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

Example 11 with FileVisitOption

use of java.nio.file.FileVisitOption in project java-mapollage by trixon.

the class Operation method generateFileList.

private boolean generateFileList() throws IOException {
    mListener.onOperationLog("");
    mListener.onOperationLog(Dict.GENERATING_FILELIST.toString());
    PathMatcher pathMatcher = mProfileSource.getPathMatcher();
    EnumSet<FileVisitOption> fileVisitOptions;
    if (mProfileSource.isFollowLinks()) {
        fileVisitOptions = EnumSet.of(FileVisitOption.FOLLOW_LINKS);
    } else {
        fileVisitOptions = EnumSet.noneOf(FileVisitOption.class);
    }
    File file = mProfileSource.getDir();
    if (file.isDirectory()) {
        FileVisitor fileVisitor = new FileVisitor(pathMatcher, mFiles, file, this);
        try {
            if (mProfileSource.isRecursive()) {
                Files.walkFileTree(file.toPath(), fileVisitOptions, Integer.MAX_VALUE, fileVisitor);
            } else {
                Files.walkFileTree(file.toPath(), fileVisitOptions, 1, fileVisitor);
            }
            if (fileVisitor.isInterrupted()) {
                return false;
            }
        } catch (IOException ex) {
            throw new IOException(String.format("E000 %s", file.getAbsolutePath()));
        }
    } else if (file.isFile() && pathMatcher.matches(file.toPath().getFileName())) {
        mFiles.add(file);
    }
    if (mFiles.isEmpty()) {
        mListener.onOperationFinished(Dict.FILELIST_EMPTY.toString(), 0);
    } else {
        Collections.sort(mFiles);
    }
    return true;
}

Example 12 with FileVisitOption

use of java.nio.file.FileVisitOption in project j2objc by google.

the class Files2Test method test_walkFileTree_negativeDepth.

@Test
public void test_walkFileTree_negativeDepth() throws IOException {
    Path rootDir = filesSetup.getPathInTestDir("root");
    Path dir1 = filesSetup.getPathInTestDir("root/dir1");
    Files.createDirectories(dir1);
    Map<Object, VisitOption> dirMap = new HashMap<>();
    Set<FileVisitOption> option = new HashSet<>();
    option.add(FileVisitOption.FOLLOW_LINKS);
    try {
        Files.walkFileTree(rootDir, option, -1, new Files2Test.TestFileVisitor(dirMap));
        fail();
    } catch (IllegalArgumentException expected) {
    }
}

Example 13 with FileVisitOption

use of java.nio.file.FileVisitOption in project j2objc by google.

the class Files2Test method test_walkFileTree$Path$Set$int$FileVisitor_symbolicLinkFollow.

@Test
public void test_walkFileTree$Path$Set$int$FileVisitor_symbolicLinkFollow() throws IOException, InterruptedException {
    // Directory structure.
    // root
    // ├── dir1
    // │   └── dir2 ─ dir3-file1 - file3
    // │
    // └── file2
    // 
    // With follow link it should be able to traverse to dir3 and file1 when started from file2.
    // Directory setup.
    Path rootDir = filesSetup.getPathInTestDir("root");
    Path dir1 = filesSetup.getPathInTestDir("root/dir1");
    Path dir2 = filesSetup.getPathInTestDir("root/dir1/dir2");
    Path dir3 = filesSetup.getPathInTestDir("root/dir1/dir2/dir3");
    Path file1 = filesSetup.getPathInTestDir("root/dir1/dir2/dir3/file1");
    Path file2 = filesSetup.getPathInTestDir("root/file2");
    Files.createDirectories(dir3);
    Files.createFile(file1);
    Files.createSymbolicLink(file2, dir2.toAbsolutePath());
    assertTrue(Files.isSymbolicLink(file2));
    Map<Object, VisitOption> dirMap = new HashMap<>();
    Map<Object, VisitOption> expectedDirMap = new HashMap<>();
    Set<FileVisitOption> option = new HashSet<>();
    option.add(FileVisitOption.FOLLOW_LINKS);
    Files.walkFileTree(file2, option, 50, new TestFileVisitor(dirMap, option));
    expectedDirMap.put(file1.getFileName(), VisitOption.VISIT_FILE);
    expectedDirMap.put(file2.getFileName(), VisitOption.POST_VISIT_DIRECTORY);
    expectedDirMap.put(dir3.getFileName(), VisitOption.POST_VISIT_DIRECTORY);
    assertEquals(expectedDirMap, dirMap);
}

Example 14 with FileVisitOption

use of java.nio.file.FileVisitOption in project j2objc by google.

the class Files2Test method test_walkFileTree_maximumDepth.

@Test
public void test_walkFileTree_maximumDepth() throws IOException {
    // Directory structure.
    // root
    // ├── dir1
    // │   ├── dir2
    // │   │   ├── dir3
    // │   │   └── file5
    // │   ├── dir4
    // │   └── file3
    // ├── dir5
    // └── file1
    // 
    // depth will be 2. file5, dir3 is not reachable.
    // Directory Setup.
    Path rootDir = filesSetup.getPathInTestDir("root");
    Path dir1 = filesSetup.getPathInTestDir("root/dir1");
    Path dir2 = filesSetup.getPathInTestDir("root/dir1/dir2");
    Path dir3 = filesSetup.getPathInTestDir("root/dir1/dir2/dir3");
    Path dir4 = filesSetup.getPathInTestDir("root/dir1/dir4");
    Path dir5 = filesSetup.getPathInTestDir("root/dir5");
    Path file1 = filesSetup.getPathInTestDir("root/file1");
    Path file3 = filesSetup.getPathInTestDir("root/dir1/file3");
    Path file5 = filesSetup.getPathInTestDir("root/dir1/dir2/file5");
    Files.createDirectories(dir3);
    Files.createDirectories(dir4);
    Files.createDirectories(dir5);
    Files.createFile(file1);
    Files.createFile(file3);
    Files.createFile(file5);
    Map<Object, VisitOption> dirMap = new HashMap<>();
    Map<Object, VisitOption> expectedDirMap = new HashMap<>();
    Set<FileVisitOption> option = new HashSet<>();
    option.add(FileVisitOption.FOLLOW_LINKS);
    Files.walkFileTree(rootDir, option, 2, new Files2Test.TestFileVisitor(dirMap));
    assertTrue(Files.isDirectory(dir4));
    expectedDirMap.put(rootDir.getFileName(), VisitOption.POST_VISIT_DIRECTORY);
    expectedDirMap.put(dir1.getFileName(), VisitOption.POST_VISIT_DIRECTORY);
    // Both of the directories are at maximum depth, therefore, will be treated as simple file.
    expectedDirMap.put(dir2.getFileName(), VisitOption.VISIT_FILE);
    expectedDirMap.put(dir4.getFileName(), VisitOption.VISIT_FILE);
    expectedDirMap.put(dir5.getFileName(), VisitOption.POST_VISIT_DIRECTORY);
    expectedDirMap.put(file1.getFileName(), VisitOption.VISIT_FILE);
    expectedDirMap.put(file3.getFileName(), VisitOption.VISIT_FILE);
    assertEquals(expectedDirMap, dirMap);
}

Example 15 with FileVisitOption

use of java.nio.file.FileVisitOption in project j2objc by google.

the class Files2Test method test_walkFileTree$Path$FileVisitor_FileSystemLoopException.

@Test
public void test_walkFileTree$Path$FileVisitor_FileSystemLoopException() throws IOException {
    // Directory structure.
    // .
    // ├── DATA_FILE
    // └── root
    // └── dir1
    // └── file1
    // 
    // file1 is symlink to dir1
    // Directory Setup.
    Path rootDir = filesSetup.getPathInTestDir("root");
    Path dir1 = filesSetup.getPathInTestDir("root/dir1");
    Path file1 = filesSetup.getPathInTestDir("root/dir1/file1");
    Files.createDirectories(dir1);
    Files.createSymbolicLink(file1, dir1.toAbsolutePath());
    assertEquals(dir1.getFileName(), Files.readSymbolicLink(file1).getFileName());
    Map<Object, VisitOption> dirMap = new HashMap<>();
    Set<FileVisitOption> option = new HashSet<>();
    option.add(FileVisitOption.FOLLOW_LINKS);
    try {
        Files.walkFileTree(rootDir, option, Integer.MAX_VALUE, new Files2Test.TestFileVisitor(dirMap));
        fail();
    } catch (FileSystemLoopException expected) {
    }
}