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package org.apache.velocity.example;
/*
* 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 org.apache.velocity.context.AbstractContext;
import org.apache.velocity.context.Context;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
/**
* 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 $Id$
*/
public class TreeMapContext extends AbstractContext
{
private Map<String, Object> context = new TreeMap<>();
public TreeMapContext()
{
super();
}
public TreeMapContext( Context inner )
{
super( inner );
}
@Override
public Object internalGet(String key )
{
return context.get( key );
}
@Override
public Object internalPut(String key, Object value )
{
return context.put( key, value );
}
@Override
public boolean internalContainsKey(String key)
{
return context.containsKey( key );
}
@Override
public String[] internalGetKeys()
{
Set<String> keys = context.keySet();
return keys.toArray(new String[keys.size()]);
}
@Override
public Object internalRemove(String key)
{
return context.remove( key );
}
}
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