content: /*
   * 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.
   */
  
  package mf.org.apache.xerces.jaxp;
  
  import org.xml.sax.SAXException;
  import org.xml.sax.SAXNotRecognizedException;
  import org.xml.sax.SAXNotSupportedException;
  
  import java.util.Hashtable;
  
  import mf.javax.xml.XMLConstants;
  import mf.javax.xml.parsers.ParserConfigurationException;
  import mf.javax.xml.parsers.SAXParser;
  import mf.javax.xml.parsers.SAXParserFactory;
  import mf.javax.xml.validation.Schema;
  import mf.org.apache.xerces.impl.Constants;
  
  /**
   * This is the implementation specific class for the
   * <code>javax.xml.parsers.SAXParserFactory</code>. This is the platform
   * default implementation for the platform.
   *
   * @author Rajiv Mordani
   * @author Edwin Goei
   * @version $Id: SAXParserFactoryImpl.java 447237 2006-09-18 05:03:10Z mrglavas $
   */
  public class SAXParserFactoryImpl extends SAXParserFactory {
  
      /**
       * Feature identifier: namespaces.
       */
      private static final String NAMESPACES_FEATURE =
              Constants.SAX_FEATURE_PREFIX + Constants.NAMESPACES_FEATURE;
  
      /**
       * Feature identifier: validation.
       */
      private static final String VALIDATION_FEATURE =
              Constants.SAX_FEATURE_PREFIX + Constants.VALIDATION_FEATURE;
  
      /**
       * Feature identifier: XInclude processing
       */
      private static final String XINCLUDE_FEATURE =
              Constants.XERCES_FEATURE_PREFIX + Constants.XINCLUDE_FEATURE;
  
      private Hashtable features;
      private Schema grammar;
      private boolean isXIncludeAware;
  
      /**
       * State of the secure processing feature, initially <code>false</code>
       */
      private boolean fSecureProcess = false;
  
      /**
       * Creates a new instance of <code>SAXParser</code> using the currently
       * configured factory parameters.
       *
       * @return javax.xml.parsers.SAXParser
       */
      @Override
      public SAXParser newSAXParser()
              throws ParserConfigurationException {
  
          SAXParser saxParserImpl;
          try {
              saxParserImpl = new SAXParserImpl(this, features, fSecureProcess);
          } catch (SAXException se) {
              // Translate to ParserConfigurationException
              throw new ParserConfigurationException(se.getMessage());
          }
          return saxParserImpl;
      }
  
      /**
       * Common code for translating exceptions
       */
      private SAXParserImpl newSAXParserImpl()
              throws ParserConfigurationException, SAXNotRecognizedException,
              SAXNotSupportedException {
  
          SAXParserImpl saxParserImpl;
          try {
              saxParserImpl = new SAXParserImpl(this, features);
          } catch (SAXNotSupportedException e) {
              throw e;
          } catch (SAXNotRecognizedException e) {
              throw e;
          } catch (SAXException se) {
              throw new ParserConfigurationException(se.getMessage());
          }
          return saxParserImpl;
      }
  
      /**
       * Sets the particular feature in the underlying implementation of
       * org.xml.sax.XMLReader.
       */
      @Override
      public void setFeature(String name, boolean value)
              throws ParserConfigurationException, SAXNotRecognizedException,
              SAXNotSupportedException {
          if (name == null) {
              throw new NullPointerException();
          }
          // If this is the secure processing feature, save it then return.
          if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
              fSecureProcess = value;
              return;
          }
          // Keep built-in settings in synch with the feature values.
          else if (name.equals(NAMESPACES_FEATURE)) {
              setNamespaceAware(value);
              return;
          } else if (name.equals(VALIDATION_FEATURE)) {
              setValidating(value);
              return;
          } else if (name.equals(XINCLUDE_FEATURE)) {
              setXIncludeAware(value);
              return;
          }
  
          // XXX This is ugly.  We have to collect the features and then
          // later create an XMLReader to verify the features.
          if (features == null) {
              features = new Hashtable();
          }
          features.put(name, value ? Boolean.TRUE : Boolean.FALSE);
  
          // Test the feature by possibly throwing SAX exceptions
          try {
              newSAXParserImpl();
          } catch (SAXNotSupportedException e) {
              features.remove(name);
              throw e;
          } catch (SAXNotRecognizedException e) {
              features.remove(name);
              throw e;
          }
      }
  
      /**
       * returns the particular property requested for in the underlying
       * implementation of org.xml.sax.XMLReader.
       */
      @Override
      public boolean getFeature(String name)
              throws ParserConfigurationException, SAXNotRecognizedException,
              SAXNotSupportedException {
          if (name == null) {
              throw new NullPointerException();
          }
          if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
              return fSecureProcess;
          } else if (name.equals(NAMESPACES_FEATURE)) {
              return isNamespaceAware();
          } else if (name.equals(VALIDATION_FEATURE)) {
              return isValidating();
          } else if (name.equals(XINCLUDE_FEATURE)) {
              return isXIncludeAware();
          }
          // Check for valid name by creating a dummy XMLReader to get
          // feature value
          return newSAXParserImpl().getXMLReader().getFeature(name);
      }
  
      @Override
      public Schema getSchema() {
          return grammar;
      }
  
      @Override
      public void setSchema(Schema grammar) {
          this.grammar = grammar;
      }
  
      @Override
      public boolean isXIncludeAware() {
          return this.isXIncludeAware;
      }
  
      @Override
      public void setXIncludeAware(boolean state) {
          this.isXIncludeAware = state;
      }
  }
  