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:io.hops.hopsworks.api.zeppelin.util.ZeppelinResource.java

private boolean isProccessAlive(String pid) {
    String[] command = { "kill", "-0", pid };
    ProcessBuilder pb = new ProcessBuilder(command);
    if (pid == null) {
        return false;
    }/*from   w ww  .j  av  a2 s  .com*/

    //TODO: We should clear the environment variables before launching the 
    // redirect stdout and stderr for child process to the zeppelin/project/logs file.
    int exitValue;
    try {
        Process p = pb.start();
        p.waitFor();
        exitValue = p.exitValue();
    } catch (IOException | InterruptedException ex) {

        logger.log(Level.WARNING, "Problem testing Zeppelin Interpreter: {0}", ex.toString());
        //if the pid file exists but we can not test if it is alive then
        //we answer true, b/c pid files are deleted when a process is killed.
        return true;
    }
    return exitValue == 0;
}

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From source file:net.landora.video.mplayer.MPlayerParser.java

private MPlayerInfoParse mplayerIdentify(File f, Integer videoId, Integer audioId, Integer subtitleId)
        throws IOException, InterruptedException {
    //mplayer -frames 0 -msglevel identify=9 "$1" -vo null -ao null 2>/dev/null | grep "^ID"
    List<String> cmd = new ArrayList<String>();
    cmd.add(ProgramsAddon.getInstance().getConfiguredPath(CommonPrograms.MPLAYER));
    cmd.add("-frames");
    cmd.add("0");
    cmd.add("-msglevel");
    cmd.add("identify=9");
    cmd.add("-vo");
    cmd.add("null");
    cmd.add("-ao");
    cmd.add("null");

    if (videoId != null) {
        cmd.add("-vid");
        cmd.add(videoId.toString());/*from w w  w .  j  a  v a  2  s.  c  o  m*/
    }

    if (audioId != null) {
        cmd.add("-aid");
        cmd.add(audioId.toString());
    }

    if (subtitleId != null) {
        cmd.add("-sid");
        cmd.add(subtitleId.toString());
    }

    cmd.add(f.getAbsolutePath());

    ProcessBuilder process = new ProcessBuilder(cmd);
    process.redirectErrorStream(true);
    Process p = process.start();

    StringWriter buffer = new StringWriter();
    IOUtils.copy(p.getInputStream(), buffer);
    p.waitFor();

    Matcher infoMatcher = dataPattern.matcher(buffer.toString());
    MPlayerInfoParse result = new MPlayerInfoParse();
    while (infoMatcher.find()) {
        result.add(infoMatcher.group(1), infoMatcher.group(2));
    }

    return result;
}

---

From source file:org.openlmis.fulfillment.ExportSchemaFlywayCallback.java

@Override
public void afterMigrate(Connection connection) {
    XLOGGER.entry(connection);/*  w w w. ja  v  a2  s.c om*/

    XLOGGER.info("After migrations, exporting db schema");

    int exitCode = 0;
    try {
        schemaName = Optional.ofNullable(schemaName).orElse("fulfillment");

        Process proc = Runtime.getRuntime().exec("/app/export_schema.sh " + schemaName);

        StreamGobbler streamGobbler = new StreamGobbler(proc.getInputStream(), XLOGGER::info);
        Executors.newSingleThreadExecutor().submit(streamGobbler);

        exitCode = proc.waitFor();
    } catch (Exception ex) {
        XLOGGER.warn("Exporting db schema failed with message: " + ex);
    }

    XLOGGER.exit(exitCode);
}

---

From source file:com.atlassian.launchpad.jira.gerrittabpanel.GerritTabPanel.java

@Override
public List<IssueAction> getActions(Issue issue, User remoteUser) {
    List<IssueAction> messages = new ArrayList<IssueAction>();
    System.err.println(USER);/*from  w w  w .  j  a va 2 s  .  c  om*/
    //read and validate the Gerrit commit hash
    CustomField gerritLinkFieldContent = ComponentAccessor.getCustomFieldManager()
            .getCustomFieldObjectByName(GERRIT_ID_FIELD_NAME);
    if (gerritLinkFieldContent == null) {
        messages.add(new GenericMessageAction("\"" + GERRIT_ID_FIELD_NAME
                + "\" custom field not available. Cannot process Gerrit Review comments"));
        return messages;
    }

    Object gitHashFieldObj = issue.getCustomFieldValue(gerritLinkFieldContent);
    if (gitHashFieldObj == null) {
        messages.add(new GenericMessageAction("\"" + GERRIT_ID_FIELD_NAME
                + "\" not provided. Please provide Gerrit ID to see review comments for this issue."));
        return messages;
    }

    String gitHash = gitHashFieldObj.toString().trim();
    if (gitHash.length() == 0) {
        messages.add(new GenericMessageAction(
                "To view related Gerrit review comments for this issue please provide the Git Commit Hash"));
        return messages;
    }

    else if (!isValidGitHash(gitHash)) {
        messages.add(new GenericMessageAction("Gerrit Commit ID not properly formatted"));
        return messages;
    }

    //frame command to access SSH API
    String sshCom = "ssh -i /home/jira/.ssh/id_rsa -p " + PORT + " " + USER + "@" + HOST
            + " gerrit query --format=json --current-patch-set --comments change:" + gitHash;

    try {
        Process p = Runtime.getRuntime().exec(sshCom);
        p.waitFor();
        BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));

        String line = reader.readLine();
        if (line != null) {
            JSONTokener tokener = new JSONTokener(line);
            JSONObject finalResult = new JSONObject(tokener);
            if (!finalResult.has(KEY_COMMENTS)) {
                messages.add(new GenericMessageAction("No comments available for this Gerrit review."));
                return messages;
            }

            JSONArray commentsJson = finalResult.getJSONArray(KEY_COMMENTS);
            for (int k = 0; k < commentsJson.length(); k++) {
                JSONObject commentJson = commentsJson.getJSONObject(k);
                GerritCommentAction commentAction = createCommentActionFromJSON(commentJson);
                messages.add(commentAction);
            }

            String status = finalResult.getString("status");
            messages.add(new GenericMessageAction("<h2>Gerrit Status: " + status + "</h2>"));

            //reverse message order to display most recent first
            Collections.reverse(messages);
        }

    } catch (JSONException e) {
        // JSON returned from SSH API did not contain proper keys
        e.printStackTrace();
    } catch (InterruptedException e) {
        // Exception in attempting to execute the ssh command
        e.printStackTrace();
    } catch (IOException e) {
        // Exception in reading from the input stream
        e.printStackTrace();
    }

    return messages;
}

---

From source file:com.sap.prd.mobile.ios.mios.xcodeprojreader.jaxb.JAXBPlistParser.java

public void convert(File projectFile, File destinationProjectFile) throws IOException {
    if (!SystemUtils.IS_OS_MAC_OSX) {
        throw new UnsupportedOperationException(
                "The pbxproj file conversion can only be performed on a Mac OS X "
                        + "operating system as the Mac OS X specific tool 'plutil' gets called.");
    }/*from w ww  . j a va2  s .  co m*/
    Process exec = Runtime.getRuntime().exec(new String[] { "plutil", "-convert", "xml1", "-o",
            destinationProjectFile.getAbsolutePath(), projectFile.getAbsolutePath() });
    try {
        exec.waitFor();
    } catch (InterruptedException e) {
    }

    if (exec.exitValue() != 0) {
        throw new RuntimeException("Could not convert file (Exit Code: " + exec.exitValue() + ")");
    }
}

---

From source file:org.ednovo.gooru.application.converter.GooruImageUtil.java

public void scaleImageUsingImageMagick(String srcFilePath, int width, int height, String destFilePath)
        throws Exception {
    try {//from   w  w  w .j  a va2 s .c  om
        String resizeCommand = new String(
                "/usr/bin/gm@convert@" + srcFilePath + "@-resize@" + width + X + height + "@" + destFilePath);
        String cmdArgs[] = resizeCommand.split("@");
        Process thumsProcess = Runtime.getRuntime().exec(cmdArgs);
        thumsProcess.waitFor();

        String line;
        StringBuffer sb = new StringBuffer();

        BufferedReader in = new BufferedReader(new InputStreamReader(thumsProcess.getInputStream()));
        while ((line = in.readLine()) != null) {
            sb.append(line).append("\n");
        }
        in.close();

        logger.info("output : {} -  Status : {} - Command : " + StringUtils.join(cmdArgs, " "), sb.toString(),
                thumsProcess.exitValue() + "");

    } catch (Exception e) {
        logger.error("something went wrong while converting image", e);
    }

}

---

From source file:com.bekwam.resignator.SettingsController.java

private boolean validateJDKHome(String jdkHome) {

    Preconditions.checkNotNull(jdkHome);

    Map<Path, Integer> cmdsAndResults = new LinkedHashMap<>();
    cmdsAndResults.put(Paths.get(jdkHome, "bin", "keytool"), 0);
    cmdsAndResults.put(Paths.get(jdkHome, "bin", "jarsigner"), 0);
    cmdsAndResults.put(Paths.get(jdkHome, "bin", "jar"), 1);

    try {// w w  w  .  j a va 2 s . c  o m
        piSettings.setVisible(true);
        piSettings.setProgress(0.0d);

        for (Path cmd : cmdsAndResults.keySet()) {

            if (logger.isDebugEnabled()) {
                logger.debug("[VAL JDKHOME] cmd={}", cmd.toString());
            }

            Process p = Runtime.getRuntime().exec(new String[] { cmd.toString() });

            int exitValue = p.waitFor();

            if (logger.isDebugEnabled()) {
                logger.debug("[VAL JDKHOME] retval={}", exitValue);
            }

            if (exitValue != cmdsAndResults.get(cmd)) { // lookup expected return code
                return false;
            }

            piSettings.setProgress(piSettings.getProgress() + 1 / cmdsAndResults.size());
        }
    } catch (IOException | InterruptedException exc) {
        logger.error("error running '{" + jdkHome + "}'", exc);
        return false;
    } finally {
        piSettings.setVisible(false);
        piSettings.setProgress(0.0d);
    }

    return true;
}

---

From source file:dpfmanager.shell.modules.periodic.core.ControllerWindows.java

@Override
public boolean savePeriodicalCheck(PeriodicCheck check) {
    try {/*from ww  w.jav  a 2 s .c om*/
        createIfNotExistsVBS();
        String params = buildCommandArguments(check);
        String exe = asString(getVBSPath());
        String dpfCommand = "wscript.exe " + exe + " " + params;
        String command = "";
        Periodicity periodicity = check.getPeriodicity();
        switch (periodicity.getMode()) {
        case DAILY:
            command = "schtasks /create /tn \"" + check.getUuid() + "\" /tr \"" + dpfCommand
                    + "\" /sc daily /st " + periodicity.getTimeString();
            break;
        case WEEKLY:
            command = "schtasks /create /tn \"" + check.getUuid() + "\" /tr \"" + dpfCommand
                    + "\" /sc weekly /d " + parseDaysOfWeek(periodicity.getDaysOfWeek()) + " /st "
                    + periodicity.getTimeString();
            break;
        case MONTHLY:
            command = "schtasks /create /tn \"" + check.getUuid() + "\" /tr \"" + dpfCommand
                    + "\" /sc monthly /d " + periodicity.getDayOfMonth() + " /st "
                    + periodicity.getTimeString();
            break;
        }

        // Run command
        Process proc = Runtime.getRuntime().exec(command);
        proc.waitFor();
        return (proc.exitValue() == 0);
    } catch (Exception e) {
        return false;
    }
}

---

From source file:com.epam.controllers.pages.graphviz.GraphViz.java

/**
 * It will call the external dot program, and return the image in
 * binary format./*from w  ww  . ja  va2s  .  c o  m*/
 * @param dot Source of the graph (in dot language).
 * @param type Type of the output image to be produced, e.g.: gif, dot, fig, pdf, ps, svg, png.
 * @return The image of the graph in .gif format.
 */
private byte[] get_img_stream(File dot, String type) {
    File img;
    byte[] img_stream = null;

    try {
        img = File.createTempFile("graph_", "." + type, new File(GraphViz.TEMP_DIR));
        Runtime rt = Runtime.getRuntime();

        // patch by Mike Chenault
        String[] args = { DOT, "-T" + type, dot.getAbsolutePath(), "-o", img.getAbsolutePath() };
        Process p = rt.exec(args);

        p.waitFor();

        FileInputStream in = new FileInputStream(img.getAbsolutePath());
        img_stream = new byte[in.available()];
        in.read(img_stream);
        // Close it if we need to
        if (in != null)
            in.close();

        if (img.delete() == false)
            log.warn("Warning: " + img.getAbsolutePath() + " could not be deleted!");
    } catch (java.io.IOException ioe) {
        log.warn("Error:    in I/O processing of tempfile in dir " + GraphViz.TEMP_DIR + "\n");
        log.warn("       or in calling external command");
        log.error("stacktrace", ioe);
    } catch (java.lang.InterruptedException ie) {
        log.error("Error: the execution of the external program was interrupted", ie);
    }

    return img_stream;
}

---

From source file:com.thoughtworks.go.agent.AgentProcessParentImplTest.java

@Test
public void shouldLogInterruptOnAgentProcess() throws InterruptedException {
    final List<String> cmd = new ArrayList<>();
    try (LogFixture logFixture = logFixtureFor(AgentProcessParentImpl.class, Level.DEBUG)) {
        Process subProcess = mockProcess();
        when(subProcess.waitFor()).thenThrow(new InterruptedException("bang bang!"));
        AgentProcessParentImpl bootstrapper = createBootstrapper(cmd, subProcess);
        int returnCode = bootstrapper.run("bootstrapper_version", "bar", getURLGenerator(), new HashMap<>(),
                context());//from   ww  w. j a v a2  s. co m
        assertThat(returnCode, is(0));
        assertThat(logFixture.contains(Level.ERROR,
                "Agent was interrupted. Terminating agent and respawning. java.lang.InterruptedException: bang bang!"),
                is(true));
        verify(subProcess).destroy();
    }
}

---

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