Example usage for java.lang Runtime getRuntime

Introduction

In this page you can find the example usage for java.lang Runtime getRuntime.

Prototype

public static Runtime getRuntime() 

Source Link

Document

Returns the runtime object associated with the current Java application.

Usage

From source file:Main.java

public static boolean getRootPermission(Context context) {
    String packageCodePath = context.getPackageCodePath();
    Process process = null;/*  w  w w .j  av a2s .c o m*/
    DataOutputStream os = null;
    try {
        String cmd = "chmod 777 " + packageCodePath;
        process = Runtime.getRuntime().exec("su");
        os = new DataOutputStream(process.getOutputStream());
        os.writeBytes(cmd + "\n");
        os.writeBytes("exit\n");
        os.flush();
        process.waitFor();
    } catch (Exception e) {
        return false;
    } finally {
        try {
            if (os != null) {
                os.close();
            }
            process.destroy();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return true;
}

---

From source file:Main.java

/**
 * Run a command and return its output.//from   ww  w  . j a  v  a2s  . c  om
 */
public static String systemOut(String command) throws Exception {
    int c;
    String[] cmd = new String[3];
    cmd[0] = System.getProperty("SHELL", "/bin/sh");
    cmd[1] = "-c";
    cmd[2] = command;
    Process p = Runtime.getRuntime().exec(cmd);

    BufferedReader r = new BufferedReader(new InputStreamReader(p.getInputStream()));
    StringBuilder s = new StringBuilder();
    while ((c = r.read()) != -1) {
        s.append((char) c);
    }
    p.waitFor();

    return s.toString();
}

---

From source file:Main.java

public static void execCmd(String szCmd, boolean bCatchLog) {
    try {//from   w  w w . j  av a  2s .co m
        Log.d("PvTorrent_proc", "execCmd=" + szCmd);
        Runtime runtime = Runtime.getRuntime();
        Process process = runtime.exec(szCmd);

        if (bCatchLog) {
            InputStream is = process.getInputStream();
            InputStreamReader isr = new InputStreamReader(is);
            BufferedReader br = new BufferedReader(isr);
            String line = null;
            while (null != (line = br.readLine())) {
                Log.e("PvTorrent_proc", line);
            }
        }
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (Exception e) {
        // TODO Auto-generated catch block
        Log.d("PvTorrent_proc", e.toString());
    }
}

---

From source file:MainClass.java

public static void premain(final Instrumentation inst) {
    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            try {
                PrintWriter out = new PrintWriter(System.err);

                ThreadMXBean tb = ManagementFactory.getThreadMXBean();
                out.printf("Current thread count: %d%n", tb.getThreadCount());
                out.printf("Peak thread count: %d%n", tb.getPeakThreadCount());

                List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
                for (MemoryPoolMXBean pool : pools) {
                    MemoryUsage peak = pool.getPeakUsage();
                    out.printf("Peak %s memory used: %,d%n", pool.getName(), peak.getUsed());
                    out.printf("Peak %s memory reserved: %,d%n", pool.getName(), peak.getCommitted());
                }//from  ww  w  .j  a v  a 2  s . co m

                Class[] loaded = inst.getAllLoadedClasses();
                out.println("Loaded classes:");
                for (Class c : loaded)
                    out.println(c.getName());
                out.close();
            } catch (Throwable t) {
                System.err.println("Exception in agent: " + t);
            }
        }
    });
}

---

From source file:de.prozesskraft.pkraft.Merge.java

public static void main(String[] args) throws org.apache.commons.cli.ParseException, IOException {

    /*----------------------------
      get options from ini-file//from  w w w. j  av a  2 s. c om
    ----------------------------*/
    java.io.File inifile = new java.io.File(
            WhereAmI.getInstallDirectoryAbsolutePath(Merge.class) + "/" + "../etc/pkraft-merge.ini");

    if (inifile.exists()) {
        try {
            ini = new Ini(inifile);
        } catch (InvalidFileFormatException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (IOException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
    } else {
        System.err.println("ini file does not exist: " + inifile.getAbsolutePath());
        System.exit(1);
    }

    /*----------------------------
      create boolean options
    ----------------------------*/
    Option ohelp = new Option("help", "print this message");
    Option ov = new Option("v", "prints version and build-date");

    /*----------------------------
      create argument options
    ----------------------------*/
    Option oinstance = OptionBuilder.withArgName("FILE").hasArg()
            .withDescription("[mandatory] instance you want to merge another instance into.")
            //            .isRequired()
            .create("instance");

    Option oguest = OptionBuilder.withArgName("FILE").hasArg()
            .withDescription("[mandatory] this instance will be merged into -instance.")
            //            .isRequired()
            .create("guest");

    Option obasedir = OptionBuilder.withArgName("DIR").hasArg().withDescription(
            "[optional] in this base-directory the result instance (merge of -instance and -guest) will be placed. this directory has to exist. omit to use the base-directory of -instance.")
            //            .isRequired()
            .create("basedir");

    /*----------------------------
      create options object
    ----------------------------*/
    Options options = new Options();

    options.addOption(ohelp);
    options.addOption(ov);
    options.addOption(oinstance);
    options.addOption(oguest);
    options.addOption(obasedir);

    /*----------------------------
      create the parser
    ----------------------------*/
    CommandLineParser parser = new GnuParser();
    // parse the command line arguments
    commandline = parser.parse(options, args);

    /*----------------------------
      usage/help
    ----------------------------*/
    if (commandline.hasOption("help")) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp("merge", options);
        System.exit(0);
    }

    if (commandline.hasOption("v")) {
        System.out.println("author:  alexander.vogel@caegroup.de");
        System.out.println("version: [% version %]");
        System.out.println("date:    [% date %]");
        System.exit(0);
    }
    /*----------------------------
      ueberpruefen ob eine schlechte kombination von parametern angegeben wurde
    ----------------------------*/
    if (!(commandline.hasOption("instance"))) {
        System.err.println("option -instance is mandatory");
        exiter();
    }
    if (!(commandline.hasOption("guest"))) {
        System.err.println("at least one option -guest is mandatory");
        exiter();
    }

    /*----------------------------
      die lizenz ueberpruefen und ggf abbrechen
    ----------------------------*/

    // check for valid license
    ArrayList<String> allPortAtHost = new ArrayList<String>();
    allPortAtHost.add(ini.get("license-server", "license-server-1"));
    allPortAtHost.add(ini.get("license-server", "license-server-2"));
    allPortAtHost.add(ini.get("license-server", "license-server-3"));

    MyLicense lic = new MyLicense(allPortAtHost, "1", "user-edition", "0.1");

    // lizenz-logging ausgeben
    for (String actLine : (ArrayList<String>) lic.getLog()) {
        System.err.println(actLine);
    }

    // abbruch, wenn lizenz nicht valide
    if (!lic.isValid()) {
        System.exit(1);
    }

    /*----------------------------
      die eigentliche business logic
    ----------------------------*/
    String pathToInstance = commandline.getOptionValue("instance");
    java.io.File fileInstance = new java.io.File(pathToInstance);

    String[] pathToGuest = commandline.getOptionValues("guest");

    String baseDir = null;
    if (commandline.hasOption("basedir")) {
        java.io.File fileBaseDir = new java.io.File(commandline.getOptionValue("basedir"));
        if (!fileBaseDir.exists()) {
            System.err.println("basedir does not exist: " + fileBaseDir.getAbsolutePath());
            exiter();
        } else if (!fileBaseDir.isDirectory()) {
            System.err.println("basedir is not a directory: " + fileBaseDir.getAbsolutePath());
            exiter();
        }
        baseDir = commandline.getOptionValue("basedir");
    }

    // ueberpruefen ob die process.pmb files vorhanden sind
    // wenn es nicht vorhanden ist, dann mit fehlermeldung abbrechen
    if (!fileInstance.exists()) {
        System.err.println("instance file does not exist: " + fileInstance.getAbsolutePath());
        exiter();
    }
    for (String pathGuest : pathToGuest) {
        java.io.File fileGuest = new java.io.File(pathGuest);

        // wenn es nicht vorhanden ist, dann mit fehlermeldung abbrechen
        if (!fileGuest.exists()) {
            System.err.println("guest file does not exist: " + fileGuest.getAbsolutePath());
            exiter();
        }
    }

    // base - instance einlesen
    Process p1 = new Process();
    p1.setInfilebinary(pathToInstance);
    p1.setOutfilebinary(pathToInstance);
    Process p2 = p1.readBinary();

    // alle guests einlesen
    ArrayList<Process> alleGuests = new ArrayList<Process>();
    for (String actPathGuest : pathToGuest) {
        Process p30 = new Process();
        p30.setInfilebinary(actPathGuest);
        Process pGuest = p30.readBinary();

        // testen ob base-instanz und aktuelle guestinstanz vom gleichen typ sind
        if (!p2.getName().equals(pGuest.getName())) {
            System.err.println("error: instances are not from the same type (-instance=" + p2.getName()
                    + " != -guest=" + pGuest.getName());
            exiter();
        }

        // testen ob base-instanz und aktuelle guestinstanz von gleicher version sind
        if (!p2.getVersion().equals(pGuest.getVersion())) {
            System.err.println("error: instances are not from the same version (" + p2.getVersion() + "!="
                    + pGuest.getVersion());
            exiter();
        }

        alleGuests.add(pGuest);
    }

    // den main-prozess trotzdem nochmal einlesen um subprozesse extrahieren zu koennen
    Process p3 = new Process();
    p3.setInfilebinary(pathToInstance);
    Process process = p3.readBinary();

    // den main-prozess ueber die static function klonen
    // das anmelden bei pradar erfolgt erst ganz zum schluss, denn beim clonen werden nachfolgende steps resettet, die zu diesem zeitpunkt noch intakt sind
    Process clonedProcess = cloneProcess(process, null);

    // alle steps durchgehen und falls subprocesses existieren auch fuer diese ein cloning durchfuehren
    for (Step actStep : process.getStep()) {
        if (actStep.getSubprocess() != null) {
            Process pDummy = new Process();
            pDummy.setInfilebinary(actStep.getAbsdir() + "/process.pmb");
            Process processInSubprocess = pDummy.readBinary();
            //            System.err.println("info: reading process freshly from file: " + actStep.getAbsdir() + "/process.pmb");
            if (processInSubprocess != null) {
                Process clonedSubprocess = cloneProcess(processInSubprocess, clonedProcess);
                // den prozess in pradar anmelden durch aufruf des tools: pradar-attend
                String call2 = ini.get("apps", "pradar-attend") + " -instance " + clonedSubprocess.getRootdir()
                        + "/process.pmb";
                System.err.println("info: calling: " + call2);

                try {
                    java.lang.Process sysproc = Runtime.getRuntime().exec(call2);
                } catch (IOException e) {
                    System.err.println("error: " + e.getMessage());
                }
            }
        }
    }

    // alle dependent steps der zielinstanz einsammeln
    // dies wird zum resetten benoetigt, damit steps nicht doppelt resettet werden
    Map<Step, String> dependentSteps = new HashMap<Step, String>();

    // alle guest prozesse merge durchfuehren
    for (Process actGuestProcess : alleGuests) {
        System.err.println("info: merging guest process " + actGuestProcess.getInfilebinary());

        // alle fanned steps (ehemalige multisteps) des zu mergenden prozesses in die fanned multisteps des bestehenden prozesses integrieren
        for (Step actStep : actGuestProcess.getStep()) {
            if (actStep.isAFannedMultistep()) {
                System.err.println("info: merging from guest instance step " + actStep.getName());
                Step clonedStepForIntegrationInClonedProcess = actStep.clone();
                if (clonedProcess.integrateStep(clonedStepForIntegrationInClonedProcess)) {
                    System.err.println("info: merging step successfully.");
                    // die downstream steps vom merge-punkt merken
                    for (Step actStepToResetBecauseOfDependency : clonedProcess
                            .getStepDependent(actStep.getName())) {
                        dependentSteps.put(actStepToResetBecauseOfDependency, "dummy");
                    }

                    // der step einen subprocess enthaelt muss der subprocess nach der integration bei pradar gemeldet werden
                    // den prozess in pradar anmelden durch aufruf des tools: pradar-attend
                    if (clonedStepForIntegrationInClonedProcess.getSubprocess() != null
                            && clonedStepForIntegrationInClonedProcess.getSubprocess().getProcess() != null) {
                        String call5 = ini.get("apps", "pradar-attend") + " -instance "
                                + clonedStepForIntegrationInClonedProcess.getAbsdir() + "/process.pmb";
                        System.err.println("info: calling: " + call5);
                        try {
                            java.lang.Process sysproc = Runtime.getRuntime().exec(call5);
                        } catch (IOException e) {
                            System.err.println("error: " + e.getMessage());
                        }
                    }
                } else {
                    System.err.println("error: merging step failed.");
                }
            } else {
                System.err.println("debug: because it's not a multistep, ignoring from guest instance step "
                        + actStep.getName());
            }
        }
    }

    // alle steps downstream der merge-positionen resetten
    for (Step actStep : dependentSteps.keySet()) {
        actStep.resetBecauseOfDependency();
    }

    // speichern der ergebnis instanz
    clonedProcess.writeBinary();

    // den prozess in pradar anmelden durch aufruf des tools: pradar-attend
    String call2 = ini.get("apps", "pradar-attend") + " -instance " + clonedProcess.getRootdir()
            + "/process.pmb";
    System.err.println("info: calling: " + call2);

    try {
        java.lang.Process sysproc = Runtime.getRuntime().exec(call2);
    } catch (IOException e) {
        System.err.println("error: " + e.getMessage());
    }

}

---

From source file:Main.java

public static void createStorageFile(boolean flag) {
    try {//  w w  w  .j a  v a2 s  .  c  om
        if (flag) {
            Runtime.getRuntime().exec(TOUCHONEFILE);
        } else {
            Runtime.getRuntime().exec(DELETEONEFILE);
        }
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static List<String> execAsAdmin(String... commands) throws Exception {
    List<String> res = new ArrayList<String>();

    Process process = Runtime.getRuntime().exec("su");
    DataOutputStream os = new DataOutputStream(process.getOutputStream());
    for (String single : commands) {
        os.writeBytes(single + "\n");
        os.flush();//from  w w  w  .  j  a  va2 s.  com
        //res.add(osRes.readLine());
    }
    os.writeBytes("exit\n");
    os.flush();
    //process.destroy();
    process.waitFor();

    return res;
}

---

From source file:Main.java

public static void makeInternalCopy(Context c, String path, int resource) {
    InputStream is = c.getResources().openRawResource(resource);
    try {/*www .j  a v a 2 s  .co m*/

        Process process = Runtime.getRuntime().exec("su");
        DataOutputStream os = new DataOutputStream(process.getOutputStream());
        File sniff = new File(path);
        if (sniff.exists()) {
            os.writeBytes("rm " + path + "\n");
        }
        byte[] bytes = new byte[is.available()];

        FileOutputStream setdbOutStream = new FileOutputStream(path);
        DataInputStream dis = new DataInputStream(is);
        dis.readFully(bytes);

        setdbOutStream.write(bytes);
        setdbOutStream.close();

        os.writeBytes("chmod 777 " + path + "\n");
        os.writeBytes("exit\n");
        os.flush();
    } catch (Exception e) {
        //           Toast.makeText(c, "Error Copying file: " + e.toString(),Toast.LENGTH_SHORT).show();
        e.printStackTrace();
    }

}

---

From source file:com.kactech.otj.examples.Faucet.java

public static void main(String[] args) throws Exception {
    String channel = "#opentransactions"
    //"#kactech_test"
    ///*from   ww  w .  ja  v  a 2 s.  c  o  m*/
    ;
    CommandLineParser parser = new GnuParser();
    CommandLine cmd = null;
    try {
        cmd = parser.parse(options, args);
    } catch (Exception e) {
        System.err.println("Command-line parsing error: " + e.getMessage());
        help();
        System.exit(-1);
    }
    if (cmd.hasOption('h')) {
        help();
        System.exit(0);
    }
    if (cmd.hasOption('c'))
        channel = cmd.getOptionValue('c');
    Utils.init();
    client = new EClient(new File("faucet_client"), ExamplesUtils.findServer("OT 8coin")
    //ExamplesUtils.findServer("van")
    );
    client.setAssetType(ExamplesUtils.findAsset("silver").assetID);

    client.init();
    PircBotX bot = new PircBotX();

    bot.setName("OTjFaucet");
    bot.setLogin("fast");
    bot.setVerbose(true);
    bot.setAutoNickChange(true);
    bot.setCapEnabled(true);

    final IrcListener listener = new IrcListener(bot, client);
    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {

        @Override
        public void run() {
            if (client == null)
                return;
            client.saveState();
            try {
                client.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } finally {
                client = null;
            }
            try {
                listener.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }));
    bot.getListenerManager().addListener(listener);
    try {
        bot.connect("irc.freenode.net");
        bot.joinChannel(channel);
        if (false)
            while (true) {
                Thread.sleep(1000);
            }
        //bot.quitServer("end of test");

        while (bot.isConnected())
            Thread.sleep(100);
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        System.out.println("finally");
        bot.disconnect();
        client.saveState();
        client.close();
        client = null;
    }
}

---

From source file:Main.java

static void execPrivileged(final String[] cmd_array) throws Exception {
    try {//from   ww  w  .  j a v  a 2s  .  c o  m
        Process process = AccessController.doPrivileged(new PrivilegedExceptionAction<Process>() {
            public Process run() throws Exception {
                return Runtime.getRuntime().exec(cmd_array);
            }
        });
        // Close unused streams to make sure the child process won't hang
        process.getInputStream().close();
        process.getOutputStream().close();
        process.getErrorStream().close();
    } catch (PrivilegedActionException e) {
        throw (Exception) e.getCause();
    }
}

---

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