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1
14
15 package com.jdon.aop.reflection;
16
17 import java.lang.reflect.Method  ;
18
19 import com.jdon.bussinessproxy.TargetMetaDef;
20 import com.jdon.bussinessproxy.meta.MethodMetaArgs;
21 import com.jdon.bussinessproxy.target.TargetServiceFactory;
22 import com.jdon.container.ContainerWrapper;
23 import com.jdon.container.access.TargetMetaRequest;
24 import com.jdon.container.visitor.ComponentVisitor;
25 import com.jdon.util.Debug;
26
27 public class MethodConstructor {
28
29 private final static String module = MethodConstructor.class.getName();
30
31 private MethodInvokerUtil methodInvokerUtil = new MethodInvokerUtil();
32
33
34
35
38 public MethodInvokerUtil getMethodInvokerUtil() {
39 return methodInvokerUtil;
40 }
41
42
51 public Method createMethod(TargetServiceFactory targetServiceFactory,
52 TargetMetaRequest targetMetaRequest) {
53 Method method = null;
54 Debug.logVerbose("[JdonFramework] enter create the Method " , module);
55 try {
56 if (targetMetaRequest.getTargetMetaDef().isEJB()) {
57 Object obj= methodInvokerUtil.createTargetObject(targetServiceFactory, targetMetaRequest);
58 method = createObjectMethod(obj, targetMetaRequest.getMethodMetaArgs());
59 }else{
60 method = createPojoMethod(targetMetaRequest);
61 }
62 } catch (Exception ex) {
63 Debug.logError("[JdonFramework] createMethod error: " + ex, module);
64 }
65
66 return method;
67
68 }
69
70
71
77 public Method createPojoMethod(TargetMetaRequest targetMetaRequest) {
78 Method method = null;
79 TargetMetaDef targetMetaDef = targetMetaRequest.getTargetMetaDef();
80 MethodMetaArgs methodMetaArgs = targetMetaRequest.getMethodMetaArgs();
81 Debug.logVerbose("[JdonFramework] createPOJO Method :" + methodMetaArgs.getMethodName() + " for target service: " + targetMetaDef.getName(), module);
82 try {
83 ComponentVisitor cm = targetMetaRequest.getComponentVisitor();
84 Class thisCLass = cm.getContainerWrapper().getComponentClass(targetMetaDef.getName());
85 if (thisCLass == null) return null;
86 method = thisCLass.getMethod(methodMetaArgs.getMethodName(),
87 methodMetaArgs.getParamTypes());
88 } catch (NoSuchMethodException ne) {
89 Debug.logError("[JdonFramework] method name:"
90 + methodMetaArgs.getMethodName() + " or method parameters type don't match with your service's method", module);
91 Object types[] = methodMetaArgs.getParamTypes();
92 for(int i = 0; i<types.length; i ++){
93 Debug.logError("[JdonFramework]service's method parameter type must be:" + types[i] + "; ", module);
94 }
95 } catch (Exception ex) {
96 Debug.logError("[JdonFramework] createPojoMethod error: " + ex, module);
97 }
98
99 return method;
100
101 }
102
103
109 public Method createObjectMethod(Object ownerClass, MethodMetaArgs methodMetaArgs) {
110 Method m = null;
111 try {
112 m = ownerClass.getClass().getMethod(methodMetaArgs.getMethodName(),
113 methodMetaArgs.getParamTypes());
114 } catch (NoSuchMethodException nsme) {
115 String errS = " NoSuchMethod:" + methodMetaArgs.getMethodName() + " in MethodMetaArgs of className:"
116 + ownerClass.getClass().getName();
117 Debug.logError(errS, module);
118 } catch (Exception ex) {
119 Debug.logError("[JdonFramework] createMethod error:" + ex, module);
120 }
121 return m;
122 }
123
124
131 public Method createObjectMethod(Object ownerClass, String methodName,
132 Class [] paramTypes) {
133 Method m = null;
134 try {
135 m = ownerClass.getClass().getMethod(methodName, paramTypes);
136 } catch (NoSuchMethodException nsme) {
137 String errS = " NoSuchMethod:" + methodName + " in className:"
138 + ownerClass.getClass().getName() + " or method's args type error";
139 Debug.logError(errS, module);
140 } catch (Exception ex) {
141 Debug.logError("[JdonFramework] createMethod error:" + ex, module);
142 }
143 return m;
144 }
145
146 }
147 |
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