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:edu.berkeley.sparrow.daemon.util.Resources.java

public static int getSystemMemoryMb(Configuration conf) {
    int systemMemory = -1;
    try {//  w  w w .j av a 2 s  .  com
        Process p = Runtime.getRuntime().exec("cat /proc/meminfo");
        BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String line = in.readLine();
        while (line != null) {
            if (line.contains("MemTotal")) {
                String[] parts = line.split("\\s+");
                if (parts.length > 1) {
                    int memory = Integer.parseInt(parts[1]) / 1000;
                    systemMemory = memory;
                }
            }
            line = in.readLine();
        }
    } catch (IOException e) {
    }
    if (conf.containsKey(SparrowConf.SYSTEM_MEMORY)) {
        return conf.getInt(SparrowConf.SYSTEM_MEMORY);
    } else {
        if (systemMemory != -1) {
            return systemMemory;
        } else {
            return SparrowConf.DEFAULT_SYSTEM_MEMORY;
        }
    }
}

From source file:Main.java

/**
 * Check that console output contains the specified text
 *
 * @param command    Console command/*from   ww w.  ja v  a 2s.c o  m*/
 * @param outputLine Text to check for
 * @return True if the output line was found in the logs from the given
 * command, false otherwise.
 */
public static boolean checkConsole(String command, String outputLine) throws Exception {

    boolean stringFound = false;
    Process process = Runtime.getRuntime().exec(command);
    String line;
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));

    while ((line = bufferedReader.readLine()) != null) {
        if (line.contains(outputLine)) {
            stringFound = true;
            break;
        }

    }
    return stringFound;
}

From source file:Main.java

private static void initProcess() {
    if (process == null)
        try {//  w w w. ja v  a 2 s. c  o  m
            process = Runtime.getRuntime().exec("su");

        } catch (Exception e) {
            e.printStackTrace();
        }
}

From source file:SystemKit.java

/**
 * @return total memory available by the VM in kilobytes.
 *
 * @author Klaus Meffert//from   w ww  .  ja  v a  2  s  .c  o m
 * @since 3.2.1
 */
public static double getTotalMemoryKB() {
    return (Runtime.getRuntime().totalMemory() / 1024);
}

From source file:Main.java

public static List<String> getSDCardPaths() {
    List<String> list = new ArrayList<String>();
    BufferedReader br = null;/*from  w  ww . j  a  va2  s .co  m*/
    try {
        Runtime runtime = Runtime.getRuntime();
        Process proc = runtime.exec("mount");
        InputStream is = proc.getInputStream();
        InputStreamReader isr = new InputStreamReader(is);
        String line;
        br = new BufferedReader(isr);
        while ((line = br.readLine()) != null) {
            if (line.contains("secure"))
                continue;
            if (line.contains("asec"))
                continue;

            if (line.contains("fat")) {
                String columns[] = line.split(" ");
                if (columns != null && columns.length > 1) {
                    list.add(columns[1]);
                }
            } else if (line.contains("fuse")) {
                String columns[] = line.split(" ");
                if (columns != null && columns.length > 1) {
                    list.add(columns[1]);
                }
            }
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (br != null) {
            try {
                br.close();
            } catch (IOException e) {
            }
        }
    }
    return list;
}

From source file:Main.java

public static int findProcessIdWithPidOf(String command) throws Exception {

    int procId = -1;

    Runtime r = Runtime.getRuntime();

    Process procPs = null;//ww  w. ja v a 2  s . c  o m

    String baseName = new File(command).getName();
    // fix contributed my mikos on 2010.12.10
    procPs = r.exec(new String[] { SHELL_CMD_PIDOF, baseName });
    // procPs = r.exec(SHELL_CMD_PIDOF);

    BufferedReader reader = new BufferedReader(new InputStreamReader(procPs.getInputStream()));
    String line = null;

    while ((line = reader.readLine()) != null) {

        try {
            // this line should just be the process id
            procId = Integer.parseInt(line.trim());
            break;
        } catch (NumberFormatException e) {
            Log.e("TorServiceUtils", "unable to parse process pid: " + line, e);
        }
    }

    return procId;

}

From source file:Main.java

/**
 * 
 * @return
 */
public static int getNbCpus() {
    return Runtime.getRuntime().availableProcessors();
}

From source file:Main.java

public static void killProcesses(Context context, int pid, String processName) {

    String cmd = "kill -9 " + pid;
    String Command = "am force-stop " + processName + "\n";
    Process sh = null;/*from  w  w  w.ja v  a  2 s.  c  o m*/
    DataOutputStream os = null;
    try {
        sh = Runtime.getRuntime().exec("su");
        os = new DataOutputStream(sh.getOutputStream());
        os.writeBytes(Command + "\n");
        os.writeBytes(cmd + "\n");
        os.writeBytes("exit\n");
        os.flush();

    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    try {
        sh.waitFor();
    } catch (InterruptedException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    // AbLogUtil.d(AbAppUtil.class, "#kill -9 "+pid);
    // L.i(processName);
    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    String packageName = null;
    try {
        if (processName.indexOf(":") == -1) {
            packageName = processName;
        } else {
            packageName = processName.split(":")[0];
        }

        activityManager.killBackgroundProcesses(packageName);

        //
        Method forceStopPackage = activityManager.getClass().getDeclaredMethod("forceStopPackage",
                String.class);
        forceStopPackage.setAccessible(true);
        forceStopPackage.invoke(activityManager, packageName);
    } catch (Exception e) {
        e.printStackTrace();
    }

}

From source file:ch.epfl.eagle.daemon.util.Resources.java

public static int getSystemMemoryMb(Configuration conf) {
    int systemMemory = -1;
    try {//  ww w . java  2s  .  c  o  m
        Process p = Runtime.getRuntime().exec("cat /proc/meminfo");
        BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String line = in.readLine();
        while (line != null) {
            if (line.contains("MemTotal")) {
                String[] parts = line.split("\\s+");
                if (parts.length > 1) {
                    int memory = Integer.parseInt(parts[1]) / 1000;
                    systemMemory = memory;
                }
            }
            line = in.readLine();
        }
    } catch (IOException e) {
    }
    if (conf.containsKey(EagleConf.SYSTEM_MEMORY)) {
        return conf.getInt(EagleConf.SYSTEM_MEMORY);
    } else {
        if (systemMemory != -1) {
            return systemMemory;
        } else {
            return EagleConf.DEFAULT_SYSTEM_MEMORY;
        }
    }
}

From source file:Main.java

private static String getSystemProperty() {
    String line = "";
    BufferedReader input = null;//from w  w  w .jav a  2 s  .  c o  m
    try {
        Process p = Runtime.getRuntime().exec("getprop");
        input = new BufferedReader(new InputStreamReader(p.getInputStream()), 2048);
        String ret = input.readLine();
        while (ret != null) {
            line += ret + "\n";
            ret = input.readLine();
        }
        input.close();
    } catch (IOException ex) {
        Log.e(TAG, "Unable to read sysprop", ex);
        return null;
    } finally {
        if (input != null) {
            try {
                input.close();
            } catch (IOException e) {
                Log.e(TAG, "Exception while closing InputStream", e);
            }
        }
    }
    return line;
}