Example usage for java.lang Process getInputStream

List of usage examples for java.lang Process getInputStream

  1. HOME
  2. Java
  3. java
  4. java.lang.*
  5. Process
  6. 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:ape.KillNodeCommand.java

public boolean runImpl(String[] args) throws ParseException, IOException {
    if (Main.VERBOSE) {
        System.out.println("NodeType: " + args[0]);
    }//from ww w.j av a 2 s .  co  m

    String nodeType = args[0];

    if (nodeType.toLowerCase().equals("datanode") || nodeType.toLowerCase().equals("tasktracker")
            || nodeType.toLowerCase().equals("jobtracker") || nodeType.toLowerCase().equals("namenode")) {
        System.out.println("Kill is about to execute the following command:");

        /**
         * The line of code below sends a very ugly bash command to kill the corresponding process.
         * It gets a list of running processes, then greps it for the node type, then 
         * removes the result generated by running grep, then it gets the process ID of that line 
         * 
         */
        String cmd = "echo \"kill -9 \\$(ps -ef | grep -i " + nodeType
                + " | grep -v grep | grep -v ape | awk -F ' '  '{print \\$2}')\" > /tmp/kill-node.sh && chmod +x /tmp/kill-node.sh && /tmp/./kill-node.sh && rm /tmp/kill-node.sh";

        System.out.println(cmd);

        ProcessBuilder pb = new ProcessBuilder("bash", "-c", cmd);
        pb.redirectErrorStream(true);
        Process sh = pb.start();
        InputStream shIn = sh.getInputStream();
        try {
            if (sh.waitFor() != 0) {
                System.out.println("Executing Kill Command failed");
                return false;
            }
        } catch (InterruptedException e) {
            System.out.println(
                    "The kill command was killed before it could kill its target process.  Kind of ironic really...");
            e.printStackTrace();
            throw new RuntimeException();
        }
        int c;
        while ((c = shIn.read()) != -1) {
            System.out.write(c);
        }
        try {
            shIn.close();
        } catch (IOException e) {
            System.out.println("Could not close InputStream from the kill process.");
            e.printStackTrace();
            return false;
        }
    }

    else {
        System.out.println("Invalid node type: " + nodeType);
        System.out.println("Should be one of the following: DataNode, TaskTracker, NameNode, JobTracker.");
        return false;
    }
    return true;
}

From source file:com.playonlinux.wine.WineInstallationTest.java

@Test
public void testRun_RunWineVersion_ProcessRunsAndReturnsVersion() throws IOException {
    Process wineProcess = this.wineInstallationToTest.run(new File("/tmp"), "--version", null);

    InputStream inputStream = wineProcess.getInputStream();
    String processOutput = IOUtils.toString(inputStream);

    assertEquals("wine-1.7.26\n", processOutput);
}

From source file:fi.jumi.launcher.remote.ProcessStartingDaemonSummoner.java

@Override
public void connectToDaemon(SuiteConfiguration suite, DaemonConfiguration daemon,
        ActorRef<DaemonListener> listener) {
    // XXX: should we handle multiple connections properly, even though we are expecting only one?
    int port = daemonConnector.listenOnAnyPort(new OneTimeDaemonListenerFactory(
            withInitialMessageTimeout(listener.tell(), daemon.getStartupTimeout())));
    daemon = daemon.melt().setDaemonDir(steward.createDaemonDir(daemon.getJumiHome())).setLauncherPort(port)
            .freeze();// w ww  .  j  a va2 s . co m

    try {
        JvmArgs jvmArgs = new JvmArgsBuilder().setExecutableJar(steward.getDaemonJar(daemon.getJumiHome()))
                .setWorkingDir(Paths.get(suite.getWorkingDirectory())).setJvmOptions(suite.getJvmOptions())
                .setSystemProperties(daemon.toSystemProperties()).setProgramArgs(daemon.toProgramArgs())
                .freeze();
        Process process = processStarter.startJavaProcess(jvmArgs);
        copyInBackground(process.getInputStream(), outputListener); // TODO: write the output to a log file using OS pipes, read it from there with AppRunner
    } catch (Exception e) {
        throw Boilerplate.rethrow(e);
    }
}

From source file:com.thoughtworks.go.util.ProcessWrapper.java

private void close(Process p) {
    try {/*from  w  ww .ja  v a 2 s.com*/
        IOUtils.closeQuietly(p.getInputStream());
        IOUtils.closeQuietly(p.getOutputStream());
        IOUtils.closeQuietly(p.getErrorStream());
    } finally {
        if (p != null) {
            p.destroy();
        }
    }
}

From source file:com.web.searchlocal.flashpaper.thread.Covnert2SwfTask.java

/** 
 * /*from  ww  w  . jav a2s.  c om*/
 */
public void excute() {
    String tmpOutFile = outFile.getPath().concat(File.separator)
            .concat(inFile.getName().replaceAll("[.]{1}.*$", ".swf"));
    List<String> commandArray = new ArrayList<String>();
    commandArray.add(defaultCommand);
    commandArray.add(inFile.getPath());
    commandArray.add("-o");
    commandArray.add(tmpOutFile);
    ProcessBuilder pbObj = new ProcessBuilder();
    pbObj.command(commandArray);
    pbObj.directory(outFile);
    pbObj.redirectErrorStream(true);
    try {
        Process proObj = pbObj.start();
        final InputStream ins = proObj.getInputStream();
        final ByteBuffer byteBuffer = ByteBuffer.allocate(1024);
        Thread th = new Thread() {
            public void run() {
                ReadableByteChannel rbcObj = Channels.newChannel(ins);
                try {
                    while (rbcObj.read(byteBuffer) != -1) {
                        byteBuffer.flip();
                        logger.info(java.nio.charset.Charset.defaultCharset().decode(byteBuffer));
                        byteBuffer.clear();
                    }
                } catch (IOException e) {
                    logger.error(e);
                }
            }
        };
        th.setDaemon(true);
        th.start();
        try {
            proObj.waitFor();
            logger.error("??." + tmpOutFile);
        } catch (InterruptedException e) {
            logger.error(e);
        }
    } catch (IOException e) {
        logger.error(e);
    }
}

From source file:net.landora.video.playerbackends.GenericPlayerBackend.java

@Override
public void playFile(File file) {
    try {/*w  w  w . j  av a2 s .c  om*/
        List<String> args = new ArrayList<String>();
        args.add(ProgramsAddon.getInstance().getConfiguredPath(program));
        args.addAll(Arrays.asList(extraArgs));
        args.add(file.getAbsolutePath());

        ProcessBuilder process = new ProcessBuilder(args);
        process.redirectErrorStream(true);
        Process p = process.start();

        StringWriter buffer = new StringWriter();
        IOUtils.copy(p.getInputStream(), buffer);
        p.waitFor();

    } catch (Exception e) {
        log.error("Error playing file with " + program.getName() + ": " + file, e);
    }
}

From source file:com.haulmont.yarg.formatters.impl.doc.connector.LinuxProcessManager.java

protected List<String> execute(String... args) throws IOException {
    Process process = new ProcessBuilder(args).start();
    @SuppressWarnings("unchecked")
    List<String> lines = IOUtils.readLines(process.getInputStream());
    return lines;
}

From source file:FreeMemoryViewer.java

public double exec(String command) {
    StringBuffer buffer = new StringBuffer("");
    try {//ww  w  .  j  a  va 2  s.c  o m
        Process p = Runtime.getRuntime().exec(command);
        BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String line = null;
        while ((line = in.readLine()) != null) {
            buffer.append(line);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return Double.parseDouble(buffer.toString());
}

From source file:ca.canucksoftware.systoolsmgr.CommandLine.java

public boolean doCmd() {
    try {//  www  . ja  v a 2 s  . c  om
        response = null;
        ProcessBuilder pb = new ProcessBuilder(command);
        pb.redirectErrorStream(false);
        Process p = pb.start();
        String stdout = getTextFromStream(p.getInputStream());
        String stderr = getTextFromStream(p.getErrorStream());
        if (p.waitFor() != 0) {
            returnCode = p.exitValue();
        } else {
            returnCode = 0;
        }
        if (returnCode == 0) {
            response = stdout;
        } else {
            response = stderr;
        }
    } catch (Exception e) {
        response = e.getMessage();
        returnCode = -1;
    }
    return (returnCode == 0);
}

From source file:alluxio.cli.validation.ClusterConfConsistencyValidationTask.java

private Properties getNodeConf(String node) {
    try {//from  w  ww . j a  va 2s  . c  om
        String homeDir = Configuration.get(PropertyKey.HOME);
        String remoteCommand = String.format("%s/bin/alluxio getConf", homeDir);
        String localCommand = String.format(
                "ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no -tt %s \"bash %s\"", node, remoteCommand);
        String[] command = { "bash", "-c", localCommand };
        Properties properties = new Properties();
        Process process = Runtime.getRuntime().exec(command);
        properties.load(process.getInputStream());
        return properties;
    } catch (IOException e) {
        System.err.format("Unable to retrieve configuration for %s: %s.", node, e.getMessage());
        return null;
    }
}