content: /*
   * Copyright (c) 2004, 2005, 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.
   */
  
  // DefaultHandler2.java - extended DefaultHandler
  // http://www.saxproject.org
  // Public Domain: no warranty.
  // $Id: DefaultHandler2.java,v 1.2 2004/11/03 22:49:08 jsuttor Exp $
  
  package org.xml.sax.ext;
  
  import java.io.IOException;
  import org.xml.sax.InputSource;
  import org.xml.sax.SAXException;
  import org.xml.sax.ext.Attributes2;
  import org.xml.sax.ext.DeclHandler;
  import org.xml.sax.ext.EntityResolver2;
  import org.xml.sax.ext.LexicalHandler;
  import org.xml.sax.ext.Locator2;
  import org.xml.sax.helpers.DefaultHandler;
  
  
  /**
   * This class extends the SAX2 base handler class to support the
   * SAX2 {@link org.xml.sax.ext.LexicalHandler}, {@link org.xml.sax.ext.DeclHandler}, and
   * {@link org.xml.sax.ext.EntityResolver2} extensions.  Except for overriding the
   * original SAX1 {@link DefaultHandler#resolveEntity resolveEntity()}
   * method the added handler methods just return.  Subclassers may
   * override everything on a method-by-method basis.
   *
   * <blockquote>
   * <em>This module, both source code and documentation, is in the
   * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
   * </blockquote>
   *
   * <p> <em>Note:</em> this class might yet learn that the
   * <em>ContentHandler.setDocumentLocator()</em> call might be passed a
   * {@link Locator2} object, and that the
   * <em>ContentHandler.startElement()</em> call might be passed a
   * {@link Attributes2} object.
   *
   * @since SAX 2.0 (extensions 1.1 alpha)
   * @author David Brownell
   */
  public class DefaultHandler2 extends DefaultHandler
      implements LexicalHandler, DeclHandler, org.xml.sax.ext.EntityResolver2
  {
      /** Constructs a handler which ignores all parsing events. */
      public DefaultHandler2 () { }
  
  
      // SAX2 ext-1.0 LexicalHandler
  
      public void startCDATA ()
      throws SAXException
          {}
  
      public void endCDATA ()
      throws SAXException
          {}
  
      public void startDTD (String name, String publicId, String systemId)
      throws SAXException
          {}
  
      public void endDTD ()
      throws SAXException
          {}
  
      public void startEntity (String name)
      throws SAXException
          {}
  
      public void endEntity (String name)
      throws SAXException
          {}
  
      public void comment (char ch [], int start, int length)
      throws SAXException
          { }
  
  
      // SAX2 ext-1.0 DeclHandler
  
      public void attributeDecl (String eName, String aName,
              String type, String mode, String value)
      throws SAXException
          {}
  
      public void elementDecl (String name, String model)
      throws SAXException
          {}
  
      public void externalEntityDecl (String name,
          String publicId, String systemId)
      throws SAXException
          {}
  
      public void internalEntityDecl (String name, String value)
      throws SAXException
          {}
  
      // SAX2 ext-1.1 EntityResolver2
  
      /**
       * Tells the parser that if no external subset has been declared
       * in the document text, none should be used.
       */
      public InputSource getExternalSubset (String name, String baseURI)
      throws SAXException, IOException
          { return null; }
  
      /**
       * Tells the parser to resolve the systemId against the baseURI
       * and read the entity text from that resulting absolute URI.
       * Note that because the older
       * {@link DefaultHandler#resolveEntity DefaultHandler.resolveEntity()},
       * method is overridden to call this one, this method may sometimes
       * be invoked with null <em>name</em> and <em>baseURI</em>, and
       * with the <em>systemId</em> already absolutized.
       */
      public InputSource resolveEntity (String name, String publicId,
              String baseURI, String systemId)
      throws SAXException, IOException
          { return null; }
  
      // SAX1 EntityResolver
  
      /**
       * Invokes
       * {@link EntityResolver2#resolveEntity EntityResolver2.resolveEntity()}
       * with null entity name and base URI.
       * You only need to override that method to use this class.
       */
      public InputSource resolveEntity (String publicId, String systemId)
      throws SAXException, IOException
          { return resolveEntity (null, publicId, null, systemId); }
  }
  