Example usage for java.lang Process getInputStream

List of usage examples for java.lang Process getInputStream

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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:uk.ac.ebi.eva.test.utils.JobTestUtils.java

public static void restoreMongoDbFromDump(String dumpLocation) throws IOException, InterruptedException {
    logger.info("restoring DB from " + dumpLocation);

    Process exec = Runtime.getRuntime().exec("mongorestore " + dumpLocation);
    exec.waitFor();//from  w ww.j  a va  2 s . co  m
    String line;
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(exec.getInputStream()));
    while ((line = bufferedReader.readLine()) != null) {
        logger.info("mongorestore output:" + line);
    }
    bufferedReader.close();
    bufferedReader = new BufferedReader(new InputStreamReader(exec.getErrorStream()));
    while ((line = bufferedReader.readLine()) != null) {
        logger.info("mongorestore errorOutput:" + line);
    }
    bufferedReader.close();

    logger.info("mongorestore exit value: " + exec.exitValue());
}

From source file:ca.uqac.dim.net.verify.NetworkChecker.java

/**
 * Runs the NuSMV program as a spawned command-line process, and passes the
 * file to process through that process' standard input
 * @param file_contents A String containing the NuSMV model to process
 *//*from  w w  w . ja v a 2 s  .c  om*/
private static RuntimeInfos runNuSMV(String file_contents) throws IOException, InterruptedException {
    StringBuilder sb = new StringBuilder();
    Runtime rt = Runtime.getRuntime();
    long time_start = 0, time_end = 0;
    // Start NuSMV, and feed the model through its standard input
    time_start = System.currentTimeMillis();
    Process p = rt.exec(NUSMV_EXEC);
    OutputStream o = p.getOutputStream();
    InputStream i = p.getInputStream();
    InputStream e = p.getErrorStream();
    Writer w = new PrintWriter(o);
    w.write(file_contents);
    w.close(); // Close stdin so NuSMV can start processing it
    // Wait for NuSMV to be done, then collect its standard output
    int exitVal = p.waitFor();
    if (exitVal != 0)
        throw new IOException("NuSMV's return value indicates an error in processing its input");
    BufferedReader br = new BufferedReader(new InputStreamReader(i));
    String line;
    while ((line = br.readLine()) != null) {
        sb.append(line).append("\n");
    }
    time_end = System.currentTimeMillis();
    i.close(); // Close stdout
    e.close(); // Close stderr
    return new RuntimeInfos(sb.toString(), time_end - time_start);
}

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);/*from  w ww  .  j  ava2  s .co 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();

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

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

    output = StringUtil.toLowerCase(output);

    return output;
}

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

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

    String bladeCLIJarPath = getLatestBladeCLIJar();

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

    command.add("start");
    command.add("/b");
    command.add("java");
    command.add("-jar");
    command.add(bladeCLIJarPath);/* ww w  . j av  a  2 s .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();

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

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

    return output;
}

From source file:Main.java

public static int shellExecute(String strCommand, boolean bDisplayProgramOutput) {
    Process p = null;
    try {/*ww w  . ja  v  a2s .  c o  m*/
        p = Runtime.getRuntime().exec(strCommand);
    } catch (IOException e) {
        e.printStackTrace();
    }

    if (p != null) {
        BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String line = "";
        try {
            line = input.readLine();
            if (bDisplayProgramOutput && line != null)
                System.out.println(line);
        } catch (IOException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
        while (line != null) {
            try {
                line = input.readLine();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            if (bDisplayProgramOutput && line != null)
                System.out.println(line);
        }

        try {
            p.waitFor();
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return p.exitValue();
    }

    return -1;
}

From source file:com.amazonaws.services.iot.demo.danbo.rpi.Danbo.java

public static String getSerialNumber() throws Exception {
    Process p = Runtime.getRuntime().exec("cat /proc/cpuinfo");

    BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));

    String s = "";
    String serial = "";

    // read the output from the command
    while ((s = stdInput.readLine()) != null) {
        if (s.contains("Serial")) {
            serial = s.split(":")[1].trim().substring(8, 16);
        }//w ww .  j a  v  a 2 s  .c o m
    }

    return serial;
}

From source file:com.samczsun.helios.utils.Utils.java

public static String readProcess(Process process) {
    StringBuilder result = new StringBuilder();
    result.append("--- BEGIN PROCESS DUMP ---").append("\n");
    result.append("---- STDOUT ----").append("\n");
    InputStream inputStream = process.getInputStream();
    byte[] inputStreamBytes = new byte[0];
    try {/*  w w  w  . ja  v a 2s.co m*/
        inputStreamBytes = IOUtils.toByteArray(inputStream);
    } catch (IOException e) {
        result.append("An error occured while reading from stdout").append("\n");
        result.append("Caused by: ").append(e.getClass()).append(" ").append(e.getMessage()).append("\n");
    } finally {
        if (inputStreamBytes.length > 0) {
            result.append(new String(inputStreamBytes, StandardCharsets.UTF_8));
        }
    }
    result.append("---- STDERR ----").append("\n");
    inputStream = process.getErrorStream();
    inputStreamBytes = new byte[0];
    try {
        inputStreamBytes = IOUtils.toByteArray(inputStream);
    } catch (IOException e) {
        result.append("An error occured while reading from stderr").append("\n");
        result.append("Caused by: ").append(e.getClass()).append(" ").append(e.getMessage()).append("\n");
    } finally {
        if (inputStreamBytes.length > 0) {
            result.append(new String(inputStreamBytes, StandardCharsets.UTF_8));
        }
    }

    result.append("---- EXIT VALUE ----").append("\n");

    int exitValue = -0xCAFEBABE;
    try {
        exitValue = process.waitFor();
    } catch (InterruptedException e) {
        result.append("An error occured while obtaining the exit value").append("\n");
        result.append("Caused by: ").append(e.getClass()).append(" ").append(e.getMessage()).append("\n");
    } finally {
        if (exitValue != -0xCAFEBABE) {
            result.append("Process finished with exit code ").append(exitValue).append("\n");
        }
    }

    return result.toString();
}

From source file:de.uni.bremen.monty.moco.Main.java

private static void runExecutable(File executable) throws IOException, InterruptedException {
    ProcessBuilder processBuilder = new ProcessBuilder(executable.getAbsolutePath());

    String readFromFile = System.getProperty("testrun.readFromFile");
    if (readFromFile != null) {
        processBuilder.redirectInput(new File(readFromFile));
    } else {// w  ww  .j av  a 2  s . co m
        processBuilder.redirectInput(ProcessBuilder.Redirect.INHERIT);
    }
    Process process = processBuilder.start();
    System.err.print(IOUtils.toString(process.getErrorStream()));
    System.out.print(IOUtils.toString(process.getInputStream()));
}

From source file:de.uni.bremen.monty.moco.Main.java

private static void runCode(File llvmCode) throws IOException {
    ProcessBuilder processBuilder = new ProcessBuilder("lli", llvmCode.getAbsolutePath());
    String readFromFile = System.getProperty("testrun.readFromFile");
    if (readFromFile == null) {
        processBuilder.redirectInput(ProcessBuilder.Redirect.INHERIT);
    } else {//from w w w .  j a  v  a  2 s . c o m
        processBuilder.redirectInput(new File(readFromFile));
    }
    Process process = processBuilder.start();

    System.err.print(IOUtils.toString(process.getErrorStream()));
    System.out.print(IOUtils.toString(process.getInputStream()));
}

From source file:edu.brown.benchmark.voteresper.EPRuntimeUtil.java

public static String executeCommand(String command) {

    StringBuffer output = new StringBuffer();

    Process p;
    try {//from   w w w . ja  v  a2  s.  com
        p = Runtime.getRuntime().exec(command);
        p.waitFor();
        BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));

        String line = "";
        while ((line = reader.readLine()) != null) {
            output.append(line + "\n");
        }

    } catch (Exception e) {
        e.printStackTrace();
    }

    return output.toString();

}