Example usage for java.nio.file Files delete

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

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Introduction

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

Prototype

public static void delete(Path path) throws IOException

Source Link

Document

Deletes a file.

Usage

From source file:org.apache.hadoop.hive.ql.log.TestSlidingFilenameRolloverStrategy.java

private void deleteLogFiles(Path parent, String fileName) throws IOException {
    DirectoryStream<Path> stream = Files.newDirectoryStream(parent, fileName + ".*");
    for (Path path : stream) {
        Files.delete(path);
    }/*from   w w w .  j  a va 2s  .c o  m*/
}

From source file:com.ignorelist.kassandra.steam.scraper.FileCache.java

private void putNonBlocking(String key, InputStream value) throws IOException {
    final Path cacheFile = buildCacheFile(key);
    OutputStream outputStream = new GZIPOutputStream(Files.newOutputStream(cacheFile));
    try {//from   w  w  w  .  j av a 2s.co  m
        IOUtils.copy(value, outputStream);
    } catch (IOException e) {
        IOUtils.closeQuietly(outputStream);
        Files.delete(cacheFile);
        throw e;
    } finally {
        IOUtils.closeQuietly(outputStream);
    }
}

From source file:org.ballerinalang.composer.service.fs.LocalFileSystem.java

@Override
public void delete(String path) throws IOException {
    Path ioPath = Paths.get(path);
    if (ioPath.toFile().isDirectory()) {
        Files.walk(ioPath, FileVisitOption.FOLLOW_LINKS).sorted(Comparator.reverseOrder()).map(Path::toFile)
                .forEach(File::delete);
    } else {/*ww  w  .  j av  a 2s  .co m*/
        Files.delete(ioPath);
    }
}

From source file:FileGameAccess.java

@Override
public void clearPersistance() {
    File folder = new File(System.getProperty("user.dir"));
    File[] filesInFolder = folder.listFiles();
    List<User> users = new ArrayList<>();
    for (File f : filesInFolder)
        if (FilenameUtils.getExtension(f.getName()).equals("commands")
                || FilenameUtils.getExtension(f.getName()).equals("catanmodel"))
            try {
                Files.delete(f.toPath());
            } catch (IOException ex) {
                Logger.getLogger(FileGameAccess.class.getName()).log(Level.SEVERE, null, ex);
            }//from  ww  w.  j a v a  2  s. com

}

From source file:org.apache.solr.ltr.TestRerankBase.java

protected static SortedMap<ServletHolder, String> setupTestInit(String solrconfig, String schema,
        boolean isPersistent) throws Exception {
    tmpSolrHome = createTempDir().toFile();
    tmpConfDir = new File(tmpSolrHome, CONF_DIR);
    tmpConfDir.deleteOnExit();// www. j ava  2 s  .  c o m
    FileUtils.copyDirectory(new File(TEST_HOME()), tmpSolrHome.getAbsoluteFile());

    final File fstore = new File(tmpConfDir, FEATURE_FILE_NAME);
    final File mstore = new File(tmpConfDir, MODEL_FILE_NAME);

    if (isPersistent) {
        fstorefile = fstore;
        mstorefile = mstore;
    }

    if (fstore.exists()) {
        log.info("remove feature store config file in {}", fstore.getAbsolutePath());
        Files.delete(fstore.toPath());
    }
    if (mstore.exists()) {
        log.info("remove model store config file in {}", mstore.getAbsolutePath());
        Files.delete(mstore.toPath());
    }
    if (!solrconfig.equals("solrconfig.xml")) {
        FileUtils.copyFile(new File(tmpSolrHome.getAbsolutePath() + "/collection1/conf/" + solrconfig),
                new File(tmpSolrHome.getAbsolutePath() + "/collection1/conf/solrconfig.xml"));
    }
    if (!schema.equals("schema.xml")) {
        FileUtils.copyFile(new File(tmpSolrHome.getAbsolutePath() + "/collection1/conf/" + schema),
                new File(tmpSolrHome.getAbsolutePath() + "/collection1/conf/schema.xml"));
    }

    final SortedMap<ServletHolder, String> extraServlets = new TreeMap<>();
    final ServletHolder solrRestApi = new ServletHolder("SolrSchemaRestApi", ServerServlet.class);
    solrRestApi.setInitParameter("org.restlet.application", SolrSchemaRestApi.class.getCanonicalName());
    solrRestApi.setInitParameter("storageIO",
            ManagedResourceStorage.InMemoryStorageIO.class.getCanonicalName());
    extraServlets.put(solrRestApi, PARENT_ENDPOINT);

    System.setProperty("managed.schema.mutable", "true");

    return extraServlets;
}

From source file:com.clust4j.algo.NearestCentroidTests.java

@Test
@Override//from w  w w  .  j av  a 2  s  . c om
public void testSerialization() throws IOException, ClassNotFoundException {
    NearestCentroid nn = new NearestCentroid(data_, target_, new NearestCentroidParameters().setVerbose(true))
            .fit();

    final int[] c = nn.getLabels();
    nn.saveObject(new FileOutputStream(TestSuite.tmpSerPath));
    assertTrue(TestSuite.file.exists());

    NearestCentroid nn2 = (NearestCentroid) NearestCentroid
            .loadObject(new FileInputStream(TestSuite.tmpSerPath));
    assertTrue(VecUtils.equalsExactly(c, nn2.getLabels()));
    assertTrue(nn2.equals(nn));
    Files.delete(TestSuite.path);
}

From source file:notaql.performance.PerformanceTest.java

private static void deleteRecursive(Path path) throws IOException {
    if (!Files.exists(path))
        return;/*from w  w w. ja  v a2  s .c o m*/

    Files.walk(path).sorted((a, b) -> b.compareTo(a)). // reverse; files before dirs
            forEach(p -> {
                try {
                    Files.delete(p);
                } catch (IOException e) {
                    /* ... */ }
            });
}

From source file:io.undertow.servlet.test.defaultservlet.DefaultServletCachingTestCase.java

@Test
public void testFileExistanceCheckCached() throws IOException, InterruptedException {
    TestHttpClient client = new TestHttpClient();
    String fileName = new SecureRandomSessionIdGenerator().createSessionId() + ".html";
    try {//from  ww w  .j  a  va2 s.  c  o m
        HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/servletContext/" + fileName);
        HttpResponse result = client.execute(get);
        Assert.assertEquals(StatusCodes.NOT_FOUND, result.getStatusLine().getStatusCode());
        HttpClientUtils.readResponse(result);

        Path f = tmpDir.resolve(fileName);
        Files.write(f, "hello".getBytes());
        get = new HttpGet(DefaultServer.getDefaultServerURL() + "/servletContext/" + fileName);
        result = client.execute(get);
        Assert.assertEquals(StatusCodes.NOT_FOUND, result.getStatusLine().getStatusCode());
        HttpClientUtils.readResponse(result);
        Thread.sleep(METADATA_MAX_AGE);

        get = new HttpGet(DefaultServer.getDefaultServerURL() + "/servletContext/" + fileName);
        result = client.execute(get);
        Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
        String response = HttpClientUtils.readResponse(result);
        Assert.assertEquals("hello", response);
        Files.delete(f);
    } finally {
        client.getConnectionManager().shutdown();
    }
}

From source file:net.sf.jabref.logic.exporter.FileSaveSession.java

@Override
public void commit(Path file) throws SaveException {
    if (file == null) {
        return;//from  w  w  w  . j  av a  2s  .  c o  m
    }
    if (backup && Files.exists(file)) {
        Path fileName = file.getFileName();
        Path backupFile = file.resolveSibling(fileName + BACKUP_EXTENSION);
        try {
            FileUtil.copyFile(file.toFile(), backupFile.toFile(), true);
        } catch (IOException ex) {
            LOGGER.error("Problem copying file", ex);
            throw SaveException.BACKUP_CREATION;
        }
    }
    try {
        if (useLockFile) {
            try {
                if (FileBasedLock.createLockFile(file)) {
                    // Oops, the lock file already existed. Try to wait it out:
                    if (!FileBasedLock.waitForFileLock(file, 10)) {
                        throw SaveException.FILE_LOCKED;
                    }
                }
            } catch (IOException ex) {
                LOGGER.error("Error when creating lock file.", ex);
            }
        }

        FileUtil.copyFile(temporaryFile.toFile(), file.toFile(), true);
    } catch (IOException ex2) {
        // If something happens here, what can we do to correct the problem? The file is corrupted, but we still
        // have a clean copy in tmp. However, we just failed to copy tmp to file, so it's not likely that
        // repeating the action will have a different result.
        // On the other hand, our temporary file should still be clean, and won't be deleted.
        throw new SaveException("Save failed while committing changes: " + ex2.getMessage(),
                Localization.lang("Save failed while committing changes: %0", ex2.getMessage()));
    } finally {
        if (useLockFile) {
            FileBasedLock.deleteLockFile(file);
        }
    }
    try {
        Files.delete(temporaryFile);
    } catch (IOException e) {
        LOGGER.warn("Cannot delete temporary file", e);
    }
}

From source file:org.carcv.impl.core.io.FFMPEGVideoHandlerIT.java

/**
 * Test method for/*w  w  w. j ava 2 s .  c  o  m*/
 * {@link org.carcv.impl.core.io.FFMPEGVideoHandler#splitIntoFrames(java.nio.file.Path, int, java.nio.file.Path)}.
 *
 * @throws IOException
 */
@Test
public void testSplitIntoFramesPathIntPath() throws IOException {
    FFMPEGVideoHandler fvh = new FFMPEGVideoHandler();
    FFMPEGVideoHandler.copyCarImagesToDir(entry.getCarImages(), videoDir);
    Path video = fvh.generateVideo(videoDir, FFMPEGVideoHandler.defaultFrameRate);

    Path dir = Paths.get(video.toString() + ".custom_dir");
    assertTrue("Split failed.", fvh.splitIntoFrames(video, FFMPEGVideoHandler.defaultFrameRate, dir));

    DirectoryStream<Path> paths = Files.newDirectoryStream(dir);
    int counter = 0;
    for (@SuppressWarnings("unused")
    Path p : paths) {
        counter++;
    }
    assertEquals(entry.getCarImages().size(), counter);

    Files.delete(video);
    DirectoryWatcher.deleteDirectory(dir);
}