Example usage for java.nio.file FileVisitResult CONTINUE

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FileVisitResult CONTINUE

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Usage

From source file:com.facebook.buck.io.ProjectFilesystemTest.java

@Test
public void testWalkFileTreeWhenProjectRootIsNotWorkingDir() throws IOException {
    tmp.newFolder("dir");
    tmp.newFile("dir/file.txt");
    tmp.newFolder("dir/dir2");
    tmp.newFile("dir/dir2/file2.txt");

    final ImmutableList.Builder<String> fileNames = ImmutableList.builder();

    filesystem.walkRelativeFileTree(Paths.get("dir"), new SimpleFileVisitor<Path>() {
        @Override/* w w  w  . ja v a 2  s .  c o  m*/
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
            fileNames.add(file.getFileName().toString());
            return FileVisitResult.CONTINUE;
        }
    });

    assertThat(fileNames.build(), containsInAnyOrder("file.txt", "file2.txt"));
}

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

/**
 * Deletes all the file of the client folder
 *///from   w  ww.ja va  2  s . c  om
@RequestMapping(value = "/delete-all/{clientId}", method = RequestMethod.GET)
@ResponseBody
public String deleteFiles(@PathVariable("clientId") String clientId, HttpServletResponse response)
        throws IOException {

    int deletedFiles = 0;
    Path path = repoRoot.resolve(clientId);

    if (Files.notExists(path) || !Files.isDirectory(path)) {
        log.log(Level.WARNING, "Failed deleting files in " + path);
        response.setStatus(404);
        return "Failed deleting files in " + clientId;
    }

    try {
        Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                log.info("Deleting repo file      :" + file);
                Files.delete(file);
                return FileVisitResult.CONTINUE;
            }
        });
    } catch (IOException e) {
        log.log(Level.SEVERE, "Failed cleaning up dir: " + path);
        return "Failed deleting files in " + clientId;
    }
    return "Deleted files in dir " + clientId;
}

---

From source file:com.datafibers.kafka.connect.FileGenericSourceTask.java

/**
 * Looks for files that meet the glob criteria. If any found they will be added to the list of
 * files to be processed/*from   w ww  .  j  a  v a  2  s. co m*/
 */
private void findMatch() {
    final PathMatcher globMatcher = FileSystems.getDefault().getPathMatcher("glob:".concat(glob));

    try {
        Files.walkFileTree(Paths.get(location), new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult visitFile(Path path, BasicFileAttributes attributes) throws IOException {
                if (globMatcher.matches(path)) {
                    if (!processedPaths.contains(path)) {
                        inProgressPaths.add(path);
                    }
                }
                return FileVisitResult.CONTINUE;
            }

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

---

From source file:org.apache.jena.atlas.io.IO.java

/** Delete everything from a {@code Path} start point, including the path itself.
 * This function works on files or directories.
 * This function does not follow symbolic links.
 *///from  w w  w .  j  av  a2 s .  c  om
public static void deleteAll(Path start) {
    // Walks down the tree and delete directories on the way backup.
    try {
        Files.walkFileTree(start, 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 e) throws IOException {
                if (e == null) {
                    Files.delete(dir);
                    return FileVisitResult.CONTINUE;
                } else {
                    throw e;
                }
            }
        });
    } catch (IOException ex) {
        IO.exception(ex);
        return;
    }
}

---

From source file:facs.utils.Billing.java

/**
 * Helper method. copies files and directories from source to target source and target can be
 * created via the command: FileSystems.getDefault().getPath(String path, ... String more) or
 * Paths.get(String path, ... String more) Note: overrides existing folders
 * //from   w  w w  . jav  a2s .  c  o m
 * @param source
 * @param target
 * @return true if copying was successful
 */
public boolean copy(final Path source, final Path target) {
    try {
        Files.walkFileTree(source, EnumSet.of(FileVisitOption.FOLLOW_LINKS), Integer.MAX_VALUE,
                new SimpleFileVisitor<Path>() {

                    @Override
                    public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
                            throws IOException {
                        Path targetdir = target.resolve(source.relativize(dir));
                        try {
                            Files.copy(dir, targetdir, java.nio.file.StandardCopyOption.REPLACE_EXISTING);
                        } catch (FileAlreadyExistsException e) {
                            if (!Files.isDirectory(targetdir)) {
                                throw e;
                            }
                        }

                        return FileVisitResult.CONTINUE;
                    }

                    @Override
                    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                        Files.copy(file, target.resolve(source.relativize(file)));
                        return FileVisitResult.CONTINUE;

                    }

                });
    } catch (IOException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
        return false;
    }
    return true;
}

---

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

/**
 * Import an extracted CSAR from a directory
 * //from  w w  w.j  ava 2 s. c o m
 * @param path the root path of an extracted CSAR file
 * @param overwrite if true: contents of the repo are overwritten
 * @param asyncWPDParsing true if WPD should be parsed asynchronously to speed up the import.
 *        Required, because JUnit terminates the used ExecutorService
 * @throws InvalidCSARException
 * @throws IOException
 */
void importFromDir(final Path path, final List<String> errors, final boolean overwrite,
        final boolean asyncWPDParsing) throws IOException {
    Path toscaMetaPath = path.resolve("xml/TOSCA-Metadata/TOSCA.meta");
    if (!Files.exists(toscaMetaPath)) {
        toscaMetaPath = path.resolve("TOSCA-Metadata/TOSCA.meta");
    }

    if (!Files.exists(toscaMetaPath)) {
        errors.add("TOSCA.meta does not exist");
        return;
    }
    final TOSCAMetaFileParser tmfp = new TOSCAMetaFileParser();
    final TOSCAMetaFile tmf = tmfp.parse(toscaMetaPath);

    // we do NOT do any sanity checks, of TOSAC.meta
    // and just start parsing

    if (tmf.getEntryDefinitions() != null) {
        // we obey the entry definitions and "just" import that
        // imported definitions are added recursively
        Path defsPath = path.resolve(tmf.getEntryDefinitions());
        this.importDefinitions(tmf, defsPath, errors, overwrite, asyncWPDParsing);

        this.importSelfServiceMetaData(tmf, path, defsPath, errors);
    } else {
        // no explicit entry definitions found
        // we import all available definitions
        // The specification says (cos01, Section 16.1, line 2935) that all definitions are contained
        // in the "Definitions" directory
        // The alternative is to go through all entries in the TOSCA Meta File, but there is no
        // guarantee that this list is complete
        Path definitionsDir = path.resolve("Definitions");
        if (!Files.exists(definitionsDir)) {
            errors.add("No entry definitions defined and Definitions directory does not exist.");
            return;
        }
        final List<IOException> exceptions = new ArrayList<IOException>();
        Files.walkFileTree(definitionsDir, new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
                if (dir.endsWith("Definitions")) {
                    return FileVisitResult.CONTINUE;
                } else {
                    return FileVisitResult.SKIP_SUBTREE;
                }
            }

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
                try {
                    CSARImporter.this.importDefinitions(tmf, file, errors, overwrite, asyncWPDParsing);
                } catch (IOException e) {
                    exceptions.add(e);
                    return FileVisitResult.TERMINATE;
                }
                return FileVisitResult.CONTINUE;
            }
        });

        if (!exceptions.isEmpty()) {
            // something went wrong during parsing
            // we rethrow the exception
            throw exceptions.get(0);
        }
    }

    this.importNamespacePrefixes(path);
}

---

From source file:com.facebook.buck.util.ProjectFilesystemTest.java

@Test
public void testWalkFileTreeWhenProjectRootIsWorkingDir() throws IOException {
    ProjectFilesystem projectFilesystem = new ProjectFilesystem(Paths.get("."));
    final ImmutableList.Builder<String> fileNames = ImmutableList.builder();

    Path pathRelativeToProjectRoot = Paths.get("test/com/facebook/buck/util/testdata");
    projectFilesystem.walkRelativeFileTree(pathRelativeToProjectRoot, new SimpleFileVisitor<Path>() {
        @Override/*from  www.  j a v  a 2s  .c  om*/
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
            fileNames.add(file.getFileName().toString());
            return FileVisitResult.CONTINUE;
        }
    });

    assertThat(fileNames.build(), containsInAnyOrder("file", "a_file", "b_file", "b_c_file", "b_d_file"));
}

---

From source file:org.vpac.ndg.storage.util.TimeSliceUtil.java

public void cleanup(String timesliceId) {
    TimeSlice ts = timeSliceDao.retrieve(timesliceId);
    Path tsPath = getFileLocation(ts);
    try {//w ww  .j  ava  2s . co  m
        Files.walkFileTree(tsPath, new SimpleFileVisitor<Path>() {
            /**
             * Import netcdf dataset
             */
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {

                String fileName = file.getFileName().toString();

                if (!fileName.endsWith("_old" + GdalFormat.NC.getExtension())) {
                    // IGNORE NON-BACKUP TILE
                    return FileVisitResult.CONTINUE;
                }

                Path backupTilePath = file.toAbsolutePath();
                try {
                    FileUtils.deleteIfExists(backupTilePath);
                    log.debug("CLEAN UP {}", backupTilePath);
                } catch (Exception e) {
                    log.error("{}", e);
                }

                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException e) throws IOException {
                return FileVisitResult.CONTINUE;
            }
        });
    } catch (IOException e) {
        log.error("Error restoring {} caused by {}", tsPath, e);
    }
}

---

From source file:com.facebook.buck.io.ProjectFilesystemTest.java

@Test
public void testWalkFileTreeWhenProjectRootIsWorkingDir() throws IOException {
    ProjectFilesystem projectFilesystem = new ProjectFilesystem(Paths.get(".").toAbsolutePath());
    final ImmutableList.Builder<String> fileNames = ImmutableList.builder();

    Path pathRelativeToProjectRoot = Paths
            .get("test/com/facebook/buck/io/testdata/directory_traversal_ignore_paths");
    projectFilesystem.walkRelativeFileTree(pathRelativeToProjectRoot, new SimpleFileVisitor<Path>() {
        @Override/*  www. j av  a  2s .  c  o  m*/
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
            fileNames.add(file.getFileName().toString());
            return FileVisitResult.CONTINUE;
        }
    });

    assertThat(fileNames.build(), containsInAnyOrder("file", "a_file", "b_file", "b_c_file", "b_d_file"));
}

---

From source file:org.hawkular.inventory.impl.tinkerpop.test.BasicTest.java

private static void deleteGraph() throws Exception {
    Path path = Paths.get("./", "__tinker.graph");

    if (!path.toFile().exists()) {
        return;//from w  w w.j  av a  2 s . co m
    }

    Files.walkFileTree(path, 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;
        }
    });
}

---

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