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package com.cloudhopper.sxmp;
/*
* #%L
* ch-sxmp
* %%
* Copyright (C) 2012 - 2013 Cloudhopper by Twitter
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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.
* #L%
*/
import com.cloudhopper.commons.util.HexUtil;
import com.cloudhopper.sxmp.util.MobileAddressUtil;
import com.cloudhopper.commons.util.StringUtil;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashSet;
import java.util.Iterator;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;
import org.json.JSONObject;
import org.json.JSONException;
import org.xml.sax.*;
import org.xml.sax.ext.Locator2;
import org.xml.sax.helpers.DefaultHandler;
/**
*
* @author joelauer
*/
public class SxmpParser {
private static final Logger logger = LoggerFactory.getLogger(SxmpParser.class);
static protected DateTimeFormatter dateTimeFormat = ISODateTimeFormat.dateTime().withZone(DateTimeZone.UTC);
public static final String VERSION_1_0 = "1.0";
public static final String VERSION_1_1 = "1.1";
public static final String VERSION_1_2 = "1.2";
protected final String version;
// for backwards compatibility
public SxmpParser() {
this.version = VERSION_1_0;
}
public SxmpParser(final String version) {
this.version = version;
}
/**
public Node parse(InputSource source) throws IOException, SAXException {
// _dtd=null;
Handler handler = new Handler();
XMLReader reader = _parser.getXMLReader();
reader.setContentHandler(handler);
reader.setErrorHandler(handler);
reader.setEntityResolver(handler);
if (logger.isDebugEnabled())
logger.debug("parsing: sid=" + source.getSystemId() + ",pid=" + source.getPublicId());
_parser.parse(source, handler);
if (handler.error != null)
throw handler.error;
Node root = (Node)handler.root;
handler.reset();
return root;
}
public synchronized Node parse(String xml) throws IOException, SAXException {
ByteArrayInputStream is = new ByteArrayInputStream(xml.getBytes());
return parse(is);
}
public synchronized Node parse(File file) throws IOException, SAXException {
return parse(new InputSource(file.toURI().toURL().toString()));
}
public synchronized Node parse(InputStream in) throws IOException, SAXException {
//_dtd=null;
Handler handler = new Handler();
XMLReader reader = _parser.getXMLReader();
reader.setContentHandler(handler);
reader.setErrorHandler(handler);
reader.setEntityResolver(handler);
_parser.parse(new InputSource(in), handler);
if (handler.error != null)
throw handler.error;
Node root = (Node)handler.root;
handler.reset();
return root;
}
*/
public Operation parse(InputStream in) throws SxmpParsingException, IOException, SAXException, ParserConfigurationException {
// create a new SAX parser
SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser parser = factory.newSAXParser();
parser.getXMLReader().setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
parser.getXMLReader().setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd",false);
parser.getXMLReader().setFeature("http://xml.org/sax/features/external-general-entities", false);
parser.getXMLReader().setFeature("http://xml.org/sax/features/external-parameter-entities" , false);
parser.getXMLReader().setFeature("http://xml.org/sax/features/namespaces", true);
parser.getXMLReader().setFeature("http://xml.org/sax/features/namespace-prefixes", true);
parser.getXMLReader().setFeature("http://javax.xml.XMLConstants/feature/secure-processing", true);
//_dtd=null;
Handler handler = new Handler();
XMLReader reader = parser.getXMLReader();
reader.setContentHandler(handler);
reader.setErrorHandler(handler);
reader.setEntityResolver(handler);
// try parsing (may throw an SxmpParsingException in the handler)
try {
parser.parse(new InputSource(in), handler);
} catch (com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException e) {
throw new SxmpParsingException(SxmpErrorCode.INVALID_XML, "XML encoding mismatch", null);
}
// check if there was an error
if (handler.error != null) {
throw handler.error;
}
// check to see if an operation was actually parsed
if (handler.getOperation() == null) {
throw new SxmpParsingException(SxmpErrorCode.MISSING_REQUIRED_ELEMENT, "The operation type [" + handler.operationType.getValue() + "] requires a request element", new PartialOperation(handler.operationType));
}
// if we got here, an operation was parsed -- now we need to validate it
// to make sure that it has all required elements
try {
handler.getOperation().validate();
} catch (SxmpErrorException e) {
throw new SxmpParsingException(e.getErrorCode(), e.getErrorMessage(), handler.getOperation());
}
return handler.getOperation();
}
private class Handler extends DefaultHandler {
SAXParseException error;
private int depth;
Attributes currentAttrs;
StringBuilder charBuffer;
Operation.Type operationType;
Account account;
Application application;
Operation operation;
// we'll use this hashmap for duplicate element checks
HashSet elements;
private String encoding = "unknown";
private Locator2 locator;
/*
* Per http://xerces.apache.org/xerces2-j/javadocs/api/org/xml/sax/ContentHandler.html#setDocumentLocator%28org.xml.sax.Locator%29
* Note that the locator will return correct information only during the
* invocation SAX event callbacks after startDocument returns and before
* endDocument is called. The application should not attempt to use it
* at any other time.
*/
@Override
public void setDocumentLocator(Locator locator) {
if (locator instanceof Locator2) {
this.locator = (Locator2) locator;
}
}
// utility class to hold error code and message
private class ErrorCodeMessage {
public int code;
public String message;
}
Handler() {
depth = -1;
charBuffer = new StringBuilder(200);
this.elements = new HashSet();
}
/**
* Gets the value from a required attribute. This method will provide
* the following error checking. If the attribute is missing, it will
* throw a MISSING_ATTRIBUTE exception. If the attribute was included,
* but the value was empty, it will throw an EMPTY_VALUE exception.
* Otherwise, it will return the value.
* @param attr The attributes to check
* @param name The attribute name to find
* @return The value
* @throws SxmpErrorException See method overview
*/
public String getOptionalAttributeValue(String tag, Attributes attrs, String name) throws SxmpParsingException {
//
// make sure the attribute exists
//
int size = attrs.getLength();
String value = null;
for (int i = 0; i < size; i++) {
if (attrs.getQName(i).equals(name)) {
// is this the second time we found this attribute?
if (value != null) {
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ATTRIBUTES_NOT_SUPPORTED, "Multiple [" + name + "] attributes within the [" + tag + "] element are not supported", (this.operation != null ? this.operation : new PartialOperation(this.operationType)));
}
value = attrs.getValue(i);
// is there some sort of value for it?
if (StringUtil.isEmpty(value)) {
throw new SxmpParsingException(SxmpErrorCode.EMPTY_VALUE, "The [" + name + "] attribute was empty in the [" + tag + "] element", (this.operation != null ? this.operation : new PartialOperation(this.operationType)));
}
}
}
if (value != null) {
return value;
} else {
return null;
}
}
/**
* Gets the value from a required attribute. This method will provide
* the following error checking. If the attribute is missing, it will
* throw a MISSING_ATTRIBUTE exception. If the attribute was included,
* but the value was empty, it will throw an EMPTY_VALUE exception.
* Otherwise, it will return the value.
* @param attr The attributes to check
* @param name The attribute name to find
* @return The value
* @throws SxmpErrorException See method overview
*/
public String getRequiredAttributeValue(String tag, Attributes attrs, String name) throws SxmpParsingException {
//
// same process as an optional element
//
String value = getOptionalAttributeValue(tag, attrs, name);
if (value != null) {
return value;
} else {
throw new SxmpParsingException(SxmpErrorCode.MISSING_REQUIRED_ATTRIBUTE, "The attribute [" + name + "] is required with the [" + tag + "] element", (this.operation != null ? this.operation : new PartialOperation(this.operationType)));
}
}
public void parseRequestElement(String tag, Request request, Attributes attrs) throws SxmpParsingException {
// should only occur once
if (elements.contains(tag)) {
// we already had the same operation before, so we'll include that in the error
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ELEMENTS_NOT_SUPPORTED, "Multiple [" + tag + "] elements are not supported", this.operation);
}
// add the element tag to something we visited
elements.add(tag);
// an account must ALWAYS come before a request
if (this.account == null) {
throw new SxmpParsingException(SxmpErrorCode.MISSING_REQUIRED_ELEMENT, "The [account] element is required before a [" + tag + "] element", new PartialOperation(this.operationType));
}
// check if the request type matches the operation type
if (request.getType() != this.operationType) {
throw new SxmpParsingException(SxmpErrorCode.OPTYPE_MISMATCH, "The operation type [" + operationType.getValue() + "] does not match the [" + tag + "] element", new PartialOperation(this.operationType));
}
// save the account in this request
request.setAccount(this.account);
request.setApplication(this.application);
// save the request as our operation
this.operation = request;
// all requests have an optional referenceId attribute
String referenceId = getOptionalAttributeValue("submitRequest", attrs, "referenceId");
if (!StringUtil.isEmpty(referenceId)) {
try {
request.setReferenceId(referenceId);
} catch (SxmpErrorException e) {
throw new SxmpParsingException(SxmpErrorCode.INVALID_REFERENCE_ID, e.getErrorMessage(), this.operation);
}
}
}
public void parseResponseElement(String tag, Response response) throws SxmpParsingException {
// should only occur once
if (elements.contains(tag)) {
// we already had the same operation before, so we'll include that in the error
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ELEMENTS_NOT_SUPPORTED, "Multiple [" + tag + "] elements are not supported", this.operation);
}
// add the element tag to something we visited
elements.add(tag);
// check if the request type matches the operation type
if (response.getType() != this.operationType) {
throw new SxmpParsingException(SxmpErrorCode.OPTYPE_MISMATCH, "The operation type [" + operationType.getValue() + "] does not match the [" + tag + "] element", new PartialOperation(this.operationType));
}
// save the request as our operation
this.operation = response;
}
public String parseCharacterData(String tag, boolean required) throws SxmpParsingException {
// should only occur once
if (elements.contains(tag)) {
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ELEMENTS_NOT_SUPPORTED, "Multiple [" + tag + "] elements are not supported", this.operation);
}
// add the element tag to something we visisted
elements.add(tag);
// should be able to convert character data to an integer
String text = charBuffer.toString();
if (required && StringUtil.isEmpty(text)) {
throw new SxmpParsingException(SxmpErrorCode.EMPTY_VALUE, "The element [" + tag + "] must contain a value", this.operation);
}
return text;
}
public Integer parseIntegerValue(String name, String value) throws SxmpParsingException {
// convert to an integer
try {
return Integer.valueOf(value);
} catch (NumberFormatException e) {
throw new SxmpParsingException(SxmpErrorCode.UNABLE_TO_CONVERT_VALUE, "Unable to convert [" + value + "] to an integer for [" + name + "]", this.operation);
}
}
public Boolean parseBooleanValue(String name, String value) throws SxmpParsingException {
// convert to a boolean
if (value == null) {
throw new SxmpParsingException(SxmpErrorCode.UNABLE_TO_CONVERT_VALUE, "Unable to convert [null] to a boolean for [" + name + "]", this.operation);
}
if (value.equalsIgnoreCase("true")) {
return Boolean.TRUE;
} else if (value.equalsIgnoreCase("false")) {
return Boolean.FALSE;
} else {
throw new SxmpParsingException(SxmpErrorCode.UNABLE_TO_CONVERT_VALUE, "Unable to convert [" + value + "] to a boolean for [" + name + "]", this.operation);
}
}
public ErrorCodeMessage parseErrorElement(String tag, Attributes attrs) throws SxmpParsingException {
// should only occur once at this level
if (elements.contains(tag)) {
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ELEMENTS_NOT_SUPPORTED, "Multiple [" + tag + "] elements are not supported", this.operation);
}
// add the element tag to something we visisted
elements.add(tag);
ErrorCodeMessage ecm = new ErrorCodeMessage();
String errorCodeString = this.getRequiredAttributeValue("error", currentAttrs, "code");
ecm.message = this.getRequiredAttributeValue("error", currentAttrs, "message");
ecm.code = this.parseIntegerValue("code", errorCodeString);
return ecm;
}
public Operation getOperation() {
return this.operation;
}
@Override
public void processingInstruction( String target, String value ) {
//logger.debug("processing instr!");
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException {
//
// get the tag stripped of any namespace
//
String tag = (StringUtil.isEmpty(uri)) ? qName : localName;
// debug
//logger.debug("startElement: tag=" + tag);
// logger.trace("startElement: uri=" + uri + ", localName=" + localName + ", qName=" + qName);
// always increment our depth
depth++;
//
// Depth: zero
// Element(s): operation
//
if (depth == 0) {
// make sure our encoding is valid
if (this.locator != null) {
this.encoding = this.locator.getEncoding();
}
if (version.equals(VERSION_1_1)) {
if (!this.encoding.toLowerCase().equals("utf-8")) {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_TEXT_ENCODING, "Invalid encoding: "+encoding, null);
}
}
if (!tag.equals("operation")) {
throw new SxmpParsingException(SxmpErrorCode.INVALID_XML, "Root element must be an [operation]", null);
}
// must contain an attribute with the type
String opType = getRequiredAttributeValue("operation", attrs, "type");
// parse it via the enum
this.operationType = Operation.Type.parse(opType);
if (this.operationType == null) {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_OPERATION, "Unsupported operation type [" + opType + "]", null);
}
//
// Depth: 1
// Element(s): account, submitRequest
//
} else if (depth == 1) {
if (tag.equals("account")) {
// should only occur once
if (elements.contains(tag)) {
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ELEMENTS_NOT_SUPPORTED, "Multiple [account] elements are not supported", new PartialOperation(this.operationType));
}
elements.add(tag);
// should have two attributes, username and password
String username = getRequiredAttributeValue("account", attrs, "username");
String password = getRequiredAttributeValue("account", attrs, "password");
this.account = new Account(username, password);
} else if (tag.equals("application")) {
// should only occur once
if (elements.contains(tag)) {
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ELEMENTS_NOT_SUPPORTED, "Multiple [application] elements are not supported", new PartialOperation(this.operationType));
}
} else if (tag.equals("error")) {
// this is a top level error -- indicates this should be
// the only element to return
ErrorCodeMessage ecm = parseErrorElement(tag, currentAttrs);
ErrorResponse errorResponse = new ErrorResponse(this.operationType, ecm.code, ecm.message);
this.operation = errorResponse;
} else if (tag.equals("submitRequest")) {
parseRequestElement(tag, new SubmitRequest(version), attrs);
} else if (tag.equals("deliverRequest")) {
parseRequestElement(tag, new DeliverRequest(), attrs);
} else if (tag.equals("deliveryReportRequest")) {
parseRequestElement(tag, new DeliveryReportRequest(), attrs);
} else if (tag.equals("submitResponse")) {
parseResponseElement(tag, new SubmitResponse());
} else if (tag.equals("deliverResponse")) {
parseResponseElement(tag, new DeliverResponse());
} else if (tag.equals("deliveryReportResponse")) {
parseResponseElement(tag, new DeliveryReportResponse());
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "Unsupported [" + tag + "] element found at depth [" + depth + "]", new PartialOperation(this.operationType));
}
//
// Depth: 2
// Element(s): operatorId, etc.
//
} else if (depth == 2) {
// do nothing here, always process in endElement callback
} else {
// NOTE: no other depths are supported in SXMP
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "Unsupported [" + tag + "] element found at depth [" + depth + "]", this.operation);
}
// starting element means reset our character buffer
charBuffer.setLength(0);
// save reference to attributes for processing in endElement
currentAttrs = attrs;
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
//
// get the tag stripped of any namespace
//
String tag = (StringUtil.isEmpty(uri)) ? qName : localName;
// logger.trace("endElement: uri=" + uri + ", localName=" + localName + ", qName=" + qName);
if (depth == 1) {
if (tag.equals("application")) {
// parse the character data, check for duplicates
String applicationNameText = parseCharacterData(tag, true);
this.application = new Application(applicationNameText);
}
} else if (depth == 2) {
if (tag.equals("operatorId")) {
// parse the character data, check for duplicates
String operatorIdText = parseCharacterData(tag, true);
// convert to an integer
Integer operatorId = parseIntegerValue(tag, operatorIdText);
try {
if (operation instanceof MessageRequest) {
((MessageRequest)operation).setOperatorId(operatorId);
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The [operatorId] element is not supported for this operation type", this.operation);
}
} catch (SxmpErrorException e) {
throw new SxmpParsingException(e.getErrorCode(), e.getErrorMessage(), this.operation);
}
} else if (tag.equals("priority")) {
// parse the character data, check for duplicates
String priorityText = parseCharacterData(tag, true);
// convert to an integer
Integer priorityFlag = parseIntegerValue(tag, priorityText);
try {
if (operation instanceof MessageRequest) {
((MessageRequest)operation).setPriority(Priority.fromPriorityFlag(priorityFlag));
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The [priority] element is not supported for this operation type", this.operation);
}
} catch (IllegalArgumentException e) {
throw new SxmpParsingException(SxmpErrorCode.INVALID_VALUE, e.getMessage(), this.operation);
}
} else if (tag.equals("error")) {
// parse the error element
ErrorCodeMessage ecm = parseErrorElement(tag, currentAttrs);
if (operation instanceof Response) {
((Response)operation).setErrorCode(ecm.code);
((Response)operation).setErrorMessage(ecm.message);
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The [" + tag + "] element is not supported for this operation type", this.operation);
}
} else if (tag.equals("ticketId")) {
// parse the character data, check for duplicates
String ticketId = parseCharacterData(tag, true);
// we basically support a ticket element on anything (request or response)
operation.setTicketId(ticketId);
} else if (tag.equals("status")) {
// should only occur once
if (elements.contains(tag)) {
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ELEMENTS_NOT_SUPPORTED, "Multiple [status] elements are not supported", this.operation);
}
// add the element tag to something we visisted
elements.add(tag);
String statusCodeString = this.getRequiredAttributeValue("status", currentAttrs, "code");
String statusMessage = this.getRequiredAttributeValue("status", currentAttrs, "message");
Integer statusCode = this.parseIntegerValue("code", statusCodeString);
DeliveryStatus status = new DeliveryStatus(statusCode, statusMessage);
if (operation instanceof DeliveryReportRequest) {
((DeliveryReportRequest)operation).setStatus(status);
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The status element is not supported for this operation type", this.operation);
}
} else if (tag.equals("messageError")) {
// should only occur once
if (elements.contains(tag)) {
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ELEMENTS_NOT_SUPPORTED, "Multiple [messageError] elements are not supported", this.operation);
}
// add the element tag to something we visisted
elements.add(tag);
String messageErrorCodeString = this.getRequiredAttributeValue("messageError", currentAttrs, "code");
Integer messageErrorCode = this.parseIntegerValue("code", messageErrorCodeString);
if (operation instanceof DeliveryReportRequest) {
((DeliveryReportRequest)operation).setMessageErrorCode(messageErrorCode);
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The messageError element is not supported for this operation type", this.operation);
}
} else if (tag.equals("createDate")) {
// should only occur once
if (elements.contains(tag)) {
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ELEMENTS_NOT_SUPPORTED, "Multiple [createDate] elements are not supported", this.operation);
}
String createDateText = parseCharacterData(tag, true);
DateTime createDate = null;
try {
createDate = dateTimeFormat.parseDateTime(createDateText);
} catch (Exception e) {
throw new SxmpParsingException(SxmpErrorCode.INVALID_VALUE, "Unable to convert createDate [" + createDateText + "] into a DateTime", this.operation);
}
if (operation instanceof DeliveryReportRequest) {
((DeliveryReportRequest)operation).setCreateDate(createDate);
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The createDate element is not supported for this operation type", this.operation);
}
} else if (tag.equals("finalDate")) {
// should only occur once
if (elements.contains(tag)) {
throw new SxmpParsingException(SxmpErrorCode.MULTIPLE_ELEMENTS_NOT_SUPPORTED, "Multiple [finalDate] elements are not supported", this.operation);
}
String finalDateText = parseCharacterData(tag, true);
DateTime finalDate = null;
try {
finalDate = dateTimeFormat.parseDateTime(finalDateText);
} catch (Exception e) {
throw new SxmpParsingException(SxmpErrorCode.INVALID_VALUE, "Unable to convert finalDate [" + finalDateText + "] into a DateTime", this.operation);
}
if (operation instanceof DeliveryReportRequest) {
((DeliveryReportRequest)operation).setFinalDate(finalDate);
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The finalDate element is not supported for this operation type", this.operation);
}
} else if (tag.equals("deliveryReport")) {
// parse the character data, check for duplicates
String deliveryReportText = parseCharacterData(tag, true);
Boolean deliveryReport = parseBooleanValue(tag, deliveryReportText);
if (operation instanceof SubmitRequest) {
((SubmitRequest)operation).setDeliveryReport(deliveryReport);
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The [deliveryReport] element is not supported for this operation type", this.operation);
}
} else if (tag.equals("sourceAddress")) {
// parse the character data, check for duplicates
String addrString = parseCharacterData(tag, true);
// a type attribute is required
String addrTypeString = getRequiredAttributeValue(tag, currentAttrs, "type");
try {
// parse and create address
MobileAddress srcAddr = MobileAddressUtil.parseAddress(addrTypeString, addrString);
if (operation instanceof MessageRequest) {
((MessageRequest)operation).setSourceAddress(srcAddr);
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The [sourceAddress] element is not supported for this operation type", this.operation);
}
} catch (SxmpErrorException e) {
throw new SxmpParsingException(e.getErrorCode(), e.getErrorMessage(), this.operation);
}
} else if (tag.equals("destinationAddress")) {
// parse the character data, check for duplicates
String addrString = parseCharacterData(tag, true);
// a type attribute is required
String addrTypeString = getRequiredAttributeValue(tag, currentAttrs, "type");
try {
// dest address is XML-escaped for push
if (MobileAddressUtil.parseType(addrTypeString) == MobileAddress.Type.PUSH_DESTINATION) {
// TODO: CHANGE TO STRINGUTIL.UNESCAPE MAKE FCN
addrString = StringEscapeUtils.unescapeXml(addrString);
}
// parse and create address
MobileAddress destAddr = MobileAddressUtil.parseAddress(addrTypeString, addrString);
if (operation instanceof MessageRequest) {
((MessageRequest)operation).setDestinationAddress(destAddr);
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The [destinationAddress] element is not supported for this operation type", this.operation);
}
} catch (SxmpErrorException e) {
throw new SxmpParsingException(e.getErrorCode(), e.getErrorMessage(), this.operation);
}
} else if (tag.equals("text")) {
// parse the character data, check for duplicates
// NOTE: the text element can contain no chars (empty message)
String encodedText = parseCharacterData(tag, false);
// an encoding MUST be included
String encoding = getRequiredAttributeValue(tag, currentAttrs, "encoding");
TextEncoding te = TextEncoding.valueOfCharset(encoding);
// if no encoding was found, then this is not supported
if (te == null) {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_TEXT_ENCODING, "Unsupported text encoding [" + encoding + "] found", this.operation);
}
// try to convert hex encoding
String text = null;
try {
if (logger.isTraceEnabled()) {
logger.trace("textBeforeDecoding: [" + encodedText + "]");
}
byte[] bytes = HexUtil.toByteArray(encodedText);
// convert these bytes into a string using the provided charset
text = new String(bytes, te.getCharset());
if (logger.isTraceEnabled()) {
logger.debug("textAfterDecoding: [" + text + "]");
}
} catch (Exception e) {
throw new SxmpParsingException(SxmpErrorCode.TEXT_HEX_DECODING_FAILED, "Unable to decode hex data into text", this.operation);
}
if (operation instanceof MessageRequest) {
((MessageRequest)operation).setText(text, te);
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "The [text] element is not supported for this operation type", this.operation);
}
} else if (tag.equals("optionalParams") && version.equals(VERSION_1_1)) {
String encodedText = parseCharacterData(tag, false);
// optionalParams are XML-escaped
encodedText = StringEscapeUtils.unescapeXml(encodedText);
if (!StringUtils.isBlank(encodedText)) {
//logger.debug("*** Encoded text: '"+encodedText+"'");
try {
JSONObject jsonObj = new JSONObject(encodedText);
OptionalParamMap optionalParams = new OptionalParamMap(OptionalParamMap.HASH_MAP);
Iterator nameItr = jsonObj.keys();
while(nameItr.hasNext()) {
String name = nameItr.next();
Object o = jsonObj.get(name);
optionalParams.put(name, o);
}
((MessageRequest)operation).setOptionalParams(optionalParams);
} catch (JSONException e) {
logger.warn("", e);
throw new SxmpParsingException(SxmpErrorCode.UNABLE_TO_CONVERT_VALUE, "Unable to decode json data", this.operation);
} catch (IllegalArgumentException e) {
throw new SxmpParsingException(SxmpErrorCode.INVALID_VALUE, "Invalid optional parameters", this.operation);
}
}
} else {
throw new SxmpParsingException(SxmpErrorCode.UNSUPPORTED_ELEMENT, "Unsupported [" + tag + "] element found at depth [" + depth + "]", this.operation);
}
}
// always decrement our depth
depth--;
}
@Override
public void ignorableWhitespace(char buf[], int offset, int len) throws SAXException {
// do nothing
logger.debug("ignorable whitespace included!");
}
@Override
public void characters(char buf[], int offset, int len) throws SAXException {
if (buf == null || buf.length <= 0) {
// do nothing
return;
}
// convert to string
String text = new String(buf, offset, len);
// now, only set a text value if its not empty
if (text != null && !text.isEmpty()) {
charBuffer.append(text);
}
}
@Override
public void warning(SAXParseException ex) {
logger.warn("", ex);
logger.warn("WARNING @ " + getLocationString(ex) + " : " + ex.toString());
}
@Override
public void error(SAXParseException ex) throws SAXException {
// Save error and continue to report other errors
if (error == null)
error = ex;
//logger.debug(ex);
logger.error("ERROR @ " + getLocationString(ex) + " : " + ex.toString());
}
@Override
public void fatalError(SAXParseException ex) throws SAXException {
error = ex;
//logger.debug(ex);
logger.error("FATAL @ " + getLocationString(ex) + " : " + ex.toString());
throw ex;
}
private String getLocationString(SAXParseException ex) {
return ex.getSystemId() + " line:" + ex.getLineNumber() + " col:" + ex.getColumnNumber();
}
@Override
public InputSource resolveEntity(String pid, String sid) {
//logger.debug("resolveEntity(" + pid + ", " + sid + ")");
/**
if (logger.isDebugEnabled())
logger.debug("resolveEntity(" + pid + ", " + sid + ")");
if (sid!=null && sid.endsWith(".dtd"))
_dtd=sid;
URL entity = null;
if (pid != null)
entity = (URL) _redirectMap.get(pid);
if (entity == null)
entity = (URL) _redirectMap.get(sid);
if (entity == null)
{
String dtd = sid;
if (dtd.lastIndexOf('/') >= 0)
dtd = dtd.substring(dtd.lastIndexOf('/') + 1);
if (logger.isDebugEnabled())
logger.debug("Can't exact match entity in redirect map, trying " + dtd);
entity = (URL) _redirectMap.get(dtd);
}
if (entity != null)
{
try
{
InputStream in = entity.openStream();
if (logger.isDebugEnabled())
logger.debug("Redirected entity " + sid + " --> " + entity);
InputSource is = new InputSource(in);
is.setSystemId(sid);
return is;
}
catch (IOException e)
{
logger.warn(e);
}
}
*/
return null;
}
}
}
