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:com.arm.connector.bridge.core.Utils.java

/**
 * Execute the AWS CLI// w w w  .  j  av  a  2s .  c o m
 * @param logger - ErrorLogger instance
 * @param args - arguments for the AWS CLI 
 * @return response from CLI action
 */
public static String awsCLI(ErrorLogger logger, String args) {
    // construct the arguments
    String cmd = "./aws " + args;
    String response = null;
    String error = null;

    try {
        // invoke the AWS CLI
        Process proc = Runtime.getRuntime().exec(cmd);
        response = Utils.convertStreamToString(proc.getInputStream());
        error = Utils.convertStreamToString(proc.getErrorStream());

        // wait to completion
        proc.waitFor();
        int status = proc.exitValue();

        // DEBUG
        if (status != 0) {
            // non-zero exit status
            logger.warning("AWS CLI: Invoked: " + cmd);
            logger.warning("AWS CLI: Response: " + response);
            logger.warning("AWS CLI: Errors: " + error);
            logger.warning("AWS CLI: Exit Code: " + status);
        } else {
            // successful exit status
            logger.info("AWS CLI: Invoked: " + cmd);
            logger.info("AWS CLI: Response: " + response);
            logger.info("AWS CLI: Exit Code: " + status);
        }
    } catch (IOException | InterruptedException ex) {
        logger.warning("AWS CLI: Exception for command: " + cmd, ex);
        response = null;
    }

    // return the resposne
    return response;
}

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From source file:net.sf.sahi.util.Utils.java

public static String executeCommand(String[] command) throws Exception {
    StringBuffer sb = new StringBuffer();
    Process p = Runtime.getRuntime().exec(command);
    InputStream stdInput = p.getInputStream();
    InputStream stdError = p.getErrorStream();
    StringBuffer inBuffer = new StringBuffer();
    StringBuffer errBuffer = new StringBuffer();
    Thread inThread = new Thread(new StreamReader(stdInput, inBuffer));
    inThread.start();//from   ww  w.  j  a  v  a 2  s.co  m
    Thread errThread = new Thread(new StreamReader(stdError, errBuffer));
    errThread.start();
    p.waitFor();
    inThread.join();
    errThread.join();
    sb.append(inBuffer);
    sb.append(errBuffer);
    return sb.toString();
}

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From source file:Main.java

public static int doShellCommand(String[] cmds, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {

    Process proc = null;
    int exitCode = -1;

    if (runAsRoot)
        proc = Runtime.getRuntime().exec("su");
    else/*from  w ww  .ja v a 2  s . c  om*/
        proc = Runtime.getRuntime().exec("sh");

    OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());

    for (int i = 0; i < cmds.length; i++) {
        out.write(cmds[i]);
        out.write("\n");
    }

    out.flush();
    out.write("exit\n");
    out.flush();

    if (waitFor) {

        final char buf[] = new char[10];

        // Consume the "stdout"
        InputStreamReader reader = new InputStreamReader(proc.getInputStream());
        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        // Consume the "stderr"
        reader = new InputStreamReader(proc.getErrorStream());
        read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        exitCode = proc.waitFor();

    }

    return exitCode;

}

---

From source file:Main.java

public static int doShellCommand(String[] cmds, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {
    Process proc = null;
    int exitCode = -1;

    if (runAsRoot) {
        proc = Runtime.getRuntime().exec("su");
    } else {/*from w  w  w.  j a v a2 s  .c  o  m*/
        proc = Runtime.getRuntime().exec("sh");
    }

    OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());

    for (int i = 0; i < cmds.length; i++) {
        out.write(cmds[i]);
        out.write("\n");
    }

    out.flush();
    out.write("exit\n");
    out.flush();

    if (waitFor) {
        final char buf[] = new char[10];

        // Consume the "stdout"
        InputStreamReader reader = new InputStreamReader(proc.getInputStream());
        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        // Consume the "stderr"
        reader = new InputStreamReader(proc.getErrorStream());
        read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        exitCode = proc.waitFor();
    }

    return exitCode;
}

---

From source file:com.nesscomputing.db.postgres.embedded.EmbeddedPostgreSQL.java

private static List<String> system(String... command) {
    try {/*from  w  ww . j a  v  a  2  s .  c  om*/
        final Process process = new ProcessBuilder(command).start();
        Preconditions.checkState(0 == process.waitFor(), "Process %s failed\n%s", Arrays.asList(command),
                IOUtils.toString(process.getErrorStream()));
        try (InputStream stream = process.getInputStream()) {
            return IOUtils.readLines(stream);
        }
    } catch (final Exception e) {
        throw Throwables.propagate(e);
    }
}

---

From source file:com.comcast.oscar.netsnmp.NetSNMP.java

/**
 * //w  ww  . j  a v  a2 s .c  om
 * @param sSnmpTranslateCMD
 * @return OID Translation - Null is snmptranslate is not installed*/
private static ArrayList<String> runSnmpTranslate(String sSnmpTranslateCMD) {

    boolean localDebug = Boolean.FALSE;

    if (debug | localDebug)
        System.out.println(sSnmpTranslateCMD);

    ArrayList<String> als = new ArrayList<String>();

    Process p = null;
    try {
        p = Runtime.getRuntime().exec(sSnmpTranslateCMD);
    } catch (IOException e1) {
        /* If not found or installed */
        return null;
    }

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

    BufferedReader stdError = new BufferedReader(new InputStreamReader(p.getErrorStream()));

    String sStd_IO = "";

    /*Read the output from the command If Any */

    int iCounter = 0;
    try {
        while ((sStd_IO = stdInput.readLine()) != null) {

            //Clean up White Space
            if (!sStd_IO.isEmpty())
                als.add(sStd_IO);

            if (debug | localDebug)
                System.out.println(++iCounter + " IN: " + sStd_IO);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    try {
        while ((sStd_IO = stdError.readLine()) != null) {

            als.add(sStd_IO);

            if (debug | localDebug)
                System.out.println(++iCounter + " OUT: " + sStd_IO);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    return als;
}

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From source file:automenta.climatenet.ImportKML.java

public static void exec(String cmd) {
    try {// w w  w .j av a2 s  . c  o  m
        String[] cmdParm = { "/bin/sh", "-c", cmd };

        Process proc = Runtime.getRuntime().exec(cmdParm);
        IOUtils.copy(proc.getInputStream(), System.out);
        IOUtils.copy(proc.getErrorStream(), System.err);
        proc.waitFor();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

---

From source file:net.paoding.analysis.knife.PaodingMaker.java

private static String getSystemEnv(String name) {
    try {/*www  .  j av  a2  s  .  com*/
        return System.getenv(name);
    } catch (Error error) {
        String osName = System.getProperty("os.name").toLowerCase();
        try {
            String cmd;
            if (osName.indexOf("win") != -1) {
                cmd = "cmd /c SET";
            } else {
                cmd = "/usr/bin/printenv";
            }
            Process process = Runtime.getRuntime().exec(cmd);
            InputStreamReader isr = new InputStreamReader(process.getInputStream());
            BufferedReader br = new BufferedReader(isr);
            String line;
            while ((line = br.readLine()) != null && line.startsWith(name)) {
                int index = line.indexOf(name + "=");
                if (index != -1) {
                    return line.substring(index + name.length() + 1);
                }
            }
        } catch (Exception e) {
            log.warn("unable to read env from os" + e.getMessage(), e);
        }
    }
    return null;
}

---

From source file:com.matze5800.paupdater.Functions.java

public static String getRomId(Context context) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    Process proc;
    BufferedReader reader;//from  w  ww.  jav a  2s  .c  o m
    String Rom = null;
    try {
        proc = Runtime.getRuntime().exec(new String[] { "/system/bin/getprop", "ro.goo.rom" });
        reader = new BufferedReader(new InputStreamReader(proc.getInputStream()));
        Rom = reader.readLine();
    } catch (IOException e) {
        e.printStackTrace();
    }
    if (Rom.equals(null)) {
        Rom = "Error parsing ro.goo.rom!";
    }
    Log.i("Local Parser", "Rom: " + Rom);
    prefs.edit().putString("Rom", Rom).commit();
    return Rom;
}

---

From source file:com.ikon.util.ExecutionUtils.java

/**
 * Execute command line: implementation/*from   ww  w .j a  v a2 s  .c o m*/
 */
private static ExecutionResult runCmdImpl(final String cmd[], final long timeout)
        throws SecurityException, InterruptedException, IOException {
    log.debug("runCmdImpl({}, {})", Arrays.toString(cmd), timeout);
    ExecutionResult ret = new ExecutionResult();
    long start = System.currentTimeMillis();
    final ProcessBuilder pb = new ProcessBuilder(cmd);
    final Process process = pb.start();

    Timer t = new Timer("Process Execution Timeout");
    t.schedule(new TimerTask() {
        @Override
        public void run() {
            process.destroy();
            log.warn("Process killed due to timeout.");
            log.warn("CommandLine: {}", Arrays.toString(cmd));
        }
    }, timeout);

    try {
        ret.setStdout(IOUtils.toString(process.getInputStream()));
        ret.setStderr(IOUtils.toString(process.getErrorStream()));
    } catch (IOException e) {
        // Ignore
    }

    process.waitFor();
    t.cancel();
    ret.setExitValue(process.exitValue());

    // Check return code
    if (ret.getExitValue() != 0) {
        log.warn("Abnormal program termination: {}", ret.getExitValue());
        log.warn("CommandLine: {}", Arrays.toString(cmd));
        log.warn("STDERR: {}", ret.getStderr());
    } else {
        log.debug("Normal program termination");
    }

    process.destroy();
    log.debug("Elapse time: {}", FormatUtil.formatSeconds(System.currentTimeMillis() - start));
    return ret;
}

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