| SafeProperties.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.kernel.util;
24
25 import java.util.Properties;
26
27 /**
28 * <a href="SafeProperties.java.html"><b><i>View Source</i></b></a>
29 *
30 * @author Brian Wing Shun Chan
31 */
32 public class SafeProperties extends Properties {
33
34 public SafeProperties() {
35 super();
36 }
37
38 public synchronized Object get(Object key) {
39 Object value = super.get(key);
40
41 value = _decode((String)value);
42
43 return value;
44 }
45
46 public String getEncodedProperty(String key) {
47 return super.getProperty(key);
48 }
49
50 public String getProperty(String key) {
51 return (String)get(key);
52 }
53
54 public synchronized Object put(Object key, Object value) {
55 if (key == null) {
56 return null;
57 }
58 else {
59 if (value == null) {
60 return super.remove(key);
61 }
62 else {
63 value = _encode((String)value);
64
65 return super.put(key, value);
66 }
67 }
68 }
69
70 public synchronized Object remove(Object key) {
71 if (key == null) {
72 return null;
73 }
74 else {
75 return super.remove(key);
76 }
77 }
78
79 private static String _decode(String value) {
80 return StringUtil.replace(
81 value, _SAFE_NEWLINE_CHARACTER, StringPool.NEW_LINE);
82 }
83
84 private static String _encode(String value) {
85 return StringUtil.replace(
86 value,
87 new String[] {
88 StringPool.RETURN_NEW_LINE, StringPool.NEW_LINE,
89 StringPool.RETURN
90 },
91 new String[] {
92 _SAFE_NEWLINE_CHARACTER, _SAFE_NEWLINE_CHARACTER,
93 _SAFE_NEWLINE_CHARACTER
94 });
95 }
96
97 private static final String _SAFE_NEWLINE_CHARACTER =
98 "_SAFE_NEWLINE_CHARACTER_";
99
100 }