path: root/qpid/java/client-api/src/main/java/org/apache/qpid/messaging/util/GenericMessageAdapter.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.messaging.util;

import java.nio.ByteBuffer;
import java.util.Map;

import org.apache.qpid.messaging.Message;
import org.apache.qpid.messaging.MessageFactory;
import org.apache.qpid.messaging.MessagingException;
import org.apache.qpid.messaging.internal.MessageInternal;

/**
 *  A generic message adapter that simply delegates
 *  all method calls to the underlying message delegate.
 *  This is not intended to be used by itself,
 *  rather as a base class for other adapters. For example,
 *  @see ReadOnlyMessageAdapter
 *  @see StringMessage_AMQP_0_10
 *  @see MapMessage_AMQP_0_10
 */
public class GenericMessageAdapter implements MessageInternal
{
    private Message _delegate;

    GenericMessageAdapter(Message delegate)
    {
        _delegate = delegate;
    }

    @Override
    public String getMessageId() throws MessagingException
    {
        return _delegate.getMessageId();
    }

    @Override
    public void setMessageId(String messageId) throws MessagingException
    {
        _delegate.setMessageId(messageId);
    }

    @Override
    public String getSubject() throws MessagingException
    {
        return _delegate.getSubject();
    }

    @Override
    public void setSubject(String subject) throws MessagingException
    {
        _delegate.setSubject(subject);
    }

    @Override
    public String getContentType() throws MessagingException
    {
        return _delegate.getContentType();
    }

    @Override
    public void setContentType(String contentType) throws MessagingException
    {
        _delegate.setContentType(contentType);
    }

    @Override
    public String getCorrelationId() throws MessagingException
    {
        return _delegate.getCorrelationId();
    }

    @Override
    public void setCorrelationId(String correlationId) throws MessagingException
    {
        _delegate.setCorrelationId(correlationId);
    }

    @Override
    public String getReplyTo() throws MessagingException
    {
        return _delegate.getReplyTo();
    }

    @Override
    public void setReplyTo(String replyTo) throws MessagingException
    {
        _delegate.setReplyTo(replyTo);
    }

    @Override
    public String getUserId() throws MessagingException
    {
        return _delegate.getUserId();
    }

    @Override
    public void setUserId(String userId) throws MessagingException
    {
        _delegate.setUserId(userId);
    }

    @Override
    public boolean isDurable() throws MessagingException
    {
        return _delegate.isDurable();
    }

    @Override
    public void setDurable(boolean durable) throws MessagingException
    {
        _delegate.setDurable(durable);
    }

    @Override
    public boolean isRedelivered() throws MessagingException
    {
        return _delegate.isRedelivered();
    }

    @Override
    public void setRedelivered(boolean redelivered) throws MessagingException
    {
        _delegate.setRedelivered(redelivered);
    }

    @Override
    public int getPriority() throws MessagingException
    {
        return _delegate.getPriority();
    }

    @Override
    public void setPriority(int priority) throws MessagingException
    {
        _delegate.setPriority(priority);
    }

    @Override
    public long getTtl() throws MessagingException
    {
        return _delegate.getTtl();
    }

    @Override
    public void setTtl(long ttl) throws MessagingException
    {
        _delegate.setTtl(ttl);
    }

    @Override
    public long getTimestamp() throws MessagingException
    {
        return _delegate.getTimestamp();
    }

    @Override
    public void setTimestamp(long timestamp) throws MessagingException
    {
        _delegate.setTimestamp(timestamp);
    }

    @Override
    public Map<String, Object> getProperties() throws MessagingException
    {
        return _delegate.getProperties();
    }

    @Override
    public void setProperty(String key, Object value) throws MessagingException
    {
        _delegate.setProperty(key, value);
    }

    @Override
    public ByteBuffer getContent() throws MessagingException
    {
        return _delegate.getContent();
    }

    @Override
    public Class<? extends MessageFactory> getMessageFactoryClass()
    {
        if (_delegate instanceof MessageInternal)
        {
            return ((MessageInternal)_delegate).getMessageFactoryClass();
        }
        else
        {
            throw new UnsupportedOperationException(
                    "This Adapter nor it's delegate have the required info");
        }
    }

    @Override
    public Object getFactorySpecificMessageDelegate()
    {
        if (_delegate instanceof MessageInternal)
        {
            return ((MessageInternal)_delegate).getFactorySpecificMessageDelegate();
        }
        else
        {
            throw new UnsupportedOperationException(
                    "This Adapter nor it's delegate have the required info");
        }
    }

    public Message getDelegate()
    {
        return _delegate;
    }
}