content: /*
   * Copyright (c) 1996, 2005, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package java.io;
  
  
  /**
   * Abstract class for writing filtered character streams.
   * The abstract class <code>FilterWriter</code> itself
   * provides default methods that pass all requests to the
   * contained stream. Subclasses of <code>FilterWriter</code>
   * should override some of these methods and may also
   * provide additional methods and fields.
   *
   * @author      Mark Reinhold
   * @since       JDK1.1
   */
  
  public abstract class FilterWriter extends Writer {
  
      /**
       * The underlying character-output stream.
       */
      protected Writer out;
  
      /**
       * Create a new filtered writer.
       *
       * @param out  a Writer object to provide the underlying stream.
       * @throws NullPointerException if <code>out</code> is <code>null</code>
       */
      protected FilterWriter(Writer out) {
          super(out);
          this.out = out;
      }
  
      /**
       * Writes a single character.
       *
       * @exception  IOException  If an I/O error occurs
       */
      public void write(int c) throws IOException {
          out.write(c);
      }
  
      /**
       * Writes a portion of an array of characters.
       *
       * @param  cbuf  Buffer of characters to be written
       * @param  off   Offset from which to start reading characters
       * @param  len   Number of characters to be written
       *
       * @exception  IOException  If an I/O error occurs
       */
      public void write(char cbuf[], int off, int len) throws IOException {
          out.write(cbuf, off, len);
      }
  
      /**
       * Writes a portion of a string.
       *
       * @param  str  String to be written
       * @param  off  Offset from which to start reading characters
       * @param  len  Number of characters to be written
       *
       * @exception  IOException  If an I/O error occurs
       */
      public void write(String str, int off, int len) throws IOException {
          out.write(str, off, len);
      }
  
      /**
       * Flushes the stream.
       *
       * @exception  IOException  If an I/O error occurs
       */
      public void flush() throws IOException {
          out.flush();
      }
  
      public void close() throws IOException {
          out.close();
      }
  
  }
  