Example usage for java.nio.file Files delete

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:ch.puzzle.itc.mobiliar.business.utils.SecureFileLoaderTest.java

@Test
public void testIsFileLocatedInDirectorySymbolicLinkOk() throws IOException {
    //symlinks work only on unix
    Assume.assumeTrue(isUnix());/*  www . j  a  va  2 s.  c o  m*/
    Path symlink = Paths.get(dir.toString(), "symlink.txt");
    //We create a symbolic link inside of the permitted folder pointing to a file inside of the permitted folder. This should be ok.
    Files.createSymbolicLink(symlink, f);
    Assert.assertTrue(fileLoader.isFileLocatedInDirectory(dir, symlink));
    Files.delete(symlink);
}

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

@Test
@Override//from   w w  w .j a  v  a2s  .  c o  m
public void testSerialization() throws IOException, ClassNotFoundException {
    NearestNeighbors nn = new NearestNeighbors(data, new NearestNeighborsParameters(5).setVerbose(true)).fit();

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

    NearestNeighbors nn2 = (NearestNeighbors) NearestNeighbors
            .loadObject(new FileInputStream(TestSuite.tmpSerPath));
    assertTrue(MatUtils.equalsExactly(nn2.getNeighbors().getIndices(), c));
    assertTrue(nn2.equals(nn));
    assertTrue(nn.equals(nn)); // test the ref return
    assertFalse(nn.equals(new Object()));

    Files.delete(TestSuite.path);
}

From source file:org.lable.oss.dynamicconfig.provider.FileBasedConfigSourceIT.java

@Ignore
@Test/*ww w .  ja  v a2  s.  c om*/
public void testListen() throws URISyntaxException, InterruptedException, IOException, ConfigurationException {
    final String VALUE_A = "key: AAA\n";
    final String VALUE_B = "key: BBB\n";
    final String VALUE_C = "key: CCC\n";

    File configFile = File.createTempFile("configuration", ".yml");
    Files.write(configFile.toPath(), VALUE_A.getBytes());

    FileBasedConfigSource source = new FileBasedConfigSource();
    Configuration config = new BaseConfiguration();
    config.setProperty("path", configFile.getPath());
    source.configure(config);
    HierarchicalConfigurationDeserializer deserializer = new YamlDeserializer();

    final List<String> results = new ArrayList<>();
    source.listen(deserializer, fresh -> results.add(fresh.getString("key")));

    // Sleep a little bit between file modification to ensure we have a testable sequence of events.
    TimeUnit.MILLISECONDS.sleep(200);
    // Change the contents of the file. Triggers the listener the first time.
    Files.write(configFile.toPath(), VALUE_B.getBytes());
    TimeUnit.MILLISECONDS.sleep(200);
    // Change it again. Triggers the listener a second time.
    Files.write(configFile.toPath(), VALUE_A.getBytes());
    TimeUnit.MILLISECONDS.sleep(200);
    // Remove the file. Has no impact on the listener.
    Files.delete(configFile.toPath());
    TimeUnit.MILLISECONDS.sleep(200);
    // And recreate it. Triggers the listener.
    Files.write(configFile.toPath(), VALUE_C.getBytes());
    TimeUnit.MILLISECONDS.sleep(200);

    assertThat(results.get(0), is("BBB"));
    assertThat(results.get(1), is("AAA"));
    assertThat(results.get(2), is("CCC"));
    assertThat(results.size(), is(3));
}

From source file:org.fim.tooling.RepositoryTool.java

public void setFileContent(Path file, String content) throws IOException {
    if (Files.exists(file)) {
        Files.delete(file);
    }/* w  w  w . j a  v a2 s .  c  o m*/

    // Creates a big content based on the provided content
    int fileSize = FILE_SIZE + (301_457 * fileCount);
    StringBuilder sb = new StringBuilder(fileSize);
    int index = 0;
    while (sb.length() < fileSize) {
        index++;
        sb.append("b_").append(index).append(": ").append(content).append('\n');
    }

    Files.write(file, sb.toString().getBytes(), CREATE);
}

From source file:org.fim.internal.StateManagerTest.java

@Test
public void weCanRetrieveLastStateNumberWhenAStateFileIsMissing() throws IOException {
    s = s.addFiles("file_1", "file_2");
    cut.createNewState(s);//  www.ja va  2 s .  c  o  m

    s = s.addFiles("file_3");
    cut.createNewState(s);

    assertThat(cut.getLastStateNumber()).isEqualTo(2);

    Files.delete(cut.getStateFile(2));

    assertThat(cut.getLastStateNumber()).isEqualTo(1);
}

From source file:com.yahoo.bard.webservice.util.Utils.java

/**
 * Delete files or directories in the specified path.
 *
 * @param path  The pathname/*from   www .j a v  a 2  s .  c  o  m*/
 */
public static void deleteFiles(String path) {
    Path directory = Paths.get(path);

    try {
        Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                Files.delete(file);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                Files.delete(dir);
                return FileVisitResult.CONTINUE;
            }

        });
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.kakao.hbase.manager.command.ExportKeysTest.java

@Test
public void testRun() throws Exception {
    String outputFile = "exportkeys_test.keys";
    try {// w w  w .j a v a2 s .  co  m
        byte[] splitPoint = "splitpoint".getBytes();

        splitTable(splitPoint);

        String[] argsParam = { "zookeeper", tableName, outputFile };
        Args args = new ManagerArgs(argsParam);
        assertEquals("zookeeper", args.getZookeeperQuorum());
        ExportKeys command = new ExportKeys(admin, args);
        waitForSplitting(2);
        command.run();

        int i = 0;
        List<Triple<String, String, String>> results = new ArrayList<>();
        for (String keys : Files.readAllLines(Paths.get(outputFile), Constant.CHARSET)) {
            i++;

            String[] split = keys.split(ExportKeys.DELIMITER);
            results.add(new ImmutableTriple<>(split[0], split[1], split[2]));
        }
        assertEquals(2, i);

        assertEquals(tableName, results.get(0).getLeft().trim());
        assertArrayEquals("".getBytes(), Bytes.toBytesBinary(results.get(0).getMiddle().trim()));
        assertArrayEquals(splitPoint, Bytes.toBytesBinary(results.get(0).getRight().trim()));
        assertEquals(tableName, results.get(1).getLeft().trim());
        assertArrayEquals(splitPoint, Bytes.toBytesBinary(results.get(1).getMiddle().trim()));
        assertArrayEquals("".getBytes(), Bytes.toBytesBinary(results.get(1).getRight().trim()));

        // split once more
        byte[] splitPoint2 = Bytes.toBytes(100L);

        splitTable(splitPoint2);

        command.run();

        i = 0;
        results.clear();
        for (String keys : Files.readAllLines(Paths.get(outputFile), Constant.CHARSET)) {
            i++;

            String[] split = keys.split(ExportKeys.DELIMITER);
            results.add(new ImmutableTriple<>(split[0], split[1], split[2]));
        }
        assertEquals(3, i);

        assertEquals(tableName, results.get(0).getLeft().trim());
        assertArrayEquals("".getBytes(), Bytes.toBytesBinary(results.get(0).getMiddle().trim()));
        assertArrayEquals(splitPoint2, Bytes.toBytesBinary(results.get(0).getRight().trim()));
        assertEquals(tableName, results.get(1).getLeft().trim());
        assertArrayEquals(splitPoint2, Bytes.toBytesBinary(results.get(1).getMiddle().trim()));
        assertArrayEquals(splitPoint, Bytes.toBytesBinary(results.get(1).getRight().trim()));
        assertEquals(tableName, results.get(2).getLeft().trim());
        assertArrayEquals(splitPoint, Bytes.toBytesBinary(results.get(2).getMiddle().trim()));
        assertArrayEquals("".getBytes(), Bytes.toBytesBinary(results.get(2).getRight().trim()));
    } finally {
        Files.delete(Paths.get(outputFile));
    }
}

From source file:org.jhub1.agent.file.FileProcessorImpl.java

private boolean deleteFile(File file) {
    log.info("Delete file: " + filePath(file));
    Path filePath = Paths.get(filePath(file));
    try {// w w w .  j a  v a  2s .  co m
        Files.delete(filePath);
    } catch (NoSuchFileException x) {
        return false;
    } catch (DirectoryNotEmptyException x) {
        return false;
    } catch (IOException x) {
        return false;
    }
    return true;
}

From source file:org.jboss.as.test.integration.logging.handlers.SocketHandlerTestCase.java

@AfterClass
public static void tearDown() throws Exception {
    undeploy(DEPLOYMENT_NAME);//  w  w w  . java  2 s.co  m
    // Clear the temporary directory and delete it
    Files.walkFileTree(TEMP_DIR, new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException {
            Files.delete(file);
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult postVisitDirectory(final Path dir, final IOException exc) throws IOException {
            Files.delete(dir);
            return FileVisitResult.CONTINUE;
        }
    });
    Files.deleteIfExists(TEMP_DIR);
}

From source file:org.ow2.proactive_grid_cloud_portal.dataspace.util.VFSZipperZIPTest.java

@Test
public void testZipUnzipZipUnzip() throws IOException, InterruptedException {
    Path pathToZip = temporaryPath;
    Path resultPath = outputPath;

    createFileHierarchy(temporaryPath);//from www.j  av  a 2 s  .  c om

    for (int i = 0; i < 2; i++) {
        testZip(pathToZip);
        assertZipWithFileHierarchy(archivePath);

        testUnzip(resultPath);
        assertUnzippedFileHierarchy(resultPath);

        pathToZip = resultPath;
        resultPath = temporaryPath.resolve("output" + (i + 1));

        Files.delete(archivePath);
    }
}