| /* |
| * 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.client.message; |
| |
| import org.apache.qpid.QpidException; |
| import org.apache.qpid.client.util.JMSExceptionHelper; |
| import org.apache.qpid.transport.util.Functions; |
| |
| import javax.jms.JMSException; |
| import javax.jms.MessageNotReadableException; |
| import javax.jms.MessageNotWriteableException; |
| import java.nio.ByteBuffer; |
| |
| /** |
| * @author Apache Software Foundation |
| */ |
| public abstract class AbstractBytesTypedMessage extends AbstractJMSMessage |
| { |
| private boolean _readableMessage = false; |
| |
| AbstractBytesTypedMessage(AMQMessageDelegateFactory delegateFactory, boolean fromReceivedMessage) |
| { |
| |
| super(delegateFactory, fromReceivedMessage); // this instanties a content header |
| _readableMessage = fromReceivedMessage; |
| } |
| |
| AbstractBytesTypedMessage(AMQMessageDelegate delegate, boolean fromReceivedMessage) throws QpidException |
| { |
| |
| super(delegate, fromReceivedMessage); |
| _readableMessage = fromReceivedMessage; |
| |
| } |
| |
| protected void checkReadable() throws MessageNotReadableException |
| { |
| if (!_readableMessage) |
| { |
| throw new MessageNotReadableException("You need to call reset() to make the message readable"); |
| } |
| } |
| |
| @Override |
| protected void checkWritable() throws MessageNotWriteableException |
| { |
| super.checkWritable(); |
| if(_readableMessage) |
| { |
| throw new MessageNotWriteableException("You need to call clearBody() to make the message writable"); |
| } |
| } |
| |
| public void clearBody() throws JMSException |
| { |
| super.clearBody(); |
| _readableMessage = false; |
| } |
| |
| protected void setReadable(boolean readable) |
| { |
| _readableMessage = readable; |
| } |
| |
| |
| public String toBodyString() throws JMSException |
| { |
| try |
| { |
| ByteBuffer data = getData(); |
| if (data != null) |
| { |
| return Functions.str(data, 100, 0); |
| } |
| else |
| { |
| return ""; |
| } |
| |
| } |
| catch (Exception e) |
| { |
| throw JMSExceptionHelper.chainJMSException(new JMSException(e.toString()), e); |
| } |
| |
| } |
| |
| |
| abstract public void reset(); |
| |
| |
| |
| |
| } |