Method resolveLink

lib/java/io/File.java:630–662

(byte[] pathBytes, int length,
            boolean resolveAbsolute)

     * directories if resolveAbsolute is true.
     */
    private byte[] resolveLink(byte[] pathBytes, int length,
            boolean resolveAbsolute) throws IOException {
        boolean restart = false;
        byte[] linkBytes, temp;
        do {
            linkBytes = getLinkImpl(pathBytes);
            if (linkBytes == pathBytes) {
                break;
            }
            if (linkBytes[0] == separatorChar) {
                // link to an absolute path, if resolving absolute paths,
                // resolve the parent dirs again
                restart = resolveAbsolute;
                pathBytes = linkBytes;
            } else {
                int last = length - 1;
                while (pathBytes[last] != separatorChar) {
                    last--;
                }
                last++;
                temp = new byte[last + linkBytes.length];
                System.arraycopy(pathBytes, 0, temp, 0, last);
                System.arraycopy(linkBytes, 0, temp, last, linkBytes.length);
                pathBytes = temp;
            }
            length = pathBytes.length;
        } while (existsImpl(pathBytes));
        // resolve the parent directories
        if (restart) {
            return resolve(pathBytes);
        }
        return pathBytes;
    }

    /**
     * Returns a new file created using the canonical path of this file.