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:com.clust4j.algo.DBSCANTests.java

License:asdf

@Test
@Override/*from   w w  w.j av  a2  s. co  m*/
public void testSerialization() throws IOException, ClassNotFoundException {
    DBSCAN db = new DBSCAN(data, new DBSCANParameters(0.75).setMinPts(1).setVerbose(true)).fit();
    System.out.println();

    int a = db.getNumberOfNoisePoints();
    db.saveObject(new FileOutputStream(TestSuite.tmpSerPath));
    assertTrue(TestSuite.file.exists());

    DBSCAN db2 = (DBSCAN) DBSCAN.loadObject(new FileInputStream(TestSuite.tmpSerPath));
    assertTrue(a == db2.getNumberOfNoisePoints());
    assertTrue(db.equals(db2));
    Files.delete(TestSuite.path);
}

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From source file:org.wso2.carbon.apimgt.hybrid.gateway.usage.publisher.util.UsageFileWriter.java

/**
 * Rotates the given file. This will compress the file into ZIP format and add a timestamp to file name
 *
 * @param fileToRotate ({@link String}) path value of the file to be rotated
 * @throws UsagePublisherException if there is an exception while compressing or creating the output streams to
 * the new file/* ww  w .j a va 2 s  .  co  m*/
 */
public synchronized void rotateFile(String fileToRotate) throws UsagePublisherException {
    try {
        closeFileResources();
        Path currentPath = Paths.get(fileToRotate);
        //api-usage-data.dat.1511772769858.046b6c7f-0b8a-43b9-b35d-6489e6daee91.zip
        Path rotatedPath = Paths.get(fileToRotate + "." + System.currentTimeMillis() + "."
                + UUID.randomUUID().toString() + MicroGatewayAPIUsageConstants.ZIP_EXTENSION);
        ZIPUtils.compressFile(currentPath.toString(), rotatedPath.toString());
        Files.delete(currentPath);

        //ReCreate the streams
        fileOutputStream = new FileOutputStream(filePath.toFile(), true);
        outputStreamWriter = new OutputStreamWriter(fileOutputStream, StandardCharsets.UTF_8);
        bufferedWriter = new BufferedWriter(outputStreamWriter);
    } catch (ZIPException | IOException e) {
        throw new UsagePublisherException("Error occurred while rotating the file : " + fileToRotate, e);
    }
}

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From source file:org.fim.FullScenarioTest.java

private void doSomeModifications() throws IOException {
    Files.createDirectories(dir01);

    Files.move(rootDir.resolve("file01"), dir01.resolve("file01"));

    tool.touchLastModified("file02");

    Files.copy(rootDir.resolve("file03"), rootDir.resolve("file03.dup1"));
    Files.copy(rootDir.resolve("file03"), rootDir.resolve("file03.dup2"));

    tool.setFileContent("file04", "foo");

    Files.copy(rootDir.resolve("file05"), rootDir.resolve("file11"));
    tool.setFileContent("file05", "bar");

    Files.delete(rootDir.resolve("file06"));

    Files.copy(rootDir.resolve("file07"), rootDir.resolve("file07.dup1"));

    tool.setFileContent("file12", "New file 12");
}

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From source file:io.divolte.server.filesinks.hdfs.FileFlusherLocalHdfsTest.java

private void deleteQuietly(final Path p) {
    try {/*  w w w  .ja  v  a  2s  .co  m*/
        Files.delete(p);
    } catch (final Exception e) {
        logger.debug("Ignoring failure while deleting file: " + p, e);
    }
}

---

From source file:de.appsolve.padelcampus.utils.HtmlResourceUtil.java

private String concatenateCss(ServletContext context, Path path, Path outFile)
        throws FileNotFoundException, IOException {
    DirectoryStream<Path> cssFiles = Files.newDirectoryStream(path, "*.css");
    if (Files.exists(outFile)) {
        Files.delete(outFile);
    }//from   w  w  w . ja v  a 2  s.  c  om
    List<Path> sortedFiles = new ArrayList<>();
    for (Path cssFile : cssFiles) {
        sortedFiles.add(cssFile);
    }

    Collections.sort(sortedFiles, new PathByFileNameComparator());

    for (Path cssFile : sortedFiles) {
        Files.write(outFile, Files.readAllBytes(cssFile), StandardOpenOption.CREATE, StandardOpenOption.APPEND);
    }

    byte[] cssData;
    if (Files.exists(outFile)) {
        cssData = Files.readAllBytes(outFile);
    } else {
        //read from classpath
        InputStream is = context.getResourceAsStream(ALL_MIN_CSS);
        cssData = IOUtils.toByteArray(is);
    }
    String css = new String(cssData, Constants.UTF8);
    return css;
}

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From source file:ru.codemine.ccms.counters.kondor.KondorClient.java

@Override
public List<Counter> getCounters(Shop shop) {
    File dbfFile = ftpDownload(shop);
    if (!dbfFile.exists()) {
        log.warn(".dbf    : " + shop.getName());
        return null;
    }//from w  ww. ja  va 2s  .c  om

    List<Counter> result = DbfProcessor.loadData(dbfFile, new DbfRowMapper<Counter>() {

        @Override
        public Counter mapRow(Object[] row) {
            Counter c = new Counter();

            String dateStr = new String(DbfUtils.trimLeftSpaces((byte[]) row[0]));
            DateTimeFormatter formatter = DateTimeFormat.forPattern("dd.MM.YY");
            DateTime dt = formatter.parseDateTime(dateStr);
            c.setDate(dt);

            Number inNumber = (Number) row[1];
            c.setIn(inNumber.intValue());

            Number outNumber = (Number) row[2];
            c.setOut(outNumber.intValue());

            return c;
        }
    });

    for (Counter counter : result)
        counter.setShop(shop);

    try {
        Files.delete(dbfFile.toPath());
    } catch (IOException e) {
        log.error("?   .dbf : " + dbfFile.getPath());
    }

    return result;
}

---

From source file:com.laishidua.mobilecloud.ghostmyselfie.controller.GhostMySelfieController.java

/**
 * Provides the average ghostmyselfie rating for a ghostmyselfie
 * /*w w  w .  j  a  v  a 2 s .c  o  m*/
 * @param id      : id of the ghostmyselfie to retrieve
 * @param response   : http response, exposed to allow manipulation like setting
 *                   error codes
 * @return         : an AverageGhostMySelfieRating object
 * @throws IOException
 */
@RequestMapping(value = GhostMySelfieSvcApi.GHOSTMYSELFIE_SVC_PATH + "/delete/{id}", method = RequestMethod.GET)
public @ResponseBody Integer deleteGhostMySelfieById(@PathVariable(GhostMySelfieSvcApi.ID_PARAMETER) long id,
        Principal p, HttpServletResponse response) throws IOException {
    GhostMySelfie gms1 = ghostMySelphie.findOne(id);
    // let's see if the ghostmyselfie exists already, according to its hashcode
    GhostMySelfie gms2 = ghostMySelphie.findExactGhostMySelfieById(id, p.getName());
    if (gms1 != null && gms2 != null) {
        try {
            Path selfie = ghostMySelfieDataMgr.getGhostMySelfiePath(gms1);
            Files.delete(selfie);
        } catch (Exception e) {
            e.printStackTrace();
        }
        ghostMySelphie.delete(gms1);
        return 1;
    } else if (gms1 != null && gms2 == null) {
        response.sendError(401, "Sorry, your cannot delete this Selfie because you are not the owner.");
        return 0;
    } else {
        response.sendError(404, "Sorry, your ghostmyselfie is in another castle.");
        return 0;
    }
}

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From source file:org.cirdles.webServices.calamari.PrawnFileHandlerService.java

public Path generateReportsZip(String myFileName, InputStream prawnFile, boolean useSBM, boolean userLinFits,
        String firstLetterRM) throws IOException, JAXBException, SAXException {

    String fileName = myFileName;
    if (myFileName == null) {
        fileName = DEFAULT_PRAWNFILE_NAME;
    }/* w w  w  . ja v  a2s  .co m*/

    Path uploadDirectory = Files.createTempDirectory("upload");
    Path prawnFilePathZip = uploadDirectory.resolve("prawn-file.zip");

    Files.copy(prawnFile, prawnFilePathZip);

    //file path string to extracted xml
    String extract = extract(prawnFilePathZip.toFile(), uploadDirectory.toFile());

    Path calamarirReportsFolderAlias = Files.createTempDirectory("reports-destination");
    File reportsDestinationFile = calamarirReportsFolderAlias.toFile();

    reportsEngine.setFolderToWriteCalamariReports(reportsDestinationFile);
    fileName = FilenameUtils.removeExtension(fileName);

    // this gives reportengine the name of the Prawnfile for use in report names
    prawnFileHandler.initReportsEngineWithCurrentPrawnFileName(fileName);
    prawnFileHandler.writeReportsFromPrawnFile(extract, useSBM, userLinFits, firstLetterRM);

    Files.delete(prawnFilePathZip);

    Path reportsFolder = Paths.get(reportsEngine.getFolderToWriteCalamariReportsPath()).getParent()
            .toAbsolutePath();

    Path reports = Files.list(reportsFolder).findFirst().orElseThrow(() -> new IllegalStateException());

    Path reportsZip = zip(reports);
    recursiveDelete(reports);

    return reportsZip;
}

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From source file:org.apache.tika.eval.TikaEvalCLI.java

private void handleProfile(String[] subsetArgs) throws Exception {
    List<String> argList = new ArrayList(Arrays.asList(subsetArgs));

    boolean containsBC = false;
    String inputDir = null;//from ww w  . jav a2s.c o m
    String extracts = null;
    String alterExtract = null;
    //confirm there's a batch-config file
    for (int i = 0; i < argList.size(); i++) {
        String arg = argList.get(i);
        if (arg.equals("-bc")) {
            containsBC = true;
        } else if (arg.equals("-inputDir")) {
            if (i + 1 >= argList.size()) {
                System.err.println("Must specify directory after -inputDir");
                ExtractProfiler.USAGE();
                return;
            }
            inputDir = argList.get(i + 1);
            i++;
        } else if (arg.equals("-extracts")) {
            if (i + 1 >= argList.size()) {
                System.err.println("Must specify directory after -extracts");
                ExtractProfiler.USAGE();
                return;
            }
            extracts = argList.get(i + 1);
            i++;
        } else if (arg.equals("-alterExtract")) {
            if (i + 1 >= argList.size()) {
                System.err.println("Must specify type 'as_is', 'first_only' or "
                        + "'concatenate_content' after -alterExtract");
                ExtractComparer.USAGE();
                return;
            }
            alterExtract = argList.get(i + 1);
            i++;
        }
    }

    if (alterExtract != null && !alterExtract.equals("as_is") && !alterExtract.equals("concatenate_content")
            && !alterExtract.equals("first_only")) {
        System.out.println("Sorry, I don't understand:" + alterExtract
                + ". The values must be one of: as_is, first_only, concatenate_content");
        ExtractProfiler.USAGE();
        return;
    }

    //need to specify each in this commandline
    //if only extracts is passed to tika-batch,
    //the crawler will see no inputDir and start crawling "input".
    //this allows the user to specify either extracts or inputDir
    if (extracts == null && inputDir != null) {
        argList.add("-extracts");
        argList.add(inputDir);
    } else if (inputDir == null && extracts != null) {
        argList.add("-inputDir");
        argList.add(extracts);
    }

    Path tmpBCConfig = null;
    try {
        tmpBCConfig = Files.createTempFile("tika-eval-profiler", ".xml");
        if (!containsBC) {
            Files.copy(this.getClass().getResourceAsStream("/tika-eval-profiler-config.xml"), tmpBCConfig,
                    StandardCopyOption.REPLACE_EXISTING);
            argList.add("-bc");
            argList.add(tmpBCConfig.toAbsolutePath().toString());
        }

        String[] updatedArgs = argList.toArray(new String[argList.size()]);
        DefaultParser defaultCLIParser = new DefaultParser();
        try {
            CommandLine commandLine = defaultCLIParser.parse(ExtractProfiler.OPTIONS, updatedArgs);
            if (commandLine.hasOption("db") && commandLine.hasOption("jdbc")) {
                System.out.println("Please specify either the default -db or the full -jdbc, not both");
                ExtractProfiler.USAGE();
                return;
            }
        } catch (ParseException e) {
            System.out.println(e.getMessage() + "\n");
            ExtractProfiler.USAGE();
            return;
        }

        FSBatchProcessCLI.main(updatedArgs);
    } finally {
        if (tmpBCConfig != null && Files.isRegularFile(tmpBCConfig)) {
            Files.delete(tmpBCConfig);
        }
    }
}

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From source file:it.reexon.lib.files.FileUtils.java

/**
 * Deletes a file. /*w  w w. jav  a2  s  . com*/
 * 
 * @param file the path to the file 
 * @return boolean 
 * @throws IOException if an I/O error occurs
 * @throws IllegalArgumentException if file is null
 */
public static boolean deleteFile(Path file) throws IOException {
    if ((file == null))
        throw new IllegalArgumentException("file cannot be null");
    try {
        if (file.toFile().canWrite()) {
            Files.delete(file);
        }
        return !Files.exists(file, LinkOption.NOFOLLOW_LINKS);
    } catch (IOException e) {
        e.printStackTrace();
        throw new IOException("An IO exception occured while deleting file '" + file + "' with error:"
                + e.getLocalizedMessage());
    }
}

---

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