client/src/main/java/org/apache/qpid/framing/AMQTypeMap.java

/*
 *
 * 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.
 *
 */
package org.apache.qpid.framing;

import java.util.HashMap;
import java.util.Map;

public class AMQTypeMap
{
    public static final Map<Byte, AMQType> _reverseTypeMap = new HashMap<Byte, AMQType>();

    private AMQTypeMap()
    {
    }

    static
    {
        for(AMQType type : AMQType.values())
        {
            _reverseTypeMap.put(type.identifier(), type);
        }
    }

    public static AMQType getType(Byte identifier)
    {
        AMQType result = _reverseTypeMap.get(identifier);
        if (result == null) {
            throw new IllegalArgumentException
                ("no such type code: " + Integer.toHexString(identifier.intValue()));
        }
        return result;
    }

}