Examples with NoSuchFileException java.nio.file.NoSuchFileException used on opensource projects

Example 81 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project neo4j by neo4j.

the class EphemeralFileSystemAbstraction method write.

@Override
public synchronized StoreChannel write(Path fileName) throws IOException {
    Path parentFile = fileName.getParent();
    if (parentFile != null && /*means that this is the 'default location'*/
    !fileExists(parentFile)) {
        throw new NoSuchFileException("'" + fileName + "' (The system cannot find the path specified)");
    }
    EphemeralFileData data = files.computeIfAbsent(canonicalFile(fileName), key -> new EphemeralFileData(key, clock));
    return new StoreFileChannel(new EphemeralFileChannel(data, new EphemeralFileStillOpenException(fileName.toString())));
}

Example 82 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project neo4j by neo4j.

the class EphemeralFileSystemAbstraction method listFiles.

@Override
public Path[] listFiles(Path directory) throws IOException {
    directory = canonicalFile(directory);
    if (files.containsKey(directory)) {
        throw new NotDirectoryException(directory.toString());
    }
    if (!directories.contains(directory)) {
        throw new NoSuchFileException(directory.toString());
    }
    Set<Path> found = new HashSet<>();
    Iterator<Path> filesAndFolders = new CombiningIterator<>(asList(this.files.keySet().iterator(), directories.iterator()));
    while (filesAndFolders.hasNext()) {
        Path file = filesAndFolders.next();
        if (directory.equals(file.getParent())) {
            found.add(file);
        }
    }
    return found.toArray(new Path[0]);
}

Example 83 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project flink by apache.

the class CompressionUtils method extractZipFileWithPermissions.

public static void extractZipFileWithPermissions(String zipFilePath, String targetPath) throws IOException {
    try (ZipFile zipFile = new ZipFile(zipFilePath)) {
        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        boolean isUnix = isUnix();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        String canonicalTargetPath = new File(targetPath).getCanonicalPath() + File.separator;
        while (entries.hasMoreElements()) {
            ZipArchiveEntry entry = entries.nextElement();
            File outputFile = new File(canonicalTargetPath, entry.getName());
            if (!outputFile.getCanonicalPath().startsWith(canonicalTargetPath)) {
                throw new IOException("Expand " + entry.getName() + " would create a file outside of " + targetPath);
            }
            if (entry.isDirectory()) {
                if (!outputFile.exists()) {
                    if (!outputFile.mkdirs()) {
                        throw new IOException("Create dir: " + outputFile.getAbsolutePath() + " failed!");
                    }
                }
            } else {
                File parentDir = outputFile.getParentFile();
                if (!parentDir.exists()) {
                    if (!parentDir.mkdirs()) {
                        throw new IOException("Create dir: " + outputFile.getAbsolutePath() + " failed!");
                    }
                }
                if (entry.isUnixSymlink()) {
                    // the content of the file is the target path of the symlink
                    baos.reset();
                    IOUtils.copyBytes(zipFile.getInputStream(entry), baos);
                    Files.createSymbolicLink(outputFile.toPath(), new File(parentDir, baos.toString()).toPath());
                } else if (outputFile.createNewFile()) {
                    OutputStream output = new FileOutputStream(outputFile);
                    IOUtils.copyBytes(zipFile.getInputStream(entry), output);
                } else {
                    throw new IOException("Create file: " + outputFile.getAbsolutePath() + " failed!");
                }
            }
            if (isUnix) {
                int mode = entry.getUnixMode();
                if (mode != 0) {
                    Path outputPath = Paths.get(outputFile.toURI());
                    Set<PosixFilePermission> permissions = new HashSet<>();
                    addIfBitSet(mode, 8, permissions, PosixFilePermission.OWNER_READ);
                    addIfBitSet(mode, 7, permissions, PosixFilePermission.OWNER_WRITE);
                    addIfBitSet(mode, 6, permissions, PosixFilePermission.OWNER_EXECUTE);
                    addIfBitSet(mode, 5, permissions, PosixFilePermission.GROUP_READ);
                    addIfBitSet(mode, 4, permissions, PosixFilePermission.GROUP_WRITE);
                    addIfBitSet(mode, 3, permissions, PosixFilePermission.GROUP_EXECUTE);
                    addIfBitSet(mode, 2, permissions, PosixFilePermission.OTHERS_READ);
                    addIfBitSet(mode, 1, permissions, PosixFilePermission.OTHERS_WRITE);
                    addIfBitSet(mode, 0, permissions, PosixFilePermission.OTHERS_EXECUTE);
                    // TODO: support setting the permission without following links
                    try {
                        Files.setPosixFilePermissions(outputPath, permissions);
                    } catch (NoSuchFileException e) {
                    // this may happens when the target file of the symlink is still not
                    // extracted
                    }
                }
            }
        }
    }
}

Example 84 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project gerrit by GerritCodeReview.

the class HtmlDomUtil method parseFile.

/**
 * Parse an XHTML file from the local drive and return the instance.
 */
public static Document parseFile(Path path) throws IOException {
    try (InputStream in = Files.newInputStream(path)) {
        Document doc = newBuilder().parse(in);
        compact(doc);
        return doc;
    } catch (NoSuchFileException e) {
        return null;
    } catch (SAXException | ParserConfigurationException | IOException e) {
        throw new IOException("Error reading " + path, e);
    }
}

Example 85 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project gerrit by GerritCodeReview.

the class InitUtil method copy.

public static void copy(Path dst, byte[] buf) throws FileNotFoundException, IOException {
    // 
    try (InputStream in = Files.newInputStream(dst)) {
        if (Arrays.equals(buf, ByteStreams.toByteArray(in))) {
            return;
        }
    } catch (NoSuchFileException notFound) {
    // Fall through and write the file.
    }
    Files.createDirectories(dst.getParent());
    LockFile lf = new LockFile(dst.toFile());
    if (!lf.lock()) {
        throw new IOException("Cannot lock " + dst);
    }
    try {
        try (InputStream in = new ByteArrayInputStream(buf);
            OutputStream out = lf.getOutputStream()) {
            ByteStreams.copy(in, out);
        }
        if (!lf.commit()) {
            throw new IOException("Cannot commit " + dst);
        }
    } finally {
        lf.unlock();
    }
}