content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE 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 for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  // SAXParserHandler.java - An entity-resolving DefaultHandler
  
  /*
   * Copyright 2001-2004 The Apache Software Foundation or its licensors,
   * as applicable.
   *
   * 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 jaxp.sun.org.apache.xml.internal.resolver.readers;
  
  import java.io.IOException;
  
  import org.xml.sax.*;
  import org.xml.sax.helpers.*;
  
  /**
   * An entity-resolving DefaultHandler.
   *
   * <p>This class provides a SAXParser DefaultHandler that performs
   * entity resolution.
   * </p>
   *
   * @author Norman Walsh
   * <a href="mailto:Norman.Walsh@Sun.COM">Norman.Walsh@Sun.COM</a>
   */
  public class SAXParserHandler extends DefaultHandler {
    private EntityResolver er = null;
    private ContentHandler ch = null;
  
    public SAXParserHandler() {
      super();
    }
  
    public void setEntityResolver(EntityResolver er) {
      this.er = er;
    }
  
    public void setContentHandler(ContentHandler ch) {
      this.ch = ch;
    }
  
    // Entity Resolver
    public InputSource resolveEntity(String publicId, String systemId)
      throws SAXException {
  
      if (er != null) {
        try {
          return er.resolveEntity(publicId, systemId);
        } catch (IOException e) {
            System.out.println("resolveEntity threw IOException!");
            return null;
        }
      } else {
        return null;
      }
    }
  
    // Content Handler
    public void characters(char[] ch, int start, int length)
      throws SAXException {
      if (this.ch != null) {
        this.ch.characters(ch, start, length);
      }
    }
  
    public void endDocument()
      throws SAXException {
      if (ch != null) {
        ch.endDocument();
      }
    }
  
    public void endElement(String namespaceURI, String localName, String qName)
      throws SAXException {
      if (ch != null) {
        ch.endElement(namespaceURI, localName, qName);
      }
    }
  
    public void endPrefixMapping(String prefix)
      throws SAXException {
      if (ch != null) {
        ch.endPrefixMapping(prefix);
      }
    }
  
    public void ignorableWhitespace(char[] ch, int start, int length)
      throws SAXException {
      if (this.ch != null) {
        this.ch.ignorableWhitespace(ch, start, length);
      }
    }
  
    public void processingInstruction(String target, String data)
      throws SAXException {
      if (ch != null) {
        ch.processingInstruction(target, data);
      }
    }
  
    public void setDocumentLocator(Locator locator) {
      if (ch != null) {
        ch.setDocumentLocator(locator);
      }
    }
  
    public void skippedEntity(String name)
      throws SAXException {
      if (ch != null) {
        ch.skippedEntity(name);
      }
    }
  
    public void startDocument()
      throws SAXException {
      if (ch != null) {
        ch.startDocument();
      }
    }
  
    public void startElement(String namespaceURI, String localName,
                             String qName, Attributes atts)
      throws SAXException {
      if (ch != null) {
        ch.startElement(namespaceURI, localName, qName, atts);
      }
    }
  
    public void startPrefixMapping(String prefix, String uri)
      throws SAXException {
      if (ch != null) {
        ch.startPrefixMapping(prefix, uri);
      }
    }
  }
  