/*
    * ====================================================================
    * 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.http.impl;
  
  import java.io.ByteArrayOutputStream;
  import java.nio.charset.Charset;
  import java.nio.charset.CharsetEncoder;
  
  import org.apache.http.impl.io.HttpTransportMetricsImpl;
  import org.apache.http.impl.io.SessionOutputBufferImpl;
  
  /**
   * {@link org.apache.http.io.SessionOutputBuffer} mockup implementation.
   *
   */
  public class SessionOutputBufferMock extends SessionOutputBufferImpl {
  
      public static final int BUFFER_SIZE = 16;
  
      private final ByteArrayOutputStream buffer;
  
      public SessionOutputBufferMock(
              final ByteArrayOutputStream buffer,
              final int bufferSize,
              final int fragementSizeHint,
              final CharsetEncoder encoder) {
          super(new HttpTransportMetricsImpl(), bufferSize, fragementSizeHint, encoder);
          bind(buffer);
          this.buffer = buffer;
      }
  
      public SessionOutputBufferMock(
              final ByteArrayOutputStream buffer,
              final int bufferSize) {
          this(buffer, bufferSize, bufferSize, null);
      }
  
      public SessionOutputBufferMock(
              final CharsetEncoder encoder) {
          this(new ByteArrayOutputStream(), BUFFER_SIZE, BUFFER_SIZE, encoder);
      }
  
      public SessionOutputBufferMock(
              final Charset charset) {
          this(new ByteArrayOutputStream(), BUFFER_SIZE, BUFFER_SIZE,
                  charset != null ? charset.newEncoder() : null);
      }
  
      public SessionOutputBufferMock(final ByteArrayOutputStream buffer) {
          this(buffer, BUFFER_SIZE, BUFFER_SIZE, null);
      }
  
      public SessionOutputBufferMock() {
          this(new ByteArrayOutputStream());
      }
  
      public byte[] getData() {
          return this.buffer != null ? this.buffer.toByteArray() : new byte[] {};
      }
  
  }