examples/context_example/TreeMapContext.java

/*
 * The Apache Software License, Version 1.1
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 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
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 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
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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:geirm@optonline.net">Geir Magnusson Jr.</a>
 * @version $Id: TreeMapContext.java,v 1.1 2001/02/12 03:11:25 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 );
    }
}