Example usage for java.nio.file Files createTempFile

Introduction

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

Prototype

public static Path createTempFile(String prefix, String suffix, FileAttribute<?>... attrs) throws IOException 

Source Link

Document

Creates an empty file in the default temporary-file directory, using the given prefix and suffix to generate its name.

Usage

From source file:org.apache.beam.sdk.io.TextIOTest.java

License:asdf

private <T> void runTestRead(String[] expected) throws Exception {
    File tmpFile = Files.createTempFile(tempFolder, "file", "txt").toFile();
    String filename = tmpFile.getPath();

    try (PrintStream writer = new PrintStream(new FileOutputStream(tmpFile))) {
        for (String elem : expected) {
            byte[] encodedElem = CoderUtils.encodeToByteArray(StringUtf8Coder.of(), elem);
            String line = new String(encodedElem);
            writer.println(line);/* ww w  .  java  2 s . co m*/
        }
    }

    TextIO.Read read = TextIO.read().from(filename);

    PCollection<String> output = p.apply(read);

    PAssert.that(output).containsInAnyOrder(expected);
    p.run();
}

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From source file:business.services.FileService.java

public File clone(File file) {
    try {//from  www .j a  va  2  s  .  c  om
        FileSystem fileSystem = FileSystems.getDefault();
        // source
        Path source = fileSystem.getPath(uploadPath, file.getFilename());
        // target
        Path path = fileSystem.getPath(uploadPath).normalize();
        String prefix = getBasename(file.getFilename());
        String suffix = getExtension(file.getFilename());
        Path target = Files.createTempFile(path, prefix, suffix).normalize();
        // copy
        log.info("Copying " + source + " to " + target + " ...");
        Files.copy(source, target, StandardCopyOption.REPLACE_EXISTING);
        // save clone
        File result = file.clone();
        result.setFilename(target.getFileName().toString());
        return save(result);
    } catch (IOException e) {
        log.error(e);
        throw new FileCopyError();
    }
}

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From source file:io.fabric8.docker.client.impl.BuildImage.java

@Override
public OutputHandle fromFolder(String path) {
    try {//from  www  .j a va2  s.  c o m
        final Path root = Paths.get(path);
        final Path dockerIgnore = root.resolve(DOCKER_IGNORE);
        final List<String> ignorePatterns = new ArrayList<>();
        if (dockerIgnore.toFile().exists()) {
            for (String p : Files.readAllLines(dockerIgnore, UTF_8)) {
                ignorePatterns.add(path.endsWith(File.separator) ? path + p : path + File.separator + p);
            }
        }

        final DockerIgnorePathMatcher dockerIgnorePathMatcher = new DockerIgnorePathMatcher(ignorePatterns);

        File tempFile = Files.createTempFile(Paths.get(DEFAULT_TEMP_DIR), DOCKER_PREFIX, BZIP2_SUFFIX).toFile();

        try (FileOutputStream fout = new FileOutputStream(tempFile);
                BufferedOutputStream bout = new BufferedOutputStream(fout);
                BZip2CompressorOutputStream bzout = new BZip2CompressorOutputStream(bout);
                final TarArchiveOutputStream tout = new TarArchiveOutputStream(bzout)) {
            Files.walkFileTree(root, new SimpleFileVisitor<Path>() {

                @Override
                public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
                        throws IOException {
                    if (dockerIgnorePathMatcher.matches(dir)) {
                        return FileVisitResult.SKIP_SUBTREE;
                    }
                    return FileVisitResult.CONTINUE;
                }

                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    if (dockerIgnorePathMatcher.matches(file)) {
                        return FileVisitResult.SKIP_SUBTREE;
                    }

                    final Path relativePath = root.relativize(file);
                    final TarArchiveEntry entry = new TarArchiveEntry(file.toFile());
                    entry.setName(relativePath.toString());
                    entry.setMode(TarArchiveEntry.DEFAULT_FILE_MODE);
                    entry.setSize(attrs.size());
                    tout.putArchiveEntry(entry);
                    Files.copy(file, tout);
                    tout.closeArchiveEntry();
                    return FileVisitResult.CONTINUE;
                }
            });
            fout.flush();
        }
        return fromTar(tempFile.getAbsolutePath());

    } catch (IOException e) {
        throw DockerClientException.launderThrowable(e);
    }
}

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From source file:searcher.FileScanRunnable.java

private void initStream() {
    if (outputSeparateFile != null) {
        try {/*from   www  .ja  v a  2s.c o m*/
            Files.createDirectories(outputSeparateFile.getDirectoryPathResult());
            Path file = Files.createTempFile(outputSeparateFile.getDirectoryPathResult(),
                    outputSeparateFile.getPrefix() + "_",
                    "_" + fileRootSearch.getPath().getFileName().toString() + ".txt");
            out = new PrintWriter(new BufferedWriter(new FileWriter(file.toFile(), false)));
            separateFile = true;
            LOGGER.info("il risultato della ricerca nel file = "
                    + fileRootSearch.getPath().toAbsolutePath().toString() + " verra' scritto nel file = "
                    + file.toAbsolutePath().toString());
        } catch (Exception ex) {
            LOGGER.error(ex.getMessage(), ex);
        }
    }
    if (out == null) {
        out = new PrintWriter(new BufferedOutputStream(System.out));
    }
}

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From source file:com.google.cloud.dataflow.sdk.io.TextIOTest.java

License:asdf

private <T> void runTestRead(T[] expected, Coder<T> coder) throws Exception {
    File tmpFile = Files.createTempFile(tempFolder, "file", "txt").toFile();
    String filename = tmpFile.getPath();

    try (PrintStream writer = new PrintStream(new FileOutputStream(tmpFile))) {
        for (T elem : expected) {
            byte[] encodedElem = CoderUtils.encodeToByteArray(coder, elem);
            String line = new String(encodedElem);
            writer.println(line);/*  w ww. j a  v  a  2s  . c om*/
        }
    }

    Pipeline p = TestPipeline.create();

    TextIO.Read.Bound<T> read;
    if (coder.equals(StringUtf8Coder.of())) {
        TextIO.Read.Bound<String> readStrings = TextIO.Read.from(filename);
        // T==String
        read = (TextIO.Read.Bound<T>) readStrings;
    } else {
        read = TextIO.Read.from(filename).withCoder(coder);
    }

    PCollection<T> output = p.apply(read);

    DataflowAssert.that(output).containsInAnyOrder(expected);
    p.run();
}

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From source file:org.syncany.plugins.local.LocalTransferManager.java

@Override
public boolean testTargetCanWrite() {
    try {//www. j  a  v  a  2s. co m
        if (Files.isDirectory(repoPath)) {
            Path tempFile = Files.createTempFile(repoPath, "syncany-write-test", "tmp");
            Files.delete(tempFile);

            logger.log(Level.INFO, "testTargetCanWrite: Can write, test file created/deleted successfully.");
            return true;
        } else {
            logger.log(Level.INFO, "testTargetCanWrite: Can NOT write, target does not exist.");
            return false;
        }
    } catch (Exception e) {
        logger.log(Level.INFO, "testTargetCanWrite: Can NOT write to target.", e);
        return false;
    }
}

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From source file:codes.thischwa.c5c.DispatcherPUT.java

private Path saveTemp(InputStream in, String name) throws IOException {
    String baseName = FilenameUtils.getBaseName(name);
    String ext = FilenameUtils.getExtension(name);
    try {/*from w  ww.j av  a2  s .  c  o  m*/
        Path tempPath = Files.createTempFile(UserObjectProxy.getTempDirectory(), baseName, "." + ext);
        Files.copy(in, tempPath, StandardCopyOption.REPLACE_EXISTING);
        return tempPath;
    } catch (IOException e) {
        throw e;
    } finally {
        IOUtils.closeQuietly(in);
    }

}

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From source file:com.facebook.presto.hive.TestPrestoS3FileSystem.java

@Test(expectedExceptions = IOException.class, expectedExceptionsMessageRegExp = "Configured staging path is not a directory: .*")
public void testCreateWithStagingDirectoryFile() throws Exception {
    java.nio.file.Path tmpdir = Paths.get(StandardSystemProperty.JAVA_IO_TMPDIR.value());
    java.nio.file.Path staging = Files.createTempFile(tmpdir, "staging", null);
    // staging = /tmp/stagingXXX.tmp

    try (PrestoS3FileSystem fs = new PrestoS3FileSystem()) {
        MockAmazonS3 s3 = new MockAmazonS3();
        Configuration conf = new Configuration();
        conf.set(PrestoS3FileSystem.S3_STAGING_DIRECTORY, staging.toString());
        fs.initialize(new URI("s3n://test-bucket/"), conf);
        fs.setS3Client(s3);//from w w  w.java  2  s.c om
        fs.create(new Path("s3n://test-bucket/test"));
    } finally {
        Files.deleteIfExists(staging);
    }
}

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From source file:org.apache.accumulo.miniclusterImpl.MiniAccumuloClusterImpl.java

public ProcessInfo _exec(Class<?> clazz, ServerType serverType, Map<String, String> configOverrides,
        String... args) throws IOException {
    List<String> jvmOpts = new ArrayList<>();
    jvmOpts.add("-Xmx" + config.getMemory(serverType));
    if (configOverrides != null && !configOverrides.isEmpty()) {
        File siteFile = Files.createTempFile(config.getConfDir().toPath(), "accumulo", ".properties").toFile();
        Map<String, String> confMap = new HashMap<>();
        confMap.putAll(config.getSiteConfig());
        confMap.putAll(configOverrides);
        writeConfigProperties(siteFile, confMap);
        jvmOpts.add("-Daccumulo.properties=" + siteFile.getName());
    }//from  w w w . j  a va  2s . com

    if (config.isJDWPEnabled()) {
        int port = PortUtils.getRandomFreePort();
        jvmOpts.addAll(buildRemoteDebugParams(port));
        debugPorts.add(new Pair<>(serverType, port));
    }
    return _exec(clazz, jvmOpts, args);
}

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From source file:io.fabric8.docker.client.impl.BuildImage.java

@Override
public OutputHandle fromTar(InputStream is) {
    try {/* www .j  a v  a2  s.c o  m*/
        File tempFile = Files.createTempFile(Paths.get(DEFAULT_TEMP_DIR), DOCKER_PREFIX, BZIP2_SUFFIX).toFile();
        Files.copy(is, tempFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
        return fromTar(tempFile.getAbsolutePath());
    } catch (Exception e) {
        throw DockerClientException.launderThrowable(e);
    }
}

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