code: /*
   * 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.commons.io.output;
  
  import java.io.IOException;
  import java.io.OutputStream;
  
  /**
   * Broken output stream. This stream always throws an {@link IOException} from
   * all {@link OutputStream} methods.
   * <p>
   * This class is mostly useful for testing error handling in code that uses an
   * output stream.
   *
   * @since Commons IO 2.0
   */
  public class BrokenOutputStream extends OutputStream {
  
      /**
       * The exception that is thrown by all methods of this class.
       */
      private final IOException exception;
  
      /**
       * Creates a new stream that always throws the given exception.
       *
       * @param exception the exception to be thrown
       */
      public BrokenOutputStream(IOException exception) {
          this.exception = exception;
      }
  
      /**
       * Creates a new stream that always throws an {@link IOException}
       */
      public BrokenOutputStream() {
          this(new IOException("Broken output stream"));
      }
  
      /**
       * Throws the configured exception.
       *
       * @param b ignored
       * @throws IOException always thrown
       */
      @Override
      public void write(int b) throws IOException {
          throw exception;
      }
  
      /**
       * Throws the configured exception.
       *
       * @throws IOException always thrown
       */
      @Override
      public void flush() throws IOException {
          throw exception;
      }
  
      /**
       * Throws the configured exception.
       *
       * @throws IOException always thrown
       */
      @Override
      public void close() throws IOException {
          throw exception;
      }
  
  }
  