--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/classes/sun/nio/fs/UnixUriUtils.java Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,216 @@
+/*
+ * Copyright 2008-2009 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.nio.fs;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+/**
+ * Unix specific Path <--> URI conversion
+ */
+
+class UnixUriUtils {
+ private UnixUriUtils() { }
+
+ /**
+ * Converts URI to Path
+ */
+ static UnixPath fromUri(UnixFileSystem fs, URI uri) {
+ if (!uri.isAbsolute())
+ throw new IllegalArgumentException("URI is not absolute");
+ if (uri.isOpaque())
+ throw new IllegalArgumentException("URI is not hierarchical");
+ String scheme = uri.getScheme();
+ if ((scheme == null) || !scheme.equalsIgnoreCase("file"))
+ throw new IllegalArgumentException("URI scheme is not \"file\"");
+ if (uri.getAuthority() != null)
+ throw new IllegalArgumentException("URI has an authority component");
+ if (uri.getFragment() != null)
+ throw new IllegalArgumentException("URI has a fragment component");
+ if (uri.getQuery() != null)
+ throw new IllegalArgumentException("URI has a query component");
+
+ String path = uri.getPath();
+ if (path.equals(""))
+ throw new IllegalArgumentException("URI path component is empty");
+ if (path.endsWith("/") && (path.length() > 1)) {
+ // "/foo/" --> "/foo", but "/" --> "/"
+ path = path.substring(0, path.length() - 1);
+ }
+
+ // preserve bytes
+ byte[] result = new byte[path.length()];
+ for (int i=0; i<path.length(); i++) {
+ byte v = (byte)(path.charAt(i));
+ if (v == 0)
+ throw new IllegalArgumentException("Nul character not allowed");
+ result[i] = v;
+ }
+ return new UnixPath(fs, result);
+ }
+
+ /**
+ * Converts Path to URI
+ */
+ static URI toUri(UnixPath up) {
+ byte[] path = up.toAbsolutePath().asByteArray();
+ StringBuilder sb = new StringBuilder("file:///");
+ assert path[0] == '/';
+ for (int i=1; i<path.length; i++) {
+ char c = (char)(path[i] & 0xff);
+ if (match(c, L_PATH, H_PATH)) {
+ sb.append(c);
+ } else {
+ sb.append('%');
+ sb.append(hexDigits[(c >> 4) & 0x0f]);
+ sb.append(hexDigits[(c >> 0) & 0x0f]);
+ }
+ }
+
+ // trailing slash if directory
+ if (sb.charAt(sb.length()-1) != '/') {
+ try {
+ if (UnixFileAttributes.get(up, true).isDirectory())
+ sb.append('/');
+ } catch (UnixException x) {
+ // ignore
+ }
+ }
+
+ try {
+ return new URI(sb.toString());
+ } catch (URISyntaxException x) {
+ throw new AssertionError(x); // should not happen
+ }
+ }
+
+ // The following is copied from java.net.URI
+
+ // Compute the low-order mask for the characters in the given string
+ private static long lowMask(String chars) {
+ int n = chars.length();
+ long m = 0;
+ for (int i = 0; i < n; i++) {
+ char c = chars.charAt(i);
+ if (c < 64)
+ m |= (1L << c);
+ }
+ return m;
+ }
+
+ // Compute the high-order mask for the characters in the given string
+ private static long highMask(String chars) {
+ int n = chars.length();
+ long m = 0;
+ for (int i = 0; i < n; i++) {
+ char c = chars.charAt(i);
+ if ((c >= 64) && (c < 128))
+ m |= (1L << (c - 64));
+ }
+ return m;
+ }
+
+ // Compute a low-order mask for the characters
+ // between first and last, inclusive
+ private static long lowMask(char first, char last) {
+ long m = 0;
+ int f = Math.max(Math.min(first, 63), 0);
+ int l = Math.max(Math.min(last, 63), 0);
+ for (int i = f; i <= l; i++)
+ m |= 1L << i;
+ return m;
+ }
+
+ // Compute a high-order mask for the characters
+ // between first and last, inclusive
+ private static long highMask(char first, char last) {
+ long m = 0;
+ int f = Math.max(Math.min(first, 127), 64) - 64;
+ int l = Math.max(Math.min(last, 127), 64) - 64;
+ for (int i = f; i <= l; i++)
+ m |= 1L << i;
+ return m;
+ }
+
+ // Tell whether the given character is permitted by the given mask pair
+ private static boolean match(char c, long lowMask, long highMask) {
+ if (c < 64)
+ return ((1L << c) & lowMask) != 0;
+ if (c < 128)
+ return ((1L << (c - 64)) & highMask) != 0;
+ return false;
+ }
+
+ // digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" |
+ // "8" | "9"
+ private static final long L_DIGIT = lowMask('0', '9');
+ private static final long H_DIGIT = 0L;
+
+ // upalpha = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" |
+ // "J" | "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" |
+ // "S" | "T" | "U" | "V" | "W" | "X" | "Y" | "Z"
+ private static final long L_UPALPHA = 0L;
+ private static final long H_UPALPHA = highMask('A', 'Z');
+
+ // lowalpha = "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" |
+ // "j" | "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" |
+ // "s" | "t" | "u" | "v" | "w" | "x" | "y" | "z"
+ private static final long L_LOWALPHA = 0L;
+ private static final long H_LOWALPHA = highMask('a', 'z');
+
+ // alpha = lowalpha | upalpha
+ private static final long L_ALPHA = L_LOWALPHA | L_UPALPHA;
+ private static final long H_ALPHA = H_LOWALPHA | H_UPALPHA;
+
+ // alphanum = alpha | digit
+ private static final long L_ALPHANUM = L_DIGIT | L_ALPHA;
+ private static final long H_ALPHANUM = H_DIGIT | H_ALPHA;
+
+ // mark = "-" | "_" | "." | "!" | "~" | "*" | "'" |
+ // "(" | ")"
+ private static final long L_MARK = lowMask("-_.!~*'()");
+ private static final long H_MARK = highMask("-_.!~*'()");
+
+ // unreserved = alphanum | mark
+ private static final long L_UNRESERVED = L_ALPHANUM | L_MARK;
+ private static final long H_UNRESERVED = H_ALPHANUM | H_MARK;
+
+ // pchar = unreserved | escaped |
+ // ":" | "@" | "&" | "=" | "+" | "$" | ","
+ private static final long L_PCHAR
+ = L_UNRESERVED | lowMask(":@&=+$,");
+ private static final long H_PCHAR
+ = H_UNRESERVED | highMask(":@&=+$,");
+
+ // All valid path characters
+ private static final long L_PATH = L_PCHAR | lowMask(";/");
+ private static final long H_PATH = H_PCHAR | highMask(";/");
+
+ private final static char[] hexDigits = {
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
+ };
+}