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