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.util.servlet.filters;
21  
22  import java.util.Collections;
23  import java.util.Enumeration;
24  import java.util.LinkedHashMap;
25  import java.util.Map;
26  
27  import javax.servlet.FilterConfig;
28  import javax.servlet.ServletContext;
29  
30  /**
31   * <a href="DynamicFilterConfig.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Brian Wing Shun Chan
34   * @author Bruno Farache
35   *
36   */
37  public class DynamicFilterConfig implements FilterConfig {
38  
39      public DynamicFilterConfig(FilterConfig filterConfig) {
40          Enumeration<String> enu = filterConfig.getInitParameterNames();
41  
42          while (enu.hasMoreElements()) {
43              String name = enu.nextElement();
44  
45              addInitParameter(name, filterConfig.getInitParameter(name));
46          }
47      }
48  
49      public DynamicFilterConfig(
50          String filterName, ServletContext servletContext) {
51  
52          _filterName = filterName;
53          _servletContext = servletContext;
54      }
55  
56      public String getFilterName() {
57          return _filterName;
58      }
59  
60      public ServletContext getServletContext() {
61          return _servletContext;
62      }
63  
64      public void addInitParameter(String name, String value) {
65          _parameters.put(name, value);
66      }
67  
68      public String getInitParameter(String name) {
69          return _parameters.get(name);
70      }
71  
72      public Enumeration<String> getInitParameterNames() {
73          return Collections.enumeration(_parameters.keySet());
74      }
75  
76      private String _filterName;
77      private ServletContext _servletContext;
78      private Map<String, String> _parameters =
79          new LinkedHashMap<String, String>();
80  
81  }