cvs commit: jakarta-velocity/examples TreeMapContext.java

[geirm]

geirm       01/01/02 21:57:58

  Added:       examples TreeMapContext.java
  Log:
  Another context example
  
  Revision  Changes    Path
  1.1                  jakarta-velocity/examples/TreeMapContext.java
  
  Index: TreeMapContext.java
  ===================================================================
  
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Velocity", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact [EMAIL PROTECTED]
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  import java.util.TreeMap;
  import java.io.Serializable;
  import org.apache.velocity.context.AbstractContext;
  import org.apache.velocity.context.Context;
  
  /**
   *   Example context impl that uses a TreeMap
   *
   *   Not much point other than to show how easy it is.
   *
   *   This is unsupported, example code.
   *
   * @author <a href="mailto:[EMAIL PROTECTED]">Geir Magnusson Jr.</a>
   * @version $Id: TreeMapContext.java,v 1.1 2001/01/03 05:57:58 geirm Exp $
   */
  
  public class TreeMapContext extends AbstractContext
  {
      private TreeMap context = new TreeMap();
  
      public TreeMapContext()
      {
          super();
      }
  
      public TreeMapContext( Context inner )
      {
          super( inner );
      }
  
      public Object internalGet( String key )
      {
          return context.get( key );
      }        
  
      public Object internalPut( String key, Object value )
      {
          return context.put( key, value );
      }
  
      public  boolean internalContainsKey(Object key)
      {
          return context.containsKey( key );
      }
  
      public  Object[] internalGetKeys()
      {
          return context.keySet().toArray();
      }
  
      public  Object internalRemove(Object key)
      {
          return context.remove( key );
      }
  }