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1
29
30 package com.caucho.aop;
31
32 import java.io.IOException;
33
34 import com.caucho.bytecode.JClass;
35 import com.caucho.bytecode.JMethod;
36
37 import com.caucho.java.JavaWriter;
38
39 import com.caucho.java.gen.ClassComponent;
40
41 import com.caucho.util.L10N;
42
43
46 public class AopVarComponent extends ClassComponent {
47 private static final L10N L = new L10N(AopVarComponent.class);
48
49 private String _fieldName;
50 private JMethod _apiMethod;
51 private JMethod _implMethod;
52 private boolean _isStatic = true;
53
54
57 public AopVarComponent(JMethod apiMethod, JMethod implMethod)
58 {
59 _apiMethod = apiMethod;
60 _implMethod = implMethod;
61 }
62
63
66 public void setStatic(boolean isStatic)
67 {
68 _isStatic = isStatic;
69 }
70
71
74 public String getFieldName()
75 {
76 return _fieldName;
77 }
78
79
82 public JMethod getMethod()
83 {
84 return _apiMethod;
85 }
86
87
92 public void generate(JavaWriter out)
93 throws IOException
94 {
95 _fieldName = "__caucho_aop_" + out.generateId();
96
97 generateInterceptors(out);
98 }
99
100 private void generateInterceptors(JavaWriter out)
101 throws IOException
102 {
103 JMethod jMethod = getMethod();
104
105 out.println();
106 out.println("private static class " + _fieldName + " extends com.caucho.aop.MethodInvocationImpl {");
107 out.pushDepth();
108 out.print("private static java.lang.reflect.Method _method = getMethod(");
109 out.print(jMethod.getDeclaringClass().getName() + ".class");
110
111 out.print(", \"" + jMethod.getName() + "\", new Class[] {");
112 JClass []types = jMethod.getParameterTypes();
113 for (int i = 0; i < types.length; i++) {
114 if (i != 0)
115 out.print(", ");
116 out.print(types[i].getPrintName());
117 out.print(".class");
118 }
119 out.println("});");
120 out.print("private static java.lang.reflect.Method _superMethod = getMethod(");
121 out.print(jMethod.getDeclaringClass().getName() + ".class");
122
123 out.print(", \"" + jMethod.getName() + "__super\", new Class[] {");
124 for (int i = 0; i < types.length; i++) {
125 if (i != 0)
126 out.print(", ");
127 out.print(types[i].getPrintName());
128 out.print(".class");
129 }
130 out.println("});");
131
132 out.println();
133 if (_isStatic)
134 out.print("static ");
135 else
136 out.print("transient ");
137
138 out.println("final org.aopalliance.intercept.MethodInterceptor _interceptor = com.caucho.aop.MethodInterceptorBuilder.create(_method);");
139
140 out.println();
141 out.print(_fieldName + "(");
142
143 out.print("Object t");
144
145 JClass []parameterTypes = jMethod.getParameterTypes();
146 for (int i = 0; i < parameterTypes.length; i++) {
147 out.print(", ");
148
149 out.print(parameterTypes[i].getPrintName());
150
151 out.print(" a" + i);
152 }
153
154 out.println(")");
155 out.println("{");
156 out.pushDepth();
157
158 out.print("super(t, new Object[] { ");
159
160 for (int i = 0; i < parameterTypes.length; i++) {
161 if (i != 0)
162 out.print(", ");
163
164 JClass type = parameterTypes[i];
165
166 if ("boolean".equals(type.getName()))
167 out.print("new Boolean(a" + i + ")");
168 else if ("byte".equals(type.getName()))
169 out.print("new Byte(a" + i + ")");
170 else if ("short".equals(type.getName()))
171 out.print("new Short(a" + i + ")");
172 else if ("int".equals(type.getName()))
173 out.print("new Integer(a" + i + ")");
174 else if ("long".equals(type.getName()))
175 out.print("new Long(a" + i + ")");
176 else if ("float".equals(type.getName()))
177 out.print("new Float(a" + i + ")");
178 else if ("double".equals(type.getName()))
179 out.print("new Double(a" + i + ")");
180 else if ("char".equals(type.getName()))
181 out.print("new Character(a" + i + ")");
182 else
183 out.print("a" + i);
184 }
185 out.println("});");
186
187 out.popDepth();
188 out.println("}");
189
190 out.println();
191 out.println("public java.lang.reflect.Method getMethod() { return _method; }");
192 out.println("protected java.lang.reflect.Method getSuperMethod() { return _superMethod; }");
193
194 out.popDepth();
195 out.println("}");
196 }
197 }
198 |
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