nio/fs/WindowsPathParser.java

31  * A parser of Windows path strings
43         private final String path;
45         Result(WindowsPathType type, String root, String path) {
48             this.path = path;
52          * The path type
66          * The normalized path (includes root)
68         String path() {
69             return path;
74      * Parses the given input as a Windows path
81      * Parses the given input as a Windows path where it is known that the
82      * path is already normalized.
89      * Parses the given input as a Windows path.
92      *          Indicates if the path requires to be normalized
113                     throw new InvalidPathException(input, "UNC path is missing hostname");
118                     throw new InvalidPathException(input, "UNC path is missing sharename");
160      * Remove redundant slashes from the rest of the path, forcing all slashes
163     private static String normalize(StringBuilder sb, String path, int off) {
164         int len = path.length();
165         off = nextNonSlash(path, off, len);
169             char c = path.charAt(off);
172                     throw new InvalidPathException(path,
175                 sb.append(path, start, off);
176                 off = nextNonSlash(path, off, len);
177                 if (off != len)   //no slash at the end of normalized path
182                     throw new InvalidPathException(path,
191                 throw new InvalidPathException(path,
194             sb.append(path, start, off);
203     private static final int nextNonSlash(String path, int off, int end) {
204         while (off < end && isSlash(path.charAt(off))) { off++; }
208     private static final int nextSlash(String path, int off, int end) {
210         while (off < end && !isSlash(c=path.charAt(off))) {
212                 throw new InvalidPathException(path,
213                                                "Illegal character [" + c + "] in path",
224     // Reserved characters for window path name