/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
/**
*
* @author chenjianjx (Copied from CXF)
*
*/
public class StreamPrinter extends Thread {
InputStream is;
String msg;
OutputStream os;
public StreamPrinter(InputStream stream, String type) {
this(stream, type, null);
}
public StreamPrinter(InputStream stream, String type, OutputStream redirect) {
is = stream;
msg = type;
os = redirect;
}
public void run() {
try {
PrintWriter pw = null;
if (os != null) {
pw = new PrintWriter(os);
}
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String line = br.readLine();
while (line != null) {
if (pw != null) {
pw.println(msg + " " + line);
}
line = br.readLine();
}
if (pw != null) {
pw.flush();
}
} catch (IOException ioe) {
throw new RuntimeException(ioe);
}
}
}
/**
*
* @author chenjianjx
*
*/
public class SystemProcessException extends Exception {
private int returnCode;
private String consoleOutput;
/**
*
*/
private static final long serialVersionUID = -6904952219344675845L;
public SystemProcessException(int returnCode, String consoleOutput) {
super();
this.returnCode = returnCode;
this.consoleOutput = consoleOutput;
}
public int getReturnCode() {
return returnCode;
}
public String getConsoleOutput() {
return consoleOutput;
}
}
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.jaxws.util.io.StreamPrinter;
/**
* Spawning a process from the OS
*
* @author chenjianjx
*
*/
public class SystemProcessUtils {
/**
* execture a program and returns console output
*/
public static String exec(String[] cmdArray) throws SystemProcessException {
try {
Process p = Runtime.getRuntime().exec(cmdArray);
ByteArrayOutputStream output = new ByteArrayOutputStream();
Thread errStreamThread = collectErrorStream(p, output);
Thread inputStreamThread = collectInputStream(p, output);
int returningCode = p.waitFor();
int timeout = 60000;
if (errStreamThread != null) {
errStreamThread.join(timeout);
}
if (inputStreamThread != null) {
inputStreamThread.join(timeout);
}
String consoleOutput = new String(output.toByteArray());
System.out.println(consoleOutput);
if (returningCode != 0) {
throw new SystemProcessException(returningCode, consoleOutput);
}
return consoleOutput;
} catch (IOException e) {
throw new IllegalStateException(e);
} catch (InterruptedException e) {
throw new IllegalStateException(e);
}
}
private static StreamPrinter collectInputStream(Process p, OutputStream out) {
if (p.getInputStream() != null) {
StreamPrinter infoStreamPrinter = new StreamPrinter(p.getInputStream(), "[INFO]", out);
infoStreamPrinter.start();
return infoStreamPrinter;
}
return null;
}
private static StreamPrinter collectErrorStream(Process p, OutputStream out) {
if (p.getErrorStream() != null) {
StreamPrinter errorStreamPrinter = new StreamPrinter(p.getErrorStream(), "[ERROR]", out);
errorStreamPrinter.start();
return errorStreamPrinter;
}
return null;
}
}