source: AE/installer2/src/net/oni2/aeinstaller/backend/appexecution/AppExecution.java@ 708

package net.oni2.aeinstaller.backend.appexecution;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Date;
import java.util.List;
import java.util.Vector;

/**
 * @author Christian Illy
 */
public class AppExecution {
        /**
         * Execute a short running application and wait for termination
         * 
         * @param cmdLine
         *            List of command and arguments
         * @return Error code and list of output lines
         * @throws IOException
         *             Exc
         */
        public static AppExecutionResult executeAndWait(Vector<String> cmdLine)
                        throws IOException {
                long start = new Date().getTime();
                ProcessBuilder pb = new ProcessBuilder(cmdLine);
                pb.redirectErrorStream(true);
                Process proc = pb.start();

                InputStream is = proc.getInputStream();
                InputStreamReader isr = new InputStreamReader(is);
                BufferedReader br = new BufferedReader(isr);

                String line;
                Vector<String> lines = new Vector<String>();

                while ((line = br.readLine()) != null) {
                        lines.add(line);
                }
                try {
                        proc.waitFor();
                } catch (InterruptedException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                }
                return new AppExecutionResult(proc.exitValue(), cmdLine, lines,
                                (int) (new Date().getTime() - start));
        }

        /**
         * Execute an app without waiting
         * 
         * @param cmd
         *            Command and parameters
         * @param workingDirectory
         *            Working directory of app
         */
        public static void execute(List<String> cmd, File workingDirectory) {
                try {
                        ProcessBuilder pb = new ProcessBuilder(cmd);
                        pb.directory(workingDirectory);
                        pb.start();
                } catch (IOException e) {
                        e.printStackTrace();
                }
        }

}