content: /*
   * 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.activemq.transport.amqp.message;
  
  import org.apache.qpid.proton.amqp.Binary;
  import org.apache.qpid.proton.message.Message;
  
  public class EncodedMessage {
  
      private final Binary data;
      private final long messageFormat;
  
      public EncodedMessage(long messageFormat, byte[] data, int offset, int length) {
          this.data = new Binary(data, offset, length);
          this.messageFormat = messageFormat;
      }
  
      public long getMessageFormat() {
          return messageFormat;
      }
  
      public Message decode() throws Exception {
          Message amqp = Message.Factory.create();
  
          int offset = getArrayOffset();
          int len = getLength();
          while (len > 0) {
              final int decoded = amqp.decode(getArray(), offset, len);
              assert decoded > 0 : "Make progress decoding the message";
              offset += decoded;
              len -= decoded;
          }
  
          return amqp;
      }
  
      public int getLength() {
          return data.getLength();
      }
  
      public int getArrayOffset() {
          return data.getArrayOffset();
      }
  
      public byte[] getArray() {
          return data.getArray();
      }
  
      @Override
      public String toString() {
          return data.toString();
      }
  }
  