Example usage for java.nio.file StandardOpenOption APPEND

Introduction

In this page you can find the example usage for java.nio.file StandardOpenOption APPEND.

Prototype

StandardOpenOption APPEND

To view the source code for java.nio.file StandardOpenOption APPEND.

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Document

If the file is opened for #WRITE access then bytes will be written to the end of the file rather than the beginning.

Usage

From source file:org.bonitasoft.web.designer.livebuild.WatcherTest.java

@Test
public void should_trigger_a_modified_event_when_a_file_is_modified() throws Exception {
    Path existingFile = Files.createFile(subDirectory.resolve("file"));
    PathListenerStub listener = new PathListenerStub();
    watcher.watch(folder.toPath(), listener);

    Files.write(existingFile, "hello".getBytes(), StandardOpenOption.APPEND);

    Thread.sleep(SLEEP_DELAY);//  ww  w . j a v  a2 s.  c  om
    assertThat(listener.getChanged()).containsExactly(existingFile);
}

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From source file:org.jsontocsv.writer.CSVWriter.java

/**
 * Write the given CSV from a flat json to the given file.
 * //from   w  ww  .  j  a  v a  2s .  c om
 * @param flatJson
 * @param separator
 * @param fileName 
 * @param headers
 */
public static void writeLargeFile(List<Map<String, String>> flatJson, String separator, String fileName,
        Set<String> headers) {
    String csvString;
    csvString = StringUtils.join(headers.toArray(), separator) + "\n";
    File file = new File(fileName);

    try {
        // ISO8859_1 char code to Latin alphabet
        FileUtils.write(file, csvString, "ISO8859_1");

        for (Map<String, String> map : flatJson) {
            csvString = "";
            csvString = getSeperatedColumns(headers, map, separator) + "\n";
            Files.write(Paths.get(fileName), csvString.getBytes("ISO8859_1"), StandardOpenOption.APPEND);
        }
    } catch (IOException e) {
        LOGGER.error("CSVWriter#writeLargeFile(flatJson, separator, fileName, headers) IOException: ", e);
    }
}

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From source file:org.apache.pulsar.io.file.TestFileGenerator.java

private final void createFile() {
    try {/* w  w  w . j av  a 2 s.c  o  m*/
        Path path = Files.createTempFile(tempDir, prefix, suffix, attrs);
        try (OutputStream out = Files.newOutputStream(path, StandardOpenOption.APPEND)) {
            for (int idx = 0; idx < numLines; idx++) {
                IOUtils.write(RandomStringUtils.random(50, true, false) + "\n", out, "UTF-8");
            }
        }

        producedFiles.put(path.toFile());

    } catch (IOException | InterruptedException e) {
        e.printStackTrace();
    }
}

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From source file:net.sf.jclal.listener.RealScenarioListener.java

/**
 * {@inheritDoc}/* w w  w.ja v  a  2s . co m*/
 */
@Override
public void algorithmStarted(AlgorithmEvent event) {

    super.algorithmStarted(event);

    in = new BufferedReader(new InputStreamReader(System.in));

    if (getInformativeInstances() == null || getInformativeInstances().isEmpty()) {
        setInformativeInstances(newInformativeInstances());
    }

    File keep = new File(getInformativeInstances());
    keep.getParentFile().mkdirs();

    try {
        writer = Files.newBufferedWriter(new File(getInformativeInstances()).toPath(), Charset.defaultCharset(),
                StandardOpenOption.CREATE, StandardOpenOption.APPEND);

    } catch (IOException ex) {
        Logger.getLogger(RealScenarioListener.class.getName()).log(Level.SEVERE, null, ex);
    }

    ///////////////////////////////////
    System.out.println(
            "\nWelcome to the real scenario listener. You can use it to obtain the most informative unlabeled data."
                    + "\nAt the end of this session you can save the labeled data for further analysis."
                    + "\nYou must specify in the configuration file the parameter <informative-instances> for setting the path where the "
                    + "instances that were labeled will be saved."
                    + "\nThis example of real-world use can be combined with a simulated or a human oracle."
                    + "\nThe labeled instances will be stored sequentially in: " + getInformativeInstances()
                    + "." + "\nIf you are ready to begin please press <enter>.");

    readLine();

    System.out.println("Active Learning begins...");
}

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From source file:com.liferay.ide.gradle.core.GradleProjectBuilder.java

public IStatus initBundle(IProject project, String bundleUrl, IProgressMonitor monitor) throws CoreException {
    String bundleUrlProperty = "\n\n" + LiferayWorkspaceUtil.LIFERAY_WORKSPACE_BUNDLE_URL + "=" + bundleUrl;

    IPath gradlePropertiesLocation = project.getFile("gradle.properties").getLocation();

    File gradlePropertiesFile = gradlePropertiesLocation.toFile();

    try {//from   w ww.j av  a 2s .c  o  m
        Files.write(gradlePropertiesFile.toPath(), bundleUrlProperty.getBytes(), StandardOpenOption.APPEND);
    } catch (IOException ioe) {
        GradleCore.logError("Error append bundle url property", ioe);
    }

    _runGradleTask("initBundle", monitor);

    project.refreshLocal(IResource.DEPTH_INFINITE, monitor);

    return Status.OK_STATUS;
}

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From source file:wso2.sample.SampleScheduledTask.java

public void execute() {
    try {/*from w w w .j av  a 2 s .  c  om*/

        Files.write(Paths.get("/Users/sewmini/Desktop/INABOXGROUPDEV-36/text.log"),
                ("param1: " + param1 + "," + " param2: " + param2 + "\n").getBytes(),
                StandardOpenOption.APPEND);
    } catch (IOException e) {
        log.error(e);
    }
}

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From source file:org.reactor.monitoring.util.FileHandler.java

public static void createAndUpdateFile(final boolean replaceFile, final String fileLocation,
        final String output) {
    try {/*  w w  w .  j a  va2s .c  o m*/
        Path path = Paths.get(fileLocation);
        Path parentDir = path.getParent();
        if (!Files.exists(parentDir)) {
            Files.createDirectories(parentDir);
        }

        if (!Files.exists(path, LinkOption.NOFOLLOW_LINKS)) {
            Files.createFile(path);
        } else if (replaceFile) {
            Files.delete(path);
            Files.createFile(path);
        }

        Files.write(path, output.getBytes(), StandardOpenOption.APPEND);

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

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From source file:ru.xxlabaza.csv.merger.Main.java

@SneakyThrows
private static void writeIntersections(Path resultFile, Map<String, List<String>> first,
        Map<String, List<String>> second) {
    val toWrite = first.entrySet().stream().filter(entry -> {
        return second.containsKey(entry.getKey());
    }).flatMap(entry -> {/*w w  w  .  ja  v  a 2  s .  co m*/
        return entry.getValue().stream().flatMap(firstValue -> {
            return second.get(entry.getKey()).stream().map(secondValue -> {
                return new StringBuilder().append(entry.getKey()).append(',').append(firstValue).append(',')
                        .append(secondValue).toString();
            });
        });
    }).collect(toList());

    Files.write(resultFile, toWrite, StandardOpenOption.APPEND);
}

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From source file:org.geppetto.persistence.s3.S3Manager.java

public void saveTextToS3(String text, String path) throws IOException {
    File file = File.createTempFile("file", "");
    Files.write(file.toPath(), text.getBytes(), StandardOpenOption.APPEND);
    saveFileToS3(file, path);// w w  w  . ja  v  a2  s. com
}

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From source file:com.vaushell.superpipes.transforms.done.T_Done.java

@Override
public Message transform(final Message message) throws Exception {
    if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("[" + getNode().getNodeID() + "/" + getClass().getSimpleName() + "] transform message : "
                + Message.formatSimple(message));
    }/*from w  w  w.j a v  a 2s . c  o  m*/

    final String ID = buildID(message, fields);
    if (ids.contains(ID)) {
        return null;
    }

    // Save message ID. Won't be replay
    ids.add(ID);

    try (final BufferedWriter bfw = Files.newBufferedWriter(path, Charset.forName("utf-8"),
            StandardOpenOption.APPEND, StandardOpenOption.CREATE)) {
        bfw.write(ID);
        bfw.write(' ');
        bfw.write(Message.formatSimple(message));
        bfw.newLine();
    }

    return message;
}

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