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:br.com.autonomiccs.autonomic.plugin.common.utils.ShellCommandUtils.java

/**
 * It executes the specified shell command and wait for the
 * end of command execution to continue with the application
 * flow./*  w w  w.  jav  a2 s  .  c om*/
 *
 * If an exception happens, it will get logged and the flow of execution continues.
 * This method will not break the flow of execution if an expected exception happens.
 *
 * @param command
 *            The command that will be executed.
 * @return
 *         A <code>String</code> that is the result from
 *         command executed.
 */
public String executeCommand(String command) {
    Writer output = new StringWriter();
    try {
        Process p = Runtime.getRuntime().exec(command);
        p.waitFor();
        IOUtils.copy(p.getInputStream(), output);
    } catch (IOException | InterruptedException e) {
        logger.error(String.format("An error happened while executing command[%s]", command), e);
    }
    return output.toString();
}

From source file:org.anarres.qemu.image.QEmuImage.java

@Nonnull
public QEmuImageInfo query() throws IOException {
    ProcessBuilder builder = new ProcessBuilder("qemu-img", "info", "--output=json", file.getAbsolutePath());
    Process process = builder.start();
    byte[] data = ByteStreams.toByteArray(process.getInputStream());
    ObjectMapper mapper = new ObjectMapper();
    return mapper.readValue(data, QEmuImageInfo.class);
}

From source file:com.github.ffremont.microservices.springboot.node.services.PsCommand.java

public PsCommandResult exec() {
    try {/*w w w  .  j a  v  a2 s  .com*/
        Process process = this.ps.start();

        return new PsCommandResult(IOUtils.toString(process.getInputStream()));
    } catch (IOException io) {
        LOG.error("Impossible de lancer la command 'ps'", io);
    }
    return null;
}

From source file:com.hortonworks.registries.storage.tool.shell.ShellMigrationExecutor.java

@Override
public void execute(Connection connection) throws SQLException {
    String scriptLocation = this.shellScriptResource.getLocationOnDisk();
    try {/*www.j  a va2s . com*/
        List<String> args = new ArrayList<String>();
        args.add(scriptLocation);
        ProcessBuilder builder = new ProcessBuilder(args);
        builder.redirectErrorStream(true);
        Process process = builder.start();
        Scanner in = new Scanner(process.getInputStream());
        System.out.println(StringUtils.repeat("+", 200));
        while (in.hasNextLine()) {
            System.out.println(in.nextLine());
        }
        int returnCode = process.waitFor();
        System.out.println(StringUtils.repeat("+", 200));
        if (returnCode != 0) {
            throw new FlywayException("script exited with value : " + returnCode);
        }
    } catch (Exception e) {
        LOG.error(e.toString());
        // Only if SQLException or FlywaySqlScriptException is thrown flyway will mark the migration as failed in the metadata table
        throw new SQLException(String.format("Failed to run script \"%s\", %s", scriptLocation, e.getMessage()),
                e);
    }
}

From source file:jeplus.EPlusWinTools.java

/**
 * /*from  ww  w .j a  v  a2  s .c  o m*/
 * @param xesoview
 * @param esofile
 * @return the exit code
 */
public static int runXEsoView(String xesoview, String esofile) {

    try {
        // Run EP-Macro executable
        String CmdLine = xesoview + " " + esofile;
        Process EPProc = Runtime.getRuntime().exec(CmdLine);

        BufferedReader ins = new BufferedReader(new InputStreamReader(EPProc.getInputStream()));

        int res = ins.read();
        if (res != -1) {
            do {
                res = ins.read();
            } while (res != -1);
            ins.close();
        }

        EPProc.waitFor();

    } catch (IOException | InterruptedException ex) {
        logger.error("", ex);
    }

    // Return Radiance exit value
    return 0;
}

From source file:it.evilsocket.dsploit.core.System.java

public static String getSuPath() {

    if (mSuPath != null)
        return mSuPath;

    try {/*from  w w w . j a  v  a  2  s.c o  m*/
        Process process = Runtime.getRuntime().exec("which su");
        BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
        String line = null;

        while ((line = reader.readLine()) != null) {
            if (line.isEmpty() == false && line.startsWith("/")) {
                mSuPath = line;
                break;
            }
        }

        return mSuPath;
    } catch (Exception e) {
        errorLogging(TAG, e);
    }

    return "su";
}

From source file:com.jbrisbin.vpc.jobsched.exe.ExeMessageHandler.java

public ExeMessage handleMessage(final ExeMessage msg) throws Exception {
    log.debug("handling message: " + msg.toString());

    List<String> args = msg.getArgs();
    args.add(0, msg.getExe());//  w  w  w.ja v a 2  s  . c om

    try {
        ProcessBuilder pb = new ProcessBuilder(args);
        pb.environment().putAll(msg.getEnv());
        pb.directory(new File(msg.getDir()));
        pb.redirectErrorStream(true);
        Process p = pb.start();

        BufferedInputStream stdout = new BufferedInputStream(p.getInputStream());
        byte[] buff = new byte[4096];
        for (int bytesRead = 0; bytesRead > -1; bytesRead = stdout.read(buff)) {
            msg.getOut().write(buff, 0, bytesRead);
        }

        p.waitFor();
    } catch (Throwable t) {
        log.error(t.getMessage(), t);
        Object errmsg = t.getMessage();
        if (null != errmsg) {
            msg.getOut().write(((String) errmsg).getBytes());
        }
    }
    return msg;
}

From source file:com.teradata.benchto.driver.macro.shell.ShellMacroExecutionDriver.java

private void printOutput(Process process, boolean stdoutAsError) throws IOException {
    logStream(process.getInputStream(), line -> {
        line = "stdout: " + line;
        if (stdoutAsError) {
            LOGGER.error(line);// w w w .j av  a 2  s.  c om
        } else {
            LOGGER.debug(line);
        }
    });
    logStream(process.getErrorStream(), line -> LOGGER.error("stderr: " + line));
}

From source file:io.schultz.dustin.service.VideoDownloaderService.java

public void download(final URL url, final OutputStream outputStream) {

    final String filename = downloaderProperties.getDownloadDir() + File.separator + "video-"
            + new Date().getTime() + ".mp4";

    List<String> cmd = new ArrayList<>();
    cmd.add(downloaderProperties.getDownloaderAbsolutePath());
    cmd.add(url.toString());//from   ww w.j a  v a2s .c  om
    cmd.add("-f mp4");
    cmd.add("-o" + filename);

    if (log.isDebugEnabled()) {
        log.debug("Running command: {}", cmd.stream().collect(Collectors.joining(" ")));
    }

    try {
        Process p = new ProcessBuilder().command(cmd).start();
        int c;
        while ((c = p.getInputStream().read()) != -1) {
            outputStream.write(c);
            outputStream.flush();
        }
    } catch (IOException e) {
        log.error("Unable to download video at {}", url, e);
    }
}

From source file:net.landora.video.programs.ProgramsAddon.java

public boolean isAvaliable(Program program) {
    String path = getConfiguredPath(program);
    if (path == null) {
        return false;
    }//ww w . ja  v a  2 s  . com

    ArrayList<String> command = new ArrayList<String>();
    command.add(path);
    command.addAll(program.getTestArguments());
    ProcessBuilder builder = new ProcessBuilder(command);
    builder.redirectErrorStream(true);

    try {
        Process p = builder.start();
        IOUtils.copy(p.getInputStream(), new NullOutputStream());
        p.waitFor();
        return true;
    } catch (Exception e) {
        log.info("Error checking for program: " + program, e);
        return false;
    }
}