1 /*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.xml.internal.messaging.saaj.util;
27
28
29 // Cut&paste from sun.net.www.ParseUtil: decode, unescape
30
31 public class ParseUtil {
32 /**
33 * Un-escape and return the character at position i in string s.
34 */
35 private static char unescape(String s, int i) {
36 return (char) Integer.parseInt(s.substring(i+1,i+3),16);
37 }
38
39 /**
40 * Returns a new String constructed from the specified String by replacing
41 * the URL escape sequences and UTF8 encoding with the characters they
42 * represent.
43 */
44 public static String decode(String s) {
45 StringBuilder sb = new StringBuilder();
46
47 int i=0;
48 while (i<s.length()) {
49 char c = s.charAt(i);
50 char c2, c3;
51
52 if (c != '%') {
53 i++;
54 } else {
55 try {
56 c = unescape(s, i);
57 i += 3;
58
59 if ((c & 0x80) != 0) {
60 switch (c >> 4) {
61 case 0xC: case 0xD:
62 c2 = unescape(s, i);
|
1 /*
2 * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.xml.internal.messaging.saaj.util;
27
28
29 // Cut&paste from sun.net.www.ParseUtil: decode, unescape
30
31 public class ParseUtil {
32 /**
33 * Un-escape and return the character at position i in string s.
34 */
35 private static char unescape(String s, int i) {
36 return (char) Integer.parseInt(s.substring(i+1,i+3),16);
37 }
38
39 /**
40 * Returns a new String constructed from the specified String by replacing
41 * the URL escape sequences and UTF8 encoding with the characters they
42 * represent.
43 *
44 * @param s string
45 *
46 * @return decoded string
47 */
48 public static String decode(String s) {
49 StringBuilder sb = new StringBuilder();
50
51 int i=0;
52 while (i<s.length()) {
53 char c = s.charAt(i);
54 char c2, c3;
55
56 if (c != '%') {
57 i++;
58 } else {
59 try {
60 c = unescape(s, i);
61 i += 3;
62
63 if ((c & 0x80) != 0) {
64 switch (c >> 4) {
65 case 0xC: case 0xD:
66 c2 = unescape(s, i);
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