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/*
* Sun Public License Notice
*
* The contents of this file are subject to the Sun Public License
* Version 1.0 (the "License"). You may not use this file except in
* compliance with the License. A copy of the License is available at
* http://www.sun.com/
*
* The Original Code is NetBeans. The Initial Developer of the Original
* Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun
* Microsystems, Inc. All Rights Reserved.
*/
package org.netbeans.lib.cvsclient;
import org.netbeans.lib.cvsclient.connection.IConnection;
import org.netbeans.lib.cvsclient.file.IReaderFactory;
import org.netbeans.lib.cvsclient.file.IWriterFactory;
import org.netbeans.lib.cvsclient.io.IStreamLogger;
import org.netbeans.lib.cvsclient.util.BugLog;
import java.io.*;
import java.util.zip.Deflater;
import java.util.zip.DeflaterOutputStream;
import java.util.zip.InflaterInputStream;
/**
* @author Thomas Singer
*/
public final class ConnectionStreams
implements IConnectionStreams, IReaderFactory, IWriterFactory {
// Fields =================================================================
private final IConnection connection;
private final IStreamLogger streamLogger;
private InputStream loggedInputStream;
private OutputStream loggedOutputStream;
private Reader loggedReader;
private Writer loggedWriter;
private InputStream inputStream;
private OutputStream outputStream;
private DeflaterOutputStream deflaterOutputStream;
private final String myCharset;
// Setup ==================================================================
public ConnectionStreams(IConnection connection, IStreamLogger streamLogger, String charset) {
BugLog.getInstance().assertNotNull(connection);
BugLog.getInstance().assertNotNull(streamLogger);
this.connection = connection;
this.streamLogger = streamLogger;
this.myCharset = charset;
setInputStream(connection.getInputStream());
setOutputStream(connection.getOutputStream());
}
public Reader createReader(InputStream inputStream) {
return new InputStreamReader(inputStream);
}
public Writer createWriter(OutputStream outputStream) {
try {
return new OutputStreamWriter(outputStream, myCharset);
}
catch (UnsupportedEncodingException e) {
return null;
}
}
// Accessing ==============================================================
public IReaderFactory getReaderFactory() {
return this;
}
public IWriterFactory getWriterFactory() {
return this;
}
public InputStream getLoggedInputStream() {
return loggedInputStream;
}
public OutputStream getLoggedOutputStream() {
return loggedOutputStream;
}
public Reader getLoggedReader() {
return loggedReader;
}
public Writer getLoggedWriter() {
return loggedWriter;
}
public InputStream getInputStream() {
return inputStream;
}
public OutputStream getOutputStream() {
return outputStream;
}
public void flushForReading() throws IOException {
loggedWriter.flush();
if (deflaterOutputStream != null) {
deflaterOutputStream.finish();
}
loggedOutputStream.flush();
}
public void close() {
try {
if (loggedOutputStream != null) {
try {
loggedOutputStream.close();
}
catch (IOException ex) {
BugLog.getInstance().showException(ex);
}
}
if (loggedInputStream != null) {
try {
loggedInputStream.close();
}
catch (IOException ex) {
BugLog.getInstance().showException(ex);
}
}
}
finally {
try {
connection.close();
}
catch (IOException ex) {
BugLog.getInstance().showException(ex);
}
}
}
// Actions ================================================================
// Actions ================================================================
public void setGzipped() throws IOException {
loggedWriter.flush();
loggedOutputStream.flush();
deflaterOutputStream = new DeflaterOutputStream(connection.getOutputStream(), new Deflater(6));
setOutputStream(deflaterOutputStream);
setInputStream(new InflaterInputStream(connection.getInputStream()));
}
// Utils ==================================================================
private void setInputStream(InputStream inputStream) {
this.inputStream = inputStream;
this.loggedInputStream = streamLogger.createLoggingInputStream(inputStream);
this.loggedReader = createReader(this.loggedInputStream);
}
private void setOutputStream(OutputStream outputStream) {
this.outputStream = outputStream;
this.loggedOutputStream = streamLogger.createLoggingOutputStream(outputStream);
this.loggedWriter = createWriter(this.loggedOutputStream);
}
}
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