguration();

        private DomainRule currentRule;
        private String status;
        private String mname;
        private String type;
        private String forcedReplacement;

        public BucketDomainConfiguration getConfiguration() {
            return configuration;
        }

        @Override
        protected void doStartElement(String uri, String name, String qName, Attributes attrs) {

            if (in("DomainConfiguration")) {
                if (name.equals("DomainRule")) {
                    currentRule = new DomainRule();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("DomainConfiguration")) {
                if (name.equals("DomainRule")) {
                    currentRule.setStatus(status);
                    currentRule.setName(mname);
                    currentRule.setType(type);
                    currentRule.setForcedReplacement(forcedReplacement);

                    configuration.getDomainRules().add(currentRule);
                    currentRule = null;
                    status = null;
                    mname = null;
                    type = null;
                    forcedReplacement = null;
                }
            } else if (in("DomainConfiguration", "DomainRule")) {
                if (name.equals("Status")) {
                    status = getText();
                } else if(name.equals("Name")) {
                    mname = getText();
                } else if(name.equals("Type")) {
                    type = getText();
                } else if(name.equals("ForcedReplacement")) {
                    forcedReplacement = getText();
                }
            }
        }

    }

    private static String findAttributeValue(String qnameToFind, Attributes attrs) {

        for (int i = 0; i < attrs.getLength(); i++) {
            String qname = attrs.getQName(i);
            if (qname.trim().equalsIgnoreCase(qnameToFind.trim())) {
                return attrs.getValue(i);
            }
        }

        return null;
    }

    /**
     * Handler for LoggingStatus response XML documents for a bucket. The
     * document is parsed into an {@link BucketLoggingConfiguration} object available
     * via the {@link #getBucketLoggingConfiguration()} method.
     */
    public static class BucketLoggingConfigurationHandler extends AbstractHandler {

        private final BucketLoggingConfiguration bucketLoggingConfiguration =
                new BucketLoggingConfiguration();

        /**
         * @return
         * an object representing the bucket's LoggingStatus document.
         */
        public BucketLoggingConfiguration getBucketLoggingConfiguration() {
            return bucketLoggingConfiguration;
        }

        @Override
        protected void doStartElement(
                String uri,
                String name,
                String qName,
                Attributes attrs) {

        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("BucketLoggingStatus", "LoggingEnabled")) {
                if (name.equals("TargetBucket")) {
                    bucketLoggingConfiguration
                            .setDestinationBucketName(getText());

                } else if (name.equals("TargetPrefix")) {
                    bucketLoggingConfiguration
                            .setLogFilePrefix(getText());
                }
            }
        }
    }

    public static class GetBucketInventoryConfigurationHandler extends AbstractHandler {

        public static final String SSE_COS = "SSE-COS";
        private final GetBucketInventoryConfigurationResult result = new GetBucketInventoryConfigurationResult();
        private final InventoryConfiguration configuration = new InventoryConfiguration();

        private List optionalFields;
        private InventoryDestination inventoryDestination;
        private InventoryFilter filter;
        private InventoryCosBucketDestination cosBucketDestination;
        private InventorySchedule inventorySchedule;

        public GetBucketInventoryConfigurationResult getResult() {
            return result.withInventoryConfiguration(configuration);
        }

        @Override
        protected void doStartElement(
                String uri,
                String name,
                String qName,
                Attributes attrs) {

            if (in("InventoryConfiguration")) {
                if (name.equals("Destination")) {
                    inventoryDestination = new InventoryDestination();
                } else if(name.equals("Filter")) {
                    filter = new InventoryFilter();
                } else if(name.equals("Schedule")) {
                    inventorySchedule = new InventorySchedule();
                } else if(name.equals("OptionalFields")) {
                    optionalFields = new ArrayList();
                }

            } else if (in("InventoryConfiguration", "Destination")) {
                if (name.equals("COSBucketDestination")) {
                    cosBucketDestination = new InventoryCosBucketDestination();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {

            if (in("InventoryConfiguration")) {
                if (name.equals("Id")) {
                    configuration.setId(getText());

                } else if (name.equals("Destination")) {
                    configuration.setDestination(inventoryDestination);
                    inventoryDestination = null;

                } else if (name.equals("IsEnabled")) {
                    configuration.setEnabled("true".equals(getText()));

                } else if (name.equals("Filter")) {
                    configuration.setInventoryFilter(filter);
                    filter = null;

                } else if (name.equals("IncludedObjectVersions")) {
                    configuration.setIncludedObjectVersions(getText());

                } else if (name.equals("Schedule")) {
                    configuration.setSchedule(inventorySchedule);
                    inventorySchedule = null;

                } else if (name.equals("OptionalFields")) {
                    configuration.setOptionalFields(optionalFields);
                    optionalFields = null;
                }

            } else if (in("InventoryConfiguration", "Destination")) {
                if ( name.equals("COSBucketDestination") ) {
                    inventoryDestination.setCosBucketDestination(cosBucketDestination);
                    cosBucketDestination = null;
                }

            } else if (in("InventoryConfiguration", "Destination", "COSBucketDestination")) {
                if (name.equals("AccountId")) {
                    cosBucketDestination.setAccountId(getText());
                } else if (name.equals("Bucket")) {
                    cosBucketDestination.setBucketArn(getText());
                } else if (name.equals("Format")) {
                    cosBucketDestination.setFormat(getText());
                } else if (name.equals("Prefix")) {
                    cosBucketDestination.setPrefix(getText());
                }
            } else if (in("InventoryConfiguration", "Destination", "COSBucketDestination", "Encryption")) {
                if (name.equals(SSE_COS)) {
                    cosBucketDestination.setEncryption(new ServerSideEncryptionCOS());
                }
            } else if (in("InventoryConfiguration", "Filter")) {
                if (name.equals("Prefix")) {
                    filter.setPredicate(new InventoryPrefixPredicate(getText()));
                }

            } else if (in("InventoryConfiguration", "Schedule")) {
                if (name.equals("Frequency")) {
                    inventorySchedule.setFrequency(getText());
                }

            } else if (in("InventoryConfiguration", "OptionalFields")) {
                if (name.equals("Field")) {
                    optionalFields.add(getText());
                }
            }
        }

    }
    public static class BucketTaggingConfigurationHandler extends AbstractHandler {

        private final BucketTaggingConfiguration configuration =
                new BucketTaggingConfiguration();

        private Map currentTagSet;
        private String currentTagKey;
        private String currentTagValue;

        public BucketTaggingConfiguration getConfiguration() {
            return configuration;
        }

        @Override
        protected void doStartElement(
                String uri,
                String name,
                String qName,
                Attributes attrs) {

            if (in("Tagging")) {
                if (name.equals("TagSet")) {
                    currentTagSet = new LinkedHashMap();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {
            if (in("Tagging")) {
                if (name.equals("TagSet")) {
                    configuration.getAllTagSets()
                            .add(new TagSet(currentTagSet));
                    currentTagSet = null;
                }
            }

            else if (in("Tagging", "TagSet")) {
                if (name.equals("Tag")) {
                    if (currentTagKey != null && currentTagValue != null) {
                        currentTagSet.put(currentTagKey, currentTagValue);
                    }
                    currentTagKey = null;
                    currentTagValue = null;
                }
            }

            else if (in("Tagging", "TagSet", "Tag")) {
                if (name.equals("Key")) {
                    currentTagKey = getText();
                } else if (name.equals("Value")) {
                    currentTagValue = getText();
                }
            }
        }
    }
    /*
        HTTP/1.1 200 OK
        x-amz-id-2: ITnGT1y4RyTmXa3rPi4hklTXouTf0hccUjo0iCPjz6FnfIutBj3M7fPGlWO2SEWp
        x-amz-request-id: 51991C342C575321
        Date: Wed, 14 May 2014 02:11:22 GMT
        Content-Length: ...

        
          
            ...
          
          
            ...
          
          true
          token1
          token2
        
 */
    public static class ListBucketInventoryConfigurationsHandler extends AbstractHandler {

        public static final String SSE_COS = "SSE-COS";
        private final ListBucketInventoryConfigurationsResult result = new ListBucketInventoryConfigurationsResult();

        private InventoryConfiguration currentConfiguration;
        private List currentOptionalFieldsList;
        private InventoryDestination currentDestination;
        private InventoryFilter currentFilter;
        private InventoryCosBucketDestination currentCosBucketDestination;
        private InventorySchedule currentSchedule;

        public ListBucketInventoryConfigurationsResult getResult() {
            return result;
        }

        @Override
        protected void doStartElement(
                String uri,
                String name,
                String qName,
                Attributes attrs) {

            if (in("ListInventoryConfigurationResult")) {
                if (name.equals("InventoryConfiguration")) {
                    currentConfiguration = new InventoryConfiguration();
                }

            } else if (in("ListInventoryConfigurationResult", "InventoryConfiguration")) {
                if (name.equals("Destination")) {
                    currentDestination = new InventoryDestination();
                } else if(name.equals("Filter")) {
                    currentFilter = new InventoryFilter();
                } else if(name.equals("Schedule")) {
                    currentSchedule = new InventorySchedule();
                } else if(name.equals("OptionalFields")) {
                    currentOptionalFieldsList = new ArrayList();
                }

            } else if (in("ListInventoryConfigurationResult", "InventoryConfiguration", "Destination")) {
                if (name.equals("COSBucketDestination")) {
                    currentCosBucketDestination = new InventoryCosBucketDestination();
                }
            }
        }

        @Override
        protected void doEndElement(String uri, String name, String qName) {

            if (in("ListInventoryConfigurationResult")) {
                if (name.equals("InventoryConfiguration")) {
                    if (result.getInventoryConfigurationList() == null) {
                        result.setInventoryConfigurationList(new ArrayList());
                    }
                    result.getInventoryConfigurationList().add(currentConfiguration);
                    currentConfiguration = null;
                } else if (name.equals("IsTruncated")) {
                    result.setTruncated("true".equals(getText()));
                } else if (name.equals("ContinuationToken")) {
                    result.setContinuationToken(getText());
                } else if (name.equals("NextContinuationToken")) {
                    result.setNextContinuationToken(getText());
                }
            }

            else if (in("ListInventoryConfigurationResult", "InventoryConfiguration")) {
                if (name.equals("Id")) {
                    currentConfiguration.setId(getText());

                } else if (name.equals("Destination")) {
                    currentConfiguration.setDestination(currentDestination);
                    currentDestination = null;

                } else if (name.equals("IsEnabled")) {
                    currentConfiguration.setEnabled("true".equals(getText()));

                } else if (name.equals("Filter")) {
                    currentConfiguration.setInventoryFilter(currentFilter);
                    currentFilter = null;

                } else if (name.equals("IncludedObjectVersions")) {
                    currentConfiguration.setIncludedObjectVersions(getText());

                } else if (name.equals("Schedule")) {
                    currentConfiguration.setSchedule(currentSchedule);
                    currentSchedule = null;

                } else if (name.equals("OptionalFields")) {
                    currentConfiguration.setOptionalFields(currentOptionalFieldsList);
                    currentOptionalFieldsList = null;
                }

            } else if (in("ListInventoryConfigurationResult", "InventoryConfiguration", "Destination")) {
                if ( name.equals("COSBucketDestination") ) {
                    currentDestination.setCosBucketDestination(currentCosBucketDestination);
                    currentCosBucketDestination = null;
                }

            } else if (in("ListInventoryConfigurationResult", "InventoryConfiguration", "Destination", "COSBucketDestination")) {
                if (name.equals("AccountId")) {
                    currentCosBucketDestination.setAccountId(getText());
                } else if (name.equals("Bucket")) {
                    currentCosBucketDestination.setBucketArn(getText());
                } else if (name.equals("Format")) {
                    currentCosBucketDestination.setFormat(getText());
                } else if (name.equals("Prefix")) {
                    currentCosBucketDestination.setPrefix(getText());
                }
            } else if (in("ListInventoryConfigurationResult", "InventoryConfiguration", "Destination", "COSBucketDestination", "Encryption")) {
                if (name.equals(SSE_COS)) {
                    currentCosBucketDestination.setEncryption(new ServerSideEncryptionCOS());
                }
            } else if (in("ListInventoryConfigurationResult", "InventoryConfiguration", "Filter")) {
                if (name.equals("Prefix")) {
                    currentFilter.setPredicate(new InventoryPrefixPredicate(getText()));
                }

            } else if (in("ListInventoryConfigurationResult", "InventoryConfiguration", "Schedule")) {
                if (name.equals("Frequency")) {
                    currentSchedule.setFrequency(getText());
                }

            } else if (in("ListInventoryConfigurationResult", "InventoryConfiguration", "OptionalFields")) {
                if (name.equals("Field")) {
                    currentOptionalFieldsList.add(getText());
                }
            }
        }

    }


}





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