Example usage for java.lang Process getInputStream

Introduction

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

Prototype

public abstract InputStream getInputStream();

Source Link

Document

Returns the input stream connected to the normal output of the process.

Usage

From source file:net.ftb.util.OSUtils.java

private static byte[] genHardwareIDMACOSX() {
    String line;//from  w w  w .jav  a 2s  .c om
    try {
        Process command = Runtime.getRuntime().exec(new String[] { "system_profiler", "SPHardwareDataType" });
        BufferedReader in = new BufferedReader(new InputStreamReader(command.getInputStream()));
        while ((line = in.readLine()) != null) {
            if (line.contains("Serial Number"))
            //TODO: does that more checks?
            {
                return line.split(":")[1].trim().getBytes();
            }
        }
        return new byte[] {};
    } catch (Exception e) {
        Logger.logDebug("failed", e);
        return new byte[] {};
    }
}

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From source file:hobby.wei.c.phone.Network.java

public static String PING(String host, boolean format) {
    final int PACKAGES = 4;
    String info = null;/*ww w .ja va  2  s  .co m*/
    String print = null;
    Process process = null;
    LineNumberReader reader = null;
    try {
        final String CMD = "ping -c " + PACKAGES + " " + host;
        if (format) {
            info = "ping-c" + PACKAGES + "-" + host.replace('.', '_');
        } else {
            print = CMD + "\n";
        }

        process = Runtime.getRuntime().exec(CMD);
        reader = new LineNumberReader(new InputStreamReader(process.getInputStream()));

        String line = null;
        boolean start = false;
        int index = -1;
        while ((line = reader.readLine()) != null) {
            if (!format) {
                print += line + "\n";
            } else {
                line = line.trim();
                if (line.toLowerCase().startsWith("ping")) {
                    line = line.substring(0, line.indexOf(')'));
                    line = line.replace("(", "");
                    line = line.replace(' ', '-');
                    line = line.replace('.', '_');
                    start = true;
                } else if (start) {
                    index = line.indexOf(':');
                    if (index > 0) {
                        //?ttl=53
                        line = line.substring(index + 1).trim();
                        index = line.indexOf(' ');
                        line = line.substring(index + 1, line.indexOf(' ', index + 3)).trim();
                        line = line.replace('=', '_');
                        start = false;
                    } else {
                        start = false;
                        continue;
                    }
                } else if (line.startsWith("" + PACKAGES)) {
                    index = line.indexOf(',');
                    line = line.substring(index + 1).trim();
                    line = line.substring(0, line.indexOf(' ')).trim();
                    line = line + "in" + PACKAGES + "received";
                } else if (line.startsWith("rtt")) {
                    line = line.replaceFirst(" ", "-");
                    line = line.replace(" ", "");
                    line = line.replace('/', '-');
                    line = line.replace('.', '_');
                    line = line.replace("=", "--");
                } else {
                    continue;
                }
                if (info == null)
                    info = line;
                info += "--" + line;
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (reader != null)
                reader.close();
            if (process != null)
                process.destroy(); //??
        } catch (IOException e) {
            //e.printStackTrace();
        }
    }
    return format ? info : print;
}

---

From source file:com.eucalyptus.storage.TGTWrapper.java

/**
 * executeTGTs the specified tgt command in a separate process. 
 * A {@link DirectStorageInfo#timeoutInMillis timeout} is enforced on 
 * the process using {@link java.util.concurrent.ExecutorService ExecutorService} 
 * framework. If the process does not complete with in the timeout, it is cancelled.
 * /* w w  w  . jav  a 2s  .  c  o m*/
 * @param command
 * @param timeout
 * @return CommandOutput
 * @throws EucalyptusCloudException
 */
private static CommandOutput execute(@NotNull String[] command, @NotNull Long timeout)
        throws EucalyptusCloudException, CallTimeoutException {
    try {
        Integer returnValue = -999999;
        Runtime runtime = Runtime.getRuntime();
        Process process = runtime.exec(command);
        StreamConsumer error = new StreamConsumer(process.getErrorStream());
        StreamConsumer output = new StreamConsumer(process.getInputStream());
        error.start();
        output.start();
        Callable<Integer> processMonitor = new ProcessMonitor(process);
        Future<Integer> processController = service.submit(processMonitor);
        try {
            returnValue = processController.get(timeout, TimeUnit.MILLISECONDS);
        } catch (TimeoutException tex) {
            String commandStr = buildCommand(command);
            LOG.error(commandStr + " timed out. Cancelling the process, logging a fault and exceptioning out");
            processController.cancel(true);
            Faults.forComponent(Storage.class).havingId(TGT_HOSED).withVar("component", "Storage Controller")
                    .withVar("timeout", Long.toString(timeout)).log();
            throw new CallTimeoutException("No response from the command " + commandStr
                    + ". Process timed out after waiting for " + timeout + " milliseconds");
        }
        output.join();
        error.join();
        LOG.debug("TGTWrapper executed: " + JOINER.join(command) + "\n return=" + returnValue + "\n stdout="
                + output.getReturnValue() + "\n stderr=" + error.getReturnValue());
        return new CommandOutput(returnValue, output.getReturnValue(), error.getReturnValue());
    } catch (CallTimeoutException e) {
        throw e;
    } catch (Exception ex) {
        throw new EucalyptusCloudException(ex);
    }
}

---

From source file:Main.java

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

    Process proc = null;
    int exitCode = -1;

    if (runAsRoot) {
        proc = Runtime.getRuntime().exec("su");
    } else {//  w w  w  .  j  ava 2  s.  c om
        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:org.kaaproject.kaa.sandbox.web.services.SandboxServiceImpl.java

private static String executeCommand(String... command) throws SandboxServiceException {

    StringBuilder output = new StringBuilder();
    Process process;/*  ww  w  .j a va 2 s.c  om*/

    try {
        process = Runtime.getRuntime().exec(command);
        process.waitFor();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
            String line = "";
            while ((line = reader.readLine()) != null) {
                output.append(line).append("\n");
            }
        }
    } catch (Exception ex) {
        throw Utils.handleException(ex);
    }
    return output.toString();
}

---

From source file:com.piusvelte.taplock.server.TapLockServer.java

protected static String getToggleAction() {
    String command = null;//from w w w . j  ava2  s  .  com
    if (OS == OS_NIX) {
        command = "gnome-screensaver-command -q";
        Process p = null;
        try {
            p = Runtime.getRuntime().exec(command);
        } catch (IOException e) {
            writeLog("Runtime.getRuntime().exec: " + e.getMessage());
        }
        if (p != null) {
            BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
            String line = null;
            try {
                line = reader.readLine();
            } catch (IOException e) {
                writeLog("reader.readLine: " + e.getMessage());
            }
            while (line != null) {
                if (line.contains("inactive"))
                    return ACTION_LOCK;
                else
                    return ACTION_UNLOCK;
            }
            return ACTION_UNLOCK;
        }
    }
    return ACTION_LOCK;
}

---

From source file:net.centro.rtb.monitoringcenter.metrics.system.os.OperatingSystemMetricSet.java

private static Double fetchIoWaitPercentage() {
    // Only Linux is supported
    if (!SystemUtils.IS_OS_LINUX) {
        return null;
    }/*from w  w  w  .  java2  s .c  o  m*/

    try {
        // Take the second sample from iostat, as the first one is a static value acquired at the machine start-up
        Process process = Runtime.getRuntime()
                .exec(new String[] { "bash", "-c", "iostat -c 1 2 | awk '/^ /{print $4}'" });

        BufferedReader errorStream = new BufferedReader(new InputStreamReader(process.getErrorStream()));
        BufferedReader resultStream = new BufferedReader(new InputStreamReader(process.getInputStream()));

        List<String> outputLines = new ArrayList<>();
        String line = null;
        while ((line = resultStream.readLine()) != null) {
            outputLines.add(line);
        }

        boolean error = false;
        while (errorStream.readLine() != null) {
            error = true;
        }

        errorStream.close();
        resultStream.close();

        try {
            int result = process.waitFor();
            if (result != 0) {
                logger.debug("iostat failed with return code {}", result);
            }
        } catch (InterruptedException e) {
            logger.debug("iostat was interrupted");
        }

        if (!error && outputLines.size() == 2) {
            String iowaitPercentStr = outputLines.get(outputLines.size() - 1);
            try {
                return Double.parseDouble(iowaitPercentStr);
            } catch (NumberFormatException e) {
                logger.debug("Error parsing iowait value from {}", iowaitPercentStr);
            }
        }
    } catch (Exception e) {
        logger.debug("Exception occurred while executing iostat command", e);

        if (InterruptedException.class.isInstance(e)) {
            Thread.currentThread().interrupt();
        }
    }

    return null;
}

---

From source file:elh.eus.absa.NLPpipelineWrapper.java

public static int eustaggerCall(String taggerCommand, String string, String fname) {

    try {/*from  w w  w .j  av  a  2s.  c om*/
        File temp = new File(fname);
        //System.err.println("eustaggerCall: created temp file: "+temp.getAbsolutePath());
        BufferedWriter bw = new BufferedWriter(new FileWriter(temp));
        bw.write(string + "\n");
        bw.close();

        String[] command = { taggerCommand, temp.getName() };
        System.err.println("Eustagger agindua: " + Arrays.toString(command));

        ProcessBuilder eustBuilder = new ProcessBuilder().command(command);
        eustBuilder.directory(new File(temp.getParent()));
        //.redirectErrorStream(true);
        Process eustagger = eustBuilder.start();
        int success = eustagger.waitFor();
        //System.err.println("eustagger succesful? "+success);
        if (success != 0) {
            System.err.println("eustaggerCall: eustagger error");
        } else {
            String tagged = fname + ".kaf";
            BufferedReader reader = new BufferedReader(new InputStreamReader(eustagger.getInputStream()));
            //new Eustagger_lite outputs to stdout. Also called ixa-pipe-pos-eu
            if (taggerCommand.contains("eustagger") || taggerCommand.contains("ixa-pipe")) {
                Files.copy(eustagger.getInputStream(), Paths.get(tagged));
            }
            // old eustagger (euslem)
            else {
                FileUtilsElh.renameFile(temp.getAbsolutePath() + ".etiketatua3", tagged);
            }
        }
        //
        // delete all temporal files used in the process.
        temp.delete();
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return -1;
    }

    return 0;
}

---

From source file:com.att.android.arodatacollector.utils.AROCollectorUtils.java

/**
 * find the process info/*  w  w  w. jav  a2  s  .  c  om*/
 * @param processName
 * @return
 * @throws IOException
 * @throws InterruptedException
 */
public static String executePS(String processName) throws IOException, InterruptedException {
    AROLogger.d(TAG, "entered ps...");

    final Process process = Runtime.getRuntime().exec("ps " + processName);
    final InputStreamReader inputStream = new InputStreamReader(process.getInputStream());
    final BufferedReader reader = new BufferedReader(inputStream);
    try {
        String line = null;

        int read;
        final char[] buffer = new char[4096];
        final StringBuffer output = new StringBuffer();
        while ((read = reader.read(buffer)) > 0) {
            output.append(buffer, 0, read);
        }
        // Waits for the command to finish.
        process.waitFor();
        //no need to destroy the process since waitFor() will wait until all subprocesses exit

        line = output.toString();
        return line;
    } finally {
        try {
            reader.close();
            inputStream.close();
            reader.close();

        } catch (Exception e) {
            AROLogger.e(TAG,
                    "Exception caught while closing resources in executePS. Error msg=" + e.getMessage());
            AROLogger.e(TAG, "execution will be allowed to continue");
        }

        AROLogger.d(TAG, "exiting ps...");
    }
}

---

From source file:Main.java

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

    Process proc = null;
    int exitCode = -1;

    if (runAsRoot)
        proc = Runtime.getRuntime().exec("su");
    else/* ww  w  . ja v a2 s .c o  m*/
        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;

}

---

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