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xml-commons External Source Code Files
xml-commons External Source Code Files are provided in the source package file, xml-commons-external-1.4.01-src.zip.
You can download xml-commons-external-1.4.01-src.zip as described in the previous tutorial
You can also browse xml-commons External Source Code below:
✍: FYIcenter
⏎ javax/xml/parsers/SAXParserFactory.java
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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. */ // $Id: SAXParserFactory.java 884950 2009-11-27 18:46:18Z mrglavas $ package javax.xml.parsers; import javax.xml.validation.Schema; import org.xml.sax.SAXException; import org.xml.sax.SAXNotRecognizedException; import org.xml.sax.SAXNotSupportedException; /** * Defines a factory API that enables applications to configure and * obtain a SAX based parser to parse XML documents. * * @author <a href="Jeff.Suttor@Sun.com">Jeff Suttor</a> * @version $Revision: 884950 $, $Date: 2009-11-27 13:46:18 -0500 (Fri, 27 Nov 2009) $ */ public abstract class SAXParserFactory { /** * <p>Should Parsers be validating?</p> */ private boolean validating = false; /** * <p>Should Parsers be namespace aware?</p> */ private boolean namespaceAware = false; /** * <p>Protected constructor to force use of {@link #newInstance()}.</p> */ protected SAXParserFactory () { } /** * Obtain a new instance of a <code>SAXParserFactory</code>. This * static method creates a new factory instance * This method uses the following ordered lookup procedure to determine * the <code>SAXParserFactory</code> implementation class to * load: * <ul> * <li> * Use the <code>javax.xml.parsers.SAXParserFactory</code> system * property. * </li> * <li> * Use the properties file "lib/jaxp.properties" in the JRE directory. * This configuration file is in standard <code>java.util.Properties * </code> format and contains the fully qualified name of the * implementation class with the key being the system property defined * above. * * The jaxp.properties file is read only once by the JAXP implementation * and it's values are then cached for future use. If the file does not exist * when the first attempt is made to read from it, no further attempts are * made to check for its existence. It is not possible to change the value * of any property in jaxp.properties after it has been read for the first time. * </li> * <li> * Use the Services API (as detailed in the JAR specification), if * available, to determine the classname. The Services API will look * for a classname in the file * <code>META-INF/services/javax.xml.parsers.SAXParserFactory</code> * in jars available to the runtime. * </li> * <li> * Platform default <code>SAXParserFactory</code> instance. * </li> * </ul> * * Once an application has obtained a reference to a * <code>SAXParserFactory</code> it can use the factory to * configure and obtain parser instances. * * * * <h2>Tip for Trouble-shooting</h2> * <p>Setting the <code>jaxp.debug</code> system property will cause * this method to print a lot of debug messages * to <tt>System.err</tt> about what it is doing and where it is looking at.</p> * * <p> If you have problems loading {@link SAXParser}s, try:</p> * <pre> * java -Djaxp.debug=1 YourProgram .... * </pre> * * * @return A new instance of a SAXParserFactory. * * @exception FactoryConfigurationError if the implementation is * not available or cannot be instantiated. */ public static SAXParserFactory newInstance() { try { return (SAXParserFactory) FactoryFinder.find( /* The default property name according to the JAXP spec */ "javax.xml.parsers.SAXParserFactory", /* The fallback implementation class name */ "org.apache.xerces.jaxp.SAXParserFactoryImpl"); } catch (FactoryFinder.ConfigurationError e) { throw new FactoryConfigurationError(e.getException(), e.getMessage()); } } /** * @return A new instance of a SAXParserFactory. * * @exception FactoryConfigurationError if the implementation is * not available or cannot be instantiated. */ public static SAXParserFactory newInstance(String factoryClassName, ClassLoader classLoader) { if (factoryClassName == null) { throw new FactoryConfigurationError("factoryClassName cannot be null."); } if (classLoader == null) { classLoader = SecuritySupport.getContextClassLoader(); } try { return (SAXParserFactory) FactoryFinder.newInstance(factoryClassName, classLoader, false); } catch (FactoryFinder.ConfigurationError e) { throw new FactoryConfigurationError(e.getException(), e.getMessage()); } } /** * <p>Creates a new instance of a SAXParser using the currently * configured factory parameters.</p> * * @return A new instance of a SAXParser. * * @exception ParserConfigurationException if a parser cannot * be created which satisfies the requested configuration. * @exception SAXException for SAX errors. */ public abstract SAXParser newSAXParser() throws ParserConfigurationException, SAXException; /** * Specifies that the parser produced by this code will * provide support for XML namespaces. By default the value of this is set * to <code>false</code>. * * @param awareness true if the parser produced by this code will * provide support for XML namespaces; false otherwise. */ public void setNamespaceAware(boolean awareness) { this.namespaceAware = awareness; } /** * Specifies that the parser produced by this code will * validate documents as they are parsed. By default the value of this is * set to <code>false</code>. * * <p> * Note that "the validation" here means * <a href="http://www.w3.org/TR/REC-xml#proc-types">a validating * parser</a> as defined in the XML recommendation. * In other words, it essentially just controls the DTD validation. * (except the legacy two properties defined in JAXP 1.2. * See <a href="#validationCompatibility">here</a> for more details.) * </p> * * <p> * To use modern schema languages such as W3C XML Schema or * RELAX NG instead of DTD, you can configure your parser to be * a non-validating parser by leaving the {@link #setValidating(boolean)} * method <tt>false</tt>, then use the {@link #setSchema(Schema)} * method to associate a schema to a parser. * </p> * * @param validating true if the parser produced by this code will * validate documents as they are parsed; false otherwise. */ public void setValidating(boolean validating) { this.validating = validating; } /** * Indicates whether or not the factory is configured to produce * parsers which are namespace aware. * * @return true if the factory is configured to produce * parsers which are namespace aware; false otherwise. */ public boolean isNamespaceAware() { return namespaceAware; } /** * Indicates whether or not the factory is configured to produce * parsers which validate the XML content during parse. * * @return true if the factory is configured to produce parsers which validate * the XML content during parse; false otherwise. */ public boolean isValidating() { return validating; } /** * * <p>Sets the particular feature in the underlying implementation of * org.xml.sax.XMLReader. * A list of the core features and properties can be found at * <a href="http://www.saxproject.org/">http://www.saxproject.org/</a></p> * * <p>All implementations are required to support the {@link javax.xml.XMLConstants#FEATURE_SECURE_PROCESSING} feature. * When the feature is</p> * <ul> * <li> * <code>true</code>: the implementation will limit XML processing to conform to implementation limits. * Examples include entity expansion limits and XML Schema constructs that would consume large amounts of resources. * If XML processing is limited for security reasons, it will be reported via a call to the registered * {@link org.xml.sax.ErrorHandler#fatalError(SAXParseException exception)}. * See {@link SAXParser} <code>parse</code> methods for handler specification. * </li> * <li> * When the feature is <code>false</code>, the implementation will processing XML according to the XML specifications without * regard to possible implementation limits. * </li> * </ul> * * @param name The name of the feature to be set. * @param value The value of the feature to be set. * * @exception ParserConfigurationException if a parser cannot * be created which satisfies the requested configuration. * @exception SAXNotRecognizedException When the underlying XMLReader does * not recognize the property name. * @exception SAXNotSupportedException When the underlying XMLReader * recognizes the property name but doesn't support the * property. * @throws NullPointerException If the <code>name</code> parameter is null. * * @see org.xml.sax.XMLReader#setFeature */ public abstract void setFeature(String name, boolean value) throws ParserConfigurationException, SAXNotRecognizedException, SAXNotSupportedException; /** * * <p>Returns the particular property requested for in the underlying * implementation of org.xml.sax.XMLReader.</p> * * @param name The name of the property to be retrieved. * * @return Value of the requested property. * * @exception ParserConfigurationException if a parser cannot be created which satisfies the requested configuration. * @exception SAXNotRecognizedException When the underlying XMLReader does not recognize the property name. * @exception SAXNotSupportedException When the underlying XMLReader recognizes the property name but doesn't support the property. * * @see org.xml.sax.XMLReader#getProperty */ public abstract boolean getFeature(String name) throws ParserConfigurationException, SAXNotRecognizedException, SAXNotSupportedException; /** * Gets the {@link Schema} object specified through * the {@link #setSchema(Schema schema)} method. * * * @throws UnsupportedOperationException * For backward compatibility, when implementations for * earlier versions of JAXP is used, this exception will be * thrown. * * @return * the {@link Schema} object that was last set through * the {@link #setSchema(Schema)} method, or null * if the method was not invoked since a {@link SAXParserFactory} * is created. * * @since 1.5 */ public Schema getSchema() { throw new UnsupportedOperationException( "This parser does not support specification \"" + this.getClass().getPackage().getSpecificationTitle() + "\" version \"" + this.getClass().getPackage().getSpecificationVersion() + "\"" ); } /** * <p>Set the {@link Schema} to be used by parsers created * from this factory.</p> * * <p>When a {@link Schema} is non-null, a parser will use a validator * created from it to validate documents before it passes information * down to the application.</p> * * <p>When warnings/errors/fatal errors are found by the validator, the parser must * handle them as if those errors were found by the parser itself. * In other words, if the user-specified {@link org.xml.sax.ErrorHandler} * is set, it must receive those errors, and if not, they must be * treated according to the implementation specific * default error handling rules. * * <p>A validator may modify the SAX event stream (for example by * adding default values that were missing in documents), and a parser * is responsible to make sure that the application will receive * those modified event stream.</p> * * <p>Initially, <code>null</code> is set as the {@link Schema}.</p> * * <p>This processing will take effect even if * the {@link #isValidating()} method returns <code>false</code>. * * <p>It is an error to use * the <code>http://java.sun.com/xml/jaxp/properties/schemaSource</code> * property and/or the <code>http://java.sun.com/xml/jaxp/properties/schemaLanguage</code> * property in conjunction with a non-null {@link Schema} object. * Such configuration will cause a {@link SAXException} * exception when those properties are set on a {@link SAXParser}.</p> * * <h4>Note for implementors</h4> * <p> * A parser must be able to work with any {@link Schema} * implementation. However, parsers and schemas are allowed * to use implementation-specific custom mechanisms * as long as they yield the result described in the specification. * </p> * * @param schema <code>Schema</code> to use, <code>null</code> to remove a schema. * * @throws UnsupportedOperationException * For backward compatibility, when implementations for * earlier versions of JAXP is used, this exception will be * thrown. * * @since 1.5 */ public void setSchema(Schema schema) { throw new UnsupportedOperationException( "This parser does not support specification \"" + this.getClass().getPackage().getSpecificationTitle() + "\" version \"" + this.getClass().getPackage().getSpecificationVersion() + "\"" ); } /** * <p>Set state of XInclude processing.</p> * * <p>If XInclude markup is found in the document instance, should it be * processed as specified in <a href="http://www.w3.org/TR/xinclude/"> * XML Inclusions (XInclude) Version 1.0</a>.</p> * * <p>XInclude processing defaults to <code>false</code>.</p> * * @param state Set XInclude processing to <code>true</code> or * <code>false</code> * * @throws UnsupportedOperationException * For backward compatibility, when implementations for * earlier versions of JAXP is used, this exception will be * thrown. * * @since 1.5 */ public void setXIncludeAware(final boolean state) { throw new UnsupportedOperationException( "This parser does not support specification \"" + this.getClass().getPackage().getSpecificationTitle() + "\" version \"" + this.getClass().getPackage().getSpecificationVersion() + "\"" ); } /** * <p>Get state of XInclude processing.</p> * * @return current state of XInclude processing * * @throws UnsupportedOperationException * For backward compatibility, when implementations for * earlier versions of JAXP is used, this exception will be * thrown. * * @since 1.5 */ public boolean isXIncludeAware() { throw new UnsupportedOperationException( "This parser does not support specification \"" + this.getClass().getPackage().getSpecificationTitle() + "\" version \"" + this.getClass().getPackage().getSpecificationVersion() + "\"" ); } }
⏎ javax/xml/parsers/SAXParserFactory.java
⇒ Donwload xml-commons-external-1.3.05-bin.zip
⇐ Download and Install xml-commons External Source Package
2009-01-25, 32564👍, 0💬
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