Example usage for java.nio.file SimpleFileVisitor SimpleFileVisitor

Introduction

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

Prototype

protected SimpleFileVisitor() 

Source Link

Document

Initializes a new instance of this class.

Usage

From source file:com.cloudbees.clickstack.util.Files2.java

/**
 * Update file and dir permissions.//from   ww w. j  av  a  2 s  .  c o m
 *
 * @param path
 * @param filePermissions
 * @param dirPermissions
 * @throws RuntimeIOException
 */
private static void chmodAddPermissions(@Nonnull Path path,
        @Nonnull final Set<PosixFilePermission> filePermissions,
        @Nonnull final Set<PosixFilePermission> dirPermissions) throws RuntimeIOException {
    if (!Files.exists(path)) {
        throw new IllegalArgumentException("Given path " + path + " does not exist");
    }

    SimpleFileVisitor<Path> setReadOnlyFileVisitor = new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            if (Files.isDirectory(file)) {
                throw new IllegalStateException("No dir expected here: " + file);
            } else {
                Set<PosixFilePermission> existingPermissions = Files.getPosixFilePermissions(file);
                Files.setPosixFilePermissions(file, Sets.union(existingPermissions, filePermissions));
            }
            return super.visitFile(file, attrs);
        }

        @Override
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            Set<PosixFilePermission> existingPermissions = Files.getPosixFilePermissions(dir);
            Files.setPosixFilePermissions(dir, Sets.union(existingPermissions, dirPermissions));
            return super.preVisitDirectory(dir, attrs);
        }
    };
    try {
        Files.walkFileTree(path, setReadOnlyFileVisitor);
    } catch (IOException e) {
        throw new RuntimeIOException("Exception setting permissions file permissions to " + filePermissions
                + " and folder permissions to " + dirPermissions + " on " + path, e);
    }
}

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From source file:org.eclipse.cdt.arduino.core.internal.board.ArduinoManager.java

public static void recursiveDelete(Path directory) throws IOException {
    Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
        @Override/*from w w  w . ja v a 2  s . co m*/
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            Files.delete(file);
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
            Files.delete(dir);
            return FileVisitResult.CONTINUE;
        }

    });
}

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From source file:net.sourceforge.pmd.docs.RuleDocGenerator.java

private String getRuleClassSourceFilepath(String ruleClass) throws IOException {
    final String relativeSourceFilename = ruleClass.replaceAll("\\.", Matcher.quoteReplacement(File.separator))
            + ".java";
    final List<Path> foundPathResult = new LinkedList<>();

    Files.walkFileTree(root, new SimpleFileVisitor<Path>() {
        @Override/*from w  w w  .jav  a2 s.  c  o m*/
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            String path = file.toString();
            if (path.contains("src") && path.endsWith(relativeSourceFilename)) {
                foundPathResult.add(file);
                return FileVisitResult.TERMINATE;
            }
            return super.visitFile(file, attrs);
        }
    });

    if (!foundPathResult.isEmpty()) {
        Path foundPath = foundPathResult.get(0);
        foundPath = root.relativize(foundPath);
        return FilenameUtils.normalize(foundPath.toString(), true);
    }

    return FilenameUtils.normalize(relativeSourceFilename, true);
}

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From source file:org.kurento.test.services.KmsService.java

private void deleteFolderAndContent(Path folder) throws IOException {
    if (folder != null) {
        Files.walkFileTree(folder, new SimpleFileVisitor<Path>() {
            @Override//w  w  w .  j ava  2s  . co  m
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                Files.delete(file);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                Files.delete(dir);
                return FileVisitResult.CONTINUE;
            }
        });
    }
}

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From source file:org.fao.geonet.api.records.formatters.FormatterApi.java

public synchronized Element getPluginLocResources(final ServiceContext context, Path formatDir)
        throws Exception {
    final String formatDirPath = formatDir.toString();
    Element allLangResources = this.pluginLocs.get(formatDirPath);
    if (isDevMode(context) || allLangResources == null) {
        allLangResources = new Element("loc");
        Path baseLoc = formatDir.resolve("loc");
        if (Files.exists(baseLoc)) {
            final Element finalAllLangResources = allLangResources;
            Files.walkFileTree(baseLoc, new SimpleFileVisitor<Path>() {
                private void addTranslations(String locDirName, Element fileElements) {
                    if (locDirName != null && !locDirName.isEmpty()) {
                        Element resources = finalAllLangResources.getChild(locDirName);
                        if (resources == null) {
                            resources = new Element(locDirName);
                            finalAllLangResources.addContent(resources);
                        }/*from   www .  ja v  a 2 s. c o  m*/
                        resources.addContent(fileElements);
                    }
                }

                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    if (file.getFileName().toString().toLowerCase().endsWith(".xml")) {
                        try {
                            final Element fileElements = Xml.loadFile(file);
                            final String fileName = getNameWithoutExtension(file.getFileName().toString());
                            fileElements.setName(fileName);
                            final String locDirName = getNameWithoutExtension(
                                    file.getParent().getFileName().toString());
                            addTranslations(locDirName, fileElements);
                        } catch (JDOMException e) {
                            throw new RuntimeException(e);
                        }
                    } else if (file.getFileName().toString().toLowerCase().endsWith(".json")) {
                        try {
                            final String fileName = getNameWithoutExtension(file.getFileName().toString());
                            final String[] nameParts = fileName.split("-", 2);
                            IsoLanguagesMapper isoLanguagesMapper = context.getBean(IsoLanguagesMapper.class);
                            String lang = isoLanguagesMapper.iso639_1_to_iso639_2(nameParts[0].toLowerCase(),
                                    nameParts[0]);
                            final JSONObject json = new JSONObject(
                                    new String(Files.readAllBytes(file), Constants.CHARSET));
                            Element fileElements = new Element(nameParts[1]);
                            final Iterator keys = json.keys();
                            while (keys.hasNext()) {
                                String key = (String) keys.next();
                                fileElements.addContent(new Element(key).setText(json.getString(key)));
                            }
                            addTranslations(lang, fileElements);
                        } catch (JSONException e) {
                            throw new RuntimeException(e);
                        }
                    }
                    return super.visitFile(file, attrs);
                }
            });
        }

        this.pluginLocs.put(formatDirPath, allLangResources);
    }
    return allLangResources;
}

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From source file:fr.pilato.elasticsearch.crawler.fs.test.integration.FsCrawlerImplAllParametersIT.java

/**
 * Test case for #95: https://github.com/dadoonet/fscrawler/issues/95 : Folder index is not getting delete on delete of folder
 *///  ww w  .j a v a 2s .co m
@Test
public void test_remove_folder_deleted_enabled() throws Exception {
    Fs fs = startCrawlerDefinition().setRemoveDeleted(true).build();
    startCrawler(getCrawlerName(), fs, endCrawlerDefinition(getCrawlerName()), null);

    // We should have 7 docs first
    countTestHelper(getCrawlerName(), null, 7, currentTestResourceDir);

    logContentOfDir(currentTestResourceDir, Level.DEBUG);

    // We remove a directory
    logger.info("  ---> Removing dir subdir1");
    Files.walkFileTree(currentTestResourceDir.resolve("subdir1"), new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            Files.delete(file);
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
            Files.delete(dir);
            return FileVisitResult.CONTINUE;
        }
    });

    logContentOfDir(currentTestResourceDir, Level.DEBUG);

    // We expect to have 4 docs now
    countTestHelper(getCrawlerName(), null, 4, currentTestResourceDir);
}

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From source file:org.eclipse.winery.repository.importing.CSARImporter.java

/**
 * Modifies given allFiles object to include all files given by the incl pattern
 * //www .  j  a v a2  s .  co  m
 * Semantics: Add all files from localRoot to allFiles matching the pattern
 */
private void handleInclude(final Include incl, final Path localRoot, final Set<Path> allFiles) {
    final PathMatcher pathMatcher = localRoot.getFileSystem().getPathMatcher("glob:" + incl.getPattern());
    try {
        Files.walkFileTree(localRoot, new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                Path relFile = localRoot.relativize(file);
                if (pathMatcher.matches(relFile)) {
                    allFiles.add(file);
                }
                return CONTINUE;
            }

            @Override
            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                if (pathMatcher.matches(dir)) {
                    Set<Path> filesToAdd = CSARImporter.this.getAllFiles(dir);
                    allFiles.addAll(filesToAdd);
                    return SKIP_SUBTREE;
                } else {
                    return CONTINUE;
                }
            }
        });
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
}

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From source file:org.eclipse.winery.repository.importing.CSARImporter.java

/**
 * Lists all files contained in the given path
 *//*from   www .  ja  v  a 2  s  . c om*/
private Set<Path> getAllFiles(Path startPath) {
    final Set<Path> res = new HashSet<>();
    try {
        Files.walkFileTree(startPath, new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                res.add(file);
                return CONTINUE;
            }
        });
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
    return res;
}

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From source file:org.tinymediamanager.core.Utils.java

/**
 * Unzips the specified zip file to the specified destination directory. Replaces any files in the destination, if they already exist.
 * //from  w ww .  ja v  a  2s  . c o  m
 * @param zipFile
 *          the name of the zip file to extract
 * @param destDir
 *          the directory to unzip to
 * @throws IOException
 */
public static void unzip(Path zipFile, final Path destDir) {
    Map<String, String> env = new HashMap<>();

    try {
        // if the destination doesn't exist, create it
        if (!Files.exists(destDir)) {
            Files.createDirectories(destDir);
        }

        // check if file exists
        env.put("create", String.valueOf(!Files.exists(zipFile)));
        // use a Zip filesystem URI
        URI fileUri = zipFile.toUri(); // here
        URI zipUri = new URI("jar:" + fileUri.getScheme(), fileUri.getPath(), null);

        try (FileSystem zipfs = FileSystems.newFileSystem(zipUri, env)) {
            final Path root = zipfs.getPath("/");

            // walk the zip file tree and copy files to the destination
            Files.walkFileTree(root, new SimpleFileVisitor<Path>() {
                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    final Path destFile = Paths.get(destDir.toString(), file.toString());
                    LOGGER.debug("Extracting file {} to {}", file, destFile);
                    Files.copy(file, destFile, StandardCopyOption.REPLACE_EXISTING);
                    return FileVisitResult.CONTINUE;
                }

                @Override
                public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
                        throws IOException {
                    final Path dirToCreate = Paths.get(destDir.toString(), dir.toString());
                    if (!Files.exists(dirToCreate)) {
                        LOGGER.debug("Creating directory {}", dirToCreate);
                        Files.createDirectory(dirToCreate);
                    }
                    return FileVisitResult.CONTINUE;
                }
            });
        }
    } catch (Exception e) {
        LOGGER.error("Failed to create zip file!" + e.getMessage());
    }
}

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