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:org.kiji.bento.box.tools.UpgradeInstallTool.java

/**
 * Take all stdout/stderr from a running subprocess and print it to our stdout.
 *
 * @param proc the process to consume input from.
 * @throws IOException if there's an error reading from the stream.
 *//*from   w w w  .ja  va 2s  . c o  m*/
private static void printProcessOutput(Process proc) throws IOException {
    final BufferedReader inputReader = new BufferedReader(
            new InputStreamReader(proc.getInputStream(), "UTF-8"));
    try {
        while (true) {
            // Read and echo all stdout/stderr from the subprocess here.
            String line = inputReader.readLine();
            if (null == line) {
                break;
            }

            System.out.println(line.trim());
        }
    } finally {
        IOUtils.closeQuietly(inputReader);
    }
}

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From source file:io.appium.java_client.service.local.AppiumServiceBuilder.java

private static File findNodeInCurrentFileSystem() {
    Runtime rt = Runtime.getRuntime();
    String instancePath;/*from  w w  w . ja v a 2s . c om*/
    Process p = null;
    try {
        p = rt.exec(returnCommandThatSearchesForDefaultNode());
        p.waitFor();
        instancePath = getProcessOutput(p.getInputStream());
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        if (p != null)
            p.destroy();
    }

    File result;
    if (StringUtils.isBlank(instancePath)
            || !(result = new File(instancePath + File.separator + NODE_MODULES_FOLDER + APPIUM_NODE_MASK))
                    .exists())
        throw new InvalidServerInstanceException(
                "There is no installed nodes! Please install "
                        + " node via NPM (https://www.npmjs.com/package/appium#using-node-js) or download and "
                        + "install Appium app (http://appium.io/downloads.html)",
                new IOException("The installed appium node package has not been found."));

    return result;
}

---

From source file:Main.java

public static String executeCommand(String[] args) {
    String result = new String();
    ProcessBuilder processBuilder = new ProcessBuilder(args);
    Process process = null;
    InputStream errIs = null;//  www. j a  v  a  2 s  . c  o  m
    InputStream inIs = null;
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        int read = -1;
        process = processBuilder.start();
        errIs = process.getErrorStream();
        while ((read = errIs.read()) != -1) {
            baos.write(read);
        }
        baos.write('\n');
        inIs = process.getInputStream();
        while ((read = inIs.read()) != -1) {
            baos.write(read);
        }
        byte[] data = baos.toByteArray();
        result = new String(data);
    } catch (Exception e) {
        Log.e(TAG, e.getMessage(), e);
    } finally {
        try {
            if (errIs != null) {
                errIs.close();
            }
            if (inIs != null) {
                inIs.close();
            }
        } catch (IOException e) {
            Log.e(TAG, e.getMessage(), e);
        }
        if (process != null) {
            process.destroy();
        }
    }
    return result;
}

---

From source file:com.sshtools.common.util.X11Util.java

public static X11Cookie getCookie(XDisplay xdisplay) {
    if (System.getProperty("os.name").startsWith("Windows"))
        return getRNDCookie();
    log.debug("Getting X11 cookie using xauth");
    try {/*from w w w.  j av a2  s  .  c  o m*/
        String host = xdisplay.getHost();
        String display = host + ":" + xdisplay.getDisplay();
        String cmd = "xauth list " + display + " 2>/dev/null";
        if (host == null || host.equals("localhost") || host.equals("unix")) {
            cmd = "xauth list :" + xdisplay.getDisplay() + " 2>/dev/null";
        }

        Process process = null;
        InputStream in = null;
        OutputStream out = null;
        try {
            log.debug("Executing " + cmd);
            process = Runtime.getRuntime().exec(cmd);
            BufferedReader reader = new BufferedReader(new InputStreamReader(in = process.getInputStream()));
            out = process.getOutputStream();
            String line = null;
            String cookie = null;
            while ((line = reader.readLine()) != null) {
                log.debug(line);
                StringTokenizer t = new StringTokenizer(line);
                try {
                    String fhost = t.nextToken();
                    String type = t.nextToken();
                    String value = t.nextToken();
                    if (cookie == null) {
                        cookie = value;
                        log.debug("Using cookie " + cookie);
                    }
                    return expand(type, cookie);
                } catch (Exception e) {
                    log.error("Unexpected response from xauth.", e);
                    log.warn("Trying random data.");
                    return getRNDCookie();
                }
            }
        } finally {
            IOUtil.closeStream(in);
            IOUtil.closeStream(out);
        }
        return getRNDCookie();
    } catch (Exception e) {
        log.warn("Had problem finding xauth data (" + e + ") trying random data.");
        return getRNDCookie();
    }
}

---

From source file:org.spring.data.gemfire.AbstractGemFireIntegrationTest.java

protected static ServerLauncher startGemFireServer(final long waitTimeout, final String cacheXmlPathname,
        final Properties gemfireProperties) throws IOException {
    String gemfireMemberName = gemfireProperties.getProperty(DistributionConfig.NAME_NAME);
    String serverId = DATE_FORMAT.format(Calendar.getInstance().getTime());

    gemfireMemberName = String.format("%1$s-%2$s",
            (StringUtils.hasText(gemfireMemberName) ? gemfireMemberName : ""), serverId);

    File serverWorkingDirectory = FileSystemUtils.createFile(gemfireMemberName.toLowerCase());

    Assert.isTrue(FileSystemUtils.createDirectory(serverWorkingDirectory),
            String.format("Failed to create working directory (%1$s) in which the GemFire Server will run!",
                    serverWorkingDirectory));

    ServerLauncher serverLauncher = buildServerLauncher(cacheXmlPathname, gemfireProperties, serverId,
            DEFAULT_SERVER_PORT, serverWorkingDirectory);

    List<String> serverCommandLine = buildServerCommandLine(serverLauncher);

    System.out.printf("Starting GemFire Server in (%1$s)...%n", serverWorkingDirectory);

    Process serverProcess = ProcessUtils.startProcess(
            serverCommandLine.toArray(new String[serverCommandLine.size()]), serverWorkingDirectory);

    readProcessStream(serverId, "ERROR", serverProcess.getErrorStream());
    readProcessStream(serverId, "OUT", serverProcess.getInputStream());
    waitOnServer(waitTimeout, serverProcess, serverWorkingDirectory);

    return serverLauncher;
}

---

From source file:javadepchecker.Main.java

/**
 * Get jar names from the Gentoo package and store in a collection
 *
 * @param pkg Gentoo package name//w  w w  . jav a  2 s  .c  om
 * @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.qq.tars.tools.SystemUtils.java

public static Pair<Integer, Pair<String, String>> exec(String command) {
    log.info("start to exec shell, command={}", command);

    try {/*from w w  w. j a  va2  s. co m*/
        Process process = Runtime.getRuntime().exec("/bin/sh");

        OutputStream os = process.getOutputStream();
        os.write(command.getBytes());
        os.close();

        final StringBuilder stdout = new StringBuilder(1024);
        final StringBuilder stderr = new StringBuilder(1024);
        final BufferedReader stdoutReader = new BufferedReader(
                new InputStreamReader(process.getInputStream(), "GBK"));
        final BufferedReader stderrReader = new BufferedReader(
                new InputStreamReader(process.getErrorStream(), "GBK"));

        new Thread(() -> {
            String line;
            try {
                while (null != (line = stdoutReader.readLine())) {
                    stdout.append(line).append("\n");
                }
            } catch (IOException e) {
                log.error("read stdout error", e);
            }
        }).start();

        new Thread(() -> {
            String line;
            try {
                while (null != (line = stderrReader.readLine())) {
                    stderr.append(line).append("\n");
                }
            } catch (IOException e) {
                log.error("read stderr error", e);
            }
        }).start();

        int ret = process.waitFor();

        stdoutReader.close();
        stderrReader.close();

        Pair<String, String> output = Pair.of(stdout.toString(), stderr.toString());
        return Pair.of(ret, output);
    } catch (Exception e) {
        return Pair.of(-1, Pair.of("", ExceptionUtils.getStackTrace(e)));
    }
}

---

From source file:FileUtil.java

/**
 *  Runs a simple command in given directory.
 *  The environment is inherited from the parent process (e.g. the
 *  one in which this Java VM runs)./*from w w  w  .j a  v a 2 s.com*/
 *
 *  @return Standard output from the command.
 *  @param  command The command to run
 *  @param  directory The working directory to run the command in
 *  @throws IOException If the command failed
 *  @throws InterruptedException If the command was halted
 */
public static String runSimpleCommand(String command, String directory)
        throws IOException, InterruptedException {
    StringBuffer result = new StringBuffer();

    System.out.println("Running simple command " + command + " in " + directory);

    Process process = Runtime.getRuntime().exec(command, null, new File(directory));

    BufferedReader stdout = null;
    BufferedReader stderr = null;

    try {
        stdout = new BufferedReader(new InputStreamReader(process.getInputStream()));
        stderr = new BufferedReader(new InputStreamReader(process.getErrorStream()));

        String line;

        while ((line = stdout.readLine()) != null) {
            result.append(line + "\n");
        }

        StringBuffer error = new StringBuffer();
        while ((line = stderr.readLine()) != null) {
            error.append(line + "\n");
        }

        if (error.length() > 0) {
            System.out.println("Command failed, error stream is: " + error);
        }

        process.waitFor();

    } finally {
        // we must close all by exec(..) opened streams: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4784692
        process.getInputStream().close();
        if (stdout != null)
            stdout.close();
        if (stderr != null)
            stderr.close();
    }

    return result.toString();
}

---

From source file:ExifUtils.ExifReadWrite.java

private static ArrayList<String> exifTool_builder(String[] parameters, File directory) {
    //        final String command[] = "exiftool " + parameters;
    ArrayList<String> lines = new ArrayList<>();
    try {//from   w  ww. j av a  2  s .  c  om
        ProcessBuilder processBuilder = new ProcessBuilder(parameters).directory(directory);
        Process p = processBuilder.start();
        final BufferedReader stdinReader = new BufferedReader(
                new InputStreamReader(p.getInputStream(), "ISO-8859-1"));
        final BufferedReader stderrReader = new BufferedReader(
                new InputStreamReader(p.getErrorStream(), "ISO-8859-1"));
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    String s;
                    while ((s = stdinReader.readLine()) != null) {
                        lines.add(s);
                    }
                } catch (IOException e) {
                }
            }
        }).start();
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    String s;
                    while ((s = stderrReader.readLine()) != null) {
                        lines.add(s);
                    }
                } catch (IOException e) {
                }
            }
        }).start();
        int returnVal = p.waitFor();
    } catch (Exception e) {
        errorOut("xmp", e);
    }
    return lines;
}

---

From source file:com.l2jfree.sql.L2DataSource.java

protected static final void writeBackup(String databaseName, Process run) {
    try {// w ww. jav a  2  s.c  o  m
        boolean success = false;

        InputStream in = null;
        try {
            in = run.getInputStream();

            success = writeBackup(databaseName, in);
        } catch (IOException e) {
            _log.warn("DatabaseBackupManager: Could not make backup:", e);
        } finally {
            IOUtils.closeQuietly(in);
        }

        if (!success) {
            BufferedReader br = null;
            try {
                br = new BufferedReader(new InputStreamReader(run.getErrorStream()));

                for (String line; (line = br.readLine()) != null;)
                    _log.warn("DatabaseBackupManager: " + line);
            } catch (Exception e) {
                _log.warn("DatabaseBackupManager: Could not make backup:", e);
            } finally {
                IOUtils.closeQuietly(br);
            }
        }

        run.waitFor();
    } catch (Exception e) {
        _log.warn("DatabaseBackupManager: Could not make backup:", e);
    }
}

---

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