Example usage for java.lang Runtime exec

Introduction

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

Prototype

public Process exec(String cmdarray[]) throws IOException

Source Link

Document

Executes the specified command and arguments in a separate process.

Usage

From source file:Main.java

public static void execCmd(String szCmd, boolean bCatchLog) {
    try {/*from   www  .  j  av a  2 s.c o  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:Main.java

public static int findProcessIdWithPS(String command) throws Exception {
    int procId = -1;
    Runtime r = Runtime.getRuntime();
    Process procPs = null;//from w  ww.  j a  va 2s .  c o m
    procPs = r.exec(SHELL_CMD_PS);

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

    while ((line = reader.readLine()) != null) {
        if (line.indexOf(' ' + command) != -1) {
            StringTokenizer st = new StringTokenizer(line, " ");
            st.nextToken(); // proc owner
            procId = Integer.parseInt(st.nextToken().trim());
            break;
        }
    }

    return procId;
}

From source file:Main.java

public static Map<String, String> getCPUInfo() {
    Map<String, String> cpuInfo = new HashMap<String, String>();
    Runtime runtime = Runtime.getRuntime();
    try {/*  w  w  w  .j a v a2 s.  c  om*/
        Process process = runtime.exec("cat /proc/cpuinfo");
        BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
        String line;
        while ((line = reader.readLine()) != null) {
            String[] strs = line.split(":");
            if (strs.length == 2) {
                cpuInfo.put(strs[0].trim(), strs[1].trim());
            }
        }
        reader.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return cpuInfo;
}

From source file:Main.java

public static void killProcess(String packageName) {
    String processId = "";
    try {//from w  w w  .ja  v a  2  s. c o m
        Runtime r = Runtime.getRuntime();
        Process p = r.exec("ps");
        BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String inline;
        while ((inline = br.readLine()) != null) {
            if (packageName != null) {
                if (inline.contains(packageName)) {
                    break;
                }
            } else {
                Log.e("PvTorrent_proc", "packageName is null");
            }

        }
        br.close();
        Log.i("PvTorrent_proc", "inline" + inline);
        if (inline != null) {

            StringTokenizer processInfoTokenizer = new StringTokenizer(inline);
            int count = 0;
            while (processInfoTokenizer.hasMoreTokens()) {
                count++;
                processId = processInfoTokenizer.nextToken();
                if (count == 2) {
                    break;
                }
            }
            Log.i("PvTorrent_proc", "kill process : " + processId);
            r.exec("kill -9 " + processId);
        }
    } catch (IOException ex) {
        Log.e("PvTorrent_proc", "kill" + ex.getStackTrace());
    }
}

From source file:Main.java

public static List<String> getSDCardPaths() {
    List<String> list = new ArrayList<String>();
    BufferedReader br = null;/*from   w w  w .ja v a2s.c om*/
    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:org.jkcsoft.java.util.OsHelper.java

public static void runOsCommand(String command, Log log) throws IOException {
    try {/* w w w  .jav a2  s  .  c om*/

        Runtime rt = Runtime.getRuntime();
        Process p = rt.exec(command);

        BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));

        BufferedReader stdError = new BufferedReader(new InputStreamReader(p.getErrorStream()));

        // read the output from the command

        log.info("Here is the standard output of the command:");
        String stLine = null;
        while ((stLine = stdInput.readLine()) != null) {
            log.info(stLine);
        }

        // read any errors from the attempted command
        log.info("Here is the standard error of the command (if any):");
        while ((stLine = stdError.readLine()) != null) {
            log.info(stLine);
        }
    } catch (IOException e) {
        log.error("running OS command", e);
        throw e;
    }
}

From source file:Main.java

/**
 * Try to delete directory in a fast way.
 *///from  ww w.  ja v  a2 s  .  c o  m
public static void deleteDirectoryQuickly(File dir) throws IOException {

    if (!dir.exists()) {
        return;
    }
    final File to = new File(dir.getAbsolutePath() + System.currentTimeMillis());
    dir.renameTo(to);
    if (!dir.exists()) {
        // rebuild
        dir.mkdirs();
    }

    // try to run "rm -r" to remove the whole directory
    if (to.exists()) {
        String deleteCmd = "rm -r " + to;
        Runtime runtime = Runtime.getRuntime();
        try {
            Process process = runtime.exec(deleteCmd);
            process.waitFor();
        } catch (IOException e) {

        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
    if (!to.exists()) {
        return;
    }
    deleteDirectoryRecursively(to);
    if (to.exists()) {
        to.delete();
    }
}

From source file:Main.java

public static int findProcessIdWithPS(String command) throws Exception {

    int procId = -1;

    Runtime r = Runtime.getRuntime();

    Process procPs;//from www.  ja v  a 2  s .  co  m

    procPs = r.exec(SHELL_CMD_PS);

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

    while ((line = reader.readLine()) != null) {
        if (line.contains(' ' + command)) {

            StringTokenizer st = new StringTokenizer(line, " ");
            st.nextToken(); // proc owner

            procId = Integer.parseInt(st.nextToken().trim());

            break;
        }
    }

    return procId;

}

From source file:biomine.bmvis2.pipeline.sources.StreamGraphSource.java

public static StreamGraphSource getNodeExpandProgramGraphSource(final String expandProgramName, VisualNode node)
        throws IOException, InterruptedException, GraphOperationException {
    String nodeId = node.getId();
    String cmd = expandProgramName + " " + nodeId;
    Logging.debug("expand", "Running command: " + cmd);
    Runtime run = Runtime.getRuntime();
    Process pr = run.exec(cmd);
    pr.waitFor();//from   w  w w .j a  v a 2 s  .  c  o  m

    StreamGraphSource s = new StreamGraphSource(pr.getInputStream(), "Neighborhood for " + nodeId);
    StreamGraphSource.assignPositions(s.getBMGraph(), node);
    return s;
}

From source file:com.crushpaper.ThreadedSynchronousStreamReader.java

/**
 * Synchronously forks a child process capturing its standard out and err
 * into StringBuffers. Returns the child process's exit code or -1 if it is
 * not available. It creates threads for each stream because that is
 * required in Java to avoid the possibility of deadlock.
 *//*ww  w .  ja  va 2  s .co  m*/
public static int exec(StringBuffer output, StringBuffer error, String args[]) {
    try {
        String osName = System.getProperty("os.name");
        if (osName.equals("Windows 95")) {
            String[] prefix = new String[2];
            prefix[0] = "command.com";
            prefix[1] = "/C";
            args = ArrayUtils.addAll(prefix, args);
        } else if (osName.startsWith("Windows")) {
            String[] prefix = new String[2];
            prefix[0] = "cmd.exe";
            prefix[1] = "/C";
            args = ArrayUtils.addAll(prefix, args);
        }

        Runtime runtime = Runtime.getRuntime();
        Process childProcess = runtime.exec(args);
        ReaderThread errorReader = new ReaderThread(childProcess.getErrorStream(), output);
        ReaderThread outputReader = new ReaderThread(childProcess.getInputStream(), error);
        errorReader.start();
        outputReader.start();
        int exitValue = childProcess.waitFor();
        return exitValue;
    } catch (Throwable t) {
        t.printStackTrace();
    }

    return -1;
}