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/* | |
http://www.javaworld.com/article/2071275/core-java/when-runtime-exec---won-t.html?page=2 | |
*/ | |
import java.util.*; | |
import java.io.*; | |
class StreamGobbler extends Thread | |
{ | |
InputStream is; | |
String type; | |
StreamGobbler(InputStream is, String type) | |
{ | |
this.is = is; | |
this.type = type; | |
} | |
public void run() | |
{ | |
try | |
{ | |
InputStreamReader isr = new InputStreamReader(is); | |
BufferedReader br = new BufferedReader(isr); | |
String line=null; | |
while ( (line = br.readLine()) != null) | |
System.out.println(type + ">" + line); | |
} catch (IOException ioe) | |
{ | |
ioe.printStackTrace(); | |
} | |
} | |
} | |
public class GoodWindowsExec | |
{ | |
public static void main(String args[]) | |
{ | |
if (args.length < 1) | |
{ | |
System.out.println("USAGE: java GoodWindowsExec <cmd>"); | |
System.exit(1); | |
} | |
try | |
{ | |
String osName = System.getProperty("os.name" ); | |
String[] cmd = new String[3]; | |
if( osName.equals( "Windows NT" ) ) | |
{ | |
cmd[0] = "cmd.exe" ; | |
cmd[1] = "/C" ; | |
cmd[2] = args[0]; | |
} | |
else if( osName.equals( "Windows 95" ) ) | |
{ | |
cmd[0] = "command.com" ; | |
cmd[1] = "/C" ; | |
cmd[2] = args[0]; | |
} | |
Runtime rt = Runtime.getRuntime(); | |
System.out.println("Execing " + cmd[0] + " " + cmd[1] | |
+ " " + cmd[2]); | |
Process proc = rt.exec(cmd); | |
// any error message? | |
StreamGobbler errorGobbler = new | |
StreamGobbler(proc.getErrorStream(), "ERROR"); | |
// any output? | |
StreamGobbler outputGobbler = new | |
StreamGobbler(proc.getInputStream(), "OUTPUT"); | |
// kick them off | |
errorGobbler.start(); | |
outputGobbler.start(); | |
// any error??? | |
int exitVal = proc.waitFor(); | |
System.out.println("ExitValue: " + exitVal); | |
} catch (Throwable t) | |
{ | |
t.printStackTrace(); | |
} | |
} | |
} |
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