ProcessRunner.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.day.util;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ProcessRunner
implements Runnable {
public static final int PROCESS_RUNNING = -1;
public static final int PROCESS_ABORTED = -2;
private static final Logger log;
private static final int POLL_OUTPUT_DELAY = 100;
private final String cmdLine;
private final InputStream stdin;
private final OutputStream stdout;
private final OutputStream stderr;
private final Object lock = new Object();
private boolean running = true;
private int rc = -1;
public ProcessRunner(String cmdLine, InputStream stdin, OutputStream stdout, OutputStream stderr) {
this.cmdLine = cmdLine;
this.stdin = stdin;
this.stdout = stdout == null ? System.out : stdout;
this.stderr = stderr == null ? System.err : stderr;
}
public ProcessRunner(String cmdLine) {
this(cmdLine, null, null, null);
}
/*
* WARNING - Removed try catching itself - possible behaviour change.
* Enabled aggressive block sorting
* Enabled unnecessary exception pruning
* Enabled aggressive exception aggregation
*/
public void run(long waitTime) {
Thread t = new Thread(this);
t.setDaemon(true);
t.start();
if (waitTime < 0) {
return;
}
Object object = this.lock;
synchronized (object) {
while (this.running) {
try {
this.lock.wait(waitTime);
if (!this.running) continue;
t.interrupt();
waitTime = 0;
}
catch (InterruptedException ie) {}
}
return;
}
}
public int getReturnCode() {
return this.rc;
}
/*
* WARNING - Removed try catching itself - possible behaviour change.
*/
public void run() {
block24 : {
InputStream procOut = null;
InputStream procErr = null;
Process p = null;
try {
p = Runtime.getRuntime().exec(this.cmdLine);
procOut = p.getInputStream();
procErr = p.getErrorStream();
this.writeStdIn(p, this.stdin);
while (p != null) {
Thread.sleep(100);
this.spoolAvailable(procOut, this.stdout);
this.spoolAvailable(procErr, this.stderr);
try {
this.rc = p.exitValue();
p = null;
}
catch (IllegalThreadStateException e) {}
}
log.info("run: Process ended with rc={}", (Object)new Integer(this.rc));
}
catch (IOException ioe) {
log.info("run: IO problem during execution: {}", (Object)ioe.toString());
}
catch (InterruptedException ie) {
if (p == null) break block24;
p.destroy();
try {
this.rc = p.exitValue();
}
catch (IllegalThreadStateException itse) {
log.info("run: Exit value of destroyed process unavailable");
}
p = null;
}
finally {
this.tryClose(procOut);
this.tryClose(procErr);
Object ie = this.lock;
synchronized (ie) {
this.lock.notifyAll();
this.running = false;
}
}
}
}
/*
* WARNING - Removed try catching itself - possible behaviour change.
*/
private void writeStdIn(Process proc, InputStream stdin) throws IOException {
if (stdin != null) {
int bufLen = 1024;
byte[] b = new byte[1024];
OutputStream procIn = null;
try {
int numRead;
procIn = proc.getOutputStream();
while ((numRead = stdin.read(b)) > 0) {
procIn.write(b, 0, numRead);
}
}
finally {
this.tryClose(procIn);
}
}
}
private void spoolAvailable(InputStream source, OutputStream sink) throws IOException {
int num;
int bufLen = 1024;
byte[] buf = new byte[1024];
for (int avail = source.available(); avail > 0; avail -= num) {
num = avail > 1024 ? 1024 : avail;
num = source.read(buf, 0, num);
sink.write(buf, 0, num);
}
}
private void tryClose(OutputStream out) {
if (out != null) {
try {
out.close();
}
catch (IOException ioe) {
// empty catch block
}
}
}
private void tryClose(InputStream in) {
if (in != null) {
try {
in.close();
}
catch (IOException ioe) {
// empty catch block
}
}
}
static {
Class class_ = ProcessRunner.class;
log = LoggerFactory.getLogger((Class)class_);
}
}