001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.activemq.transport.amqp.message; 018 019import org.apache.qpid.proton.amqp.Binary; 020import org.apache.qpid.proton.message.Message; 021 022public class EncodedMessage { 023 024 private final Binary data; 025 final long messageFormat; 026 027 public EncodedMessage(long messageFormat, byte[] data, int offset, int length) { 028 this.data = new Binary(data, offset, length); 029 this.messageFormat = messageFormat; 030 } 031 032 public long getMessageFormat() { 033 return messageFormat; 034 } 035 036 public Message decode() throws Exception { 037 Message amqp = Message.Factory.create(); 038 039 int offset = getArrayOffset(); 040 int len = getLength(); 041 while (len > 0) { 042 final int decoded = amqp.decode(getArray(), offset, len); 043 assert decoded > 0 : "Make progress decoding the message"; 044 offset += decoded; 045 len -= decoded; 046 } 047 048 return amqp; 049 } 050 051 public int getLength() { 052 return data.getLength(); 053 } 054 055 public int getArrayOffset() { 056 return data.getArrayOffset(); 057 } 058 059 public byte[] getArray() { 060 return data.getArray(); 061 } 062 063 @Override 064 public String toString() { 065 return data.toString(); 066 } 067}