/*
    * 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.eclipse.aether.internal.test.util.http;
  
  import java.io.ByteArrayOutputStream;
  import java.nio.Buffer;
  import java.nio.ByteBuffer;
  
  import org.eclipse.aether.spi.connector.transport.TransportListener;
  import org.eclipse.aether.transfer.TransferCancelledException;
  
  public class RecordingTransportListener extends TransportListener {
  
      private final ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
  
      private long dataOffset;
  
      private long dataLength;
  
      private int startedCount;
  
      private int progressedCount;
  
      private boolean cancelStart;
  
      private boolean cancelProgress;
  
      @Override
      public void transportStarted(long dataOffset, long dataLength) throws TransferCancelledException {
          startedCount++;
          progressedCount = 0;
          this.dataLength = dataLength;
          this.dataOffset = dataOffset;
          baos.reset();
          if (cancelStart) {
              throw new TransferCancelledException();
          }
      }
  
      @Override
      public void transportProgressed(ByteBuffer data) throws TransferCancelledException {
          progressedCount++;
          if (data.hasArray()) {
              baos.write(data.array(), data.arrayOffset() + ((Buffer) data).position(), data.remaining());
          } else {
              byte[] arr = new byte[data.remaining()];
              data.mark();
              data.get(arr);
              data.reset();
          }
          if (cancelProgress) {
              throw new TransferCancelledException();
          }
      }
  
      public ByteArrayOutputStream getBaos() {
          return baos;
      }
  
      public long getDataOffset() {
          return dataOffset;
      }
  
      public long getDataLength() {
          return dataLength;
      }
  
      public int getStartedCount() {
          return startedCount;
      }
  
      public int getProgressedCount() {
          return progressedCount;
      }
  
      public boolean isCancelStart() {
          return cancelStart;
      }
  
      public boolean isCancelProgress() {
          return cancelProgress;
      }
  
     public void cancelStart() {
         this.cancelStart = true;
     }
 
     public void cancelProgress() {
         this.cancelProgress = true;
     }
 }