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 2003,2004 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.
   */
  
  package jaxp.sun.org.apache.xerces.internal.impl.xs;
  
  import jaxp.sun.org.apache.xerces.internal.dom.CoreDOMImplementationImpl;
  import jaxp.sun.org.apache.xerces.internal.dom.DOMMessageFormatter;
  import jaxp.sun.org.apache.xerces.internal.impl.xs.util.StringListImpl;
  import jaxp.sun.org.apache.xerces.internal.xs.StringList;
  import jaxp.sun.org.apache.xerces.internal.xs.XSException;
  import jaxp.sun.org.apache.xerces.internal.xs.XSImplementation;
  import jaxp.sun.org.apache.xerces.internal.xs.XSLoader;
  import org.w3c.dom.DOMImplementation;
  
  
  /**
   * Implements XSImplementation interface that allows one to retrieve an instance of <code>XSLoader</code>.
   * This interface should be implemented on the same object that implements
   * DOMImplementation.
   *
   * @xerces.internal
   *
   * @author Elena Litani, IBM
   */
  public class XSImplementationImpl extends CoreDOMImplementationImpl
                                                                    implements XSImplementation {
  
      //
      // Data
      //
  
      // static
  
      /** Dom implementation singleton. */
      static XSImplementationImpl singleton = new XSImplementationImpl();
  
      //
      // Public methods
      //
  
      /** NON-DOM: Obtain and return the single shared object */
      public static DOMImplementation getDOMImplementation() {
          return singleton;
      }
  
      //
      // DOMImplementation methods
      //
  
      /**
       * Test if the DOM implementation supports a specific "feature" --
       * currently meaning language and level thereof.
       *
       * @param feature      The package name of the feature to test.
       * In Level 1, supported values are "HTML" and "XML" (case-insensitive).
       * At this writing, com.sun.org.apache.xerces.internal.dom supports only XML.
       *
       * @param version      The version number of the feature being tested.
       * This is interpreted as "Version of the DOM API supported for the
       * specified Feature", and in Level 1 should be "1.0"
       *
       * @return    true iff this implementation is compatable with the specified
       * feature and version.
       */
      public boolean hasFeature(String feature, String version) {
  
          return (feature.equalsIgnoreCase("XS-Loader") && (version == null || version.equals("1.0")) ||
                  super.hasFeature(feature, version));
      } // hasFeature(String,String):boolean
  
  
  
      /* (non-Javadoc)
       * @see com.sun.org.apache.xerces.internal.xs.XSImplementation#createXSLoader(com.sun.org.apache.xerces.internal.xs.StringList)
       */
      public XSLoader createXSLoader(StringList versions) throws XSException {
          XSLoader loader = new XSLoaderImpl();
          if (versions == null){
                          return loader;
          }
          for (int i=0; i<versions.getLength();i++){
                  if (!versions.item(i).equals("1.0")){
                                  String msg =
                                          DOMMessageFormatter.formatMessage(
                                                  DOMMessageFormatter.DOM_DOMAIN,
                                                  "FEATURE_NOT_SUPPORTED",
                                                  new Object[] { versions.item(i) });
                                  throw new XSException(XSException.NOT_SUPPORTED_ERR, msg);
                  }
          }
          return loader;
      }
  
      /* (non-Javadoc)
       * @see com.sun.org.apache.xerces.internal.xs.XSImplementation#getRecognizedVersions()
       */
      public StringList getRecognizedVersions() {
          StringListImpl list = new StringListImpl(new String[]{"1.0"}, 1);
          return list;
      }
  
  } // class XSImplementationImpl
  