/*
 * 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.artemis.protocol.amqp.converter.message;

import org.apache.qpid.proton.amqp.Binary;
import org.apache.qpid.proton.message.Message;

public class EncodedMessage {

   private final Binary data;
   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();
   }
}
