Example usage for java.nio.file Files deleteIfExists

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

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Introduction

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

Prototype

public static boolean deleteIfExists(Path path) throws IOException

Source Link

Document

Deletes a file if it exists.

Usage

From source file:kmi.taa.core.Crawler.java

public void run(String triplesFile, String dirOutput, String service, String proxy)
        throws ClientProtocolException, IOException, URISyntaxException {
    TreeMap<Integer, String> map = new TreeMap<>();
    map = readSourceTriples(triplesFile);
    log.info("Crawling subject links...");
    String file = dirOutput + "subjectlinks.txt";
    Files.deleteIfExists(Paths.get(dirOutput + "subjectlinks.txt"));
    crawlAll(map, service, proxy, file);
    log.info("Crawling subject links completed. ");

}

From source file:ingest.inspect.GeoTiffInspector.java

@Override
public DataResource inspect(DataResource dataResource, boolean host) throws DataInspectException,
        AmazonClientException, InvalidInputException, IOException, FactoryException {
    // Gather GeoTIFF relevant metadata
    String fileName = String.format("%s%s%s.%s", DATA_TEMP_PATH, File.separator, dataResource.getDataId(),
            "tif");

    logger.log(// ww w  .  ja v  a  2 s .c  o  m
            String.format("Begin GeoTools Parsing for %s at temporary file %s", dataResource.getDataId(),
                    fileName),
            Severity.INFORMATIONAL, new AuditElement(INGEST, "beginParsingGeoTiff", fileName));

    File geoTiffFile = new File(fileName);
    GridCoverage2DReader reader = getGridCoverage(dataResource, geoTiffFile);
    GridCoverage2D coverage = (GridCoverage2D) reader.read(null);
    CoordinateReferenceSystem coordinateReferenceSystem = coverage.getCoordinateReferenceSystem();
    double[] upperRightCorner = coverage.getEnvelope().getUpperCorner().getDirectPosition().getCoordinate();
    double[] lowerLeftCorner = coverage.getEnvelope().getLowerCorner().getDirectPosition().getCoordinate();

    // Set the Metadata
    SpatialMetadata spatialMetadata = new SpatialMetadata();
    spatialMetadata.setMinX(lowerLeftCorner[0]);
    spatialMetadata.setMinY(lowerLeftCorner[1]);
    spatialMetadata.setMaxX(upperRightCorner[0]);
    spatialMetadata.setMaxY(upperRightCorner[1]);

    // Get the SRS and EPSG codes
    spatialMetadata.setCoordinateReferenceSystem(coordinateReferenceSystem.toWKT());
    spatialMetadata.setEpsgCode(CRS.lookupEpsgCode(coordinateReferenceSystem, true));

    // Set the Spatial Metadata
    dataResource.spatialMetadata = spatialMetadata;

    // Populate the projected EPSG:4326 spatial metadata
    try {
        dataResource.spatialMetadata
                .setProjectedSpatialMetadata(ingestUtilities.getProjectedSpatialMetadata(spatialMetadata));
    } catch (Exception exception) {
        String error = String.format(
                "Could not project the spatial metadata for Data %s because of exception: %s",
                dataResource.getDataId(), exception.getMessage());
        LOG.error(error, exception);
        logger.log(error, Severity.WARNING);
    }

    // Delete the file; cleanup.
    try {
        // Required to release the lock on the File for deletion
        PlanarImage planarImage = (PlanarImage) coverage.getRenderedImage();
        ImageUtilities.disposePlanarImageChain(planarImage);
        // Dispose reader and coverage
        reader.dispose();
        coverage.dispose(true);
        // Finally, delete the file.
        Files.deleteIfExists(geoTiffFile.toPath());
    } catch (Exception exception) {
        String error = String.format("Error cleaning up GeoTiff file for %s Load: %s", dataResource.getDataId(),
                exception.getMessage());
        LOG.error(error, exception, new AuditElement(INGEST, "failedToDeleteTemporaryGeoTiff", fileName));
        logger.log(error, Severity.WARNING);
    }

    logger.log(
            String.format("Completed GeoTools Parsing for %s at temporary file %s", dataResource.getDataId(),
                    fileName),
            Severity.INFORMATIONAL, new AuditElement(INGEST, "completeParsingGeoTiff", fileName));

    // Return the metadata
    return dataResource;
}

From source file:Main.StaticTools.java

private static void removeFiles(File file) {
    File[] directories = file.listFiles((File dir, String name) -> dir.isDirectory());
    for (File dir1 : directories) {
        if (dir1.isDirectory()) {
            File[] content = dir1.listFiles(new FilenameFilter() {
                public boolean accept(File dir, String name) {
                    name = name.toLowerCase();
                    return name.endsWith("__highres.jpg");
                }// w  ww. ja  v  a  2 s . c om
            });
            if (content.length > 0) {
                for (int i = 0; i < content.length; i++) {
                    String absolutePath = content[i].getAbsolutePath();
                    try {
                        Files.deleteIfExists(
                                Paths.get(absolutePath.substring(0, absolutePath.length() - 13) + ".jpg"));
                    } catch (IOException e) {
                        errorOut(content[i].getName(), e);
                    }
                }
            }
        }
    }

}

From source file:com.arpnetworking.configuration.jackson.JsonNodeDirectorySourceTest.java

private static void deleteDirectory(final File directory) throws IOException {
    if (directory.exists() && directory.isDirectory()) {
        for (final File file : MoreObjects.firstNonNull(directory.listFiles(), new File[0])) {
            Files.deleteIfExists(file.toPath());
        }//from   w w  w.ja  va 2  s. c o  m
    }
    Files.deleteIfExists(directory.toPath());
}

From source file:org.ballerinalang.test.auth.AuthorizationTest.java

@AfterClass
public void tearDown() throws IOException {
    Files.deleteIfExists(ballerinaConfCopyPath);
}

From source file:org.corehunter.tests.data.simple.SimpleDistanceMatrixDataTest.java

@Test
public void toCsvFile() throws IOException {
    dataName = "out.csv";
    expectedHeaders = HEADERS_UNIQUE_NAMES;

    SimpleDistanceMatrixData distanceData = new SimpleDistanceMatrixData(expectedHeaders, DISTANCES);

    Path path = Paths.get(TEST_OUTPUT);

    Files.createDirectories(path);

    path = Files.createTempDirectory(path, "DistanceMatrix-Csv");

    path = Paths.get(path.toString(), dataName);

    Files.deleteIfExists(path);

    System.out.println(" |- Write distance File " + dataName);
    distanceData.writeData(path, FileType.CSV);

    testData(SimpleDistanceMatrixData.readData(path, FileType.CSV));
}

From source file:dialog.DialogFunctionUser.java

private void actionEditUserNoController() {
    if (!isValidData()) {
        return;/*www  .j ava 2  s  . co  m*/
    }
    tfUsername.setEditable(false);
    String username = tfUsername.getText();
    String fullname = tfFullname.getText();
    String password = mUser.getPassword();
    if (tfPassword.getPassword().length == 0) {
        password = new String(tfPassword.getPassword());
        password = LibraryString.md5(password);
    }
    int role = cbRole.getSelectedIndex();
    User objUser;
    if (mAvatar != null) {
        objUser = new User(mUser.getIdUser(), username, password, fullname, role,
                new Date(System.currentTimeMillis()), mAvatar.getPath());
        if ((new ModelUser()).editItem(objUser)) {
            String fileName = FilenameUtils.getBaseName(mAvatar.getName()) + "-" + System.nanoTime() + "."
                    + FilenameUtils.getExtension(mAvatar.getName());
            Path source = Paths.get(mAvatar.toURI());
            Path destination = Paths.get("files/" + fileName);
            Path pathOldAvatar = Paths.get(mUser.getAvatar());
            try {
                Files.copy(source, destination, StandardCopyOption.REPLACE_EXISTING);
                Files.deleteIfExists(pathOldAvatar);
            } catch (IOException ex) {
                Logger.getLogger(DialogFunctionRoom.class.getName()).log(Level.SEVERE, null, ex);
            }
            ImageIcon icon = new ImageIcon(getClass().getResource("/images/ic_success.png"));
            JOptionPane.showMessageDialog(this.getParent(), "Sa thnh cng", "Success",
                    JOptionPane.INFORMATION_MESSAGE, icon);
        } else {
            JOptionPane.showMessageDialog(this.getParent(), "Sa tht bi", "Fail",
                    JOptionPane.ERROR_MESSAGE);
        }
    } else {
        objUser = new User(mUser.getIdUser(), username, password, fullname, role,
                new Date(System.currentTimeMillis()), mUser.getAvatar());
        if (mControllerUser.editItem(objUser, mRow)) {
            ImageIcon icon = new ImageIcon(getClass().getResource("/images/ic_success.png"));
            JOptionPane.showMessageDialog(this.getParent(), "Sa thnh cng", "Success",
                    JOptionPane.INFORMATION_MESSAGE, icon);
        } else {
            JOptionPane.showMessageDialog(this.getParent(), "Sa tht bi", "Fail",
                    JOptionPane.ERROR_MESSAGE);
        }
    }
    mUser = objUser;
    this.dispose();
}

From source file:com.qwazr.extractor.parser.ImageParser.java

@Override
public void parseContent(final MultivaluedMap<String, String> parameters, final InputStream inputStream,
        final String extension, final String mimeType, final ParserResultBuilder resultBuilder)
        throws Exception {
    final Path tempFile = ParserAbstract.createTempFile(inputStream,
            extension == null ? "image" : "." + extension);
    try {//w  w w.ja  va2 s.  c  o m
        parseContent(parameters, tempFile, extension, mimeType, resultBuilder);
    } finally {
        Files.deleteIfExists(tempFile);
    }
}

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  ww .ja  v  a  2s.  co  m*/
    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:org.kitodo.filemanagement.FileManagement.java

@Override
public boolean delete(URI uri) throws IOException {
    if (Objects.isNull(uri) || uri.getPath().isEmpty()) {
        /*//from  w ww.j  a  v a2 s.  co  m
        This exception is thrown when the passed URI is empty or null.
        Using this URI would cause the deletion of the metadata directory.
        */
        throw new IOException("Attempt to delete subdirectory with URI that is empty or null!");
    }
    uri = fileMapper.mapUriToKitodoDataDirectoryUri(uri);
    File file = new File(uri);
    if (file.exists()) {
        if (file.isFile()) {
            return Files.deleteIfExists(file.toPath());
        }
        if (file.isDirectory()) {
            FileUtils.deleteDirectory(file);
            return true;
        }
        return false;
    }
    return true;
}