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/*
*
* 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.server.message.internal;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.nio.ByteBuffer;
import org.apache.qpid.server.message.ServerMessage;
import org.apache.qpid.server.plugin.MessageMetaDataType;
import org.apache.qpid.server.plugin.PluggableService;
import org.apache.qpid.server.store.StoredMessage;
import org.apache.qpid.server.util.ConnectionScopedRuntimeException;
import org.apache.qpid.util.ByteBufferInputStream;
@PluggableService
public class InternalMessageMetaDataType implements MessageMetaDataType<InternalMessageMetaData>
{
public static final int INTERNAL_ORDINAL = 999;
public static final String TYPE = "INTERNAL";
@Override
public int ordinal()
{
return INTERNAL_ORDINAL;
}
@Override
public InternalMessageMetaData createMetaData(final ByteBuffer buf)
{
try(ObjectInputStream is = new ObjectInputStream(new ByteBufferInputStream(buf)))
{
InternalMessageMetaData metaData = (InternalMessageMetaData) is.readObject();
return metaData;
}
catch (IOException e)
{
throw new ConnectionScopedRuntimeException("Unexpected IO Exception on operation in memory", e);
}
catch (ClassNotFoundException e)
{
throw new ConnectionScopedRuntimeException("Unexpected exception when reading meta data, check classpath",e);
}
}
@Override
public ServerMessage<InternalMessageMetaData> createMessage(final StoredMessage<InternalMessageMetaData> msg)
{
return new InternalMessage(msg);
}
@Override
public String getType()
{
return TYPE;
}
public static final InternalMessageMetaDataType INSTANCE = new InternalMessageMetaDataType();
}
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