Example usage for java.nio.file Files createTempFile

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

  1. HOME
  2. Java
  3. java
  4. java.nio.file.*
  5. Files
  6. 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.forgerock.openidm.maintenance.upgrade.StaticFileUpdateTest.java

@BeforeMethod
public void createTempFile() throws IOException {
    tempFile = Files.createTempFile(tempPath, null, null);
}

From source file:org.pentaho.di.job.entries.copyfiles.JobEntryCopyFilesIT.java

@Test
public void copyFileWithoutOverwrite() throws Exception {
    entry.setoverwrite_files(false);//from www  .  j  a va  2 s.  com

    Path pathToFile = Files.createTempFile(source, "file", "");

    FileUtils.copyDirectory(source.toFile(), destination.toFile());
    String path = destination.resolve(pathToFile.getFileName()).toString();
    File file = new File(path);

    long createTime = file.lastModified();
    Result result = entry.execute(new Result(), 0);
    long copyTime = file.lastModified();

    assertTrue(result.getResult());
    assertEquals(0, result.getNrErrors());
    assertTrue("File shouldn't be overwritten", createTime == copyTime);
}

From source file:org.schedulesdirect.api.exception.JsonEncodingException.java

/**
 * Generate the capture file for this exception, if requested
 */// w  w w .j a  v a 2  s . c o  m
protected void capture() {
    Config conf = Config.get();
    if (conf.captureJsonEncodingErrors()) {
        String msg = generateMsg();
        try {
            Path p = Paths.get(conf.captureRoot().getAbsolutePath(), "encode");
            if (!targetCleaned && Files.exists(p))
                try {
                    FileUtils.deleteDirectory(p.toFile());
                } catch (IOException e) {
                    LOG.warn(String.format("Unable to clean target dir! [%s]", p));
                }
            targetCleaned = true;
            Files.createDirectories(p);
            Path f = Files.createTempFile(p, prefix(), ".err");
            Files.write(f, msg.getBytes("UTF-8"));
        } catch (IOException e) {
            LOG.error("Unable to write capture file, logging it instead!", e);
            LOG.error(String.format("Invalid JSON received!%n%s", msg), this);
        }
    }
}

From source file:ubicrypt.core.UtilsTest.java

@Test
public void readIs() throws Exception {
    final SecureRandom rnd = new SecureRandom();
    rnd.setSeed(System.currentTimeMillis());
    final byte[] key = new byte[3 * (1 << 16)];
    rnd.nextBytes(key);/* ww  w .j ava  2  s .  c o  m*/

    final Path path = Files.createTempFile(TestUtils.tmp, "a", "b");
    Utils.write(path, new ByteArrayInputStream(key)).toBlocking().last();

    final byte[] bytes = IOUtils.toByteArray(Utils.readIs(path));
    final byte[] bytes2 = IOUtils.toByteArray(Files.newInputStream(path));
    assertThat(bytes.length).isEqualTo(bytes2.length);
    for (int i = 0; i < bytes.length; i++) {
        assertThat(bytes[i]).isEqualTo(bytes2[i]);
    }
}

From source file:org.schedulesdirect.api.exception.InvalidJsonObjectException.java

/**
 * Generate the capture file for this exception, if requested
 *///from   www .j a  v  a 2s  . c om
protected void capture() {
    Config conf = Config.get();
    if (conf.captureJsonParseErrors()) {
        String msg = generateMsg();
        try {
            Path p = Paths.get(conf.captureRoot().getAbsolutePath(), "json");
            if (!targetCleaned && Files.exists(p))
                try {
                    FileUtils.deleteDirectory(p.toFile());
                } catch (IOException e) {
                    LOG.warn(String.format("Unable to clean target dir! [%s]", p));
                }
            targetCleaned = true;
            Files.createDirectories(p);
            Path f = Files.createTempFile(p, prefix(), ".err");
            Files.write(f, msg.getBytes("UTF-8"));
        } catch (IOException e) {
            LOG.error("Unable to write capture file, logging it instead!", e);
            LOG.error(String.format("Invalid JSON received!%n%s", msg), this);
        }
    }
}

From source file:com.dowdandassociates.gentoo.bootstrap.DefaultKeyPairInformation.java

@PostConstruct
private void setup() {
    boolean nameSet = (null != name);
    boolean filenameSet = (null != filename);
    boolean keyExists = false;
    if (nameSet) {
        log.info("Checking if key pair \"" + name + "\" exists");
        keyExists = !(ec2Client/*from w  w w . ja  v  a2s  .com*/
                .describeKeyPairs(new DescribeKeyPairsRequest()
                        .withFilters(new Filter().withName("key-name").withValues(name)))
                .getKeyPairs().isEmpty());
    }

    if (keyExists && !filenameSet) {
        log.warn("Key pair \"" + name + "\" exists, but private key location is not specified");
        keyExists = false;
    }

    if (!keyExists) {
        if (!nameSet) {
            name = "gentoo-bootstrap-"
                    + DateFormatUtils.formatUTC(System.currentTimeMillis(), "yyyyMMdd'T'HHmmssSSS'Z'");
        }

        if (!filenameSet) {
            try {
                filename = Files
                        .createTempFile(name, ".pem",
                                PosixFilePermissions
                                        .asFileAttribute(PosixFilePermissions.fromString("rw-------")))
                        .toString();
            } catch (IOException ioe) {
                log.warn("Cannot create temp file", ioe);
                filename = name + ".pem";
            }
        }

        log.info("Creating key pair \"" + name + "\"");

        CreateKeyPairResult createResult = ec2Client
                .createKeyPair(new CreateKeyPairRequest().withKeyName(name));

        try {
            log.info("Saving pem file to \"" + filename + "\"");

            BufferedWriter outfile = new BufferedWriter(new FileWriter(filename));

            try {
                outfile.write(createResult.getKeyPair().getKeyMaterial());
            } catch (IOException ioe) {
                String message = "Error writing to file \"" + filename + "\"";
                log.error(message, ioe);
                throw new RuntimeException(message, ioe);
            } finally {
                outfile.close();
            }
        } catch (IOException ioe) {
            String message = "Error opening file \"" + filename + "\"";
            log.error(message, ioe);
            throw new RuntimeException(message, ioe);
        }

        builtKeyPair = true;

        log.info("Key pair \"" + name + "\" built");
    } else {
        builtKeyPair = false;
        log.info("Key pair \"" + name + "\" exists");
    }

    if (filename.startsWith("~" + File.separator)) {
        filename = System.getProperty("user.home") + filename.substring(1);
    }
}

From source file:org.apache.taverna.download.impl.DownloadManagerImpl.java

@Override
public void download(URI source, Path destination, String digestAlgorithm, URI digestSource)
        throws DownloadException {

    MessageDigest md = null;/*from w  w w . j a  va2  s  . co m*/
    if (digestAlgorithm != null) {
        try {
            md = MessageDigest.getInstance(digestAlgorithm);
        } catch (NoSuchAlgorithmException e) {
            throw new IllegalArgumentException("Unsupported digestAlgorithm: " + digestAlgorithm, e);
        }
    }

    // download the file
    Path tempFile;
    try {
        tempFile = Files.createTempFile(destination.getParent(), "." + destination.getFileName(), ".tmp");
    } catch (IOException e1) {
        // perhaps a permission problem?
        throw new DownloadException("Can't create temporary file in folder " + destination.getParent(), e1);
    }
    logger.info(String.format("Downloading %1$s to %2$s", source, tempFile));
    downloadToFile(source, tempFile);

    if (digestSource != null) {
        // download the digest file
        String expectedDigest;
        expectedDigest = downloadHash(digestSource).trim().toLowerCase(Locale.ROOT);
        // check if the digest matches
        try {
            try (InputStream s = Files.newInputStream(tempFile)) {
                DigestUtils.updateDigest(md, s);
                String actualDigest = Hex.encodeHexString(md.digest());
                if (!actualDigest.equals(expectedDigest)) {
                    throw new DownloadException(
                            String.format("Error downloading file: checksum mismatch (%1$s != %2$s)",
                                    actualDigest, expectedDigest));
                }
            }
        } catch (IOException e) {
            throw new DownloadException(String.format("Error checking digest for %1$s", destination), e);
        }
    }
    // All fine, move to destination
    try {
        logger.info(String.format("Copying %1$s to %2$s", tempFile, destination));
        Files.move(tempFile, destination, StandardCopyOption.ATOMIC_MOVE, StandardCopyOption.REPLACE_EXISTING);
    } catch (IOException e) {
        throw new DownloadException(String.format("Error downloading %1$s to %2$s.", source, destination), e);
    }

}

From source file:com.spectralogic.ds3client.helpers.FileObjectPutter_Test.java

@Test
public void testRelativeSymlink() throws IOException, URISyntaxException {
    assumeFalse(Platform.isWindows());/*from  www . ja  v a2  s .c om*/
    final Path tempDir = Files.createTempDirectory("ds3_file_object_rel_test_");
    final Path tempPath = Files.createTempFile(tempDir, "temp_", ".txt");

    try {
        try (final SeekableByteChannel channel = Files.newByteChannel(tempPath, StandardOpenOption.CREATE,
                StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE)) {
            channel.write(ByteBuffer.wrap(testData));
        }

        final Path symLinkPath = tempDir.resolve("sym_" + tempPath.getFileName().toString());
        final Path relPath = Paths.get("..", getParentDir(tempPath), tempPath.getFileName().toString());

        LOG.info("Creating symlink from " + symLinkPath.toString() + " to " + relPath.toString());

        Files.createSymbolicLink(symLinkPath, relPath);
        getFileWithPutter(tempDir, symLinkPath);

    } finally {
        Files.deleteIfExists(tempPath);
        Files.deleteIfExists(tempDir);
    }
}

From source file:eu.itesla_project.online.tools.CreateMclaMat.java

private void createMat(Network network, Path outputFolder) throws IOException {
    System.out.println("creating mat file for network" + network.getId());
    ArrayList<String> generatorsIds = NetworkUtils.getGeneratorsIds(network);
    ArrayList<String> loadsIds = NetworkUtils.getLoadsIds(network);
    SamplingNetworkData samplingNetworkData = new SamplingDataCreator(network, generatorsIds, loadsIds)
            .createSamplingNetworkData();
    Path networkDataMatFile = Files.createTempFile(outputFolder, "mcsamplerinput_" + network.getId() + "_",
            ".mat");
    System.out/*from   ww w  .j  av  a 2s  .  c  o  m*/
            .println("saving data of network " + network.getId() + " in file " + networkDataMatFile.toString());
    new MCSMatFileWriter(networkDataMatFile).writeSamplingNetworkData(samplingNetworkData);
}

From source file:org.pentaho.di.job.entries.copyfiles.JobEntryCopyFilesIT.java

@Test
public void copyFileFromSubDirectoryWithoutOverwrite() throws Exception {
    entry.setIncludeSubfolders(true);//from  www  .  ja va2  s .  co  m
    entry.setoverwrite_files(false);

    Path pathToSub = Files.createTempDirectory(source, "sub");
    Path pathToFile = Files.createTempFile(pathToSub, "file", "");

    FileUtils.copyDirectory(source.toFile(), destination.toFile());
    String path = destination.resolve(pathToSub.getFileName()).resolve(pathToFile.getFileName()).toString();
    File file = new File(path);

    long createTime = file.lastModified();
    Result result = entry.execute(new Result(), 0);
    long copyTime = file.lastModified();

    assertTrue(result.getResult());
    assertEquals(0, result.getNrErrors());
    assertTrue("File shouldn't be overwritten", createTime == copyTime);
}