Example usage for java.lang System lineSeparator

List of usage examples for java.lang System lineSeparator

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Introduction

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

Prototype

String lineSeparator

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Usage

From source file:com.netflix.genie.core.jobs.workflow.impl.JobTask.java

/**
 * {@inheritDoc}//from   w  w  w .  j  a  v a  2s.  c  o m
 */
@Override
public void executeTask(@NotNull final Map<String, Object> context) throws GenieException, IOException {
    final long start = System.nanoTime();
    try {
        final JobExecutionEnvironment jobExecEnv = (JobExecutionEnvironment) context
                .get(JobConstants.JOB_EXECUTION_ENV_KEY);
        final String jobWorkingDirectory = jobExecEnv.getJobWorkingDir().getCanonicalPath();
        final Writer writer = (Writer) context.get(JobConstants.WRITER_KEY);
        final String jobId = jobExecEnv.getJobRequest().getId()
                .orElseThrow(() -> new GeniePreconditionException("No job id found. Unable to continue"));
        log.info("Starting Job Task for job {}", jobId);

        final Optional<String> setupFile = jobExecEnv.getJobRequest().getSetupFile();
        if (setupFile.isPresent()) {
            final String jobSetupFile = setupFile.get();
            if (StringUtils.isNotBlank(jobSetupFile)) {
                final String localPath = jobWorkingDirectory + JobConstants.FILE_PATH_DELIMITER + jobSetupFile
                        .substring(jobSetupFile.lastIndexOf(JobConstants.FILE_PATH_DELIMITER) + 1);

                fts.getFile(jobSetupFile, localPath);

                writer.write("# Sourcing setup file specified in job request" + System.lineSeparator());
                writer.write(
                        JobConstants.SOURCE
                                + localPath.replace(jobWorkingDirectory,
                                        "${" + JobConstants.GENIE_JOB_DIR_ENV_VAR + "}")
                                + System.lineSeparator());

                // Append new line
                writer.write(System.lineSeparator());
            }
        }

        // Iterate over and get all dependencies
        for (final String dependencyFile : jobExecEnv.getJobRequest().getDependencies()) {
            if (StringUtils.isNotBlank(dependencyFile)) {
                final String localPath = jobWorkingDirectory + JobConstants.FILE_PATH_DELIMITER + dependencyFile
                        .substring(dependencyFile.lastIndexOf(JobConstants.FILE_PATH_DELIMITER) + 1);

                fts.getFile(dependencyFile, localPath);
            }
        }

        // Copy down the attachments if any to the current working directory
        this.attachmentService.copy(jobId, jobExecEnv.getJobWorkingDir());
        // Delete the files from the attachment service to save space on disk
        this.attachmentService.delete(jobId);

        // Print out the current Envrionment to a env file before running the command.
        writer.write("# Dump the environment to a env.log file" + System.lineSeparator());
        writer.write("env | sort > " + "${" + JobConstants.GENIE_JOB_DIR_ENV_VAR + "}"
                + JobConstants.GENIE_ENV_PATH + System.lineSeparator());

        // Append new line
        writer.write(System.lineSeparator());

        writer.write("# Kick off the command in background mode and wait for it using its pid"
                + System.lineSeparator());

        writer.write(jobExecEnv.getCommand().getExecutable() + JobConstants.WHITE_SPACE
                + jobExecEnv.getJobRequest().getCommandArgs() + JobConstants.STDOUT_REDIRECT
                + JobConstants.STDOUT_LOG_FILE_NAME + JobConstants.STDERR_REDIRECT
                + JobConstants.STDERR_LOG_FILE_NAME + " &" + System.lineSeparator());

        // Wait for the above process started in background mode. Wait lets us get interrupted by kill signals.
        writer.write("wait $!" + System.lineSeparator());

        // Append new line
        writer.write(System.lineSeparator());

        // capture exit code and write to genie.done file
        writer.write("# Write the return code from the command in the done file." + System.lineSeparator());
        writer.write(JobConstants.GENIE_DONE_FILE_CONTENT_PREFIX + JobConstants.GENIE_DONE_FILE_NAME
                + System.lineSeparator());

        // Print the timestamp once its done running.
        writer.write("echo End: `date '+%Y-%m-%d %H:%M:%S'`\n");

        log.info("Finished Job Task for job {}", jobExecEnv.getJobRequest().getId());
    } finally {
        final long finish = System.nanoTime();
        this.timer.record(finish - start, TimeUnit.NANOSECONDS);
    }
}

From source file:edu.purdue.pivot.skwiki.server.ImageUploaderServlet.java

@Override
public String executeAction(HttpServletRequest request, List<FileItem> sessionFiles)
        throws UploadActionException {

    connection = null;// w  ww  .java2s. c  o m
    Statement st = null;

    /* read database details from file */
    BufferedReader br;
    current_project_name = "";
    main_database_name = "";

    try {
        br = new BufferedReader(new FileReader(this.getServletContext().getRealPath("/serverConfig.txt")));
        StringBuilder sb = new StringBuilder();
        String line = br.readLine();

        while (line != null) {
            String first = line.substring(0, line.lastIndexOf(':'));
            String last = line.substring(line.lastIndexOf(':') + 1);

            if (first.contains("content_database")) {
                current_project_name = last;
            }

            if (first.contains("owner_database")) {
                main_database_name = last;
            }

            if (first.contains("username")) {
                postgres_name = last;
            }

            if (first.contains("password")) {
                postgres_password = last;
            }

            sb.append(line);
            sb.append(System.lineSeparator());
            line = br.readLine();
        }

        //String everything = sb.toString();
        //System.out.println("file: "+everything);
        br.close();

    } catch (Exception e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    } finally {

    }

    try {
        connection = DriverManager.getConnection("jdbc:postgresql://127.0.0.1:5432/" + current_project_name,
                "postgres", "fujiko");
    } catch (SQLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    String response = "";
    int cont = 0;
    for (FileItem item : sessionFiles) {
        if (false == item.isFormField()) {
            cont++;
            try {
                String uuid = UUID.randomUUID().toString();
                String saveName = uuid + '.' + FilenameUtils.getExtension(item.getName());

                //               String saveName = item.getName();

                //write to database
                File file = new File(saveName);
                item.write(file);

                // / Save a list with the received files
                receivedFiles.put(item.getFieldName(), file);
                receivedContentTypes.put(item.getFieldName(), item.getContentType());
                receivedFilePaths.put(item.getFieldName(), file.getAbsolutePath());

                // / Send a customized message to the client.
                response += "File saved as " + file.getAbsolutePath();

                //write filename to database

                String selectStr = "insert into images values (" + "\'" + item.getFieldName() + "\'," + "\'"
                        + file.getAbsolutePath() + "\'" + ")";
                st = connection.createStatement();
                int textReturnCode = st.executeUpdate(selectStr);

            } catch (Exception e) {
                throw new UploadActionException(e.getMessage());
            }
        }
    }

    // / Remove files from session because we have a copy of them
    removeSessionFileItems(request);

    // / Send your customized message to the client.
    return response;
}

From source file:org.apache.nifi.toolkit.zkmigrator.ZooKeeperMigratorMain.java

private static void printUsage(String errorMessage, Options options) {
    Preconditions.checkNotNull(options, "command line options were not specified");
    if (errorMessage != null) {
        System.out.println(errorMessage + System.lineSeparator());
    }/*from w w  w  .j av  a2 s  .c om*/
    HelpFormatter helpFormatter = new HelpFormatter();
    helpFormatter.setWidth(160);
    helpFormatter.setDescPadding(0);
    helpFormatter.printHelp(ZooKeeperMigratorMain.class.getCanonicalName(), HEADER, options, FOOTER, true);
}

From source file:de.fosd.jdime.strategy.ASTNodeStrategy.java

/**
 * @param artifact/*w w  w  .j av  a2 s .co m*/
 *            artifact that should be printed
 */
private void dumpGraphVizTree(final ASTNodeArtifact artifact) {
    StringBuilder sb = new StringBuilder();
    sb.append("digraph ast {").append(System.lineSeparator());
    sb.append("node [shape=ellipse];").append(System.lineSeparator());
    sb.append("nodesep=0.8;").append(System.lineSeparator());

    // nodes
    sb.append(artifact.dumpGraphvizTree(true));

    // footer
    sb.append("}");

    System.out.println(sb.toString());
}

From source file:io.fd.maintainer.plugin.parser.MaintainersParserTest.java

@Test
public void testParse() throws URISyntaxException, IOException, MaintainerMismatchException {
    final MaintainersParser parser = new MaintainersParser();

    final URL url = this.getClass().getResource("/maintainers");
    final String content = Files.readLines(new File(url.toURI()), StandardCharsets.UTF_8).stream()
            .collect(Collectors.joining(System.lineSeparator()));
    final List<ComponentInfo> maintainers = parser.parseMaintainers(content);
    assertTrue(!maintainers.isEmpty());//from  ww  w  .j a  va  2  s  .c o m

    // tests couple of entries
    assertTrue(compare(maintainers.get(0), buildSystem()));
    assertTrue(compare(maintainers.get(1), buildSystemInternal()));
    assertTrue(compare(maintainers.get(2), doxygen()));
    assertTrue(compare(maintainers.get(3), dpdkDevelopmentPackaging()));
    assertTrue(compare(maintainers.get(4), infrastractureLibrary()));
    assertTrue(compare(maintainers.get(5), vlibLibrary()));
    assertTrue(compare(maintainers.get(6), vlibApiLibraries()));
    assertTrue(compare(maintainers.get(7), vnetBfd()));
    assertEquals(32, maintainers.size());
}

From source file:com.bc.fiduceo.matchup.MatchupTool.java

void printUsageTo(OutputStream outputStream) {
    final String ls = System.lineSeparator();
    final PrintWriter writer = new PrintWriter(outputStream);
    writer.write("matchup-tool version " + VERSION_NUMBER);
    writer.write(ls + ls);//  ww w  .  ja  v a  2s .  c  o m

    final HelpFormatter helpFormatter = new HelpFormatter();
    helpFormatter.printHelp(writer, 120, "matchup-tool <options>", "Valid options are:", getOptions(), 3, 3,
            "");

    writer.flush();
}

From source file:org.apache.zeppelin.interpreter.recovery.FileSystemRecoveryStorage.java

private void save(String interpreterSettingName) throws IOException {
    InterpreterSetting interpreterSetting = interpreterSettingManager
            .getInterpreterSettingByName(interpreterSettingName);
    List<String> recoveryContent = new ArrayList<>();
    for (ManagedInterpreterGroup interpreterGroup : interpreterSetting.getAllInterpreterGroups()) {
        RemoteInterpreterProcess interpreterProcess = interpreterGroup.getInterpreterProcess();
        if (interpreterProcess != null) {
            recoveryContent.add(interpreterGroup.getId() + "\t" + interpreterProcess.getHost() + ":"
                    + interpreterProcess.getPort());
        }//w  ww  .  j a  v a2s. co m
    }
    LOGGER.debug("Updating recovery data for interpreterSetting: " + interpreterSettingName);
    LOGGER.debug("Recovery Data: " + StringUtils.join(recoveryContent, System.lineSeparator()));
    Path recoveryFile = new Path(recoveryDir, interpreterSettingName + ".recovery");
    fs.writeFile(StringUtils.join(recoveryContent, System.lineSeparator()), recoveryFile, true);
}

From source file:com.pearson.eidetic.driver.threads.subthreads.SnapshotChecker.java

@Override
public void run() {
    isFinished_ = false;/*from w w w .  jav a2 s  . co m*/
    //kill thread if wrong creds \/ \/ \/ \/
    AmazonEC2Client ec2Client = connect(region_, awsAccessKeyId_, awsSecretKey_);

    for (Volume vol : VolumeNoTime_) {
        try {
            Date date = new java.util.Date();
            JSONParser parser = new JSONParser();

            String inttagvalue = getIntTagValue(vol);
            if (inttagvalue == null) {
                continue;
            }

            JSONObject eideticParameters;
            try {
                Object obj = parser.parse(inttagvalue);
                eideticParameters = (JSONObject) obj;
            } catch (Exception e) {
                logger.error("awsAccountNickname=\"" + uniqueAwsAccountIdentifier_
                        + "\",Event=Error, Error=\"Malformed Eidetic Tag\", Volume_id=\"" + vol.getVolumeId()
                        + "\", stacktrace=\"" + e.toString() + System.lineSeparator()
                        + StackTrace.getStringFromStackTrace(e) + "\"");
                continue;
            }

            String period = getPeriod(eideticParameters, vol);
            if (period == null) {
                continue;
            }

            Integer keep = getKeep(eideticParameters, vol);
            if (keep == null) {
                continue;
            }

            Boolean success;
            success = snapshotDecision(ec2Client, vol, period);
            if (!success) {
                continue;
            }

            success = snapshotCreation(ec2Client, vol, period, date);
            if (!success) {
                continue;
            }

            snapshotDeletion(ec2Client, vol, period, keep);

            logger.info("awsAccountNickname=\"" + uniqueAwsAccountIdentifier_
                    + "\",Event=\"Error\", Error=\"normal eidetic process did not create a snapshot for volume in alloted time.\", Volume_id=\""
                    + vol.getVolumeId() + "\"");

        } catch (Exception e) {
            logger.error("awsAccountNickname=\"" + uniqueAwsAccountIdentifier_
                    + "\",Event=\"Error\", Error=\"error in SnapshotChecker workflow\", stacktrace=\""
                    + e.toString() + System.lineSeparator() + StackTrace.getStringFromStackTrace(e) + "\"");
        }

    }

    for (Volume vol : VolumeTime_) {
        try {
            Date date = new java.util.Date();
            JSONParser parser = new JSONParser();

            String inttagvalue = getIntTagValue(vol);
            if (inttagvalue == null) {
                continue;
            }

            JSONObject eideticParameters;
            try {
                Object obj = parser.parse(inttagvalue);
                eideticParameters = (JSONObject) obj;
            } catch (Exception e) {
                logger.error("awsAccountNickname=\"" + uniqueAwsAccountIdentifier_
                        + "\",Event=Error, Error=\"Malformed Eidetic Tag\", Volume_id=\"" + vol.getVolumeId()
                        + "\", stacktrace=\"" + e.toString() + System.lineSeparator()
                        + StackTrace.getStringFromStackTrace(e) + "\"");
                continue;
            }

            String period = getPeriod(eideticParameters, vol);
            if (period == null) {
                continue;
            }

            Integer keep = getKeep(eideticParameters, vol);
            if (keep == null) {
                continue;
            }

            Boolean success;
            success = snapshotDecision(ec2Client, vol, period);
            if (!success) {
                continue;
            }

            success = snapshotCreation(ec2Client, vol, period, date);
            if (!success) {
                continue;
            }

            snapshotDeletion(ec2Client, vol, period, keep);

            logger.info("awsAccountNickname=\"" + uniqueAwsAccountIdentifier_
                    + "\",Event=\"Error\", Error=\"normal eidetic process did not create a snapshot for volume in alloted time.\", Volume_id=\""
                    + vol.getVolumeId() + "\"");

        } catch (Exception e) {
            logger.info("awsAccountNickname=\"" + uniqueAwsAccountIdentifier_
                    + "\",Event=\"Error\", Error=\"error in EideticChcker workflow', Volume_id=\""
                    + vol.getVolumeId() + "\", stacktrace=\"" + e.toString() + System.lineSeparator()
                    + StackTrace.getStringFromStackTrace(e) + "\"");
        }
    }

    ec2Client.shutdown();
    isFinished_ = true;

}

From source file:com.hp.mqm.atrf.App.java

private void confValidation() {
    logger.info(System.lineSeparator());
    logger.info("PHASE : connectivity validation");
    //VALIDATE LOGIN TO ALM
    loginToAlm();/*from w  w w  . j a v a2 s  . c  om*/

    //VALIDATE LOGIN TO OCTANE
    if (!isOutput()) {
        loginToOctane();
    }
}

From source file:org.ballerinalang.swagger.cmd.SwaggerCmd.java

@Override
public void printLongDesc(StringBuilder out) {
    out.append("Generates ballerina connector, service skeleton and mock service" + System.lineSeparator());
    out.append("for a given swagger definition" + System.lineSeparator());
    out.append(System.lineSeparator());
}