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import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.StringBufferInputStream;
import java.util.HashMap;
/*
* Created on 13.09.2005
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
/**
* @author marfab001
*
* To change the template for this generated type comment go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
public class TestProcess {
private Runtime runtime;
Process process = null;
ByteArrayOutputStream error;
public TestProcess() {
runtime = Runtime.getRuntime();
error = new ByteArrayOutputStream(1024);
}
public int execute(String[] args,
final OutputStream outStream,
final InputStream inpStream,
final OutputStream errStream,
final long timeout) throws IOException {
process = runtime.exec(args, null, null);
new Thread() {
public void run() {
try {
BufferedInputStream errStreamProcess =
new BufferedInputStream(process.getErrorStream());
byte[] buffer = new byte[128];
int read;
while ((read = errStreamProcess.read(buffer, 0, buffer.length)) != -1) {
if (errStream != null) {
errStream.write(buffer, 0, read);
}
}
errStreamProcess.close();
} catch (IOException ioe) {
// TODO Auto-generated catch block
ioe.printStackTrace();
}
}
}.start();
new Thread() {
public void run() {
try {
BufferedInputStream outStreamProcess =
new BufferedInputStream(process.getInputStream());
byte[] buffer = new byte[128];
int read;
while ((read = outStreamProcess.read(buffer, 0, buffer.length)) != -1) {
if (outStream != null) {
outStream.write(buffer, 0, read);
}
}
outStreamProcess.close();
} catch (IOException ioe) {
// TODO Auto-generated catch block
ioe.printStackTrace();
}
}
}.start();
if (inpStream != null) {
new Thread() {
public void run() {
try {
BufferedOutputStream inpStreamProcess =
new BufferedOutputStream(process.getOutputStream());
byte[] buffer = new byte[256];
int read;
while ((read = inpStream.read(buffer, 0, buffer.length)) != -1) {
inpStreamProcess.write(buffer, 0, read);
}
} catch (IOException ioe) {
// TODO Auto-generated catch block
ioe.printStackTrace();
}
}
}.start();
}
int status = -1;
if (timeout > 0L) {
Thread waitFor = new Thread() {
public void run() {
try {
process.waitFor();
}
catch(InterruptedException ie) {
ie.printStackTrace();
}
}
};
waitFor.start();
try {
waitFor.join(timeout);
try {
status = process.exitValue();
}
catch (IllegalThreadStateException itse) {
process.destroy();
}
} catch (InterruptedException ie) {
ie.printStackTrace();
}
}
else if (timeout == 0L) {
try {
status = process.waitFor();
} catch (InterruptedException ie) {
// TODO Auto-generated catch block
ie.printStackTrace();
}
}
return status;
}
public static void main(String[] args) {
TestProcess process = new TestProcess();
try {
ByteArrayOutputStream out = new ByteArrayOutputStream(5 * 1024);
String[] cmd = {"mspaint"};
process.execute(cmd, out, null, null, 5000);
String result = out.toString();
String resultLine[] = result.split(System.getProperty("line.separator"));
HashMap envMap = new HashMap();
for (int i = 0; i < resultLine.length; ++i) {
String env = resultLine[i];
int pos = env.indexOf("=");
if (pos != -1) {
String key = env.substring(0, pos);
String value = env.substring(pos+1);
envMap.put(key, value);
}
else {
System.out.println(resultLine[i]);
}
}
} catch (IOException ioe) {
// TODO Auto-generated catch block
ioe.printStackTrace();
}
}
} |
