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 String execRootCmd(String[] cmds) {
    String result = "";
    DataOutputStream dos = null;/*from   www.  j a  va 2  s  .  com*/
    DataInputStream dis = null;

    try {
        Process p = Runtime.getRuntime().exec("su");
        dos = new DataOutputStream(p.getOutputStream());
        dis = new DataInputStream(p.getInputStream());

        for (String cmd : cmds) {
            Log.i("CmdUtils", cmd);
            dos.writeBytes(cmd + "\n");
            dos.flush();
        }
        dos.writeBytes("exit\n");
        dos.flush();
        String line;
        while ((line = dis.readLine()) != null) {
            Log.d("result", line);
            result += line;
        }
        p.waitFor();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (dos != null) {
            try {
                dos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (dis != null) {
            try {
                dis.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return result;
}

From source file:Main.java

public static int execRootCmdForExitCode(String[] cmds) {
    int result = -1;
    DataOutputStream dos = null;/*from w w w .ja v  a 2 s.  c o m*/
    DataInputStream dis = null;

    try {
        Process p = Runtime.getRuntime().exec("su");
        dos = new DataOutputStream(p.getOutputStream());
        dis = new DataInputStream(p.getInputStream());

        for (String cmd : cmds) {
            Log.i("CmdUtils", cmd);
            dos.writeBytes(cmd + "\n");
            dos.flush();
        }
        dos.writeBytes("exit\n");
        dos.flush();
        String line;
        while ((line = dis.readLine()) != null) {
            Log.d("result", line);
        }
        p.waitFor();
        result = p.exitValue();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (dos != null) {
            try {
                dos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (dis != null) {
            try {
                dis.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return result;
}

From source file:Main.java

public static int doShellCommand(String[] cmds, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {

    Process proc = null;//from w ww  . j av a  2  s  . co  m
    int exitCode = -1;

    if (runAsRoot)
        proc = Runtime.getRuntime().exec("su");
    else
        proc = Runtime.getRuntime().exec("sh");

    OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());

    for (int i = 0; i < cmds.length; i++) {
        out.write(cmds[i]);
        out.write("\n");
    }

    out.flush();
    out.write("exit\n");
    out.flush();

    if (waitFor) {

        final char buf[] = new char[10];

        // Consume the "stdout"
        InputStreamReader reader = new InputStreamReader(proc.getInputStream());
        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        // Consume the "stderr"
        reader = new InputStreamReader(proc.getErrorStream());
        read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        exitCode = proc.waitFor();

    }

    return exitCode;

}

From source file:Main.java

/** Get number of processors allocated to JVM if the database supports
 * threaded access. /*from www .  j  a  v  a  2  s  .  co  m*/
 * 
 * @return number of processors allocated to JVM.
 */
public static String getNumberOfProcessors() {
    int result = 1;
    if (dbCanUseMultipleThreads) {
        result = Runtime.getRuntime().availableProcessors();
    }
    return result + "";
}

From source file:Main.java

public static int doShellCommand(String[] cmds, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {

    Process proc = null;//from w ww .j av a2  s.c  om
    int exitCode = -1;

    if (runAsRoot) {
        proc = Runtime.getRuntime().exec("su");
    } else {
        proc = Runtime.getRuntime().exec("sh");
    }

    OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());

    for (int i = 0; i < cmds.length; i++) {
        // TorService.logMessage("executing shell cmd: " + cmds[i] +
        // "; runAsRoot=" + runAsRoot + ";waitFor=" + waitFor);

        out.write(cmds[i]);
        out.write("\n");
    }

    out.flush();
    out.write("exit\n");
    out.flush();

    if (waitFor) {

        final char buf[] = new char[10];

        // Consume the "stdout"
        InputStreamReader reader = new InputStreamReader(proc.getInputStream());
        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null) {
                log.append(buf, 0, read);
            }
        }

        // Consume the "stderr"
        reader = new InputStreamReader(proc.getErrorStream());
        read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null) {
                log.append(buf, 0, read);
            }
        }

        exitCode = proc.waitFor();

    }

    return exitCode;

}

From source file:Main.java

private static ExecutorService getExecutorService() {
    if (executorService == null) {
        executorService = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 2 + 2);
    }//  ww  w  . ja  va2 s.  co m
    return executorService;
}

From source file:Main.java

public static String getSystemOutput(String paramString) {
    String str1 = "";
    try {//from  w  w w  . jav  a  2s  .  c  om
        Process localProcess = Runtime.getRuntime().exec(paramString);
        InputStream localInputStream = localProcess.getInputStream();
        InputStreamReader localInputStreamReader = new InputStreamReader(localInputStream);
        BufferedReader localBufferedReader = new BufferedReader(localInputStreamReader);
        for (;;) {
            String str2 = localBufferedReader.readLine();
            if (str2 == null) {
                break;
            }
            StringBuilder localStringBuilder1 = new StringBuilder();
            str1 = str1 + str2;
            StringBuilder localStringBuilder2 = new StringBuilder();
            str1 = str1 + "\n";
        }
        int i = localProcess.waitFor();
        PrintStream localPrintStream = System.out;
        StringBuilder localStringBuilder3 = new StringBuilder();
        localPrintStream.println("Process exitValue: " + i);
        return str1;
    } catch (Throwable localThrowable) {
        for (;;) {
            localThrowable.printStackTrace();
        }
    }
}

From source file:Main.java

public static File writeLog(String root, String filename) {
    StringBuilder log = new StringBuilder();
    try {//from w w w  .  j  a v a 2 s  .  co  m
        Process process = Runtime.getRuntime().exec("logcat -d");
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
        String line;
        while ((line = bufferedReader.readLine()) != null) {
            log.append(line).append("\n");
        }
    } catch (IOException e) {
        log.append(e.toString());
    }

    File file = new File(root, filename);

    try {
        FileOutputStream fOut = new FileOutputStream(file);
        OutputStreamWriter osw = new OutputStreamWriter(fOut);

        // Write the string to the file
        osw.write(log.toString());
        osw.flush();
        osw.close();

    } catch (Exception e) {
        Log.e(TAG, String.format("Failed to write log to [%s]", file), e);
    }
    return file;
}

From source file:Main.java

private static boolean installOrUninstallApk(String apkPath, String installOruninstall, String rOrP) {
    Process process = null;//  ww  w . j  ava  2 s  . com
    DataOutputStream os = null;
    String command = null;
    try {
        process = Runtime.getRuntime().exec("su");
        os = new DataOutputStream(process.getOutputStream());
        command = "pm " + installOruninstall + " " + rOrP + " " + apkPath + " \n";
        os.writeBytes(command);
        os.flush();
        os.close();
        process.waitFor();
        process.destroy();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    return false;
}

From source file:Main.java

public static int doShellCommand(String[] cmds, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {

    Process proc = null;//w ww .  j  a  v a 2  s  .co m
    int exitCode = -1;

    if (runAsRoot)
        proc = Runtime.getRuntime().exec("su");
    else
        proc = Runtime.getRuntime().exec("sh");

    OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());

    for (int i = 0; i < cmds.length; i++) {
        Log.d("the-onion-phone",
                "executing shell cmd: " + cmds[i] + "; runAsRoot=" + runAsRoot + ";waitFor=" + waitFor);

        out.write(cmds[i]);
        out.write("\n");
    }

    out.flush();
    out.write("exit\n");
    out.flush();

    if (waitFor) {

        final char buf[] = new char[10];

        // Consume the "stdout"
        InputStreamReader reader = new InputStreamReader(proc.getInputStream());
        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        // Consume the "stderr"
        reader = new InputStreamReader(proc.getErrorStream());
        read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        exitCode = proc.waitFor();

    }

    return exitCode;

}