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.util;
21  
22  import com.liferay.portal.kernel.log.Log;
23  import com.liferay.portal.kernel.log.LogFactoryUtil;
24  import com.liferay.portal.kernel.util.StringUtil;
25  
26  import java.io.IOException;
27  
28  import java.util.HashMap;
29  import java.util.Map;
30  
31  /**
32   * <a href="ContentUtil.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Brian Wing Shun Chan
35   * @author Raymond Augé
36   *
37   */
38  public class ContentUtil {
39  
40      public static String get(String location) {
41          return _instance._get(location, false);
42      }
43  
44      public static String get(String location, boolean all) {
45          return _instance._get(location, all);
46      }
47  
48      public static String get(ClassLoader classLoader, String location) {
49          return _instance._get(classLoader, location, false);
50      }
51  
52      public static String get(
53          ClassLoader classLoader, String location, boolean all) {
54  
55          return _instance._get(classLoader, location, all);
56      }
57  
58      private ContentUtil() {
59          _contentPool = new HashMap<String, String>();
60      }
61  
62      private String _get(String location, boolean all) {
63          return _get(getClass().getClassLoader(), location, all);
64      }
65  
66      private String _get(ClassLoader classLoader, String location, boolean all) {
67          String content = _contentPool.get(location);
68  
69          if (content == null) {
70              try {
71                  content = StringUtil.read(classLoader, location, all);
72  
73                  _put(location, content);
74              }
75              catch (IOException ioe) {
76                  _log.error(ioe, ioe);
77              }
78          }
79  
80          return content;
81      }
82  
83      private void _put(String location, String content) {
84          _contentPool.put(location, content);
85      }
86  
87      private static Log _log = LogFactoryUtil.getLog(ContentUtil.class);
88  
89      private static ContentUtil _instance = new ContentUtil();
90  
91      private Map<String, String> _contentPool;
92  
93  }