src/javax/xml/parsers/DocumentBuilder.java - xalan-j - Git at Google

 /*
  * The Apache Software License, Version 1.1
  *
  *
  * Copyright (c) 1999 The Apache Software Foundation.  All rights
  * reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * 3. The end-user documentation included with the redistribution,
  *    if any, must include the following acknowledgment:
  *       "This product includes software developed by the
  *        Apache Software Foundation (http://www.apache.org/)."
  *    Alternately, this acknowledgment may appear in the software itself,
  *    if and wherever such third-party acknowledgments normally appear.
  *
  * 4. The names "Xalan" and "Apache Software Foundation" must
  *    not be used to endorse or promote products derived from this
  *    software without prior written permission. For written
  *    permission, please contact apache@apache.org.
  *
  * 5. Products derived from this software may not be called "Apache",
  *    nor may "Apache" appear in their name, without prior written
  *    permission of the Apache Software Foundation.
  *
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  * ====================================================================
  *
  * This software consists of voluntary contributions made by many
  * individuals on behalf of the Apache Software Foundation and was
  * originally based on software copyright (c) 1999, Lotus
  * Development Corporation., http://www.lotus.com.  For more
  * information on the Apache Software Foundation, please see
  * <http://www.apache.org/>.
  */
 /**
  * $Id$
  */
 package javax.xml.parsers;

 import java.io.InputStream;
 import java.io.IOException;
 import java.io.File;

 import org.xml.sax.Parser;
 import org.xml.sax.HandlerBase;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;

 import org.w3c.dom.Document;
 import org.w3c.dom.DOMImplementation;

 /**
  * Defines the API to obtain DOM Document instances from an XML
  * document. Using this class, an application programmer can obtain a
  * <code>org.w3c.dom.Document</code> from XML.<p>
  *
  * An instance of this class can be obtained from the
  * <code>DocumentBuilderFactory.newDocumentBuilder</code> method. Once
  * an instance of this class is obtained, XML can be parsed from a
  * variety of input sources. These input sources are InputStreams,
  * Files, URLs, and SAX InputSources.<p>
  *
  * Note that this class reuses several classes from the SAX API. This
  * does not require that the implementor of the underlying DOM
  * implmenetation use a SAX parser to parse XML document into a
  * <code>Document</code>. It merely requires that the implementation
  * communicate with the application using these existing APIs.
  *
  * @since JAXP 1.0
  * @version 1.0
  */

 public abstract class DocumentBuilder {

     protected DocumentBuilder () {
     }

     /**
      * Parse the content of the given InputStream as an XML document
      * and return a new DOM Document object.
      *
      * @param is InputStream containing the content to be parsed.
      * @exception IOException If any IO errors occur.
      * @exception SAXException If any parse errors occur.
      * @exception IllegalArgumentException If the InputStream is null
      * @see org.xml.sax.DocumentHandler
      */

     public Document parse(InputStream is)
         throws SAXException, IOException
     {
         if (is == null) {
             throw new IllegalArgumentException("InputStream cannot be null");
         }

         InputSource in = new InputSource(is);
         return parse(in);
     }

     /**
      * Parse the content of the given InputStream as an XML document
      * and return a new DOM Document object.
      *
      * @param is InputStream containing the content to be parsed.
      * @param systemId Provide a base for resolving relative URIs.
      * @exception IOException If any IO errors occur.
      * @exception SAXException If any parse errors occur.
      * @exception IllegalArgumentException If the InputStream is null
      * @see org.xml.sax.DocumentHandler
      */

     public Document parse(InputStream is, String systemId)
         throws SAXException, IOException
     {
         if (is == null) {
             throw new IllegalArgumentException("InputStream cannot be null");
         }

         InputSource in = new InputSource(is);
         in.setSystemId(systemId);
         return parse(in);
     }

     /**
      * Parse the content of the given URI as an XML document
      * and return a new DOM Document object.
      *
      * @param uri The location of the content to be parsed.
      * @exception IOException If any IO errors occur.
      * @exception SAXException If any parse errors occur.
      * @exception IllegalArgumentException If the URI is null
      * @see org.xml.sax.DocumentHandler
      */

     public Document parse(String uri)
         throws SAXException, IOException
     {
         if (uri == null) {
             throw new IllegalArgumentException("URI cannot be null");
         }

         InputSource in = new InputSource(uri);
         return parse(in);
     }

     /**
      * Parse the content of the given file as an XML document
      * and return a new DOM Document object.
      *
      * @param f The file containing the XML to parse
      * @exception IOException If any IO errors occur.
      * @exception SAXException If any parse errors occur.
      * @exception IllegalArgumentException If the file is null
      * @see org.xml.sax.DocumentHandler
      */

     public Document parse(File f)
        throws SAXException, IOException
     {
         if (f == null) {
             throw new IllegalArgumentException("File cannot be null");
         }

         String uri = "file:" + f.getAbsolutePath();
         if (File.separatorChar == '\\') {
             uri = uri.replace('\\', '/');
         }
         InputSource in = new InputSource(uri);
         return parse(in);
     }

     /**
      * Parse the content of the given input source as an XML document
      * and return a new DOM Document object.
      *
      * @param is InputSource containing the content to be parsed.
      * @exception IOException If any IO errors occur.
      * @exception SAXException If any parse errors occur.
      * @exception IllegalArgumentException If the InputSource is null
      * @see org.xml.sax.DocumentHandler
      */

     public abstract Document parse(InputSource is)
         throws  SAXException, IOException;


     /**
      * Indicates whether or not this parser is configured to
      * understand namespaces.
      */

     public abstract boolean isNamespaceAware();

     /**
      * Indicates whether or not this parser is configured to
      * validate XML documents.
      */

     public abstract boolean isValidating();

     /**
      * Specify the <code>EntityResolver</code> to be used to resolve
      * entities present in the XML document to be parsed. Setting
      * this to <code>null</code> will result in the underlying
      * implementation using it's own default implementation and
      * behavior.
      */

     public abstract void setEntityResolver(org.xml.sax.EntityResolver er);

     /**
      * Specify the <code>ErrorHandler</code> to be used to resolve
      * entities present in the XML document to be parsed. Setting
      * this to <code>null</code> will result in the underlying
      * implementation using it's own default implementation and
      * behavior.
      */

     public abstract void setErrorHandler(org.xml.sax.ErrorHandler eh);

     /**
      * Obtain a new instance of a DOM Document object to build a DOM
      * tree with.
      */

     public abstract Document newDocument();

     /**
      * Obtain an instance of a DOMImplementation object.
      */

     public abstract DOMImplementation getDOMImplementation();
 }
	/*
	* The Apache Software License, Version 1.1
	*
	*
	* Copyright (c) 1999 The Apache Software Foundation. All rights
	* reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	*
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	*
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in
	* the documentation and/or other materials provided with the
	* distribution.
	*
	* 3. The end-user documentation included with the redistribution,
	* if any, must include the following acknowledgment:
	* "This product includes software developed by the
	* Apache Software Foundation (http://www.apache.org/)."
	* Alternately, this acknowledgment may appear in the software itself,
	* if and wherever such third-party acknowledgments normally appear.
	*
	* 4. The names "Xalan" and "Apache Software Foundation" must
	* not be used to endorse or promote products derived from this
	* software without prior written permission. For written
	* permission, please contact apache@apache.org.
	*
	* 5. Products derived from this software may not be called "Apache",
	* nor may "Apache" appear in their name, without prior written
	* permission of the Apache Software Foundation.
	*
	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	* ====================================================================
	*
	* This software consists of voluntary contributions made by many
	* individuals on behalf of the Apache Software Foundation and was
	* originally based on software copyright (c) 1999, Lotus
	* Development Corporation., http://www.lotus.com. For more
	* information on the Apache Software Foundation, please see
	* <http://www.apache.org/>.
	*/
	/**
	* $Id$
	*/
	package javax.xml.parsers;

	import java.io.InputStream;
	import java.io.IOException;
	import java.io.File;

	import org.xml.sax.Parser;
	import org.xml.sax.HandlerBase;
	import org.xml.sax.InputSource;
	import org.xml.sax.SAXException;

	import org.w3c.dom.Document;
	import org.w3c.dom.DOMImplementation;

	/**
	* Defines the API to obtain DOM Document instances from an XML
	* document. Using this class, an application programmer can obtain a
	* <code>org.w3c.dom.Document</code> from XML.<p>
	*
	* An instance of this class can be obtained from the
	* <code>DocumentBuilderFactory.newDocumentBuilder</code> method. Once
	* an instance of this class is obtained, XML can be parsed from a
	* variety of input sources. These input sources are InputStreams,
	* Files, URLs, and SAX InputSources.<p>
	*
	* Note that this class reuses several classes from the SAX API. This
	* does not require that the implementor of the underlying DOM
	* implmenetation use a SAX parser to parse XML document into a
	* <code>Document</code>. It merely requires that the implementation
	* communicate with the application using these existing APIs.
	*
	* @since JAXP 1.0
	* @version 1.0
	*/

	public abstract class DocumentBuilder {

	protected DocumentBuilder () {
	}

	/**
	* Parse the content of the given InputStream as an XML document
	* and return a new DOM Document object.
	*
	* @param is InputStream containing the content to be parsed.
	* @exception IOException If any IO errors occur.
	* @exception SAXException If any parse errors occur.
	* @exception IllegalArgumentException If the InputStream is null
	* @see org.xml.sax.DocumentHandler
	*/

	public Document parse(InputStream is)
	throws SAXException, IOException
	{
	if (is == null) {
	throw new IllegalArgumentException("InputStream cannot be null");
	}

	InputSource in = new InputSource(is);
	return parse(in);
	}

	/**
	* Parse the content of the given InputStream as an XML document
	* and return a new DOM Document object.
	*
	* @param is InputStream containing the content to be parsed.
	* @param systemId Provide a base for resolving relative URIs.
	* @exception IOException If any IO errors occur.
	* @exception SAXException If any parse errors occur.
	* @exception IllegalArgumentException If the InputStream is null
	* @see org.xml.sax.DocumentHandler
	*/

	public Document parse(InputStream is, String systemId)
	throws SAXException, IOException
	{
	if (is == null) {
	throw new IllegalArgumentException("InputStream cannot be null");
	}

	InputSource in = new InputSource(is);
	in.setSystemId(systemId);
	return parse(in);
	}

	/**
	* Parse the content of the given URI as an XML document
	* and return a new DOM Document object.
	*
	* @param uri The location of the content to be parsed.
	* @exception IOException If any IO errors occur.
	* @exception SAXException If any parse errors occur.
	* @exception IllegalArgumentException If the URI is null
	* @see org.xml.sax.DocumentHandler
	*/

	public Document parse(String uri)
	throws SAXException, IOException
	{
	if (uri == null) {
	throw new IllegalArgumentException("URI cannot be null");
	}

	InputSource in = new InputSource(uri);
	return parse(in);
	}

	/**
	* Parse the content of the given file as an XML document
	* and return a new DOM Document object.
	*
	* @param f The file containing the XML to parse
	* @exception IOException If any IO errors occur.
	* @exception SAXException If any parse errors occur.
	* @exception IllegalArgumentException If the file is null
	* @see org.xml.sax.DocumentHandler
	*/

	public Document parse(File f)
	throws SAXException, IOException
	{
	if (f == null) {
	throw new IllegalArgumentException("File cannot be null");
	}

	String uri = "file:" + f.getAbsolutePath();
	if (File.separatorChar == '\\') {
	uri = uri.replace('\\', '/');
	}
	InputSource in = new InputSource(uri);
	return parse(in);
	}

	/**
	* Parse the content of the given input source as an XML document
	* and return a new DOM Document object.
	*
	* @param is InputSource containing the content to be parsed.
	* @exception IOException If any IO errors occur.
	* @exception SAXException If any parse errors occur.
	* @exception IllegalArgumentException If the InputSource is null
	* @see org.xml.sax.DocumentHandler
	*/

	public abstract Document parse(InputSource is)
	throws SAXException, IOException;


	/**
	* Indicates whether or not this parser is configured to
	* understand namespaces.
	*/

	public abstract boolean isNamespaceAware();

	/**
	* Indicates whether or not this parser is configured to
	* validate XML documents.
	*/

	public abstract boolean isValidating();

	/**
	* Specify the <code>EntityResolver</code> to be used to resolve
	* entities present in the XML document to be parsed. Setting
	* this to <code>null</code> will result in the underlying
	* implementation using it's own default implementation and
	* behavior.
	*/

	public abstract void setEntityResolver(org.xml.sax.EntityResolver er);

	/**
	* Specify the <code>ErrorHandler</code> to be used to resolve
	* entities present in the XML document to be parsed. Setting
	* this to <code>null</code> will result in the underlying
	* implementation using it's own default implementation and
	* behavior.
	*/

	public abstract void setErrorHandler(org.xml.sax.ErrorHandler eh);

	/**
	* Obtain a new instance of a DOM Document object to build a DOM
	* tree with.
	*/

	public abstract Document newDocument();

	/**
	* Obtain an instance of a DOMImplementation object.
	*/

	public abstract DOMImplementation getDOMImplementation();
	}