com.sun.enterprise.universal.process.ProcessStreamDrainerWorker Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.enterprise.universal.process;
import java.io.*;
///////////////////////////////////////////////////////////////////////////
class ProcessStreamDrainerWorker implements Runnable
{
ProcessStreamDrainerWorker(InputStream in, PrintStream Redirect, boolean save)
{
if(in == null)
throw new NullPointerException("InputStream argument was null.");
reader = new BufferedInputStream(in);
redirect = Redirect;
if(save) {
sb = new StringBuilder();
}
}
public void run()
{
if(reader == null)
return;
try
{
int count = 0;
byte[] buffer = new byte[4096];
while ((count = reader.read(buffer)) != -1)
{
if(redirect != null)
redirect.write(buffer, 0, count);
if(sb != null)
sb.append(new String(buffer, 0, count));
}
}
catch (IOException e)
{
}
}
String getString() {
if(sb != null)
return sb.toString();
else
return "";
}
private final BufferedInputStream reader;
private final PrintStream redirect;
private StringBuilder sb;
}