Example usage for java.nio.file Files isSymbolicLink

List of usage examples for java.nio.file Files isSymbolicLink

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Introduction

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

Prototype

public static boolean isSymbolicLink(Path path)

Source Link

Document

Tests whether a file is a symbolic link.

Usage

From source file:hudson.UtilSEC904Test.java

@Test
public void resolveSymlinkToFile() throws Exception {
    //  root/*w w  w  .  ja v a 2 s  .c om*/
    //      /a
    //          /aa
    //              aa.txt
    //          /_b => symlink to /root/b
    //      /b
    //          /_a => symlink to /root/a
    File root = tmp.getRoot();
    File a = new File(root, "a");
    File aa = new File(a, "aa");
    aa.mkdirs();
    File aaTxt = new File(aa, "aa.txt");
    FileUtils.write(aaTxt, "aa");

    File b = new File(root, "b");
    b.mkdir();

    File _a = new File(b, "_a");
    Util.createSymlink(_a.getParentFile(), a.getAbsolutePath(), _a.getName(), TaskListener.NULL);

    File _b = new File(a, "_b");
    Util.createSymlink(_b.getParentFile(), b.getAbsolutePath(), _b.getName(), TaskListener.NULL);

    assertTrue(Files.isSymbolicLink(_a.toPath()));
    assertTrue(Files.isSymbolicLink(_b.toPath()));

    // direct symlinks are resolved
    assertEquals(Util.resolveSymlinkToFile(_a), a);
    assertEquals(Util.resolveSymlinkToFile(_b), b);

    // intermediate symlinks are NOT resolved
    assertNull(Util.resolveSymlinkToFile(new File(_a, "aa")));
    assertNull(Util.resolveSymlinkToFile(new File(_a, "aa/aa.txt")));
}

From source file:controller.FileWatcher.java

@Override
public void onFileCreate(File arg0) {
    String log = "File is created " + arg0.getAbsolutePath() + "\n";
    System.out.println(log);//from ww  w . java2 s .c  o  m
    jTextArea1.append(log);
    if (!Files.isSymbolicLink(arg0.toPath())) {
        String fileName = ServerUtil.convertPath(arg0.getAbsolutePath(), MyDropboxSwing.urls);
        FileCreate fileCreate = new FileCreate(fileName, Constants.IS_FILE);
        lstCommit.add(fileCreate);
    }
}

From source file:org.sonar.process.FileUtils.java

/**
 * Deletes a directory recursively. Does not support symbolic link to directories.
 *
 * @param directory  directory to delete
 * @throws IOException in case deletion is unsuccessful
 *//* w w w  . ja  va  2s .co m*/
public static void deleteDirectory(File directory) throws IOException {
    requireNonNull(directory, DIRECTORY_CAN_NOT_BE_NULL);

    if (!directory.exists()) {
        return;
    }

    Path path = directory.toPath();
    if (Files.isSymbolicLink(path)) {
        throw new IOException(format("Directory '%s' is a symbolic link", directory));
    }
    if (directory.isFile()) {
        throw new IOException(format("Directory '%s' is a file", directory));
    }
    deleteDirectoryImpl(path);

    if (directory.exists()) {
        throw new IOException(format("Unable to delete directory '%s'", directory));
    }
}

From source file:com.liferay.sync.engine.util.FileUtil.java

public static boolean isIgnoredFilePath(Path filePath) throws Exception {
    String fileName = String.valueOf(filePath.getFileName());

    if (_syncFileIgnoreNames.contains(fileName)
            || (PropsValues.SYNC_FILE_IGNORE_HIDDEN && Files.isHidden(filePath))
            || Files.isSymbolicLink(filePath) || fileName.endsWith(".lnk")) {

        return true;
    }//from w ww. j a  v a2  s. co  m

    return false;
}

From source file:controller.FileWatcher.java

@Override
public void onFileDelete(File arg0) {
    if (!Files.isSymbolicLink(arg0.toPath())) {
        String fileName = ServerUtil.convertPath(arg0.getAbsolutePath(), MyDropboxSwing.urls);
        FileDelete fileDelete = new FileDelete(fileName, Constants.IS_FILE);
        lstCommit.add(fileDelete);//from ww w .  j a va 2s  .  co m
    }
}

From source file:org.apache.solr.util.FileUtils.java

public static Path createDirectories(Path path) throws IOException {
    if (Files.exists(path) && Files.isSymbolicLink(path)) {
        Path real = path.toRealPath();
        if (Files.isDirectory(real))
            return real;
        throw new FileExistsException(
                "Tried to create a directory at to an existing non-directory symlink: " + path.toString());
    }//www  .jav a  2s .co  m
    return Files.createDirectories(path);
}

From source file:org.sonar.core.util.FileUtils.java

private static void deleteDirectoryImpl(Path path) throws IOException {
    requireNonNull(path, DIRECTORY_CAN_NOT_BE_NULL);
    File file = path.toFile();//from w w w .  j  a  v  a2s  .  c o m
    if (!file.exists()) {
        return;
    }

    checkIO(!Files.isSymbolicLink(path), "Directory '%s' is a symbolic link", path);
    checkIO(!file.isFile(), "Directory '%s' is a file", path);

    Files.walkFileTree(path, DeleteRecursivelyFileVisitor.INSTANCE);

    checkIO(!file.exists(), "Unable to delete directory '%s'", path);
}

From source file:nl.mpi.lamus.filesystem.implementation.LamusWorkspaceFileHandler.java

/**
 * @see WorkspaceFileHandler#moveFile(java.io.File, java.io.File)
 *//* ww  w .j a va  2 s. c  om*/
@Override
public void moveFile(File originNodeFile, File targetNodeFile) throws IOException {
    //file was probably not uploaded via lamus. Move target file if symbolic link
    if (Files.isSymbolicLink(originNodeFile.toPath())) {
        File originLinkToNodeFile = originNodeFile;
        originNodeFile = Files.readSymbolicLink(originNodeFile.toPath()).toFile();
        moveOrCopyFile(originNodeFile, targetNodeFile);
        Files.delete(originLinkToNodeFile.toPath());
    } else {
        moveOrCopyFile(originNodeFile, targetNodeFile);
    }
}

From source file:VOBackupFile.java

/**
 * Wrapper for metadata of backuped file.
 *
 * @param file backuped file//  w  ww  .j a va  2  s . c o m
 */
public VOBackupFile(File file) {
    this.path = file.getAbsolutePath();
    this.directory = file.isDirectory();
    this.symLink = Files.isSymbolicLink(file.toPath());

    this.size = ((file.isDirectory() || symLink) ? 0 : file.length());
    this.modify = new Date(file.lastModified());

    if (symLink) {
        try {
            symlinkTarget = Files.readSymbolicLink(file.toPath()).toString();
        } catch (IOException e) {
            e.printStackTrace(); //TODO Lebeda - oetit do logu
        }
    } else {
        // advanced attributes

        try {

            owner = Files.getOwner(file.toPath(), LinkOption.NOFOLLOW_LINKS).getName();

            if (Files.getFileStore(file.toPath()).supportsFileAttributeView(DosFileAttributeView.class)) {
                dosAttr = Boolean.TRUE;
                final DosFileAttributes dosFileAttributes = Files.readAttributes(file.toPath(),
                        DosFileAttributes.class, LinkOption.NOFOLLOW_LINKS);

                dosArchive = dosFileAttributes.isArchive();
                dosHidden = dosFileAttributes.isHidden();
                dosSystem = dosFileAttributes.isSystem();
                dosReadOnly = dosFileAttributes.isReadOnly();
            } else {
                dosAttr = Boolean.FALSE;
            }

            if (Files.getFileStore(file.toPath()).supportsFileAttributeView(PosixFileAttributeView.class)) {
                posixAttr = Boolean.TRUE;
                final PosixFileAttributes posixFileAttributes = Files.readAttributes(file.toPath(),
                        PosixFileAttributes.class, LinkOption.NOFOLLOW_LINKS);
                posixGroup = posixFileAttributes.group().getName();
                posixPermitions = PosixFilePermissions.toString(posixFileAttributes.permissions());
            } else {
                posixAttr = Boolean.FALSE;
            }

        } catch (IOException e) {
            e.printStackTrace(); //Todo implementovat
        }
    }

}

From source file:org.dataconservancy.packaging.tool.impl.GeneralPackageDescriptionCreator.java

private void visitFile(FileContext cxt, Map<String, PackageArtifact> artifacts)
        throws PackageDescriptionCreatorException {

    try {/*from   w  w  w.jav  a 2  s.  c  o  m*/
        String path = cxt.getFile().getCanonicalPath();
        if (visitedFiles.contains(path)) {
            if (Files.isSymbolicLink(cxt.getFile().toPath())) {
                throw new PackageDescriptionCreatorException("Symbolic link cycle detected",
                        "Fix offending symbolic link at " + cxt.getFile().toString() + ", which points to "
                                + path);
            } else {
                throw new PackageDescriptionCreatorException("Symbolic link cycle detected",
                        "There is a symbolic link under " + cxt.getRoot().toString() + " which points to "
                                + path + ".  Find the link and remove it.");
            }
        } else {
            visitedFiles.add(path);
        }
    } catch (IOException e) {
        throw new PackageDescriptionCreatorException("Error determining canonical path of " + cxt.getFile(), e);
    }

    try {
        for (Rule rule : rules) {
            if (rule.select(cxt)) {
                if (Action.EXCLUDE.equals(rule.getAction())) {
                    cxt.setIgnored(true);
                    continue;
                } else if (Action.INCLUDE.equals(rule.getAction())) {
                    populate(cxt, rule, artifacts);
                }

                break;
            }
        }

    } catch (Exception e) {
        throw new PackageDescriptionCreatorException(
                "Error applying package description generation rules to pathname " + cxt.getFile().toString()
                        + ": \n" + e.getMessage(),
                e);
    }

    if (cxt.getFile().isDirectory()) {
        for (File child : cxt.getFile().listFiles()) {
            //To support the cancelling of package description creation we check here to see if the thread has been interrupted.
            if (Thread.currentThread().isInterrupted()) {
                break;
            }
            visitFile(new FileContextImpl(child, cxt.getRoot(), cxt.isIgnored()), artifacts);
        }
    }
}