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package org.apache.qpid.server.exchange.headers;
import org.apache.qpid.framing.AMQShortString;
import java.util.Map;
import java.util.HashMap;
/*
*
* 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.
*
*/
public class HeaderKeyDictionary
{
private final Map<AMQShortString, HeaderKey> _dictionary = new HashMap<AMQShortString, HeaderKey>();
public HeaderKey get(final AMQShortString key)
{
HeaderKey headerKey = _dictionary.get(key);
return headerKey == null ? HeaderKey.UNKNOWN : headerKey;
}
public HeaderKey getOrCreate(final AMQShortString key)
{
HeaderKey headerKey = _dictionary.get(key);
if(headerKey == null)
{
headerKey = new HeaderKey(key);
_dictionary.put(key, headerKey);
}
return headerKey;
}
}
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