package org.apache.maven.shared.release.transform.jdom;
   
   /*
    * 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.
   */
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.io.PrintStream;
  import java.io.PrintWriter;
  import java.io.Reader;
  import java.io.Writer;
  import java.util.Enumeration;
  import java.util.InvalidPropertiesFormatException;
  import java.util.Properties;
  import java.util.Set;
  
  import org.jdom.Element;
  
  /**
   * JDom implementation of poms PROPERTIES element
   *
   * @author Robert Scholte
   * @since 3.0
   */
  public class JDomProperties extends Properties
  {
      private final Element properties;
  
      public JDomProperties( Element properties )
      {
          this.properties = properties;
      }
  
      @Override
      public synchronized Object setProperty( String key, String value )
      {
          Element property = properties.getChild( key, properties.getNamespace() );
  
          JDomUtils.rewriteValue( property, value );
  
          // todo follow specs of Hashtable.put
          return null;
      }
  
      @Override
      public synchronized void load( Reader reader )
          throws IOException
      {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public synchronized void load( InputStream inStream )
          throws IOException
      {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public void save( OutputStream out, String comments )
      {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public void store( Writer writer, String comments )
          throws IOException
      {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public void store( OutputStream out, String comments )
          throws IOException
      {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public synchronized void loadFromXML( InputStream in )
          throws IOException, InvalidPropertiesFormatException
      {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void storeToXML( OutputStream os, String comment )
         throws IOException
     {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void storeToXML( OutputStream os, String comment, String encoding )
         throws IOException
     {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public String getProperty( String key )
     {
         Element property = properties.getChild( key, properties.getNamespace() );
 
         if ( property == null )
         {
             return null;
         }
         else
         {
             return property.getTextTrim();
         }
     }
 
     @Override
     public String getProperty( String key, String defaultValue )
     {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public Enumeration<?> propertyNames()
     {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public Set<String> stringPropertyNames()
     {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void list( PrintStream out )
     {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void list( PrintWriter out )
     {
         throw new UnsupportedOperationException();
     }
 }