/*
    * ====================================================================
    * 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.ByteArrayInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.nio.charset.Charset;
  import java.nio.charset.CharsetDecoder;
  
  import org.apache.http.config.MessageConstraints;
  import org.apache.http.impl.io.HttpTransportMetricsImpl;
  import org.apache.http.impl.io.SessionInputBufferImpl;
  
  /**
   * {@link org.apache.http.io.SessionInputBuffer} mockup implementation.
   */
  public class SessionInputBufferMock extends SessionInputBufferImpl {
  
      public static final int BUFFER_SIZE = 16;
  
      public SessionInputBufferMock(
              final InputStream inStream,
              final int bufferSize,
              final MessageConstraints constrains,
              final CharsetDecoder decoder) {
          super(new HttpTransportMetricsImpl(), bufferSize, -1, constrains, decoder);
          bind(inStream);
      }
  
      public SessionInputBufferMock(
              final InputStream inStream,
              final int bufferSize) {
          this(inStream, bufferSize, null, null);
      }
  
      public SessionInputBufferMock(
              final byte[] bytes,
              final int bufferSize,
              final MessageConstraints constrains,
              final CharsetDecoder decoder) {
          this(new ByteArrayInputStream(bytes), bufferSize, constrains, decoder);
      }
  
      public SessionInputBufferMock(
              final byte[] bytes,
              final int bufferSize,
              final MessageConstraints constrains) {
          this(new ByteArrayInputStream(bytes), bufferSize, constrains, null);
      }
  
      public SessionInputBufferMock(
              final byte[] bytes,
              final int bufferSize) {
          this(new ByteArrayInputStream(bytes), bufferSize);
      }
  
      public SessionInputBufferMock(
              final byte[] bytes) {
          this(bytes, BUFFER_SIZE);
      }
  
      public SessionInputBufferMock(
              final byte[] bytes,
              final MessageConstraints constrains,
              final Charset charset) {
          this(bytes, BUFFER_SIZE, constrains, charset != null ? charset.newDecoder() : null);
      }
  
      public SessionInputBufferMock(
              final byte[] bytes,
              final Charset charset) {
          this(bytes, null, charset);
      }
 
     public SessionInputBufferMock(
             final byte[] bytes,
             final CharsetDecoder decoder) {
         this(bytes, BUFFER_SIZE, null, decoder);
     }
 
     public SessionInputBufferMock(
             final String s,
             final MessageConstraints constrains,
             final Charset charset) {
         this(s.getBytes(charset), constrains, charset);
     }
 
     public SessionInputBufferMock(
             final String s,
             final Charset charset) {
         this(s.getBytes(charset), MessageConstraints.DEFAULT, charset);
     }
 
     @Override
     public boolean isDataAvailable(final int timeout) throws IOException {
         return true;
     }
 
 }