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!
   */
  /*
   * Copyright 2001-2004 The Apache Software Foundation.
   *
   * 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.
   */
  /*
   * $Id: TrAXFilter.java,v 1.2.4.1 2005/09/06 12:23:19 pvedula Exp $
   */
  
  
  package jaxp.sun.org.apache.xalan.internal.xsltc.trax;
  
  import java.io.IOException;
  
  import jaxp.xml.XMLConstants;
  import jaxp.xml.parsers.FactoryConfigurationError;
  import jaxp.xml.parsers.ParserConfigurationException;
  import jaxp.xml.parsers.SAXParser;
  import jaxp.xml.parsers.SAXParserFactory;
  import jaxp.xml.transform.ErrorListener;
  import jaxp.xml.transform.Templates;
  import jaxp.xml.transform.Transformer;
  import jaxp.xml.transform.TransformerConfigurationException;
  import jaxp.xml.transform.sax.SAXResult;
  
  import jaxp.sun.org.apache.xml.internal.utils.XMLReaderManager;
  
  import org.xml.sax.ContentHandler;
  import org.xml.sax.InputSource;
  import org.xml.sax.SAXException;
  import org.xml.sax.XMLReader;
  import org.xml.sax.helpers.XMLFilterImpl;
  import org.xml.sax.helpers.XMLReaderFactory;
  
  /**
   * skeleton extension of XMLFilterImpl for now.
   * @author Santiago Pericas-Geertsen
   * @author G. Todd Miller
   */
  public class TrAXFilter extends XMLFilterImpl {
      private Templates              _templates;
      private TransformerImpl        _transformer;
      private TransformerHandlerImpl _transformerHandler;
      private boolean _useServicesMechanism = true;
  
      public TrAXFilter(Templates templates)  throws
          TransformerConfigurationException
      {
          _templates = templates;
          _transformer = (TransformerImpl) templates.newTransformer();
          _transformerHandler = new TransformerHandlerImpl(_transformer);
          _useServicesMechanism = _transformer.useServicesMechnism();
      }
  
      public Transformer getTransformer() {
          return _transformer;
      }
  
      private void createParent() throws SAXException {
          XMLReader parent = null;
          try {
              SAXParserFactory pfactory = SAXParserFactory.newInstance();
              pfactory.setNamespaceAware(true);
  
              if (_transformer.isSecureProcessing()) {
                  try {
                      pfactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
                  }
                  catch (SAXException e) {}
              }
  
              SAXParser saxparser = pfactory.newSAXParser();
              parent = saxparser.getXMLReader();
          }
          catch (ParserConfigurationException e) {
              throw new SAXException(e);
          }
          catch (FactoryConfigurationError e) {
              throw new SAXException(e.toString());
          }
  
          if (parent == null) {
              parent = XMLReaderFactory.createXMLReader();
          }
  
          // make this XMLReader the parent of this filter
          setParent(parent);
      }
  
      public void parse (InputSource input) throws SAXException, IOException
      {
          XMLReader managedReader = null;
  
          try {
              if (getParent() == null) {
                  try {
                      managedReader = XMLReaderManager.getInstance(_useServicesMechanism)
                                                      .getXMLReader();
                      setParent(managedReader);
                  } catch (SAXException  e) {
                      throw new SAXException(e.toString());
                  }
              }
  
              // call parse on the parent
              getParent().parse(input);
          } finally {
              if (managedReader != null) {
                  XMLReaderManager.getInstance(_useServicesMechanism).releaseXMLReader(managedReader);
              }
          }
      }
  
      public void parse (String systemId) throws SAXException, IOException
      {
          parse(new InputSource(systemId));
      }
  
      public void setContentHandler (ContentHandler handler)
      {
          _transformerHandler.setResult(new SAXResult(handler));
          if (getParent() == null) {
                  try {
                      createParent();
                  }
                  catch (SAXException  e) {
                     return;
                  }
          }
          getParent().setContentHandler(_transformerHandler);
      }
  
      public void setErrorListener (ErrorListener handler) { }
  }
  