systests/protocol-tests-amqp-1-0/src/main/java/org/apache/qpid/tests/protocol/v1_0/extensions/type/TestFilterConstructor.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.tests.protocol.v1_0.extensions.type;

import org.apache.qpid.server.protocol.v1_0.codec.AbstractDescribedTypeConstructor;
import org.apache.qpid.server.protocol.v1_0.codec.DescribedTypeConstructorRegistry;
import org.apache.qpid.server.protocol.v1_0.type.AmqpErrorException;
import org.apache.qpid.server.protocol.v1_0.type.Symbol;
import org.apache.qpid.server.protocol.v1_0.type.UnsignedLong;
import org.apache.qpid.server.protocol.v1_0.type.transport.AmqpError;

public class TestFilterConstructor extends AbstractDescribedTypeConstructor<TestFilter>
{
    private static final Object[] DESCRIPTORS =
            {Symbol.valueOf("apache.org:test-filter:string"), UnsignedLong.valueOf(0x0000468C0000000AL)};
    private static final TestFilterConstructor INSTANCE = new TestFilterConstructor();

    public static void register(DescribedTypeConstructorRegistry registry)
    {
        for (Object descriptor : DESCRIPTORS)
        {
            registry.register(descriptor, INSTANCE);
        }
    }

    @Override
    public TestFilter construct(Object underlying) throws AmqpErrorException
    {
        if (underlying instanceof String)
        {
            return new TestFilter((String) underlying);
        }
        else
        {
            final String msg = String.format("Cannot decode 'apache.org:test-filter:string' from '%s'",
                                             underlying == null ? null : underlying.getClass().getSimpleName());
            throw new AmqpErrorException(AmqpError.DECODE_ERROR, msg);
        }
    }
}