/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix nor the names of *
* other contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission.*
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
* IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE *
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF *
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, *
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE *
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN *
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
**************************************************************************/
/*
** $Id: OutputStreamWriter.java,v 1.1.1.1 2004/07/12 14:07:45 cvs Exp $
*/
package java.io;
import wonka.decoders.Decoder;
public class OutputStreamWriter extends Writer {
private static final String default_encoding = GetSystemProperty.FILE_ENCODING;
private OutputStream out;
private Decoder decoder;
private StringBuffer buffer;
public OutputStreamWriter(OutputStream out) {
super(out);
decoder = Decoder.getDefault(default_encoding);
buffer = new StringBuffer(1024);
this.out = out;
}
public OutputStreamWriter(OutputStream out, String enc) throws UnsupportedEncodingException {
super(out);
decoder = Decoder.get(enc);
buffer = new StringBuffer(1024);
this.out = out;
}
public void close() throws IOException {
synchronized(lock){
if(out != null){
out.write(decoder.cToB(buffer));
out.close();
decoder = null;
buffer = null;
out = null;
}
}
}
public void flush() throws IOException {
synchronized(lock){
if(out == null){
throw new IOException("Reader is closed");
}
out.write(decoder.cToB(buffer));
buffer.setLength(0);
out.flush();
}
}
public String getEncoding(){
return decoder != null ? decoder.getEncoding() : null;
}
public void write(int ch) throws IOException {
synchronized(lock){
if(out == null){
throw new IOException("Reader is closed");
}
buffer.append((char)ch);
if(buffer.length() > 1024){
out.write(decoder.cToB(buffer));
buffer.setLength(0);
}
}
}
public void write(char[] chars, int off, int len) throws IOException {
synchronized(lock){
if(out == null){
throw new IOException("Reader is closed");
}
buffer.append(chars, off, len);
if(buffer.length() > 1024){
out.write(decoder.cToB(buffer));
buffer.setLength(0);
}
}
}
public void write(String str, int off, int len) throws IOException {
synchronized(lock){
if(out == null){
throw new IOException("Reader is closed");
}
buffer.append(str.substring(off, off+len));
if(buffer.length() > 1024){
out.write(decoder.cToB(buffer));
buffer.setLength(0);
}
}
}
}