Example usage for java.nio.file Files delete

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

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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:org.wso2.carbon.apimgt.core.util.APIFileUtils.java

/**
 * Delete a given file/*  ww w  .  j ava2  s  .  c  o m*/
 *
 * @param path Path to the file to be deleted
 * @throws APIMgtDAOException if unable to delete the file
 */
public static void deleteFile(String path) throws APIMgtDAOException {
    try {
        Files.delete(Paths.get(path));
    } catch (IOException e) {
        String errorMsg = "Error while deleting file : " + path;
        log.error(errorMsg, e);
        throw new APIMgtDAOException(errorMsg, e);
    }
}

From source file:business.services.FileService.java

public File uploadPart(User user, String name, File.AttachmentType type, MultipartFile file, Integer chunk,
        Integer chunks, String flowIdentifier) {
    try {/*from   ww  w .  j  a v a  2  s  .  co m*/
        String identifier = user.getId().toString() + "_" + flowIdentifier;
        String contentType = MediaType.APPLICATION_OCTET_STREAM_VALUE;
        log.info("File content-type: " + file.getContentType());
        try {
            contentType = MediaType.valueOf(file.getContentType()).toString();
            log.info("Media type: " + contentType);
        } catch (InvalidMediaTypeException e) {
            log.warn("Invalid content type: " + e.getMediaType());
            //throw new FileUploadError("Invalid content type: " + e.getMediaType());
        }
        InputStream input = file.getInputStream();

        // Create temporary file for chunk
        Path path = fileSystem.getPath(uploadPath).normalize();
        if (!path.toFile().exists()) {
            Files.createDirectory(path);
        }
        name = URLEncoder.encode(name, "utf-8");

        String prefix = getBasename(name);
        String suffix = getExtension(name);
        Path f = Files.createTempFile(path, prefix, suffix + "." + chunk + ".chunk").normalize();
        // filter path names that point to places outside the upload path.
        // E.g., to prevent that in cases where clients use '../' in the filename
        // arbitrary locations are reachable.
        if (!Files.isSameFile(path, f.getParent())) {
            // Path f is not in the upload path. Maybe 'name' contains '..'?
            throw new FileUploadError("Invalid file name");
        }
        log.info("Copying file to " + f.toString());

        // Copy chunk to temporary file
        Files.copy(input, f, StandardCopyOption.REPLACE_EXISTING);

        // Save chunk location in chunk map
        SortedMap<Integer, Path> chunkMap;
        synchronized (uploadChunks) {
            // FIXME: perhaps use a better identifier? Not sure if this one 
            // is unique enough...
            chunkMap = uploadChunks.get(identifier);
            if (chunkMap == null) {
                chunkMap = new TreeMap<Integer, Path>();
                uploadChunks.put(identifier, chunkMap);
            }
        }
        chunkMap.put(chunk, f);
        log.info("Chunk " + chunk + " saved to " + f.toString());

        // Assemble complete file if all chunks have been received
        if (chunkMap.size() == chunks.intValue()) {
            uploadChunks.remove(identifier);
            Path assembly = Files.createTempFile(path, prefix, suffix).normalize();
            // filter path names that point to places outside the upload path.
            // E.g., to prevent that in cases where clients use '../' in the filename
            // arbitrary locations are reachable.
            if (!Files.isSameFile(path, assembly.getParent())) {
                // Path assembly is not in the upload path. Maybe 'name' contains '..'?
                throw new FileUploadError("Invalid file name");
            }
            log.info("Assembling file " + assembly.toString() + " from " + chunks + " chunks...");
            OutputStream out = Files.newOutputStream(assembly, StandardOpenOption.CREATE,
                    StandardOpenOption.APPEND);

            // Copy chunks to assembly file, delete chunk files
            for (int i = 1; i <= chunks; i++) {
                //log.info("Copying chunk " + i + "...");
                Path source = chunkMap.get(new Integer(i));
                if (source == null) {
                    log.error("Cannot find chunk " + i);
                    throw new FileUploadError("Cannot find chunk " + i);
                }
                Files.copy(source, out);
                Files.delete(source);
            }

            // Save assembled file name to database
            log.info("Saving attachment to database...");
            File attachment = new File();
            attachment.setName(URLDecoder.decode(name, "utf-8"));
            attachment.setType(type);
            attachment.setMimeType(contentType);
            attachment.setDate(new Date());
            attachment.setUploader(user);
            attachment.setFilename(assembly.getFileName().toString());
            attachment = fileRepository.save(attachment);
            return attachment;
        }
        return null;
    } catch (IOException e) {
        log.error(e);
        throw new FileUploadError(e.getMessage());
    }
}

From source file:org.jboss.as.test.manualmode.logging.SizeAppenderRestartTestCase.java

private void clearLogs(final Path path) throws IOException {
    final String expectedName = path.getFileName().toString();
    Files.walkFileTree(path.getParent(), new SimpleFileVisitor<Path>() {
        @Override//  w ww.j a v  a2  s . c o m
        public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException {
            final String currentName = file.getFileName().toString();
            if (currentName.startsWith(expectedName)) {
                Files.delete(file);
            }
            return super.visitFile(file, attrs);
        }
    });
}

From source file:ch.bender.evacuate.Runner.java

/**
 * run/*from w  ww  .j  a v a2 s  .c  o  m*/
 * <p>
 * @throws Exception 
 */
public void run() throws Exception {
    checkDirectories();
    initExcludeMatchers();

    myEvacuateCandidates = new TreeMap<>();
    myFailedChainPreparations = Collections.synchronizedMap(new HashMap<>());
    myFutures = new HashSet<>();
    myExclusionDirCount = 0;
    myEvacuationDirCount = 0;
    myExclusionFileCount = 0;
    myEvacuationFileCount = 0;

    Files.walkFileTree(myBackupDir, new SimpleFileVisitor<Path>() {
        /**
         * @see java.nio.file.SimpleFileVisitor#visitFileFailed(java.lang.Object, java.io.IOException)
         */
        @Override
        public FileVisitResult visitFileFailed(Path aFile, IOException aExc) throws IOException {
            if ("System Volume Information".equals((aFile.getFileName().toString()))) {
                return FileVisitResult.SKIP_SUBTREE;
            }

            throw aExc;
        }

        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            return Runner.this.visitFile(file, attrs);
        }

        @Override
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            if ("System Volume Information".equals((dir.getFileName()))) {
                return FileVisitResult.SKIP_SUBTREE;
            }

            return Runner.this.preVisitDirectory(dir, attrs);
        }

    });

    if (myEvacuateCandidates.size() == 0) {
        myLog.info("No candidates for evacuation found");
    } else {
        StringBuilder sb = new StringBuilder("\nFound candidates for evacuation:");
        myEvacuateCandidates.keySet().forEach(p -> sb.append("\n    " + p.toString()));
        myLog.info(sb.toString());
    }

    if (myDryRun) {
        myLog.debug("DryRun flag is set. Doing nothing");
        return;
    }

    if (myFutures.size() > 0) {
        myLog.debug("Waiting for all async tasks to complete");
        CompletableFuture.allOf(myFutures.toArray(new CompletableFuture[myFutures.size()])).get();
    }

    if (myFailedChainPreparations.size() > 0) {
        for (Path path : myFailedChainPreparations.keySet()) {
            myLog.error("exception occured", myFailedChainPreparations.get(path));
        }

        throw new Exception("chain preparation failed. See above error messages");
    }

    for (Path src : myEvacuateCandidates.keySet()) {
        Path dst = myEvacuateCandidates.get(src);
        Path dstParent = dst.getParent();

        if (Files.notExists(dstParent)) {
            Files.createDirectories(dstParent); // FUTURE: overtake file attributes from src
        }

        if (myMove) {
            try {
                myLog.debug(
                        "Moving file system object \"" + src.toString() + "\" to \"" + dst.toString() + "\"");
                Files.move(src, dst, StandardCopyOption.ATOMIC_MOVE);
            } catch (AtomicMoveNotSupportedException e) {
                myLog.warn("Atomic move not supported. Try copy and then delete");

                if (Files.isDirectory(src)) {
                    myLog.debug("Copying folder \"" + src.toString() + "\" to \"" + dst.toString() + "\"");
                    FileUtils.copyDirectory(src.toFile(), dst.toFile());
                    myLog.debug("Delete folder \"" + src.toString() + "\"");
                    FileUtils.deleteDirectory(src.toFile());
                } else {
                    myLog.debug("Copy file \"" + src.toString() + "\" to \"" + dst.toString() + "\"");
                    FileUtils.copyFile(src.toFile(), dst.toFile());
                    myLog.debug("Delete file \"" + src.toString() + "\"");
                    Files.delete(src);
                }
            }

        } else {
            if (Files.isDirectory(src)) {
                myLog.debug("Copying folder \"" + src.toString() + "\" to \"" + dst.toString() + "\"");
                FileUtils.copyDirectory(src.toFile(), dst.toFile());
            } else {
                myLog.debug("Copy file \"" + src.toString() + "\" to \"" + dst.toString() + "\"");
                FileUtils.copyFile(src.toFile(), dst.toFile());
            }
        }
    }

    myLog.info("\nSuccessfully terminated." + "\n             Evacuated  Skipped" + "\n    Files  : "
            + StringUtils.leftPad("" + myEvacuationDirCount, 9)
            + StringUtils.leftPad("" + myExclusionDirCount, 9) + "\n    Folders: "
            + StringUtils.leftPad("" + myEvacuationFileCount, 9)
            + StringUtils.leftPad("" + myExclusionFileCount, 9));
}

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

@Override
protected void delete(Collection<LocalResourceId> resourceIds) throws IOException {
    for (LocalResourceId resourceId : resourceIds) {
        try {/* ww  w . java2 s.com*/
            Files.delete(resourceId.getPath());
        } catch (NoSuchFileException e) {
            LOG.info("Ignoring failed deletion of file {} which already does not exist: {}", resourceId, e);
        }
    }
}

From source file:com.github.jrialland.ajpclient.AbstractTomcatTest.java

protected static void deleteDirectory(final Path path) throws IOException {
    Files.walkFileTree(path, new FileVisitor<Path>() {
        @Override//w  ww.j a v a2  s.c  o m
        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;
        }

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

        @Override
        public FileVisitResult visitFileFailed(final Path file, final IOException exc) throws IOException {
            throw exc;
        }
    });
}

From source file:org.cirdles.squid.web.SquidReportingService.java

public Path generateReports(String myFileName, InputStream prawnFile, InputStream taskFile, boolean useSBM,
        boolean userLinFits, String refMatFilter, String concRefMatFilter, String preferredIndexIsotopeName)
        throws IOException, JAXBException, SAXException {

    IndexIsoptopesEnum preferredIndexIsotope = IndexIsoptopesEnum.valueOf(preferredIndexIsotopeName);

    // Posix attributes added to support web service on Linux - ignoring windows for now
    Set<PosixFilePermission> perms = EnumSet.of(OWNER_READ, OWNER_WRITE, OWNER_EXECUTE, GROUP_READ);

    // detect if prawnfile is zipped
    boolean prawnIsZip = false;
    String fileName = "";
    if (myFileName == null) {
        fileName = DEFAULT_PRAWNFILE_NAME;
    } else if (myFileName.toLowerCase().endsWith(".zip")) {
        fileName = FilenameUtils.removeExtension(myFileName);
        prawnIsZip = true;/*  ww w  .  j  a va2s .c o  m*/
    } else {
        fileName = myFileName;
    }

    SquidProject squidProject = new SquidProject();
    prawnFileHandler = squidProject.getPrawnFileHandler();

    CalamariFileUtilities.initSampleParametersModels();

    Path reportsZip = null;
    Path reportsFolder = null;
    try {
        Path uploadDirectory = Files.createTempDirectory("upload");
        Path uploadDirectory2 = Files.createTempDirectory("upload2");

        Path prawnFilePath;
        Path taskFilePath;
        if (prawnIsZip) {
            Path prawnFilePathZip = uploadDirectory.resolve("prawn-file.zip");
            Files.copy(prawnFile, prawnFilePathZip);
            prawnFilePath = extractZippedFile(prawnFilePathZip.toFile(), uploadDirectory.toFile());
        } else {
            prawnFilePath = uploadDirectory.resolve("prawn-file.xml");
            Files.copy(prawnFile, prawnFilePath);
        }

        taskFilePath = uploadDirectory2.resolve("task-file.xls");
        Files.copy(taskFile, taskFilePath);

        ShrimpDataFileInterface prawnFileData = prawnFileHandler
                .unmarshallPrawnFileXML(prawnFilePath.toString(), true);
        squidProject.setPrawnFile(prawnFileData);

        // hard-wired for now
        squidProject.getTask().setCommonPbModel(CommonPbModel.getDefaultModel("GA Common Lead 2018", "1.0"));
        squidProject.getTask().setPhysicalConstantsModel(
                PhysicalConstantsModel.getDefaultModel(SQUID2_DEFAULT_PHYSICAL_CONSTANTS_MODEL_V1, "1.0"));
        File squidTaskFile = taskFilePath.toFile();

        squidProject.createTaskFromImportedSquid25Task(squidTaskFile);

        squidProject.setDelimiterForUnknownNames("-");

        TaskInterface task = squidProject.getTask();
        task.setFilterForRefMatSpotNames(refMatFilter);
        task.setFilterForConcRefMatSpotNames(concRefMatFilter);
        task.setUseSBM(useSBM);
        task.setUserLinFits(userLinFits);
        task.setSelectedIndexIsotope(preferredIndexIsotope);

        // process task           
        task.applyTaskIsotopeLabelsToMassStations();

        Path calamariReportsFolderAliasParent = Files.createTempDirectory("reports-destination");
        Path calamariReportsFolderAlias = calamariReportsFolderAliasParent
                .resolve(DEFAULT_SQUID3_REPORTS_FOLDER.getName() + "-from Web Service");
        File reportsDestinationFile = calamariReportsFolderAlias.toFile();

        reportsEngine = prawnFileHandler.getReportsEngine();
        prawnFileHandler.initReportsEngineWithCurrentPrawnFileName(fileName);
        reportsEngine.setFolderToWriteCalamariReports(reportsDestinationFile);

        reportsEngine.produceReports(task.getShrimpFractions(), (ShrimpFraction) task.getUnknownSpots().get(0),
                task.getReferenceMaterialSpots().size() > 0
                        ? (ShrimpFraction) task.getReferenceMaterialSpots().get(0)
                        : (ShrimpFraction) task.getUnknownSpots().get(0),
                true, false);

        squidProject.produceTaskAudit();

        squidProject.produceUnknownsCSV(true);
        squidProject.produceReferenceMaterialCSV(true);
        // next line report will show only super sample for now
        squidProject.produceUnknownsBySampleForETReduxCSV(true);

        Files.delete(prawnFilePath);

        reportsFolder = Paths.get(reportsEngine.getFolderToWriteCalamariReports().getParentFile().getPath());

    } catch (IOException | JAXBException | SAXException | SquidException iOException) {

        Path config = Files.createTempFile("SquidWebServiceMessage", "txt",
                PosixFilePermissions.asFileAttribute(perms));
        try (BufferedWriter writer = Files.newBufferedWriter(config, StandardCharsets.UTF_8)) {
            writer.write("Squid Reporting web service was not able to process supplied files.");
            writer.newLine();
            writer.write(iOException.getMessage());
            writer.newLine();
        }
        File message = config.toFile();

        Path messageDirectory = Files.createTempDirectory("message");
        Path messageFilePath = messageDirectory.resolve("Squid Web Service Message.txt");
        Files.copy(message.toPath(), messageFilePath);

        reportsFolder = messageFilePath.getParent();
    }

    reportsZip = ZipUtility.recursivelyZip(reportsFolder);
    FileUtilities.recursiveDelete(reportsFolder);

    return reportsZip;
}

From source file:io.werval.gradle.ApplicationPluginIntegTest.java

@After
public void cleanupDevShellLock() throws Exception {
    if (devshellLock.exists()) {
        Files.delete(devshellLock.toPath());
    }
}

From source file:dk.dma.ais.downloader.QueryService.java

/**
 * Asynchronously loads the given file/*from w ww. jav a  2  s  . c  om*/
 * @param url the URL to load
 * @param path the path to save the file to
 */
private Future<Path> asyncLoadFile(final String url, final Path path) {
    Callable<Path> job = () -> {
        long t0 = System.currentTimeMillis();

        // For the resulting file, drop the ".download" suffix
        String name = path.getFileName().toString();
        name = name.substring(0, name.length() - DOWNLOAD_SUFFIX.length());

        try {

            // Set up a few timeouts and fetch the attachment
            URLConnection con = new URL(url).openConnection();
            con.setConnectTimeout(60 * 1000); // 1 minute
            con.setReadTimeout(60 * 60 * 1000); // 1 hour

            if (!StringUtils.isEmpty(authHeader)) {
                con.setRequestProperty("Authorization", authHeader);
            }

            try (ReadableByteChannel rbc = Channels.newChannel(con.getInputStream());
                    FileOutputStream fos = new FileOutputStream(path.toFile())) {
                fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
            }
            log.info(String.format("Copied %s -> %s in %d ms", url, path, System.currentTimeMillis() - t0));

        } catch (Exception e) {
            log.log(Level.SEVERE, "Failed downloading " + url + ": " + e.getMessage());

            // Delete the old file
            if (Files.exists(path)) {
                try {
                    Files.delete(path);
                } catch (IOException e1) {
                    log.finer("Failed deleting old file " + path);
                }
            }

            // Save an error file
            Path errorFile = path.getParent().resolve(name + ".err.txt");
            try (PrintStream err = new PrintStream(new FileOutputStream(errorFile.toFile()))) {
                e.printStackTrace(err);
            } catch (IOException ex) {
                log.finer("Failed generating error file " + errorFile);
            }
            return errorFile;
        }

        Path resultPath = path.getParent().resolve(name);
        try {
            Files.move(path, resultPath);
        } catch (IOException e) {
            log.log(Level.SEVERE, "Failed renaming path " + path + ": " + e.getMessage());
        }
        return resultPath;
    };

    log.info("Submitting new job: " + url);
    return processPool.submit(job);
}

From source file:codes.thischwa.c5c.impl.LocalConnector.java

@Override
public boolean delete(String backendPath) throws C5CException {
    Path file = buildRealPath(backendPath);
    boolean isDir = Files.isDirectory(file);
    if (!Files.exists(file)) {
        logger.error("Requested file not exits: {}", file.toAbsolutePath());
        FilemanagerException.Key key = (isDir) ? FilemanagerException.Key.DirectoryNotExist
                : FilemanagerException.Key.FileNotExists;
        throw new FilemanagerException(FilemanagerAction.DELETE, key, file.getFileName().toString());
    }//ww w.ja  v a 2 s .  c  o m
    boolean success = false;
    if (isDir) {
        try {
            FileUtils.deleteDirectory(file.toFile());
            success = true;
        } catch (IOException e) {
        }
    } else {
        try {
            Files.delete(file);
            success = true;
        } catch (IOException e) {
        }
    }
    if (!success)
        throw new FilemanagerException(FilemanagerAction.DELETE,
                FilemanagerException.Key.InvalidDirectoryOrFile, FilenameUtils.getName(backendPath));
    return isDir;
}