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MarkLogic XML Contentbase Connector for Java (XCC/J)
/*
* Copyright 2003-2019 MarkLogic Corporation
*
* 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.
*/
package com.marklogic.xcc;
import java.math.BigInteger;
import java.util.Locale;
import java.util.Map;
import com.marklogic.http.HttpChannel;
/**
* A set of creation options to be applied to a document when it is inserted into a contentbase. By
* default, the document format is set to {@link DocumentFormat#NONE} which indicates that
* server-configured defaults should be used to determine the document format.
*/
public class ContentCreateOptions implements Cloneable {
/**
* The default character encoding (UTF-8) that will be assumed if not explicitly set by
* {@link #setEncoding(String)}.
*/
public static final String DEFAULT_ENCODING = "UTF-8";
/** The minimum user-settable buffer size (256) */
public static final int MIN_BUFFER_SIZE = 256;
/** The maximum user-settable buffer size (12MB) */
public static final int MAX_BUFFER_SIZE = 12 * 1024 * 1024;
private DocumentFormat format = DocumentFormat.NONE;
private DocumentRepairLevel repairLevel = DocumentRepairLevel.DEFAULT;
private Locale locale = null;
private boolean resolveEntities = false;
private int resolveBufferSize = 0;
private ContentPermission[] permissions = null;
private String[] collections = null;
private int quality = 0;
private String namespace = null;
private BigInteger[] placeKeys = null;
private String language = null;
private String encoding = DEFAULT_ENCODING;
private int bufferSize = -1;
private String temporalCollection = null;
private String temporalVersionURI = null;
private String graph = null;
private Map metadata = null;
// ----------------------------------------------------------
/**
* Create an instance with format set to {@link DocumentFormat#XML}.
*
* @return An options object that specifies XML format.
*/
public static ContentCreateOptions newXmlInstance() {
ContentCreateOptions options = new ContentCreateOptions();
options.setFormatXml();
return (options);
}
/**
* Create an instance with format set to {@link DocumentFormat#TEXT}.
*
* @return An options object that specifies text() format.
*/
public static ContentCreateOptions newTextInstance() {
ContentCreateOptions options = new ContentCreateOptions();
options.setFormatText();
return (options);
}
/**
* Create an instance with format set to {@link DocumentFormat#BINARY}.
*
* @return An options object that specifies binary() format.
*/
public static ContentCreateOptions newBinaryInstance() {
ContentCreateOptions options = new ContentCreateOptions();
options.setFormatBinary();
return (options);
}
/**
* Create an instance with format set to {@link DocumentFormat#JSON}.
*
* @return An options object that specifies json format.
*/
public static ContentCreateOptions newJsonInstance() {
ContentCreateOptions options = new ContentCreateOptions();
options.setFormatJson();
return (options);
}
// ----------------------------------------------------------
/**
* Set the format of the document to be created to the given type. If never set, the document
* format is {@link DocumentFormat#NONE} which indicates that the server should apply its
* configured rules for determining the document format. This may include choosing a format
* according to the suffix of the document URI.
*
* @param format
* An instance of {@link DocumentFormat}.
*/
public void setFormat(DocumentFormat format) {
this.format = format;
}
/**
* Return the document format value currently in effect for this options object.
*
* @return An instance of {@link DocumentFormat}
*/
public DocumentFormat getFormat() {
return (format);
}
/**
* Convenience method equivalent to setFormat (DocumentFormat.XML);.
*/
public void setFormatXml() {
setFormat(DocumentFormat.XML);
}
/**
* Convenience method equivalent to setFormat (DocumentFormat.TEXT);.
*/
public void setFormatText() {
setFormat(DocumentFormat.TEXT);
}
/**
* Convenience method equivalent to setFormat (DocumentFormat.BINARY);.
*/
public void setFormatBinary() {
setFormat(DocumentFormat.BINARY);
}
/**
* Convenience method equivalent to setFormat (DocumentFormat.JSON);.
*/
public void setFormatJson() {
setFormat(DocumentFormat.JSON);
}
// ----------------------------------------------------------
// simple properties
/**
* Return the current document repair level setting. The default value is
* {@link DocumentRepairLevel#DEFAULT}, but this option is only applicable when the document format
* is {@link DocumentFormat#XML}.
*
* @return An instance of {@link DocumentRepairLevel}.
*/
public DocumentRepairLevel getRepairLevel() {
return repairLevel;
}
/**
* Set the document repair level for this options object. The default value is
* {@link DocumentRepairLevel#DEFAULT}, but this option is only applicable when the document format
* is {@link DocumentFormat#XML}.
*
* @param repairLevel
* An instance of {@link DocumentRepairLevel}.
*/
public void setRepairLevel(DocumentRepairLevel repairLevel) {
this.repairLevel = repairLevel;
}
/**
* Get the {@link Locale} setting for this options object.
*
* @return An instance of {@link Locale}, or null.
*/
public Locale getLocale() {
return locale;
}
/**
* Set the effective {@link Locale} value for this options object. The default is null, which
* indicates that the local JVM default value is to be applied. Note that the server may not
* support the locale configured as the local client default. In such a case it may be necessary
* to explicitly set the {@link Locale} to a value recognized by the server for content
* insertion to succeed.
*
* @param locale
* An instance of {@link Locale}.
*/
public void setLocale(Locale locale) {
this.locale = locale;
}
/**
* Return the set of metadata currently in effect for this options object.
*
* @return An map of metadata keys and metadata values, or null.
*/
public Map getMetadata() {
return metadata;
}
/**
* Set an map of metadata key and metadata values that represent metadata
* to which the document(s) will be added when inserted. The default is
* null.
*
* @param metadata
* A map of metadata keys and metadata values.
*/
public void setMetadata(Map metadata) {
this.metadata = metadata;
}
/**
* Get the current setting of the flag which indicates whether or not to resolve entities
* embedded in an XML document to be inserted. If true, any entity references in a document
* being inserted will be resolved (if possible) by XCC and sent to the server for inline
* expansion. If false, entities will simply be stored as text. The default is false and this
* flag is only meaningful when the format is {@link DocumentFormat#XML}.
*
* @return A boolean value.
*/
public boolean getResolveEntities() {
return resolveEntities;
}
/**
* Set the flag indicating whether embedded entities should be resolved
* during content insertion. The default is false. When XCC is set to be in
* HTTP compliant mode through system property "xcc.httpcompliant", setting
* the flag to true will throw UnsupportedOperationException.
*
* @param resolveEntities
* A boolean indicating whether entities should be resolved or
* not.
* @see #getResolveEntities()
*/
public void setResolveEntities(boolean resolveEntities) {
if (HttpChannel.isUseHTTP()) {
throw new UnsupportedOperationException(
"ResolveEntities is not supported when "
+ "\"xcc.httpcompliant\" is enabled");
}
this.resolveEntities = resolveEntities;
}
/**
* Indicate the buffer size to use for entity resolution. The default is zero.
*
* @return An integer value, possibly zero.
*/
public int getResolveBufferSize() {
return resolveBufferSize;
}
/**
* Set the entity resulution buffer size. This value is passed to the server and is not used
* directly by XCC. The default is 0, which indicates that a reasonable default should be used.
* The default should be appropriate for all but the most unusual of circumstances.
*
* @param resolveBufferSize
* The buffer size to pass the server.
*/
public void setResolveBufferSize(int resolveBufferSize) {
this.resolveBufferSize = resolveBufferSize;
}
/**
* Return the quality value currently set on this options object.
*
* @return An integer value.
*/
public int getQuality() {
return quality;
}
/**
* Set the quality value for this options object, which will set on inserted documents. The
* default is zero.
*
* @param quality
* An integer value.
*/
public void setQuality(int quality) {
this.quality = quality;
}
/**
* Return the namespace name setting current in effect for this options object.
*
* @return A namespace name {@link String}, or null.
*/
public String getNamespace() {
return namespace;
}
/**
* Set a namespace name, which will used as the namespace associated with inserted documents.
* The default is null, which indicates that the default namespace should be used.
*
* @param namespace
* A namespace name as a {@link String}, or null to reset to default.
*/
public void setNamespace(String namespace) {
this.namespace = namespace;
}
/**
* Get the current language setting for this options object.
*
* @return A language name as a {@link String}, or null.
*/
public String getLanguage() {
return language;
}
/**
* Set the language name to associate with inserted documents. A value of en
* indicates that the document is in english. The default is null, which indicates to use the
* server default.
*
* @param language
* A language name as a {@link String}, or null to reset to the default.
*/
public void setLanguage(String language) {
this.language = language;
}
/**
* Get the current charset encoding setting for this options object.
*
* @return A charset encoding name, as a {@link String}
* @since 3.2
*/
public String getEncoding() {
return encoding;
}
/**
*
* Set the charset encoding to be used by the server when loading this document. The encoding
* provided will be passed to the server at document load time and must be a name that it
* recognizes. The document byte stream will be transcoded to UTF-8 for storage.
*
*
* Note: UTF-8 encoded files may contain a three-byte Byte Order Mark at the beginning which
* decodes as the Unicode character \ufeff. As of 4.0, this value is no longer ignored by the
* server. When it's safe to do so, XCC will strip the BOM, which is not considered to be part
* of the content. XCC will not strip the BOM if the encoding is not UTF-8 (either
* explicitly set, or defaulted) and the document format ({@link #setFormat(DocumentFormat)}) is
* not text or XML. If the document format is not explicitly set, BOM stripping will not occur
* (because the server may choose to treat the content as binary) and document insertion may
* fail if a BOM is present.
*
*
* @param encoding
* The name of an encoding to be used to interpret the document data as it is loaded
* by the server. A value of null sets the encoding to the default (
* {@link #DEFAULT_ENCODING}).
* @since 3.2
*/
public void setEncoding(String encoding) {
if (encoding == null) {
this.encoding = DEFAULT_ENCODING;
} else {
this.encoding = encoding;
}
}
// ----------------------------------------------------------
/**
* Return the set of collection URIs currently in effect for this options object.
*
* @return An array of URI {@link String}s, or null.
*/
public String[] getCollections() {
return (collections == null) ? null : collections.clone();
}
/**
* Set an array of URIs that represent collections to which the document(s) will be added when
* inserted. The default is null, which indicates that the document(s) should be added to the
* users default collections.
*
* @param collections
* An array of {@link String}s which are collection URIs.
*/
public void setCollections(String[] collections) {
this.collections = (collections == null) ? null : collections.clone();
}
/**
*
* Returns the set of forest placement keys (forest IDs) currently in effect for this options
* object. Although forest placement keys may be specified in two ways, as {@link BigInteger} or
* and long, they are always stored internally as {@link BigInteger} objects.
*
*
* If the URI of the document being inserted already exists exists in the contentbase, it will
* remain in the same forest. If a specified forest ID does not exist, that is an error. If more
* than one forest ID is given, the document will be placed in one of them at the server's
* discretion.
*
*
* @return An array of {@link BigInteger} objects, or null.
*/
public BigInteger[] getPlaceKeys() {
return (placeKeys == null) ? null : placeKeys.clone();
}
/**
*
* Set the forest placement keys for this options object as an array of {@link BigInteger}
* objects. Forest IDs are unsigned 64-bit values generated by the server. Because Java long
* values are signed longs, there is a possiblity that forest IDs cannot reliably be represented
* by Java longs.
*
*
* While is it not possible to specify forest placement directly by forest name, is it very easy
* to map forest names to forest IDs. The
* {@link com.marklogic.xcc.ContentbaseMetaData#getForestMap()} method will return a
* {@link java.util.Map} of the forest names and their associated IDs.
*
*
* @param forestKeys
* An array of {@link BigInteger} objects or null to set default.
*/
public void setPlaceKeys(BigInteger[] forestKeys) {
this.placeKeys = (forestKeys == null) ? null : forestKeys.clone();
}
/**
* Set the forest placement keys as long values. The values provided, if any, will be converted
* and stored a {@link BigInteger} objects.
*
* @param forestKeys
* An array of long values.
* @see #setPlaceKeys(java.math.BigInteger[])
*/
public void setPlaceKeys(long[] forestKeys) {
if (forestKeys == null) {
this.placeKeys = null;
return;
}
BigInteger[] bigInts = new BigInteger[forestKeys.length];
for (int i = 0; i < forestKeys.length; i++) {
bigInts[i] = new BigInteger("" + forestKeys[i]);
}
setPlaceKeys(bigInts);
}
/**
* Return the set of document permissions currently in effect for this options object.
*
* @return An array of {@link ContentPermission} objects, or null.
*/
public ContentPermission[] getPermissions() {
return (permissions == null) ? null : permissions.clone();
}
/**
* Set the permissions to be applied when documents are inserted. The default is null, which
* indicates that the default permissions for user should be applied.
*
* @param permissions
* An array of {@link ContentPermission} objects or null to reset to defaults.
*/
public void setPermissions(ContentPermission[] permissions) {
this.permissions = (permissions == null) ? null : permissions.clone();
}
/**
* Return the preferred working buffer size to use for copying the content to the server.
*
* @return The user-supplied buffer size, or -1.
*/
public int getBufferSize() {
return bufferSize;
}
/**
* Set a preferred working buffer size to use for copying to the server. A value of -1, the
* default, indicates that an internal default should be used. If the value supplied is less
* than one, it will treated as -1. Positive values will be constrained to
* {@link #MIN_BUFFER_SIZE} and {@link #MAX_BUFFER_SIZE}. This buffer size is a maximum. If the
* actual size of the content is smaller than this size, a buffer of the smaller size will be
* used.
*
* @param newSize
* A preferred buffer size, or -1 to use the default.
*/
public void setBufferSize(int newSize) {
if (newSize < 1) {
this.bufferSize = -1;
} else if (newSize < MIN_BUFFER_SIZE) {
this.bufferSize = MIN_BUFFER_SIZE;
} else if (newSize > MAX_BUFFER_SIZE) {
this.bufferSize = MAX_BUFFER_SIZE;
} else {
this.bufferSize = newSize;
}
}
/**
* Get the temporal collection for this options object.
*
* @return Temporal collection as a {@link String}, or null.
*/
public String getTemporalCollection() {
return temporalCollection;
}
/**
* Set the temporal collection to associate with inserted documents.
* A value of null indicates that the document is not temporal.
* The default is null.
*
* @param temporalCollection
* A temporal collection as a {@link String}, or null for non-temporal.
*/
public void setTemporalCollection(String temporalCollection) {
this.temporalCollection = temporalCollection;
}
/**
* Get the temporal version URI for this options object.
*
* @return Temporal collection a {@link String}, or null.
*/
public String getTemporalVersionURI() {
return temporalVersionURI;
}
/**
* Set the temporal version URI to associate with inserted documents.
* The default is null. Only used when temporalCollection is set as well.
*
* @param temporalVersionURI
* A URI as a {@link String} or null.
*/
public void setTemporalVersionURI(String temporalVersionURI) {
this.temporalVersionURI = temporalVersionURI;
}
/**
* Get the RDF Graph for this options object
* @return A graph iri as {@link String}, or null.
*/
public String getGraph() {
return graph;
}
/**
* Set the RDF Graph for this options object
* @param graph
* A graph iri as {@link String}.
*/
public void setGraph(String graph) {
this.graph = graph;
}
@Override
public Object clone() {
ContentCreateOptions options = new ContentCreateOptions();
options.bufferSize = bufferSize;
if (collections != null) {
options.collections = new String[collections.length];
for (int i = 0; i < collections.length; i++) {
options.collections[i] = collections[i];
}
}
options.encoding = encoding;
options.format = format;
options.language = language;
options.locale = locale;
options.namespace = namespace;
options.temporalCollection = temporalCollection;
options.temporalVersionURI = temporalVersionURI;
if (permissions != null) {
options.permissions = new ContentPermission[permissions.length];
for (int i = 0; i < permissions.length; i++) {
options.permissions[i] = permissions[i];
}
}
if (placeKeys != null) {
options.placeKeys = new BigInteger[placeKeys.length];
for (int i = 0; i < placeKeys.length; i++) {
options.placeKeys[i] = new BigInteger(
placeKeys[i].toByteArray());
}
}
options.quality = quality;
options.repairLevel = repairLevel;
options.resolveBufferSize = resolveBufferSize;
options.resolveEntities = resolveEntities;
options.graph = graph;
options.metadata = metadata;
return options;
}
}