/*

  * Copyright 2007-2009 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  *

  * 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.kuali.rice.core.util;

 import java.io.IOException;

 import java.io.OutputStream;

 import java.io.Writer;

 /**

  * This class wraps a Writer in an Outputstream.  Supports setting a custom encoding

  * in the constructor.  Otherwise the default encoding is used.

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class WriterOutputStream extends OutputStream {

         private Writer writer;

         private String encoding;

         private byte[] tmpBuffer = new byte[1];

         public WriterOutputStream(Writer writer, String encoding) {

                 this.writer = writer;

                 this.encoding = encoding;

         }

         public WriterOutputStream(Writer writer) {

                 this(writer, null);

         }

         @Override

         public synchronized void write(int data) throws IOException {

                 tmpBuffer[0] = (byte)data;

                 writer.write(new String(tmpBuffer));

         }

         @Override

         public void close() throws IOException {

                 writer.close();

         }

         @Override

         public void flush() throws IOException {

                 writer.flush();

         }

         @Override

         public void write(byte[] data, int offset, int length) throws IOException {

                 if (encoding == null) {

                         writer.write(new String(data, offset, length));

                 } else {

                         writer.write(new String(data, offset, length, encoding));

                 }

         }

         @Override

         public void write(byte[] data) throws IOException {

                 if (encoding == null) {

                         writer.write(new String(data));

                 } else {

                         writer.write(new String(data, encoding));

                 }

         }

 }