Example usage for org.apache.hadoop.fs FSLinkResolver qualifySymlinkTarget

Introduction

In this page you can find the example usage for org.apache.hadoop.fs FSLinkResolver qualifySymlinkTarget.

Prototype

public static Path qualifySymlinkTarget(final URI pathURI, Path pathWithLink, Path target) 

Source Link

Document

Return a fully-qualified version of the given symlink target if it has no scheme and authority.

Usage

From source file:com.mellanox.r4h.DistributedFileSystem.java

License:Apache License

@Override
public FileStatus getFileLinkStatus(final Path f)
        throws AccessControlException, FileNotFoundException, UnsupportedFileSystemException, IOException {
    statistics.incrementReadOps(1);//  w w w . j av  a  2 s  .  c  om
    final Path absF = fixRelativePart(f);
    FileStatus status = new FileSystemLinkResolver<FileStatus>() {
        @Override
        public FileStatus doCall(final Path p) throws IOException, UnresolvedLinkException {
            HdfsFileStatus fi = dfs.getFileLinkInfo(getPathName(p));
            if (fi != null) {
                return fi.makeQualified(getUri(), p);
            } else {
                throw new FileNotFoundException("File does not exist: " + p);
            }
        }

        @Override
        public FileStatus next(final FileSystem fs, final Path p) throws IOException, UnresolvedLinkException {
            return fs.getFileLinkStatus(p);
        }
    }.resolve(this, absF);
    // Fully-qualify the symlink
    if (status.isSymlink()) {
        Path targetQual = FSLinkResolver.qualifySymlinkTarget(this.getUri(), status.getPath(),
                status.getSymlink());
        status.setSymlink(targetQual);
    }
    return status;
}

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