package installer; import java.util.*; import java.io.*; public class ExecCmd { public boolean exec( String cmd, String[] env ) { System.out.println("About to exectute " + cmd); final Process p; boolean result = false; try { Runtime rt = Runtime.getRuntime(); p=rt.exec( cmd, env ); new Thread(new Runnable() { public void run() { BufferedReader br_in = null; try { br_in = new BufferedReader(new InputStreamReader(p.getInputStream())); String buff = null; while ((buff = br_in.readLine()) != null) { System.out.println("Process out :" + buff); /*try { Thread.sleep(100); } catch(Exception e) {}*/ } System.out.println("finished reading out"); } catch (IOException ioe) { System.out.println("Exception caught printing javac result"); ioe.printStackTrace(); } finally { if ( br_in != null ) { try { br_in.close(); } catch( Exception e ) {} // nothing can be done } } } } ).start(); new Thread(new Runnable() { public void run() { BufferedReader br_err = null; try { br_err = new BufferedReader(new InputStreamReader(p.getErrorStream())); String buff = null; while ((buff = br_err.readLine()) != null) { System.out.println("Process err :" + buff); /*try {Thread.sleep(100); } catch(Exception e) {}*/ } System.out.println("finished reading err"); } catch (IOException ioe) { System.out.println("Exception caught printing javac result"); ioe.printStackTrace(); } finally { if ( br_err != null ) { try { br_err.close(); } catch( Exception e ) {} // nothing can be done } } } }).start(); int exitcode = p.waitFor(); if ( exitcode != 0 ) { System.out.println("cmd [" + cmd + "] failed" ); result= false; } else { System.out.println("cmd [" + cmd + "] completed successfully"); result= true; } } catch (Exception e) { System.out.println("Exception"); e.printStackTrace(); } System.out.println("command complete"); return result; } }