InternalAjaxFilter


1   /*
2    * Copyright 2007 Tim Peierls
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.directwebremoting.guice;
17  
18  import com.google.inject.Provider;
19  
20  import java.lang.reflect.Method  ;
21  
22  import org.directwebremoting.AjaxFilter;
23  import org.directwebremoting.AjaxFilterChain;
24  import org.directwebremoting.extend.AjaxFilterManager;
25  
26  /**
27   * Specialized Ajax filter implementation that uses a Provider to
28   * look up instances to delegate to. This class is used by 
29   * {@link InternalAjaxFilterManager}.
30   * @author Tim Peierls [tim at peierls dot net]
31   */
32  class InternalAjaxFilter implements AjaxFilter
33  {
34      InternalAjaxFilter(Provider<AjaxFilter> provider)
35      {
36          this.provider = provider;
37      }
38  
39      public Object   doFilter(Object   obj, Method   method, Object  [] params, AjaxFilterChain chain) 
40          throws Exception  
41      {
42          return provider.get().doFilter(obj, method, params, chain);
43      }
44      
45      private final Provider<AjaxFilter> provider;
46  }
47

A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame

Popular Tags