Example usage for java.lang Process waitFor

Introduction

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

Prototype

public abstract int waitFor() throws InterruptedException;

Source Link

Document

Causes the current thread to wait, if necessary, until the process represented by this Process object has terminated.

Usage

From source file:ee.ria.xroad.confproxy.util.ConfProxyHelper.java

/**
 * Helper method for running the configuration client script.
 * @param pb the configuration client script process builder
 * @throws Exception if errors occur when running the configuration client
 *//*from   w  w w .  j  a  v a  2 s. co  m*/
private static void runConfClient(final ProcessBuilder pb) throws Exception {
    int exitCode = -1;
    try {
        Process process = pb.start();
        exitCode = process.waitFor();

    } catch (IOException e) {
        log.error("IOException", e);
        exitCode = 2;
        throw e;
    } catch (Exception e) {
        log.error("Undetermined ConfigurationClient exitCode", e);
        //undetermined ConfigurationClient exitCode, fail in 'finally'
        throw e;
    }
    switch (exitCode) {
    case SUCCESS:
        break;
    case ERROR_CODE_CANNOT_DOWNLOAD_CONF:
        throw new Exception("configuration-client error (exit code " + exitCode + "), download failed");
    case ERROR_CODE_EXPIRED_CONF:
        throw new Exception(
                "configuration-client error (exit code " + exitCode + "), configuration is outdated");
    case ERROR_CODE_INVALID_SIGNATURE_VALUE:
        throw new Exception(
                "configuration-client error (exit code " + exitCode + "), configuration is incorrect");
    case ERROR_CODE_INTERNAL:
        throw new Exception("configuration-client error (exit code " + exitCode + ")");
    default:
        throw new Exception("Failed to download GlobalConf " + "(configuration-client exit code " + exitCode
                + "), " + "make sure configuration-client is" + "installed correctly");
    }
}

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From source file:Exec.java

static Process execUnix(String[] cmdarray, String[] envp, File directory) throws IOException {
    // instead of calling command directly, we'll call the shell to change
    // directory and set environment variables.

    // start constructing the sh command line.
    StringBuffer buf = new StringBuffer();

    if (directory != null) {
        // change to directory
        buf.append("cd '");
        buf.append(escapeQuote(directory.toString()));
        buf.append("'; ");
    }/*from w ww  . j av  a 2 s  . c o  m*/

    if (envp != null) {
        // set environment variables.  Quote the value (but not the name).
        for (int i = 0; i < envp.length; ++i) {
            String nameval = envp[i];
            int equals = nameval.indexOf('=');
            if (equals == -1)
                throw new IOException("environment variable '" + nameval + "' should have form NAME=VALUE");
            buf.append(nameval.substring(0, equals + 1));
            buf.append('\'');
            buf.append(escapeQuote(nameval.substring(equals + 1)));
            buf.append("\' ");
        }
    }

    // now that we have the directory and environment, run "which" 
    // to test if the command name is found somewhere in the path.
    // If "which" fails, throw an IOException.
    String cmdname = escapeQuote(cmdarray[0]);
    Runtime rt = Runtime.getRuntime();
    String[] sharray = new String[] { "sh", "-c", buf.toString() + " which \'" + cmdname + "\'" };
    Process which = rt.exec(sharray);
    try {
        which.waitFor();
    } catch (InterruptedException e) {
        throw new IOException("interrupted");
    }

    if (which.exitValue() != 0)
        throw new IOException("can't execute " + cmdname + ": bad command or filename");

    // finish in 
    buf.append("exec \'");
    buf.append(cmdname);
    buf.append("\' ");

    // quote each argument in the command
    for (int i = 1; i < cmdarray.length; ++i) {
        buf.append('\'');
        buf.append(escapeQuote(cmdarray[i]));
        buf.append("\' ");
    }

    System.out.println("executing " + buf);
    sharray[2] = buf.toString();
    return rt.exec(sharray);
}

---

From source file:Main.java

/**
 * create a child process with environment variables
 * @param command//from  w  w  w.j a  v  a  2 s  .co  m
 * @param envVars
 * @return
 * @throws InterruptedException
 * @throws IOException
 */
public static String execUnixCommand(String[] command, Map<String, String> envVars)
        throws InterruptedException, IOException {

    /*
    ProcessBuilder processBuilder = new ProcessBuilder(command);
            
    if ( envVars != null ){
    Map<String, String> env = processBuilder.environment();
    env.clear();
    env.putAll(envVars);
    }
            
    Process process = processBuilder.start();
    processBuilder.redirectErrorStream(false);
    process.waitFor();
    String outputWithError = loadStream(process.getInputStream()) + loadStream(process.getErrorStream());
    return outputWithError;
     */

    ProcessBuilder processBuilder = new ProcessBuilder(command);

    if (envVars != null) {
        Map<String, String> env = processBuilder.environment();
        env.clear();
        env.putAll(envVars);
    }
    Process process = processBuilder.start();
    String output = loadStream(process.getInputStream());
    String error = loadStream(process.getErrorStream());
    process.waitFor();
    return output + "\n" + error;
}

---

From source file:brooklyn.util.io.FileUtil.java

public static void moveDir(File srcDir, File destDir) throws IOException, InterruptedException {
    if (!Os.isMicrosoftWindows()) {
        String cmd = "mv '" + srcDir.getAbsolutePath() + "' '" + destDir.getAbsolutePath() + "'";
        Process proc = Runtime.getRuntime().exec(cmd);
        proc.waitFor();
        if (proc.exitValue() == 0)
            return;
    }//  w  ww. ja  v a  2s.  c o  m

    FileUtils.moveDirectory(srcDir, destDir);
}

---

From source file:brooklyn.util.io.FileUtil.java

public static void copyDir(File srcDir, File destDir) throws IOException, InterruptedException {
    if (!Os.isMicrosoftWindows()) {
        String cmd = "cp -R '" + srcDir.getAbsolutePath() + "' '" + destDir.getAbsolutePath() + "'";
        Process proc = Runtime.getRuntime().exec(cmd);
        proc.waitFor();
        if (proc.exitValue() == 0)
            return;
    }//from   w  w  w  .ja v  a2 s.c  om

    FileUtils.copyDirectory(srcDir, destDir);
}

---

From source file:com.manydesigns.elements.util.ElementsFileUtils.java

public static boolean chmod(File file, String perms) {
    logger.debug("chmod {} {}", perms, file.getAbsolutePath());
    Runtime runtime = Runtime.getRuntime();
    try {/*from   ww  w . j a  va 2 s .  co  m*/
        Process process = runtime.exec(new String[] { "chmod", perms, file.getAbsolutePath() });
        int result = process.waitFor();
        return result == 0;
    } catch (Exception e) {
        return false;
    }
}

---

From source file:com.sap.prd.mobile.ios.mios.Forker.java

static int forkProcess(final PrintStream out, final File executionDirectory, final String... args)
        throws IOException {

    if (out == null)
        throw new IllegalArgumentException("Print stream for log handling was not provided.");

    if (args == null || args.length == 0)
        throw new IllegalArgumentException("No arguments has been provided.");

    for (final String arg : args)
        if (arg == null || arg.isEmpty())
            throw new IllegalArgumentException(
                    "Invalid argument '" + arg + "' provided with arguments '" + Arrays.asList(args) + "'.");

    final ProcessBuilder builder = new ProcessBuilder(args);

    if (executionDirectory != null)
        builder.directory(executionDirectory);

    builder.redirectErrorStream(true);//ww  w .jav  a  2s .c o  m

    InputStream is = null;

    //
    // TODO: check if there is any support for forking processes in
    // maven/plexus
    //

    try {

        final Process process = builder.start();

        is = process.getInputStream();

        handleLog(is, out);

        return process.waitFor();

    } catch (InterruptedException e) {
        throw new RuntimeException(e.getClass().getName()
                + " caught during while waiting for a forked process. This exception is not expected to be caught at that time.",
                e);
    } finally {
        //
        // Exception raised during close operation below are not reported.
        // That is actually bad.
        // We do not have any logging facility here and we cannot throw the
        // exception since this would swallow any
        // other exception raised in the try block.
        // May be we should revisit that ...
        //
        IOUtils.closeQuietly(is);
    }
}

---

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

public static String executeCommand(String command) {

    StringBuffer output = new StringBuffer();

    Process p;
    try {/*  www . j  a v  a 2s. co  m*/
        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();

}

---

From source file:Main.java

public static Process changeBuildProperty(Context c, String propName, String newValue) {
    Process p = null;
    try {/*from  ww  w  .j  a v a 2  s  .  c o m*/
        remountSystem(c);

        p = runSuCommandAsync(c, "busybox sed -i \"s/" + propName + "=.*/" + propName + "=" + newValue
                + "/g\" /system/build.prop ; ");
        p.waitFor();
    } catch (Exception d) {
        Log.e("Helper", "Failed to change build.prop. errcode:" + d.toString());
    }
    return p;
}

---

From source file:com.sonicle.webtop.core.app.util.OSInfo.java

private static String getCmdOutput(String command) {
    String output = null;/*from   w  w w.  j a v  a 2 s. c  o  m*/
    try {
        Process pro = Runtime.getRuntime().exec(command);
        BufferedReader br = new BufferedReader(new InputStreamReader(pro.getInputStream()));
        output = br.readLine();
        pro.waitFor();
    } catch (Throwable th) {
        /* Do nothing! */ }
    return output;
}

---

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