Example usage for java.lang ProcessBuilder ProcessBuilder

Introduction

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

Prototype

public ProcessBuilder(String... command) 

Source Link

Document

Constructs a process builder with the specified operating system program and arguments.

Usage

From source file:com.liferay.blade.samples.test.BladeCLIUtil.java

public static String execute(File workingDir, String... bladeArgs) throws Exception {

    String bladeCLIJarPath = getLatestBladeCLIJar();

    List<String> command = new ArrayList<>();

    command.add("java");
    command.add("-jar");
    command.add(bladeCLIJarPath);/*w  w  w. j  a  v a 2s .  com*/

    for (String arg : bladeArgs) {
        command.add(arg);
    }

    Process process = new ProcessBuilder(command.toArray(new String[0])).directory(workingDir).start();

    process.waitFor();

    InputStream stream = process.getInputStream();

    String output = new String(IO.read(stream));

    InputStream errorStream = process.getErrorStream();

    List<String> errorList = new ArrayList<>();

    if (errorStream != null) {
        errorList.add(new String(IO.read(errorStream)));
    }

    List<String> filteredErrorList = new ArrayList<>();

    for (String string : errorList) {
        if (!string.isEmpty() && !string.contains("Picked up JAVA_TOOL_OPTIONS:")) {

            filteredErrorList.add(string);
        }
    }

    assertTrue(filteredErrorList.toString(), filteredErrorList.isEmpty());

    output = StringUtil.toLowerCase(output);

    return output;
}

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From source file:edu.cwru.jpdg.Dotty.java

/**
 * Compiles the graph to dotty.//from  www.j av  a  2  s  .  co  m
 */
public static String dotty(String graph) {

    byte[] bytes = graph.getBytes();

    try {
        ProcessBuilder pb = new ProcessBuilder("dotty");
        pb.redirectError(ProcessBuilder.Redirect.INHERIT);
        Process p = pb.start();
        OutputStream stdin = p.getOutputStream();
        stdin.write(bytes);
        stdin.close();

        String line;
        BufferedReader stdout = new BufferedReader(new InputStreamReader(p.getInputStream()));
        List<String> stdout_lines = new ArrayList<String>();
        line = stdout.readLine();
        while (line != null) {
            stdout_lines.add(line);
            line = stdout.readLine();
        }
        if (p.waitFor() != 0) {
            throw new RuntimeException("javac failed");
        }

        return StringUtils.join(stdout_lines, "\n");
    } catch (InterruptedException e) {
        throw new RuntimeException(e.getMessage());
    } catch (IOException e) {
        throw new RuntimeException(e.getMessage());
    }
}

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From source file:mamo.vanillaVotifier.ShellCommandSender.java

@NotNull
public Process sendCommand(@NotNull String command, @Nullable Map<String, String> environment)
        throws IOException {
    ProcessBuilder processBuilder = new ProcessBuilder(new StrTokenizer(command).getTokenArray());
    if (environment != null) {
        processBuilder.environment().putAll(environment);
    }/*  www  .  j a v  a  2 s .c  o m*/
    return processBuilder.start();
}

---

From source file:com.dickthedeployer.dick.web.service.CommandService.java

public String invoke(Path workingDir, String... command) throws RuntimeException {
    try {//from  w  w w . ja  va 2  s.co  m
        log.info("Executing command {} in path {}", Arrays.toString(command), workingDir.toString());
        StringBuilder text = new StringBuilder();
        ProcessBuilder builder = new ProcessBuilder(command);
        builder.directory(workingDir.toFile());
        builder.redirectErrorStream(true);

        Process process = builder.start();

        try (Scanner s = new Scanner(process.getInputStream())) {
            while (s.hasNextLine()) {
                text.append(s.nextLine());
            }
            int result = process.waitFor();
            log.info("Process exited with result {} and output {}", result, text);

            if (result != 0) {
                throw new CommandExecutionException();
            }
            return text.toString();
        }
    } catch (IOException | InterruptedException ex) {
        throw new CommandExecutionException(ex);
    }
}

---

From source file:com.liferay.blade.tests.BladeCLI.java

public static String execute(File workingDir, String... bladeArgs) throws Exception {

    String bladeCLIJarPath = getLatestBladeCLIJar();

    List<String> command = new ArrayList<>();

    command.add("java");
    command.add("-jar");
    command.add(bladeCLIJarPath);/* ww w  .  ja v a 2s .  c om*/

    for (String arg : bladeArgs) {
        command.add(arg);
    }

    Process process = new ProcessBuilder(command.toArray(new String[0])).directory(workingDir).start();

    process.waitFor();

    InputStream stream = process.getInputStream();

    String output = new String(IO.read(stream));

    InputStream errorStream = process.getErrorStream();

    String errors = new String(IO.read(errorStream));

    assertTrue(errors, errors == null || errors.isEmpty());

    output = StringUtil.toLowerCase(output);

    return output;
}

---

From source file:name.martingeisse.ecobuild.util.CommandLineToolInvocation.java

@Override
protected void invoke(List<String> tokens) throws IOException {

    final ProcessBuilder processBuilder = new ProcessBuilder(tokens);
    processBuilder.directory(getWorkingDirectory());
    processBuilder.redirectErrorStream(true);
    final Process process;
    try {/*w  w  w. j a va2s. c o m*/
        process = processBuilder.start();
    } catch (IOException e) {
        getLogger().logError(
                "Exception while starting tool. Command Line: " + getCommand() + " / " + tokens.get(0));
        throw e;
    }
    final MyLoggerWriter loggerWriter = new MyLoggerWriter(getLogger());
    IOUtils.copy(process.getInputStream(), loggerWriter);
    loggerWriter.endStartedLine();
    try {
        process.waitFor();
    } catch (final InterruptedException e) {
        throw new ToolBuildException("An InterruptedException occurred", e);
    }

}

---

From source file:com.liferay.blade.samples.integration.test.utils.BladeCLIUtil.java

public static String execute(File workingDir, String... bladeArgs) throws Exception {

    String bladeCLIJarPath = getLatestBladeCLIJar();

    List<String> command = new ArrayList<>();

    command.add("java");
    command.add("-jar");
    command.add(bladeCLIJarPath);/*w  ww .j a  va2 s.c  o m*/

    for (String arg : bladeArgs) {
        command.add(arg);
    }

    Process process = new ProcessBuilder(command.toArray(new String[0])).directory(workingDir).start();

    process.waitFor();

    InputStream stream = process.getInputStream();

    String output = new String(IO.read(stream));

    InputStream errorStream = process.getErrorStream();

    List<String> errorList = new ArrayList<>();

    String stringStream = null;

    if (errorStream != null) {
        stringStream = new String(IO.read(errorStream));

        errorList.add(stringStream);
    }

    List<String> filteredErrorList = new ArrayList<>();

    for (String string : errorList) {
        String exclusion = "(.*setlocale.*)";

        Pattern p = Pattern.compile(exclusion, Pattern.DOTALL);

        Matcher m = p.matcher(string);

        while (m.find()) {
            filteredErrorList.add(string);
        }

        if (string.contains("Picked up JAVA_TOOL_OPTIONS:")) {
            filteredErrorList.add(string);
        }
    }

    errorList.removeAll(filteredErrorList);

    Assert.assertTrue(errorList.toString(), errorList.size() <= 1);

    if (errorList.size() == 1) {
        Assert.assertTrue(errorList.get(0), errorList.get(0).isEmpty());
    }

    return output;
}

---

From source file:Main.java

public static String highlight(final List<String> lines, final String meta, final String prog,
        final String encoding) throws IOException {
    final File tmpIn = new File(System.getProperty("java.io.tmpdir"),
            String.format("txtmark_code_%d_%d.in", ID, IN_COUNT.incrementAndGet()));
    final File tmpOut = new File(System.getProperty("java.io.tmpdir"),
            String.format("txtmark_code_%d_%d.out", ID, OUT_COUNT.incrementAndGet()));

    try {//from  w w  w .ja  v  a  2s .  c  om

        final Writer w = new OutputStreamWriter(new FileOutputStream(tmpIn), encoding);

        try {
            for (final String s : lines) {
                w.write(s);
                w.write('\n');
            }
        } finally {
            w.close();
        }

        final List<String> command = new ArrayList<String>();

        command.add(prog);
        command.add(meta);
        command.add(tmpIn.getAbsolutePath());
        command.add(tmpOut.getAbsolutePath());

        final ProcessBuilder pb = new ProcessBuilder(command);
        final Process p = pb.start();
        final InputStream pIn = p.getInputStream();
        final byte[] buffer = new byte[2048];

        int exitCode = 0;
        for (;;) {
            if (pIn.available() > 0) {
                pIn.read(buffer);
            }
            try {
                exitCode = p.exitValue();
            } catch (final IllegalThreadStateException itse) {
                continue;
            }
            break;
        }

        if (exitCode == 0) {
            final Reader r = new InputStreamReader(new FileInputStream(tmpOut), encoding);
            try {
                final StringBuilder sb = new StringBuilder();
                for (;;) {
                    final int c = r.read();
                    if (c >= 0) {
                        sb.append((char) c);
                    } else {
                        break;
                    }
                }
                return sb.toString();
            } finally {
                r.close();
            }
        }

        throw new IOException("Exited with exit code: " + exitCode);
    } finally {
        tmpIn.delete();
        tmpOut.delete();
    }
}

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From source file:gool.executor.Command.java

/**
 * Executes a command in the specified working directory.
 * /*from   w ww.j  a  v a2s . c om*/
 * @param workingDir
 *            the working directory.
 * @param params
 *            the command to execute and its parameters.
 * @return the console output.
 */
public static String exec(File workingDir, List<String> params, Map<String, String> env) {
    try {
        StringBuffer buffer = new StringBuffer();

        ProcessBuilder pb = new ProcessBuilder(params);
        pb.directory(workingDir);

        for (Entry<String, String> e : env.entrySet()) {
            pb.environment().put(e.getKey(), e.getValue());
        }
        Process p = pb.redirectErrorStream(true).start();

        p.getOutputStream().close();
        BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));

        String line;
        while ((line = in.readLine()) != null) {
            buffer.append(line).append("\n");
        }

        int retval = p.waitFor();

        if (retval != 0) {
            throw new CommandException(
                    "The command execution returned " + retval + " as return value... !\n" + buffer);
        }

        return buffer.toString();
    } catch (IOException e) {
        throw new CommandException(e);
    } catch (InterruptedException e) {
        throw new CommandException("It seems the process was killed", e);
    }
}

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From source file:uk.ac.kcl.iop.brc.core.pipeline.dncpipeline.service.PythonService.java

/**
 * Runs the Python interpreter.//from  ww  w.ja  v  a  2 s .com
 * @param args List of arguments to be supplied to the python command.
 * @return Result from python string
 * @throws IOException
 */
public String runFile(List<String> args) throws IOException {
    LinkedList<String> list = new LinkedList<>(args);
    list.addFirst("python");
    ProcessBuilder processBuilder = new ProcessBuilder(list);
    Process p = processBuilder.start();
    BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
    StringWriter stringWriter = new StringWriter();
    in.lines().forEach(stringWriter::append);
    p.destroy();
    return stringWriter.toString();
}

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