DynamicProxyWeaving


1   /**
2    * Copyright 2003-2006 the original author or authors.
3    * Licensed under the Apache License, Version 2.0 (the "License");
4    * you may not use this file except in compliance with the License.
5    * You may obtain a copy of the License at
6   
7          http://www.apache.org/licenses/LICENSE-2.0
8   
9     * Unless required by applicable law or agreed to in writing, software
10    * distributed under the License is distributed on an "AS IS" BASIS,
11    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12    * See the License for the specific language governing permissions and
13    * limitations under the License.
14    */
15  
16  package com.jdon.bussinessproxy.dyncproxy;
17  
18  import java.lang.reflect.InvocationHandler  ;
19  import java.lang.reflect.Method  ;
20  
21  import com.jdon.aop.AopClient;
22  import com.jdon.container.access.TargetMetaRequest;
23  import com.jdon.util.Debug;
24  
25  
26  /**
27    * Dynamic Proxy Weaving mode
28    * Weaving implemention is dynamic proxy
29    * Every target service object has its DynamicProxyWeaving object
30    *
31   * 动�?代�?�类 �?�实现AOP拦截
32   * @author banq
33   */
34  
35  public class DynamicProxyWeaving implements InvocationHandler  , java.io.Serializable   {
36  
37    private final static String   module = DynamicProxyWeaving.class.getName();
38  
39    private AopClient aopClient;
40    private TargetMetaRequest targetMetaRequest;
41  
42    public DynamicProxyWeaving(TargetMetaRequest targetMetaRequest, AopClient aopClient) {
43      this.targetMetaRequest = targetMetaRequest;
44      this.aopClient = aopClient;
45    }
46    
47    /**
48     * 方法调用
49     * 需�?拦截方法在这里实现。目�?实现arround intercept
50     * @param p_proxy Object
51     * @param m Method
52     * @param args Object[]
53     * @throws Throwable
54     * @return Object
55     */
56    public Object   invoke(Object   p_proxy, Method   m, Object  [] args) throws
57        Throwable   {
58      Debug.logVerbose("<################################>Action: JdonFramework core entrance", module);  
59      Debug.logVerbose("[JdonFramework]<################>execute method=" + m.getDeclaringClass().getName() + "." + m.getName() , module);
60      Object   result = null;
61      try {
62        result = aopClient.invoke(targetMetaRequest, m, args);
63        Debug.logVerbose("[JdonFramework]<################>finish executing method=" + m.getDeclaringClass().getName() + "." + m.getName() + " successfully!", module);
64        Debug.logVerbose("<################################><end:", module);
65      } catch (Exception   ex) {
66        Debug.logError(ex, module);
67      } catch (Throwable   ex) {
68        throw new Throwable  (ex);
69      }
70  
71      return result;
72  
73    }
74      
75  
76  }
77
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Free Books Free Magazines
Popular Tags