Example usage for java.lang Process waitFor

Introduction

In this page you can find the example usage for java.lang Process waitFor.

Prototype

public abstract int waitFor() throws InterruptedException;

Source Link

Document

Causes the current thread to wait, if necessary, until the process represented by this Process object has terminated.

Usage

From source file:io.ingenieux.lambda.shell.LambdaShell.java

private static void runCommandArray(OutputStream os, String... args) throws Exception {
    PrintWriter pw = new PrintWriter(os, true);

    File tempPath = File.createTempFile("tmp-", ".sh");

    IOUtils.write(StringUtils.join(args, " "), new FileOutputStream(tempPath));

    List<String> processArgs = new ArrayList<>(Arrays.asList("/bin/bash", "-x", tempPath.getAbsolutePath()));

    ProcessBuilder psBuilder = new ProcessBuilder(processArgs).//
            redirectErrorStream(true);//

    final Process process = psBuilder.start();

    final Thread t = new Thread(() -> {
        try {//from w  w  w.  j a  v a2 s  .c o  m
            IOUtils.copy(process.getInputStream(), os);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    });

    t.start();

    process.waitFor();

    t.join();

    int resultCode = process.exitValue();
}

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From source file:ee.ria.xroad.proxy.ProxyMain.java

private static void readProxyVersion() {
    try {/*from www .  j  a v  a  2 s .  c o m*/
        String cmd;

        if (Files.exists(Paths.get("/etc/redhat-release"))) {
            cmd = "rpm -q --queryformat '%{VERSION}-%{RELEASE}' xroad-proxy";
        } else {
            cmd = "dpkg-query -f '${Version}' -W xroad-proxy";
        }

        Process p = Runtime.getRuntime().exec(cmd);
        p.waitFor();
        version = IOUtils.toString(p.getInputStream()).replace("'", "");

        if (StringUtils.isBlank(version)) {
            version = "unknown";

            log.warn("Unable to read proxy version: {}", IOUtils.toString(p.getErrorStream()));
        }
    } catch (Exception ex) {
        version = "unknown";
        log.warn("Unable to read proxy version", ex);
    }
}

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From source file:Main.java

public static boolean getRootPermission(Context context) {
    String packageCodePath = context.getPackageCodePath();
    Process process = null;
    DataOutputStream os = null;//from   w w w  .ja  v a 2s.  c  o m
    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;
}

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From source file:Main.java

public static boolean executeAsRoot(String command) {
    try {/*from   www.  j  a  v a2  s  .  c  om*/

        Process suProcess = Runtime.getRuntime().exec("su");
        DataOutputStream os = new DataOutputStream(suProcess.getOutputStream());

        os.writeBytes(command + "\n");
        os.flush();
        Log.d("ROOT", command);

        os.writeBytes("exit\n");
        os.flush();

        try {
            int suProcessRet = suProcess.waitFor();
            if (255 != suProcessRet)
                return true;
            else
                return false;
        } catch (Exception ex) {
            Log.w("ROOT-ERROR", ex);
        }
    } catch (IOException ex) {
        Log.w("ROOT", "Can't get root access", ex);
    } catch (SecurityException ex) {
        Log.w("ROOT", "Can't get root access", ex);
    } catch (Exception ex) {
        Log.w("ROOT", "Error executing internal operation", ex);
    }
    return false;
}

---

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  ww w .ja v  a 2s.  c om
        //res.add(osRes.readLine());
    }
    os.writeBytes("exit\n");
    os.flush();
    //process.destroy();
    process.waitFor();

    return res;
}

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From source file:alluxio.cli.ValidateEnv.java

private static boolean validateRemote(String node, String target, String name, CommandLine cmd)
        throws InterruptedException {
    System.out.format("Validating %s environment on %s...%n", target, node);
    if (!Utils.isAddressReachable(node, 22)) {
        System.err.format("Unable to reach ssh port 22 on node %s.%n", node);
        return false;
    }/*  ww w.ja  v a 2  s .co m*/

    // args is not null.
    String argStr = String.join(" ", cmd.getArgs());
    String homeDir = Configuration.get(PropertyKey.HOME);
    String remoteCommand = String.format("%s/bin/alluxio validateEnv %s %s %s", homeDir, target,
            name == null ? "" : name, argStr);
    String localCommand = String.format(
            "ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no -tt %s \"bash %s\"", node, remoteCommand);
    String[] command = { "bash", "-c", localCommand };
    try {
        ProcessBuilder builder = new ProcessBuilder(command);
        builder.redirectErrorStream(true);
        builder.redirectOutput(ProcessBuilder.Redirect.INHERIT);
        builder.redirectInput(ProcessBuilder.Redirect.INHERIT);
        Process process = builder.start();
        process.waitFor();
        return process.exitValue() == 0;
    } catch (IOException e) {
        System.err.format("Unable to validate on node %s: %s.%n", node, e.getMessage());
        return false;
    }
}

---

From source file:com.yahoo.storm.yarn.TestIntegration.java

@SuppressWarnings({ "rawtypes", "unchecked" })
private static int execute(List<String> cmd) throws InterruptedException, IOException {
    LOG.info(Joiner.on(" ").join(cmd));
    ProcessBuilder pb = new ProcessBuilder(cmd);
    Map env = pb.environment();/*from  w  w w  .  ja v a 2s. c o  m*/
    env.putAll(System.getenv());
    env.put(Environment.PATH.name(),
            "bin:" + storm_home + File.separator + "bin:" + env.get(Environment.PATH.name()));
    String yarn_conf_dir = yarn_site_xml.getParent().toString();
    env.put("STORM_YARN_CONF_DIR", yarn_conf_dir);
    List<URL> logback_xmls = Utils.findResources("logback.xml");
    if (logback_xmls != null && logback_xmls.size() >= 1) {
        String logback_xml = logback_xmls.get(0).getFile();
        LOG.debug("logback_xml:" + yarn_conf_dir + File.separator + "logback.xml");
        FileUtils.copyFile(new File(logback_xml), new File(yarn_conf_dir + File.separator + "logback.xml"));
    }
    List<URL> log4j_properties = Utils.findResources("log4j.properties");
    if (log4j_properties != null && log4j_properties.size() >= 1) {
        String log4j_properties_file = log4j_properties.get(0).getFile();
        LOG.debug("log4j_properties_file:" + yarn_conf_dir + File.separator + "log4j.properties");
        FileUtils.copyFile(new File(log4j_properties_file),
                new File(yarn_conf_dir + File.separator + "log4j.properties"));
    }

    Process proc = pb.start();
    Util.redirectStreamAsync(proc.getInputStream(), System.out);
    Util.redirectStreamAsync(proc.getErrorStream(), System.err);
    int status = proc.waitFor();
    return status;
}

---

From source file:net.mamian.mySpringboot.utils.ShellUtils.java

/**
 * /*from   w  w  w.  j a va 2 s  . com*/
 * 
 * @param shPath shell
 * @param param ?
 * @return 
 */
public static int exe(String shPath, String... param) {
    if (StringUtils.isEmpty(shPath)) {
        log.info("shell?shpath={}", shPath);
        return -1;
    }
    Process p;
    try {
        shPath = "chmod 755 " + shPath;
        if (null != param) {
            for (String paramItem : param) {
                shPath += " " + paramItem;
            }
        }
        log.info("shellshpath={}", shPath);
        p = Runtime.getRuntime().exec(shPath);
        p.waitFor();
        log.info("shellshpath={}", shPath);
    } catch (IOException | InterruptedException ex) {
        log.info("shellshpath={} exception={}", shPath, ex);
        return -1;
    }
    return 0;
}

---

From source file:javadepchecker.Main.java

/**
 * Get jar names from the Gentoo package and store in a collection
 *
 * @param pkg Gentoo package name/* w  ww  . ja va2  s  .com*/
 * @return a collection of jar names
 */
private static Collection<String> getPackageJars(String pkg) {
    ArrayList<String> jars = new ArrayList<>();
    try {
        Process p = Runtime.getRuntime().exec("java-config -p " + pkg);
        p.waitFor();
        BufferedReader in;
        in = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String output = in.readLine();
        if (output != null/* package somehow missing*/ && !output.trim().isEmpty()) {
            jars.addAll(Arrays.asList(output.split(":")));
        }
    } catch (InterruptedException | IOException ex) {
        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
    }
    return jars;
}

---

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.
 *///  www .j  a  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;
}

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