blob: a39b490a9cb8467fd0f1bdfec7b3433ad4549d07 [file] [log] [blame]
/*
* Copyright (c) 2014, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* Defines the Java APIs for XML Processing (JAXP).
*
* <ul>
* <li><a href="#JAXP">The JAXP APIs</a></li>
* <li><a href="#FacPro">Factories and Processors</a></li>
* <li><a href="#Conf">Configuration</a>
* <ul>
* <li><a href="#Conf_Properties">JAXP Properties</a></li>
* <li><a href="#Conf_SystemProperties">System Properties</a></li>
* <li><a href="#Conf_CF">Configuration File</a>
* <ul>
* <li><a href="#Conf_CF_Default">{@code jaxp.properties} File</a></li>
* <li><a href="#Conf_CF_SP">User-defined Configuration File</a></li>
* </ul>
* </li>
* <li><a href="#PP">Property Precedence</a></li>
* </ul>
* </li>
* <li><a href="#LookupMechanism">JAXP Lookup Mechanism</a>
* <ul>
* <li><a href="#LookupProcedure">Lookup Procedure</a></li>
* </ul>
* </li>
* <li><a href="#implNote">Implementation Note</a></li>
* </ul>
*
* <h2 id="JAXP">The JAXP APIs</h2>
* JAXP comprises a set of APIs built upon a number of XML technologies and
* standards that are essential for XML processing. These include APIs for:
*
* <ul>
* <li>Parsing: the {@link javax.xml.parsers JAXP Parsing API} based on
* {@link org.w3c.dom Document Object Model (DOM)} and
* {@link org.xml.sax Simple API for XML Parsing (SAX)}, and
* {@link javax.xml.stream Streaming API for XML (StAX)};
* </li>
* <li>Serializing: StAX and
* {@link javax.xml.transform Extensible Stylesheet Language Transformations (XSLT)};
* </li>
* <li>Validation: the {@link javax.xml.validation JAXP Validation API}
* based on the XML Schema Definition Language;</li>
* <li>Transformation: the {@link javax.xml.transform JAXP Transformation API}
* or XSLT (Extensible Stylesheet Language Transformations);</li>
* <li>Querying and traversing XML documents: the
* {@link javax.xml.xpath XML XPath Language API (XPath)};</li>
* <li>Resolving external resources: the {@link javax.xml.catalog XML Catalog API};</li>
* </ul>
*
* <h2 id="FacPro">Factories and Processors</h2>
* Factories are the entry points of each API, providing methods to allow applications
* to set <a href="#Conf_Properties">JAXP Properties</a> programmatically, before
* creating processors. The <a href="#Conf">Configuration</a> section provides more
* details on this. Factories also support the
* <a href="#LookupMechanism">JAXP Lookup Mechanism</a>, in which applications can be
* deployed with third party implementations to use instead of JDK implementations
* <p>
*
* Processors are aggregates of parsers (or readers), serializers (or writers),
* validators, and transformers that control and perform the processing in their
* respective areas. They are defined in their relevant packages.
* In the {@link javax.xml.parsers parsers} package for example,
* are the {@link javax.xml.parsers.DocumentBuilder DocumentBuilder} and
* {@link javax.xml.parsers.SAXParser SAXParser}, that represent the DOM and
* SAX processors.
* <p>
* The processors are configured and instantiated with their corresponding factories.
* The DocumentBuilder and SAXParser for example are constructed with the
* {@link javax.xml.parsers.DocumentBuilderFactory DocumentBuilderFactory}
* and {@link javax.xml.parsers.SAXParserFactory SAXParserFactory} respectively.
*
* <h2 id="Conf">Configuration</h2>
* When a JAXP factory is invoked for the first time, it performs a configuration
* process to determine the implementation to be used and its subsequent behaviors.
* During configuration, the factory examines configuration sources such as the
* <a href="#Conf_Properties">JAXP Properties</a>,
* <a href="#Conf_SystemProperties">System Properties</a>,
* and the <a href="#Conf_CF">JAXP Configuration File</a>, and sets the values
* following the <a href="#PP">Property Precedence</a>. The terminologies and
* process are defined below.
*
* <h3 id="Conf_Properties">JAXP Properties</h3>
* JAXP properties are configuration settings that are applied to XML processors.
* They can be used to control and customize the behavior of a processor.
* Depending on the JAXP API that is being used, JAXP properties may be referred
* to as <em>Attributes, Properties</em>, or <em>Features</em>.
*
* <h3 id="Conf_SystemProperties">System Properties</h3>
* Select JAXP properties have corresponding System Properties allowing the properties
* to be set at runtime, on the command line, or within the
* <a href="#Conf_CF">JAXP Configuration File</a>.
* For example, the System Property {@code javax.xml.catalog.resolve} may be used
* to set the {@link javax.xml.catalog.CatalogFeatures CatalogFeatures}' RESOLVE
* property.
* <p>
* The exact time at which system properties are read is unspecified. In order to
* ensure that the desired values are properly applied, applications should ensure
* that system properties are set appropriately prior to the creation of the first
* JAXP factory and are not modified thereafter.
*
* <h3 id="Conf_CF">Configuration File</h3>
* JAXP supports the use of configuration files for
* <a href="#LookupMechanism">specifying the implementation class to load for the JAXP factories</a>
* as well as for setting JAXP properties.
* <p>
* Configuration files are Java {@link java.util.Properties} files that consist
* of mappings between system properties and their values defined by various APIs
* or processes. The following configuration file entries demonstrate setting the
* {@code javax.xml.parsers.DocumentBuilderFactory}
* and {@code CatalogFeatures.RESOLVE} properties:
*
* {@snippet :
* javax.xml.parsers.DocumentBuilderFactory=packagename.DocumentBuilderFactoryImpl
* javax.xml.catalog.resolve=strict
* }
*
* <h4 id="Conf_CF_Default">{@code jaxp.properties} File</h4>
* By default, JAXP looks for the configuration file {@code jaxp.properties},
* located in the ${java.home}/conf directory; and if the file exists, loads the
* specified properties to customize the behavior of the XML factories and processors.
* <p>
* The {@code jaxp.properties} file will be read only once during the initialization
* of the JAXP implementation and cached in memory. If there is an error accessing
* or reading the file, the configuration process proceeds as if the file does not exist.
*
* <h4 id="Conf_CF_SP">User-defined Configuration File</h4>
* In addition to the {@code jaxp.properties} file, the system property
* {@systemProperty java.xml.config.file} can be set to specify the location of
* a configuration file. If the {@code java.xml.config.file} property is included
* within a configuration file, it will be ignored.
*
* <p>
* When the {@code java.xml.config.file} is specified, the configuration file will be
* read and the included properties will override the same properties that were
* defined in the {@code jaxp.properties} file. If the {@code java.xml.config.file}
* has not been set when the JAXP implementation is initialized, no further attempt
* will be made to check for its existence.
* <p>
* The {@code java.xml.config.file} value must contain a valid pathname
* to a configuration file. If the pathname is not absolute, it will be considered
* relative to the working directory of the JVM.
* If there is an error reading the configuration file, the configuration process
* proceeds as if the {@code java.xml.config.file} property was not set.
* Implementations may optionally issue a warning message.
*
* <h3 id="PP">Property Precedence</h3>
* JAXP properties can be set in multiple ways, including by API methods, system
* properties, and the <a href="#Conf_CF">JAXP Configuration File</a>. When not
* explicitly set, they will be initialized with default values or more restrictive
* values when
* {@link javax.xml.XMLConstants#FEATURE_SECURE_PROCESSING FEATURE_SECURE_PROCESSING}
* (FSP) is enabled. The configuration order of precedence for properties is as
* follows, from highest to lowest:
*
* <ul>
* <li><p>
* The APIs for factories or processors
* </li>
* <li><p>
* System Property
* </li>
* <li><p>
* User-defined <a href="#Conf_CF">Configuration File</a>
* </li>
* <li><p>
* The default JAXP Configuration File <a href="#Conf_CF_Default">{@code jaxp.properties}</a>
* </li>
* <li><p>
* The default values for JAXP Properties. If the
* {@link javax.xml.XMLConstants#FEATURE_SECURE_PROCESSING FSP} is true,
* the default values will be set to process XML securely.
* </li>
* </ul>
*
* Using the {@link javax.xml.catalog.CatalogFeatures CatalogFeatures}' RESOLVE
* property as an example, the following illustrates how these rules are applied:
* <ul>
* <li><p>
* Properties specified with factory or processor APIs have the highest
* precedence. The following code effectively sets the RESOLVE property to
* {@code strict}, regardless of settings in any other configuration sources.
*
* {@snippet :
* DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
* dbf.setAttribute(CatalogFeatures.Feature.RESOLVE.getPropertyName(), "strict");
* }
*
* </li>
* <li><p>
* If the property is not set on the factory as in the above code, a
* system property setting will be in effect.
* {@snippet :
* // in the following example, the RESOLVE property is set to 'continue'
* // for the entire application
* java -Djavax.xml.catalog.resolve=continue myApp
* }
* </li>
* <li><p>
* If the property is not set on the factory, or using a system property,
* the setting in a configuration file will take effect. The following entry
* sets the property to '{@code continue}'.
* {@snippet :
* javax.xml.catalog.resolve=continue
* }
*
* </li>
* <li><p>
* If the property is not set anywhere, it will be resolved to its
* default value that is '{@code strict}'.
* </li>
* </ul>
*
* <h2 id="LookupMechanism">JAXP Lookup Mechanism</h2>
* JAXP defines an ordered lookup procedure to determine the implementation class
* to load for the JAXP factories. Factories that support the mechanism are listed
* in the table below along with the method, System Property, and System
* Default method to be used in the procedure.
*
* <table class="plain" id="Factories">
* <caption>JAXP Factories</caption>
* <thead>
* <tr>
* <th scope="col">Factory</th>
* <th scope="col">Method</th>
* <th scope="col">System Property</th>
* <th scope="col">System Default</th>
* </tr>
* </thead>
*
* <tbody>
* <tr>
* <th scope="row" style="font-weight:normal" id="DATA">
* {@link javax.xml.datatype.DatatypeFactory DatatypeFactory}
* </th>
* <td style="text-align:center">{@link javax.xml.datatype.DatatypeFactory#newInstance() newInstance()}</td>
* <td style="text-align:center">{@code javax.xml.datatype.DatatypeFactory}</td>
* <td style="text-align:center">{@link javax.xml.datatype.DatatypeFactory#newDefaultInstance() newDefaultInstance()}</td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="DOM">
* {@link javax.xml.parsers.DocumentBuilderFactory DocumentBuilderFactory}
* </th>
* <td style="text-align:center">{@link javax.xml.parsers.DocumentBuilderFactory#newInstance() newInstance()}</td>
* <td style="text-align:center">{@code javax.xml.parsers.DocumentBuilderFactory}</td>
* <td style="text-align:center">{@link javax.xml.parsers.DocumentBuilderFactory#newDefaultInstance() newDefaultInstance()}</td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="SAX">
* {@link javax.xml.parsers.SAXParserFactory SAXParserFactory}
* </th>
* <td style="text-align:center">{@link javax.xml.parsers.SAXParserFactory#newInstance() newInstance()}</td>
* <td style="text-align:center">{@code javax.xml.parsers.SAXParserFactory}</td>
* <td style="text-align:center">{@link javax.xml.parsers.SAXParserFactory#newDefaultInstance() newDefaultInstance()}</td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="StAXEvent">
* {@link javax.xml.stream.XMLEventFactory XMLEventFactory}
* </th>
* <td style="text-align:center">{@link javax.xml.stream.XMLEventFactory#newFactory() newFactory()}</td>
* <td style="text-align:center">{@code javax.xml.stream.XMLEventFactory}</td>
* <td style="text-align:center">{@link javax.xml.stream.XMLEventFactory#newDefaultFactory() newDefaultFactory()}</td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="StAXInput">
* {@link javax.xml.stream.XMLInputFactory XMLInputFactory}
* </th>
* <td style="text-align:center">{@link javax.xml.stream.XMLInputFactory#newFactory() newFactory()}</td>
* <td style="text-align:center">{@code javax.xml.stream.XMLInputFactory}</td>
* <td style="text-align:center">{@link javax.xml.stream.XMLInputFactory#newDefaultFactory() newDefaultFactory()}</td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="StAXOutput">
* {@link javax.xml.stream.XMLOutputFactory XMLOutputFactory}
* </th>
* <td style="text-align:center">{@link javax.xml.stream.XMLOutputFactory#newFactory() newFactory()}</td>
* <td style="text-align:center">{@code javax.xml.stream.XMLOutputFactory}</td>
* <td style="text-align:center">{@link javax.xml.stream.XMLOutputFactory#newDefaultFactory() newDefaultFactory()}</td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="XSLT">
* {@link javax.xml.transform.TransformerFactory TransformerFactory}
* </th>
* <td style="text-align:center">{@link javax.xml.transform.TransformerFactory#newInstance() newInstance()}</td>
* <td style="text-align:center">{@code javax.xml.transform.TransformerFactory}</td>
* <td style="text-align:center">{@link javax.xml.transform.TransformerFactory#newDefaultInstance() newDefaultInstance()}</td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="Validation">
* {@link javax.xml.validation.SchemaFactory SchemaFactory}
* </th>
* <td style="text-align:center">{@link javax.xml.validation.SchemaFactory#newInstance(java.lang.String) newInstance(schemaLanguage)}</td>
* <td style="text-align:center">{@code javax.xml.validation.SchemaFactory:}<i>schemaLanguage</i>[1]</td>
* <td style="text-align:center">{@link javax.xml.validation.SchemaFactory#newDefaultInstance() newDefaultInstance()}</td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="XPath">
* {@link javax.xml.xpath.XPathFactory XPathFactory}
* </th>
* <td style="text-align:center">{@link javax.xml.xpath.XPathFactory#newInstance(java.lang.String) newInstance(uri)}</td>
* <td style="text-align:center">{@link javax.xml.xpath.XPathFactory#DEFAULT_PROPERTY_NAME DEFAULT_PROPERTY_NAME} + ":uri"[2]</td>
* <td style="text-align:center">{@link javax.xml.xpath.XPathFactory#newDefaultInstance() newDefaultInstance()}</td>
* </tr>
* </tbody>
* </table>
*
* <b>[1]</b> where <i>schemaLanguage</i> is the parameter to the
* {@link javax.xml.validation.SchemaFactory#newInstance(java.lang.String) newInstance(schemaLanguage)}
* method.
* <p>
* <b>[2]</b> where <i>uri</i> is the parameter to the
* {@link javax.xml.xpath.XPathFactory#newInstance(java.lang.String) newInstance(uri)}
* method.
*
* <h3 id="LookupProcedure">Lookup Procedure</h3>
* The order of precedence for locating the implementation class of a
* <a href="#Factories">JAXP Factory</a> is as follows, from highest to lowest:
* <ul>
* <li>
* The system property as listed in the column System Property of the table
* <a href="#Factories">JAXP Factories</a> above
* </li>
* <li>
* <p>
* The <a href="#Conf_CF">Configuration File</a>
* </li>
* <li>
* <p>
* The service-provider loading facility, defined by the
* {@link java.util.ServiceLoader} class, to attempt to locate and load an
* implementation of the service using the {@linkplain
* java.util.ServiceLoader#load(java.lang.Class) default loading mechanism}:
* the service-provider loading facility will use the {@linkplain
* java.lang.Thread#getContextClassLoader() current thread's context class loader}
* to attempt to load the service. If the context class
* loader is null, the {@linkplain
* ClassLoader#getSystemClassLoader() system class loader} will be used.
*
* <h3>{@link javax.xml.validation.SchemaFactory SchemaFactory}</h3>
* In case of the {@link javax.xml.validation.SchemaFactory SchemaFactory},
* each potential service provider is required to implement the method
* {@link javax.xml.validation.SchemaFactory#isSchemaLanguageSupported(java.lang.String)
* isSchemaLanguageSupported(String schemaLanguage)}.
* The first service provider found that supports the specified schema language
* is returned.
*
* <h3>{@link javax.xml.xpath.XPathFactory XPathFactory}</h3>
* In case of the {@link javax.xml.xpath.XPathFactory XPathFactory},
* each potential service provider is required to implement the method
* {@link javax.xml.xpath.XPathFactory#isObjectModelSupported(String objectModel)
* isObjectModelSupported(String objectModel)}.
* The first service provider found that supports the specified object model is
* returned.
* </li>
* <li>
* <p>
* Otherwise, the {@code system-default} implementation is returned, which is
* equivalent to calling the {@code newDefaultInstance() or newDefaultFactory()}
* method as shown in column System Default of the table
* <a href="#Factories">JAXP Factories</a> above.
*
* <h3>{@link javax.xml.validation.SchemaFactory SchemaFactory}</h3>
* In case of the {@link javax.xml.validation.SchemaFactory SchemaFactory},
* there must be a {@linkplain javax.xml.validation.SchemaFactory#newDefaultInstance()
* platform default} {@code SchemaFactory} for W3C XML Schema.
*
* <h3>{@link javax.xml.xpath.XPathFactory XPathFactory}</h3>
* In case of the {@link javax.xml.xpath.XPathFactory XPathFactory},
* there must be a
* {@linkplain javax.xml.xpath.XPathFactory#newDefaultInstance() platform default}
* {@code XPathFactory} for the W3C DOM, i.e.
* {@link javax.xml.xpath.XPathFactory#DEFAULT_OBJECT_MODEL_URI DEFAULT_OBJECT_MODEL_URI}.
* </li>
* </ul>
*
*
* <div id="implNote"></div>
* @implNote
*
* <ul>
* <li><a href="#IN_ISFP">Implementation Specific Properties</a>
* <ul>
* <li><a href="#Processor">Processor Support</a></li>
* <li><a href="#IN_ISFPtable">List of Implementation Specific Properties</a></li>
* <li><a href="#IN_Legacy">Legacy Property Names (deprecated)</a></li>
* </ul>
* </li>
* </ul>
*
* <h2 id="IN_ISFP">Implementation Specific Properties</h2>
* In addition to the standard <a href="#Conf_Properties">JAXP Properties</a>,
* the JDK implementation supports a number of implementation specific properties
* whose name is prefixed by "{@code jdk.xml.}". These properties also follow the
* configuration process as defined in the <a href="#Conf">Configuration</a> section.
* <p>
* Refer to the <a href="#Properties">Implementation Specific Properties</a> table
* for the list of properties supported by the JDK implementation.
*
* <h3 id="Processor">Processor Support</h3>
* The properties may be supported by one or more processors as listed in the table
* below. Depending on the type of the property, they may be set via
* Method 1: setAttribute/Parameter/Property or 2: setFeature as illustrated
* in the relevant columns.
*
* <table class="plain" id="Processors">
* <caption>Processors</caption>
* <thead>
* <tr>
* <th scope="col">ID</th>
* <th scope="col">Name</th>
* <th scope="col">Method 1: setAttribute/Parameter/Property</th>
* <th scope="col">Method 2: setFeature</th>
* </tr>
* </thead>
*
* <tbody>
* <tr>
* <th scope="row" style="font-weight:normal" id="DOM">DOM</th>
* <td style="text-align:center">DOM Parser</td>
* <td>
* {@code DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();}<br>
* {@code dbf.setAttribute(name, value);}
* </td>
* <td>
* {@code DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();}<br>
* {@code dbf.setFeature(name, value);}
* </td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="SAX">SAX</th>
* <td style="text-align:center">SAX Parser</td>
* <td>
* {@code SAXParserFactory spf = SAXParserFactory.newInstance();}<br>
* {@code SAXParser parser = spf.newSAXParser();}<br>
* {@code parser.setProperty(name, value);}
* </td>
* <td>
* {@code SAXParserFactory spf = SAXParserFactory.newInstance();}<br>
* {@code spf.setFeature(name, value);}<br>
* </td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="StAX">StAX</th>
* <td style="text-align:center">StAX Parser</td>
* <td>
* {@code XMLInputFactory xif = XMLInputFactory.newInstance();}<br>
* {@code xif.setProperty(name, value);}
* </td>
* <td>
* {@code XMLInputFactory xif = XMLInputFactory.newInstance();}<br>
* {@code xif.setProperty(name, value);}
* </td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="Validation">Validation</th>
* <td style="text-align:center">XML Validation API</td>
* <td>
* {@code SchemaFactory schemaFactory = SchemaFactory.newInstance(schemaLanguage);}<br>
* {@code schemaFactory.setProperty(name, value);}
* </td>
* <td>
* {@code SchemaFactory schemaFactory = SchemaFactory.newInstance(schemaLanguage);}<br>
* {@code schemaFactory.setFeature(name, value);}
* </td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="Transform">Transform</th>
* <td style="text-align:center">XML Transform API</td>
* <td>
* {@code TransformerFactory factory = TransformerFactory.newInstance();}<br>
* {@code factory.setAttribute(name, value);}
* </td>
* <td>
* {@code TransformerFactory factory = TransformerFactory.newInstance();}<br>
* {@code factory.setFeature(name, value);}
* </td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="XSLTCSerializer">XSLTC Serializer</th>
* <td style="text-align:center">XSLTC Serializer</td>
* <td>
* {@code Transformer transformer = TransformerFactory.newInstance().newTransformer();}<br>
* {@code transformer.setOutputProperty(name, value);}
* </td>
* <td>
* </td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="DOMLS">DOMLS</th>
* <td style="text-align:center">DOM Load and Save</td>
* <td>
* {@code LSSerializer serializer = domImplementation.createLSSerializer();} <br>
* {@code serializer.getDomConfig().setParameter(name, value);}
* </td>
* <td>
* </td>
* </tr>
* <tr>
* <th scope="row" style="font-weight:normal" id="XPATH">XPath</th>
* <td style="text-align:center">XPath</td>
* <td>
* {@code XPathFactory factory = XPathFactory.newInstance();}<br>
* {@code factory.setProperty(name, value);}
* </td>
* <td>
* {@code XPathFactory factory = XPathFactory.newInstance();} <br>
* {@code factory.setFeature(name, value);}
* </td>
* </tr>
* </tbody>
* </table>
*
* <div id="IN_ISFPtable"></div>
* <table class="striped" id="Properties">
* <caption>Implementation Specific Properties</caption>
* <thead>
* <tr>
* <th scope="col" rowspan="2">Full Name (prefix {@code jdk.xml.})
* <a href="#Note1">[1]</a></th>
* <th scope="col" rowspan="2">Description</th>
* <th scope="col" rowspan="2">System Property <a href="#Note2">[2]</a></th>
* <th scope="col" colspan="4" style="text-align:center">Value <a href="#Note3">[3]</a></th>
* <th scope="col" rowspan="2">Security <a href="#Note4">[4]</a></th>
* <th scope="col" colspan="2">Supported Processor <a href="#Note5">[5]</a></th>
* <th scope="col" rowspan="2">Since <a href="#Note6">[6]</a></th>
* </tr>
* <tr>
* <th scope="col">Type</th>
* <th scope="col">Value</th>
* <th scope="col">Default</th>
* <th scope="col">Enforced</th>
* <th scope="col">ID</th>
* <th scope="col">Set Method</th>
* </tr>
* </thead>
*
* <tbody>
*
* <tr>
* <td id="EELimit">{@systemProperty jdk.xml.entityExpansionLimit}</td>
* <td>Limits the number of entity expansions.
* </td>
* <td style="text-align:center" rowspan="11">yes</td>
* <td style="text-align:center" rowspan="9">Integer</td>
* <td rowspan="9">
* A positive integer. A value less than or equal to 0 indicates no limit.
* If the value is not an integer, a NumberFormatException is thrown.
* </td>
* <td style="text-align:center">64000</td>
* <td style="text-align:center">64000</td>
* <td style="text-align:center" rowspan="9">Yes</td>
* <td style="text-align:center" rowspan="9">
* <a href="#DOM">DOM</a><br>
* <a href="#SAX">SAX</a><br>
* <a href="#StAX">StAX</a><br>
* <a href="#Validation">Validation</a><br>
* <a href="#Transform">Transform</a>
* </td>
* <td style="text-align:center" rowspan="16"><a href="#Processor">Method 1</a></td>
* <td style="text-align:center" rowspan="9">8</td>
* </tr>
* <tr>
* <td id="EALimit">{@systemProperty jdk.xml.elementAttributeLimit}</td>
* <td>Limits the number of attributes an element can have.
* </td>
* <td style="text-align:center">10000</td>
* <td style="text-align:center">10000</td>
* </tr>
* <tr>
* <td id="OccurLimit">{@systemProperty jdk.xml.maxOccurLimit}</td>
* <td>Limits the number of content model nodes that may be created when building
* a grammar for a W3C XML Schema that contains maxOccurs attributes with values
* other than "unbounded".
* </td>
* <td style="text-align:center">5000</td>
* <td style="text-align:center">5000</td>
* </tr>
* <tr>
* <td id="SizeLimit">{@systemProperty jdk.xml.totalEntitySizeLimit}</td>
* <td>Limits the total size of all entities that include general and parameter
* entities. The size is calculated as an aggregation of all entities.
* </td>
* <td style="text-align:center">5x10^7</td>
* <td style="text-align:center">5x10^7</td>
* </tr>
* <tr>
* <td id="GELimit">{@systemProperty jdk.xml.maxGeneralEntitySizeLimit}</td>
* <td>Limits the maximum size of any general entities.
* </td>
* <td style="text-align:center">0</td>
* <td style="text-align:center">0</td>
* </tr>
* <tr>
* <td id="PELimit">{@systemProperty jdk.xml.maxParameterEntitySizeLimit}</td>
* <td>Limits the maximum size of any parameter entities, including the result
* of nesting multiple parameter entities.
* </td>
* <td style="text-align:center">10^6</td>
* <td style="text-align:center">10^6</td>
* </tr>
* <tr>
* <td id="ERLimit">{@systemProperty jdk.xml.entityReplacementLimit}</td>
* <td>Limits the total number of nodes in all entity references.
* </td>
* <td style="text-align:center">3x10^6</td>
* <td style="text-align:center">3x10^6</td>
* </tr>
* <tr>
* <td id="ElementDepth">{@systemProperty jdk.xml.maxElementDepth}</td>
* <td>Limits the maximum element depth.
* </td>
* <td style="text-align:center">0</td>
* <td style="text-align:center">0</td>
* </tr>
* <tr>
* <td id="NameLimit">{@systemProperty jdk.xml.maxXMLNameLimit}</td>
* <td>Limits the maximum size of XML names, including element name, attribute
* name and namespace prefix and URI.
* </td>
* <td style="text-align:center">1000</td>
* <td style="text-align:center">1000</td>
* </tr>
*
* <tr>
* <td id="ISSTANDALONE">{@systemProperty jdk.xml.isStandalone}</td>
* <td>Indicates that the serializer should treat the output as a
* standalone document. The property can be used to ensure a newline is written
* after the XML declaration. Unlike the property
* {@link org.w3c.dom.ls.LSSerializer#getDomConfig() xml-declaration}, this property
* does not have an effect on whether an XML declaration should be written out.
* </td>
* <td style="text-align:center">boolean</td>
* <td style="text-align:center">true/false</td>
* <td style="text-align:center">false</td>
* <td style="text-align:center">N/A</td>
* <td style="text-align:center">No</td>
* <td style="text-align:center"><a href="#DOMLS">DOMLS</a></td>
* <td style="text-align:center">17</td>
* </tr>
* <tr>
* <td id="XSLTCISSTANDALONE">{@systemProperty jdk.xml.xsltcIsStandalone}</td>
* <td>Indicates that the <a href="#XSLTCSerializer">XSLTC serializer</a> should
* treat the output as a standalone document. The property can be used to ensure
* a newline is written after the XML declaration. Unlike the property
* {@link javax.xml.transform.OutputKeys#OMIT_XML_DECLARATION OMIT_XML_DECLARATION},
* this property does not have an effect on whether an XML declaration should be
* written out.
* <p>
* This property behaves similar to that for <a href="#DOMLS">DOMLS</a> above,
* except that it is for the <a href="#XSLTCSerializer">XSLTC Serializer</a>
* and its value is a String.
* </td>
* <td style="text-align:center">String</td>
* <td style="text-align:center">yes/no</td>
* <td style="text-align:center">no</td>
* <td style="text-align:center">N/A</td>
* <td style="text-align:center">No</td>
* <td style="text-align:center"><a href="#XSLTCSerializer">XSLTC Serializer</a></td>
* <td style="text-align:center">17</td>
* </tr>
* <tr>
* <td id="cdataChunkSize">{@systemProperty jdk.xml.cdataChunkSize}</td>
* <td>Instructs the parser to return the data in a CData section in a single chunk
* when the property is zero or unspecified, or in multiple chunks when it is greater
* than zero. The parser shall split the data by linebreaks, and any chunks that are
* larger than the specified size to ones that are equal to or smaller than the size.
* </td>
* <td style="text-align:center">yes</td>
* <td style="text-align:center">Integer</td>
* <td>A positive integer. A value less than
* or equal to 0 indicates that the property is not specified. If the value is not
* an integer, a NumberFormatException is thrown.</td>
* <td style="text-align:center">0</td>
* <td style="text-align:center">N/A</td>
* <td style="text-align:center">No</td>
* <td style="text-align:center"><a href="#SAX">SAX</a><br><a href="#StAX">StAX</a></td>
* <td style="text-align:center">9</td>
* </tr>
* <tr>
* <td id="extensionClassLoader">jdk.xml.extensionClassLoader</td>
* <td>Sets a non-null ClassLoader instance to be used for loading XSLTC java
* extension functions.
* </td>
* <td style="text-align:center">no</td>
* <td style="text-align:center">Object</td>
* <td>A reference to a ClassLoader object. Null if the value is not specified.</td>
* <td style="text-align:center">null</td>
* <td style="text-align:center">N/A</td>
* <td style="text-align:center">No</td>
* <td style="text-align:center"><a href="#Transform">Transform</a></td>
* <td style="text-align:center">9</td>
* </tr>
* <tr>
* <td id="xpathExprGrpLimit">jdk.xml.xpathExprGrpLimit</td>
* <td>Limits the number of groups an XPath expression can contain.
* </td>
* <td style="text-align:center" rowspan="3">yes</td>
* <td style="text-align:center" rowspan="3">Integer</td>
* <td rowspan="3">A positive integer. A value less than or equal to 0 indicates no limit.
* If the value is not an integer, a NumberFormatException is thrown. </td>
* <td style="text-align:center">10</td>
* <td style="text-align:center">10</td>
* <td style="text-align:center" rowspan="3">Yes</td>
* <td style="text-align:center" rowspan="2">
* <a href="#Transform">Transform</a><br>
* <a href="#XPath">XPath</a>
* </td>
* <td style="text-align:center" rowspan="3">19</td>
* </tr>
* <tr>
* <td id="xpathExprOpLimit">jdk.xml.xpathExprOpLimit</td>
* <td>Limits the number of operators an XPath expression can contain.
* </td>
* <td style="text-align:center">100</td>
* <td style="text-align:center">100</td>
* </tr>
* <tr>
* <td id="xpathTotalOpLimit">jdk.xml.xpathTotalOpLimit</td>
* <td>Limits the total number of XPath operators in an XSL Stylesheet.
* </td>
* <td style="text-align:center">10000</td>
* <td style="text-align:center">10000</td>
* <td style="text-align:center">
* <a href="#Transform">Transform</a><br>
* </td>
* </tr>
* <tr>
* <td id="ExtFunc">{@systemProperty jdk.xml.enableExtensionFunctions}</td>
* <td>Determines if XSLT and XPath extension functions are to be allowed.
* </td>
* <td style="text-align:center" rowspan="3">yes</td>
* <td style="text-align:center" rowspan="3">Boolean</td>
* <td>
* true or false. True indicates that extension functions are allowed; False otherwise.
* </td>
* <td style="text-align:center">true</td>
* <td style="text-align:center">false</td>
* <td style="text-align:center">Yes</td>
* <td style="text-align:center">
* <a href="#Transform">Transform</a><br>
* <a href="#XPAth">XPath</a>
* </td>
* <td style="text-align:center"><a href="#Processor">Method 2</a></td>
* <td style="text-align:center">8</td>
* </tr>
* <tr>
* <td id="ORParser">{@systemProperty jdk.xml.overrideDefaultParser}</td>
* <td>Enables the use of a 3rd party's parser implementation to override the
* system-default parser for the JDK's Transform, Validation and XPath implementations.
* </td>
* <td>
* true or false. True enables the use of 3rd party's parser implementations
* to override the system-default implementation during XML Transform, Validation
* or XPath operation. False disables the use of 3rd party's parser
* implementations.
* </td>
* <td style="text-align:center">false</td>
* <td style="text-align:center">false</td>
* <td style="text-align:center">Yes</td>
* <td style="text-align:center">
* <a href="#Transform">Transform</a><br>
* <a href="#Validation">Validation</a><br>
* <a href="#XPAth">XPath</a>
* </td>
* <td style="text-align:center"><a href="#Processor">Method 2</a></td>
* <td style="text-align:center">9</td>
* </tr>
* <tr>
* <td id="symbolTable">{@systemProperty jdk.xml.resetSymbolTable}</td>
* <td>Instructs the parser to reset its internal symbol table during each parse operation.
* </td>
* <td>
* true or false. True indicates that the SymbolTable associated with a parser needs to be
* reallocated during each parse operation.<br>
* False indicates that the parser's SymbolTable instance shall be reused
* during subsequent parse operations.
* </td>
* <td style="text-align:center">false</td>
* <td style="text-align:center">N/A</td>
* <td style="text-align:center">No</td>
* <td style="text-align:center">
* <a href="#SAX">SAX</a>
* </td>
* <td style="text-align:center"><a href="#Processor">Method 2</a></td>
* <td style="text-align:center">9</td>
* </tr>
* </tbody>
* </table>
* <p id="Note1">
* <b>[1]</b> The full name of a property should be used to set the property.
* <p id="Note2">
* <b>[2]</b> A value "yes" indicates there is a corresponding System Property
* for the property, "no" otherwise. The name of the System Property is the same
* as that of the property.
*
* <p id="Note3">
* <b>[3]</b> The value must be exactly as listed in this table, case-sensitive.
* The value of the corresponding System Property is the String representation of
* the property value. If the type is boolean, the system property is true only
* if it is "true"; If the type is String, the system property is true only if
* it is exactly the same string representing the positive value (e.g. "yes" for
* {@code xsltcIsStandalone}); The system property is false otherwise. If the type
* is Integer, the value of the System Property is the String representation of
* the value (e.g. "64000" for {@code entityExpansionLimit}).
*
* <p id="Note4">
* <b>[4]</b> A value "yes" indicates the property is a Security Property. As indicated
* in the <a href="#PP">Property Precedence</a>, the values listed in the column
* {@code enforced} will be used to initialize these properties when
* {@link javax.xml.XMLConstants#FEATURE_SECURE_PROCESSING FSP} is true.
*
* <p id="Note5">
* <b>[5]</b> One or more processors that support the property. The IDs and Set Method
* are as shown in the table <a href="#Processor">Processors</a>.
* <p id="Note6">
* <b>[6]</b> Indicates the initial release the property is introduced.
*
* <h3 id="IN_Legacy">Legacy Property Names (deprecated)</h3>
* JDK releases prior to JDK 17 support the use of URI style prefix for properties.
* These legacy property names are <b>deprecated</b> as of JDK 17 and may be removed
* in future releases. If both new and legacy properties are set, the new property
* names take precedence regardless of how and where they are set. The overriding order
* as defined in <a href="#PropPrec">Property Precedence</a> thus becomes:
*
* <ul>
* <li>Value set on factories or processors using new property names.</li>
* <li>Value set on factories or processors using <b>legacy property names</b>;</li>
* <li>Value set as System Property;</li>
* <li>Value set in the configuration file;</li>
* <li>Value set by FEATURE_SECURE_PROCESSING;</li>
* <li>The default value;</li>
* </ul>
* <p>
* The following table lists the properties and their corresponding legacy names.
*
* <table class="striped" id="LegacyProperties">
* <caption>Legacy Property Names (deprecated since 17)</caption>
* <thead>
* <tr>
* <th>Property</th>
* <th>Legacy Property Name(s)</th>
* </tr>
* </thead>
* <tbody>
* <tr>
* <td>{@systemProperty jdk.xml.entityExpansionLimit}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/entityExpansionLimit}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.elementAttributeLimit}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/elementAttributeLimit}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.maxOccurLimit}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/maxOccurLimit}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.totalEntitySizeLimit}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/totalEntitySizeLimit}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.maxGeneralEntitySizeLimit}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/maxGeneralEntitySizeLimit}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.maxParameterEntitySizeLimit}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/maxParameterEntitySizeLimit}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.entityReplacementLimit}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/entityReplacementLimit}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.maxElementDepth}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/maxElementDepth}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.maxXMLNameLimit}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/maxXMLNameLimit}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.isStandalone}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/isStandalone}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.xsltcIsStandalone}</td>
* <td>{@code http://www.oracle.com/xml/is-standalone}<br>
* {@code http://www.oracle.com/xml/jaxp/properties/xsltcIsStandalone}</td>
* </tr>
* <tr>
* <td>{@code jdk.xml.extensionClassLoader}</td>
* <td>{@code jdk.xml.transform.extensionClassLoader}</td>
* </tr>
* <tr>
* <td>{@systemProperty jdk.xml.enableExtensionFunctions}</td>
* <td>{@code http://www.oracle.com/xml/jaxp/properties/enableExtensionFunctions}</td>
* </tr>
* </tbody>
* </table>
*
* @uses javax.xml.datatype.DatatypeFactory
* @uses javax.xml.parsers.DocumentBuilderFactory
* @uses javax.xml.parsers.SAXParserFactory
* @uses javax.xml.stream.XMLEventFactory
* @uses javax.xml.stream.XMLInputFactory
* @uses javax.xml.stream.XMLOutputFactory
* @uses javax.xml.transform.TransformerFactory
* @uses javax.xml.validation.SchemaFactory
* @uses javax.xml.xpath.XPathFactory
* @uses org.xml.sax.XMLReader
*
* @moduleGraph
* @since 9
*/
module java.xml {
exports javax.xml;
exports javax.xml.catalog;
exports javax.xml.datatype;
exports javax.xml.namespace;
exports javax.xml.parsers;
exports javax.xml.stream;
exports javax.xml.stream.events;
exports javax.xml.stream.util;
exports javax.xml.transform;
exports javax.xml.transform.dom;
exports javax.xml.transform.sax;
exports javax.xml.transform.stax;
exports javax.xml.transform.stream;
exports javax.xml.validation;
exports javax.xml.xpath;
exports org.w3c.dom;
exports org.w3c.dom.bootstrap;
exports org.w3c.dom.events;
exports org.w3c.dom.ls;
exports org.w3c.dom.ranges;
exports org.w3c.dom.traversal;
exports org.w3c.dom.views;
exports org.xml.sax;
exports org.xml.sax.ext;
exports org.xml.sax.helpers;
exports com.sun.org.apache.xml.internal.dtm to
java.xml.crypto;
exports com.sun.org.apache.xml.internal.utils to
java.xml.crypto;
exports com.sun.org.apache.xpath.internal to
java.xml.crypto;
exports com.sun.org.apache.xpath.internal.compiler to
java.xml.crypto;
exports com.sun.org.apache.xpath.internal.functions to
java.xml.crypto;
exports com.sun.org.apache.xpath.internal.objects to
java.xml.crypto;
exports com.sun.org.apache.xpath.internal.res to
java.xml.crypto;
uses javax.xml.datatype.DatatypeFactory;
uses javax.xml.parsers.DocumentBuilderFactory;
uses javax.xml.parsers.SAXParserFactory;
uses javax.xml.stream.XMLEventFactory;
uses javax.xml.stream.XMLInputFactory;
uses javax.xml.stream.XMLOutputFactory;
uses javax.xml.transform.TransformerFactory;
uses javax.xml.validation.SchemaFactory;
uses javax.xml.xpath.XPathFactory;
uses org.xml.sax.XMLReader;
}