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

Example 21 with FileVisitResult

use of java.nio.file.FileVisitResult in project karaf by apache.

the class Profiles method loadProfiles.

public static Map<String, Profile> loadProfiles(final Path root) throws IOException {
    final Map<String, Profile> profiles = new HashMap<>();
    Files.walkFileTree(root, new SimpleFileVisitor<Path>() {

        ProfileBuilder builder;

        @Override
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            Path fileName = dir.getFileName();
            if (fileName != null && (fileName.toString().endsWith(PROFILE_FOLDER_SUFFIX) || fileName.toString().endsWith(PROFILE_FOLDER_SUFFIX + "/"))) {
                String profileId = root.relativize(dir).toString();
                if (profileId.endsWith("/")) {
                    profileId = profileId.substring(0, profileId.length() - 1);
                }
                profileId = profileId.replaceAll(root.getFileSystem().getSeparator(), "-");
                profileId = profileId.substring(0, profileId.length() - PROFILE_FOLDER_SUFFIX.length());
                builder = ProfileBuilder.Factory.create(profileId);
            }
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
            if (exc != null) {
                throw exc;
            }
            if (builder != null) {
                Profile profile = builder.getProfile();
                profiles.put(profile.getId(), profile);
                builder = null;
            }
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            if (builder != null) {
                String pid = file.getFileName().toString();
                byte[] data = Files.readAllBytes(file);
                builder.addFileConfiguration(pid, data);
            }
            return FileVisitResult.CONTINUE;
        }
    });
    return profiles;
}

Example 22 with FileVisitResult

use of java.nio.file.FileVisitResult in project karaf by apache.

the class FilesStream method files.

private static Stream<Path> files(Path cur, String glob) {
    String prefix;
    String rem;
    int idx = glob.lastIndexOf('/');
    if (idx >= 0) {
        prefix = glob.substring(0, idx + 1);
        rem = glob.substring(idx + 1);
    } else {
        prefix = "";
        rem = glob;
    }
    Path dir = cur.resolve(prefix);
    final PathMatcher matcher = dir.getFileSystem().getPathMatcher("glob:" + rem);
    Stream.Builder<Path> stream = Stream.builder();
    try {
        Files.walkFileTree(dir, EnumSet.of(FileVisitOption.FOLLOW_LINKS), Integer.MAX_VALUE, new FileVisitor<Path>() {

            @Override
            public FileVisitResult preVisitDirectory(Path file, BasicFileAttributes attrs) throws IOException {
                if (file.equals(dir)) {
                    return FileVisitResult.CONTINUE;
                }
                if (Files.isHidden(file)) {
                    return FileVisitResult.SKIP_SUBTREE;
                }
                Path r = dir.relativize(file);
                if (matcher.matches(r)) {
                    stream.add(file);
                }
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                if (!Files.isHidden(file)) {
                    Path r = dir.relativize(file);
                    if (matcher.matches(r)) {
                        stream.add(file);
                    }
                }
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                return FileVisitResult.CONTINUE;
            }
        });
    } catch (IOException e) {
        LOGGER.warn("Error generating filenames", e);
    }
    return stream.build();
}

Example 23 with FileVisitResult

use of java.nio.file.FileVisitResult in project lucene-solr by apache.

the class TestIndexWriterOnJRECrash method checkIndexes.

/**
   * Recursively looks for indexes underneath <code>file</code>,
   * and runs checkindex on them. returns true if it found any indexes.
   */
public boolean checkIndexes(Path path) throws IOException {
    final AtomicBoolean found = new AtomicBoolean();
    Files.walkFileTree(path, new SimpleFileVisitor<Path>() {

        @Override
        public FileVisitResult postVisitDirectory(Path dirPath, IOException exc) throws IOException {
            if (exc != null) {
                throw exc;
            } else {
                try (BaseDirectoryWrapper dir = newFSDirectory(dirPath)) {
                    // don't double-checkindex
                    dir.setCheckIndexOnClose(false);
                    if (DirectoryReader.indexExists(dir)) {
                        if (VERBOSE) {
                            System.err.println("Checking index: " + dirPath);
                        }
                        // since that too risky):
                        if (SegmentInfos.getLastCommitGeneration(dir) > 1) {
                            TestUtil.checkIndex(dir);
                        }
                        found.set(true);
                    }
                }
                return FileVisitResult.CONTINUE;
            }
        }
    });
    return found.get();
}

Example 24 with FileVisitResult

use of java.nio.file.FileVisitResult in project lucene-solr by apache.

the class CorePropertiesLocator method discover.

@Override
public List<CoreDescriptor> discover(final CoreContainer cc) {
    logger.debug("Looking for core definitions underneath {}", rootDirectory);
    final List<CoreDescriptor> cds = Lists.newArrayList();
    try {
        Set<FileVisitOption> options = new HashSet<>();
        options.add(FileVisitOption.FOLLOW_LINKS);
        final int maxDepth = 256;
        Files.walkFileTree(this.rootDirectory, options, maxDepth, new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                if (file.getFileName().toString().equals(PROPERTIES_FILENAME)) {
                    CoreDescriptor cd = buildCoreDescriptor(file, cc);
                    if (cd != null) {
                        logger.debug("Found core {} in {}", cd.getName(), cd.getInstanceDir());
                        cds.add(cd);
                    }
                    return FileVisitResult.SKIP_SIBLINGS;
                }
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
                // otherwise, log a warning and continue to try and load other cores
                if (file.equals(rootDirectory)) {
                    logger.error("Error reading core root directory {}: {}", file, exc);
                    throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Error reading core root directory");
                }
                logger.warn("Error visiting {}: {}", file, exc);
                return FileVisitResult.CONTINUE;
            }
        });
    } catch (IOException e) {
        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Couldn't walk file tree under " + this.rootDirectory, e);
    }
    logger.info("Found {} core definitions underneath {}", cds.size(), rootDirectory);
    if (cds.size() > 0) {
        logger.info("Cores are: {}", cds.stream().map(CoreDescriptor::getName).collect(Collectors.toList()));
    }
    return cds;
}

Example 25 with FileVisitResult

use of java.nio.file.FileVisitResult in project wildfly by wildfly.

the class JBeretSubsystemParsingTestCase method testLegacySubsystems.

@Test
public void testLegacySubsystems() throws Exception {
    // Get a list of all the logging_x_x.xml files
    final Pattern pattern = Pattern.compile("(.*-subsystem)_\\d+_\\d+\\.xml");
    // Using the CP as that's the standardSubsystemTest will use to find the config file
    final String cp = WildFlySecurityManager.getPropertyPrivileged("java.class.path", ".");
    final String[] entries = cp.split(Pattern.quote(File.pathSeparator));
    final List<String> configs = new ArrayList<>();
    for (String entry : entries) {
        final Path path = Paths.get(entry);
        if (Files.isDirectory(path)) {
            Files.walkFileTree(path, new SimpleFileVisitor<Path>() {

                @Override
                public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException {
                    final String name = file.getFileName().toString();
                    if (pattern.matcher(name).matches()) {
                        configs.add("/" + name);
                    }
                    return FileVisitResult.CONTINUE;
                }
            });
        }
    }
    // The paths shouldn't be empty
    Assert.assertFalse("No configs were found", configs.isEmpty());
    for (String configId : configs) {
        // Run the standard subsystem test, but don't compare the XML as it should never match
        standardSubsystemTest(configId, false);
    }
}