Example usage for java.nio.file Files setLastModifiedTime

List of usage examples for java.nio.file Files setLastModifiedTime

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Introduction

In this page you can find the example usage for java.nio.file Files setLastModifiedTime.

Prototype

public static Path setLastModifiedTime(Path path, FileTime time) throws IOException

Source Link

Document

Updates a file's last modified time attribute.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {

    long time = System.currentTimeMillis();
    FileTime fileTime = FileTime.fromMillis(time);
    Path path = Paths.get("C:/tutorial/Java/JavaFX", "Topic.txt");

    try {//ww  w  .  java  2  s.c om
        Files.setLastModifiedTime(path, fileTime);
    } catch (IOException e) {
        System.err.println(e);
    }

}

From source file:com.netflix.nicobar.core.persistence.ArchiveRepositoryTest.java

/**
 * Test insert, update, delete//from  w w w  . ja v a 2  s . com
 */
@Test
public void testRoundTrip() throws Exception {
    ArchiveRepository repository = createRepository();
    JarScriptArchive jarScriptArchive = new JarScriptArchive.Builder(testArchiveJarFile).build();
    ModuleId testModuleId = TEST_MODULE_SPEC_JAR.getModuleId();
    repository.insertArchive(jarScriptArchive);
    Map<ModuleId, Long> archiveUpdateTimes = repository.getDefaultView().getArchiveUpdateTimes();
    long expectedUpdateTime = Files.getLastModifiedTime(testArchiveJarFile).toMillis();
    assertEquals(archiveUpdateTimes, Collections.singletonMap(testModuleId, expectedUpdateTime));

    // assert getScriptArchives
    Set<ScriptArchive> scriptArchives = repository.getScriptArchives(archiveUpdateTimes.keySet());
    assertEquals(scriptArchives.size(), 1, scriptArchives.toString());
    ScriptArchive scriptArchive = scriptArchives.iterator().next();
    assertEquals(scriptArchive.getModuleSpec().getModuleId(), testModuleId);
    assertEquals(scriptArchive.getCreateTime(), expectedUpdateTime);

    // assert getArchiveSummaries
    List<ArchiveSummary> archiveSummaries = repository.getDefaultView().getArchiveSummaries();
    assertEquals(archiveSummaries.size(), 1);
    ArchiveSummary archiveSummary = archiveSummaries.get(0);
    assertEquals(archiveSummary.getModuleId(), testModuleId);
    assertEquals(archiveSummary.getLastUpdateTime(), expectedUpdateTime);

    // assert getRepositorySummary
    RepositorySummary repositorySummary = repository.getDefaultView().getRepositorySummary();
    assertNotNull(repositorySummary);
    assertEquals(repositorySummary.getArchiveCount(), 1);
    assertEquals(repositorySummary.getLastUpdated(), expectedUpdateTime);

    // advance the timestamp by 10 seconds and update
    expectedUpdateTime = expectedUpdateTime + 10000;
    Files.setLastModifiedTime(testArchiveJarFile, FileTime.fromMillis(expectedUpdateTime));
    jarScriptArchive = new JarScriptArchive.Builder(testArchiveJarFile).build();
    repository.insertArchive(jarScriptArchive);
    archiveUpdateTimes = repository.getDefaultView().getArchiveUpdateTimes();
    assertEquals(archiveUpdateTimes, Collections.singletonMap(testModuleId, expectedUpdateTime));

    // assert getScriptArchives
    scriptArchives = repository.getScriptArchives(archiveUpdateTimes.keySet());
    assertEquals(scriptArchives.size(), 1, scriptArchives.toString());
    scriptArchive = scriptArchives.iterator().next();
    assertEquals(scriptArchive.getModuleSpec().getModuleId(), testModuleId);
    assertEquals(scriptArchive.getCreateTime(), expectedUpdateTime);

    // assert getArchiveSummaries
    archiveSummaries = repository.getDefaultView().getArchiveSummaries();
    assertEquals(archiveSummaries.size(), 1);
    archiveSummary = archiveSummaries.get(0);
    assertEquals(archiveSummary.getModuleId(), testModuleId);
    assertEquals(archiveSummary.getLastUpdateTime(), expectedUpdateTime);

    // assert getRepositorySummary
    repositorySummary = repository.getDefaultView().getRepositorySummary();
    assertNotNull(repositorySummary);
    assertEquals(repositorySummary.getArchiveCount(), 1);
    assertEquals(repositorySummary.getLastUpdated(), expectedUpdateTime);

    // delete module
    repository.deleteArchive(testModuleId);
    archiveUpdateTimes = repository.getDefaultView().getArchiveUpdateTimes();
    assertTrue(archiveUpdateTimes.isEmpty(), archiveUpdateTimes.toString());
}

From source file:com.github.wellcomer.query3.core.Autocomplete.java

/**
    ?.   ?,  TreeSet ?  ? ?. ? TreeSet   .
        //from ww w.  ja  va  2  s.c om
    @param queryList ?? ?.
    @param scanModifiedOnly ?   ?.
    @param mergePrevious ?? ?  ??  .
*/
public void autolearn(QueryList queryList, boolean scanModifiedOnly, boolean mergePrevious) throws IOException {

    FileTime timestamp;
    long modifiedSince = 0;
    Path timestampFilePath = Paths.get(filePath, ".timestamp");

    if (scanModifiedOnly) { //   
        try { //  ?   ? ?
            timestamp = Files.getLastModifiedTime(timestampFilePath);
            modifiedSince = timestamp.toMillis();
        } catch (IOException e) { //    ?    ? 
            Files.createFile(timestampFilePath);
        }
    }

    HashMap<String, TreeSet<String>> fields = new HashMap<>(); //  - ? ?,  -  ? 
    Iterator<Query> queryIterator = queryList.iterator(modifiedSince); // ? ?? ? ?  ?

    String k, v;

    while (queryIterator.hasNext()) {

        Query query = queryIterator.next();

        for (Map.Entry<String, String> entry : query.entrySet()) {

            k = entry.getKey().toLowerCase();
            v = entry.getValue().trim();

            if (v.length() < 2)
                continue;

            if (!fields.containsKey(k)) {

                TreeSet<String> treeSet = new TreeSet<>();

                try {
                    if (mergePrevious) { // ? ?  
                        List<String> lines = Files.readAllLines(Paths.get(filePath, k), charset);
                        treeSet.addAll(lines);
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }

                fields.put(k, treeSet);
            }
            TreeSet<String> treeSet = fields.get(k);
            treeSet.add(v);
        }
    }

    for (Map.Entry<String, TreeSet<String>> entry : fields.entrySet()) {

        k = entry.getKey();
        ArrayList<String> lines = new ArrayList<>(fields.get(k));

        FileWriter fileWriter = new FileWriter(Paths.get(filePath, k).toString());
        fileWriter.write(StringUtils.join(lines, System.getProperty("line.separator")));
        fileWriter.flush();
        fileWriter.close();
    }

    try {
        Files.setLastModifiedTime(timestampFilePath, FileTime.fromMillis(System.currentTimeMillis()));
    } catch (IOException e) {
        if (e.getClass().getSimpleName().equals("NoSuchFileException"))
            Files.createFile(timestampFilePath);
        e.printStackTrace();
    }
}

From source file:com.ethlo.geodata.util.ResourceUtil.java

private Entry<Date, File> downloadIfNewer(DataType dataType, Resource resource, CheckedFunction<Path, Path> fun)
        throws IOException {
    publisher.publishEvent(new DataLoadedEvent(this, dataType, Operation.DOWNLOAD, 0, 1));
    final String alias = dataType.name().toLowerCase();
    final File tmpDownloadedFile = new File(tmpDir, alias);
    final Date remoteLastModified = new Date(resource.lastModified());
    final long localLastModified = tmpDownloadedFile.exists() ? tmpDownloadedFile.lastModified() : -2;
    logger.info(/*from   ww w. ja v  a 2  s  .co m*/
            "Local file for alias {}" + "\nPath: {}" + "\nExists: {}" + "\nLocal last-modified: {} "
                    + "\nRemote last modified: {}",
            alias, tmpDownloadedFile.getAbsolutePath(), tmpDownloadedFile.exists(),
            formatDate(localLastModified), formatDate(remoteLastModified.getTime()));

    if (!tmpDownloadedFile.exists() || remoteLastModified.getTime() > localLastModified) {
        logger.info("Downloading {}", resource.getURL());
        Files.copy(resource.getInputStream(), tmpDownloadedFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
        logger.info("Download complete");
    }

    final Path preppedFile = fun.apply(tmpDownloadedFile.toPath());
    Files.setLastModifiedTime(tmpDownloadedFile.toPath(), FileTime.fromMillis(remoteLastModified.getTime()));
    Files.setLastModifiedTime(preppedFile, FileTime.fromMillis(remoteLastModified.getTime()));
    publisher.publishEvent(new DataLoadedEvent(this, dataType, Operation.DOWNLOAD, 1, 1));
    return new AbstractMap.SimpleEntry<>(new Date(remoteLastModified.getTime()), preppedFile.toFile());
}

From source file:org.apache.taverna.robundle.manifest.TestManifestJSON.java

@Test
public void createBundle() throws Exception {
    // Create bundle as in Example 3 of the specification
    // http://wf4ever.github.io/ro/bundle/2013-05-21/
    try (Bundle bundle = Bundles.createBundle()) {
        Calendar createdOnCal = Calendar.getInstance(TimeZone.getTimeZone("Z"), Locale.ENGLISH);
        // "2013-03-05T17:29:03Z"
        // Remember months are 0-based in java.util.Calendar!
        createdOnCal.set(2013, 3 - 1, 5, 17, 29, 03);
        createdOnCal.set(Calendar.MILLISECOND, 0);
        FileTime createdOn = FileTime.fromMillis(createdOnCal.getTimeInMillis());
        Manifest manifest = bundle.getManifest();
        manifest.setCreatedOn(createdOn);
        Agent createdBy = new Agent("Alice W. Land");
        createdBy.setUri(URI.create("http://example.com/foaf#alice"));
        createdBy.setOrcid(URI.create("http://orcid.org/0000-0002-1825-0097"));

        manifest.setCreatedBy(createdBy);

        Path evolutionPath = bundle.getPath(".ro/evolution.ttl");
        Files.createDirectories(evolutionPath.getParent());
        Bundles.setStringValue(evolutionPath, "<manifest.json> < http://purl.org/pav/retrievedFrom> "
                + "<http://wf4ever.github.io/ro/bundle/2013-05-21/example/.ro/manifest.json> .");
        manifest.getHistory().add(evolutionPath);

        Path jpeg = bundle.getPath("folder/soup.jpeg");
        Files.createDirectory(jpeg.getParent());
        Files.createFile(jpeg);/* w ww .j a  va 2s. c  o m*/
        // register in manifest first
        bundle.getManifest().getAggregation(jpeg);

        URI blog = URI.create("http://example.com/blog/");
        bundle.getManifest().getAggregation(blog);

        Path readme = bundle.getPath("README.txt");
        Files.createFile(readme);
        PathMetadata readmeMeta = bundle.getManifest().getAggregation(readme);
        readmeMeta.setMediatype("text/plain");
        Agent readmeCreatedby = new Agent("Bob Builder");
        readmeCreatedby.setUri(URI.create("http://example.com/foaf#bob"));
        readmeMeta.setCreatedBy(readmeCreatedby);

        // 2013-02-12T19:37:32.939Z
        createdOnCal.set(2013, 2 - 1, 12, 19, 37, 32);
        createdOnCal.set(Calendar.MILLISECOND, 939);
        createdOn = FileTime.fromMillis(createdOnCal.getTimeInMillis());
        Files.setLastModifiedTime(readme, createdOn);
        readmeMeta.setCreatedOn(createdOn);

        PathMetadata comments = bundle.getManifest()
                .getAggregation(URI.create("http://example.com/comments.txt"));
        comments.getOrCreateBundledAs().setURI(URI.create("urn:uuid:a0cf8616-bee4-4a71-b21e-c60e6499a644"));
        comments.getOrCreateBundledAs().setFolder(bundle.getPath("/folder/"));
        comments.getOrCreateBundledAs().setFilename("external.txt");

        PathAnnotation jpegAnn = new PathAnnotation();
        jpegAnn.setAbout(jpeg);
        Path soupProps = Bundles.getAnnotations(bundle).resolve("soup-properties.ttl");
        Bundles.setStringValue(soupProps, "</folder/soup.jpeg> <http://xmlns.com/foaf/0.1/depicts> "
                + "<http://example.com/menu/tomato-soup> .");
        jpegAnn.setContent(soupProps);
        // jpegAnn.setContent(URI.create("annotations/soup-properties.ttl"));
        jpegAnn.setUri(URI.create("urn:uuid:d67466b4-3aeb-4855-8203-90febe71abdf"));
        manifest.getAnnotations().add(jpegAnn);

        PathAnnotation proxyAnn = new PathAnnotation();
        proxyAnn.setAbout(comments.getBundledAs().getURI());
        proxyAnn.setContent(URI.create("http://example.com/blog/they-aggregated-our-file"));
        manifest.getAnnotations().add(proxyAnn);

        Path metaAnn = Bundles.getAnnotations(bundle).resolve("a-meta-annotation-in-this-ro.txt");
        Bundles.setStringValue(metaAnn, "This bundle contains an annotation about /folder/soup.jpeg");

        PathAnnotation metaAnnotation = new PathAnnotation();
        metaAnnotation.setAbout(bundle.getRoot());
        metaAnnotation.getAboutList().add(URI.create("urn:uuid:d67466b4-3aeb-4855-8203-90febe71abdf"));

        metaAnnotation.setContent(metaAnn);
        manifest.getAnnotations().add(metaAnnotation);

        Path jsonPath = bundle.getManifest().writeAsJsonLD();
        ObjectMapper objectMapper = new ObjectMapper();
        String jsonStr = Bundles.getStringValue(jsonPath);
        //System.out.println(jsonStr);
        JsonNode json = objectMapper.readTree(jsonStr);
        checkManifestJson(json);
    }
}

From source file:dk.dma.msiproxy.common.repo.ThumbnailService.java

/**
 * Creates a thumbnail for the image file using libvips
 *
 * @param file      the image file/*from w  w w.jav  a 2  s  .c  o m*/
 * @param thumbFile the resulting thumbnail file
 * @param size      the size of the thumbnail
 */
private void createThumbnailUsingVips(Path file, Path thumbFile, IconSize size) throws IOException {

    try {

        // Example command: vipsthumbnail -s 64 -p bilinear -o thumb.png image2.jpg
        final Process proc = new ProcessBuilder(vipsCmd, "-s", String.valueOf(size.getSize()), "-p", "bilinear",
                "-o", thumbFile.toString(), file.toString()).directory(new File(System.getProperty("user.dir")))
                        .inheritIO().start();

        BufferedReader br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
        String line;
        while ((line = br.readLine()) != null) {
            log.debug(line);
        }

        //Wait to get exit value
        int exitValue = proc.waitFor();
        log.debug("Exit Value is " + exitValue);

        // Update the timestamp of the thumbnail file to match the change date of the image file
        Files.setLastModifiedTime(thumbFile, Files.getLastModifiedTime(file));

    } catch (IOException | InterruptedException e) {
        log.error("Error creating thumbnail for image " + file, e);
        throw new IOException(e);
    }
}

From source file:com.netflix.nicobar.core.persistence.PathArchiveRepository.java

@Override
public void insertArchive(JarScriptArchive jarScriptArchive) throws IOException {
    Objects.requireNonNull(jarScriptArchive, "jarScriptArchive");
    ScriptModuleSpec moduleSpec = jarScriptArchive.getModuleSpec();
    ModuleId moduleId = moduleSpec.getModuleId();
    Path moduleDir = rootDir.resolve(moduleId.toString());
    if (Files.exists(moduleDir)) {
        FileUtils.deleteDirectory(moduleDir.toFile());
    }// ww  w. j ava2 s .co m
    JarFile jarFile;
    try {
        jarFile = new JarFile(jarScriptArchive.getRootUrl().toURI().getPath());
    } catch (URISyntaxException e) {
        throw new IOException(e);
    }
    try {
        Enumeration<JarEntry> entries = jarFile.entries();
        while (entries.hasMoreElements()) {
            JarEntry jarEntry = entries.nextElement();
            Path entryName = moduleDir.resolve(jarEntry.getName());
            if (jarEntry.isDirectory()) {
                Files.createDirectories(entryName);
            } else {
                InputStream inputStream = jarFile.getInputStream(jarEntry);
                try {
                    Files.copy(inputStream, entryName);
                } finally {
                    IOUtils.closeQuietly(inputStream);
                }
            }
        }
    } finally {
        IOUtils.closeQuietly(jarFile);
    }
    // write the module spec
    String serialized = moduleSpecSerializer.serialize(moduleSpec);
    Files.write(moduleDir.resolve(moduleSpecSerializer.getModuleSpecFileName()),
            serialized.getBytes(Charsets.UTF_8));

    // update the timestamp on the module directory to indicate that the module has been updated
    Files.setLastModifiedTime(moduleDir, FileTime.fromMillis(jarScriptArchive.getCreateTime()));
}

From source file:com.netflix.nicobar.core.persistence.JarArchiveRepository.java

@Override
public void insertArchive(JarScriptArchive jarScriptArchive) throws IOException {
    Objects.requireNonNull(jarScriptArchive, "jarScriptArchive");
    ScriptModuleSpec moduleSpec = jarScriptArchive.getModuleSpec();
    ModuleId moduleId = moduleSpec.getModuleId();
    Path moduleJarPath = getModuleJarPath(moduleId);
    Files.deleteIfExists(moduleJarPath);
    JarFile sourceJarFile;/* w  w w .  ja  v  a 2s. c om*/
    try {
        sourceJarFile = new JarFile(jarScriptArchive.getRootUrl().toURI().getPath());
    } catch (URISyntaxException e) {
        throw new IOException(e);
    }
    JarOutputStream destJarFile = new JarOutputStream(new FileOutputStream(moduleJarPath.toFile()));
    try {
        String moduleSpecFileName = moduleSpecSerializer.getModuleSpecFileName();
        Enumeration<JarEntry> sourceEntries = sourceJarFile.entries();
        while (sourceEntries.hasMoreElements()) {
            JarEntry sourceEntry = sourceEntries.nextElement();
            if (sourceEntry.getName().equals(moduleSpecFileName)) {
                // avoid double entry for module spec
                continue;
            }
            destJarFile.putNextEntry(sourceEntry);
            if (!sourceEntry.isDirectory()) {
                InputStream inputStream = sourceJarFile.getInputStream(sourceEntry);
                IOUtils.copy(inputStream, destJarFile);
                IOUtils.closeQuietly(inputStream);
            }
            destJarFile.closeEntry();
        }
        // write the module spec
        String serialized = moduleSpecSerializer.serialize(moduleSpec);
        JarEntry moduleSpecEntry = new JarEntry(moduleSpecSerializer.getModuleSpecFileName());
        destJarFile.putNextEntry(moduleSpecEntry);
        IOUtils.write(serialized, destJarFile);
        destJarFile.closeEntry();
    } finally {
        IOUtils.closeQuietly(sourceJarFile);
        IOUtils.closeQuietly(destJarFile);
    }
    // update the timestamp on the jar file to indicate that the module has been updated
    Files.setLastModifiedTime(moduleJarPath, FileTime.fromMillis(jarScriptArchive.getCreateTime()));
}

From source file:dk.dma.msiproxy.common.repo.ThumbnailService.java

/**
 * Creates a thumbnail for the image file using plain old java
 * @param file the image file//from  w  w w .j a v a  2s.c  om
 * @param thumbFile the resulting thumbnail file
 * @param size the size of the thumbnail
 */
private void createThumbnailUsingJava(Path file, Path thumbFile, IconSize size) throws IOException {

    try {
        BufferedImage image = ImageIO.read(file.toFile());

        int w = image.getWidth();
        int h = image.getHeight();

        // Never scale up
        if (w <= size.getSize() && h <= size.getSize()) {
            FileUtils.copyFile(file.toFile(), thumbFile.toFile());

        } else {
            // Compute the scale factor
            double dx = (double) size.getSize() / (double) w;
            double dy = (double) size.getSize() / (double) h;
            double d = Math.min(dx, dy);

            // Create the thumbnail
            BufferedImage thumbImage = new BufferedImage((int) Math.round(w * d), (int) Math.round(h * d),
                    BufferedImage.TYPE_INT_RGB);
            Graphics2D g2d = thumbImage.createGraphics();
            AffineTransform at = AffineTransform.getScaleInstance(d, d);
            g2d.drawRenderedImage(image, at);
            g2d.dispose();

            // Save the thumbnail
            String fileName = thumbFile.getFileName().toString();
            ImageIO.write(thumbImage, FilenameUtils.getExtension(fileName), thumbFile.toFile());

            // Releas resources
            image.flush();
            thumbImage.flush();
        }

        // Update the timestamp of the thumbnail file to match the change date of the image file
        Files.setLastModifiedTime(thumbFile, Files.getLastModifiedTime(file));

    } catch (Exception e) {
        log.error("Error creating thumbnail for image " + file, e);
        throw new IOException(e);
    }
}

From source file:com.qwazr.library.archiver.ArchiverTool.java

public void extract(final Path sourceFile, final Path destDir) throws IOException, ArchiveException {
    try (final InputStream is = new BufferedInputStream(Files.newInputStream(sourceFile))) {
        try (final ArchiveInputStream in = new ArchiveStreamFactory().createArchiveInputStream(is)) {
            ArchiveEntry entry;//from   w w  w . j a va 2 s . co m
            while ((entry = in.getNextEntry()) != null) {
                if (!in.canReadEntryData(entry))
                    continue;
                if (entry.isDirectory()) {
                    final Path newDir = destDir.resolve(entry.getName());
                    if (!Files.exists(newDir))
                        Files.createDirectory(newDir);
                    continue;
                }
                if (entry instanceof ZipArchiveEntry)
                    if (((ZipArchiveEntry) entry).isUnixSymlink())
                        continue;
                final Path destFile = destDir.resolve(entry.getName());
                final Path parentDir = destFile.getParent();
                if (!Files.exists(parentDir))
                    Files.createDirectories(parentDir);
                final long entryLastModified = entry.getLastModifiedDate().getTime();
                if (Files.exists(destFile) && Files.isRegularFile(destFile)
                        && Files.getLastModifiedTime(destFile).toMillis() == entryLastModified
                        && entry.getSize() == Files.size(destFile))
                    continue;
                IOUtils.copy(in, destFile);
                Files.setLastModifiedTime(destFile, FileTime.fromMillis(entryLastModified));
            }
        } catch (IOException e) {
            throw new IOException("Unable to extract the archive: " + sourceFile.toAbsolutePath(), e);
        }
    } catch (ArchiveException e) {
        throw new ArchiveException("Unable to extract the archive: " + sourceFile.toAbsolutePath(), e);
    }
}