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1
28
29 package com.caucho.ejb.gen;
30
31 import com.caucho.java.AbstractGenerator;
32
33 import java.io.IOException  ;
34 import java.lang.reflect.Method ;
35
36
39 class EJBHomeGenerator extends AbstractGenerator {
40 protected Class skelClass;
41 protected Class remoteClass;
42 protected String prefix = "_ejb_lh_";
43
44
47 EJBHomeGenerator(Class remoteClass, Class skelClass)
48 {
49 this.skelClass = skelClass;
50 this.remoteClass = remoteClass;
51
52 setFullClassName("_ejb." + remoteClass.getName() + "__Stub");
53 }
54
55
60 public void generateJava()
61 throws IOException
62 {
63 printHeader();
64
65 Method []methods = remoteClass.getMethods();
66 for (int i = 0; i < methods.length; i++) {
67 Method method = methods[i];
68 String methodName = method.getName();
69 Class declaringClass = method.getDeclaringClass();
70
71 if (declaringClass.getName().startsWith("javax.ejb.") &&
72 ! methodName.equals("getPrimaryKey") &&
73 ! methodName.equals("getEJBMetaData"))
74 continue;
75
76 if (methodName.startsWith("create")) {
77 printCreateMethod(method.getName(), method);
78 continue;
79 }
80
81 printMethod(method.getName(), method);
82 }
83
84 printFooter();
85 }
86
87
90 protected void printHeader()
91 throws IOException
92 {
93 if (getPackageName() != null)
94 println("package " + getPackageName() + ";");
95
96 println();
97 println("import java.io.*;");
98 println("import java.rmi.*;");
99 println("import " + skelClass.getName() + ";");
100 println("import " + remoteClass.getName() + ";");
101
102 println();
103 println("public class " + getClassName());
104 println(" extends com.caucho.ejb.SessionHome");
105 println(" implements " + remoteClass.getName());
106
107 println("{");
108 pushDepth();
109
110 println("private " + skelClass.getName() + " obj;");
111
112 println();
113 println("protected void _init(com.caucho.ejb.SessionServer server, javax.ejb.SessionBean obj)");
114 println("{");
115 println(" this.server = server;");
116 println(" this.obj = (" + skelClass.getName() + ") obj;");
117 println("}");
118 }
119
120
125 protected void printMethod(String name, Method method)
126 throws IOException
127 {
128 Class ret = method.getReturnType();
129 Class []params = method.getParameterTypes();
130
131 printMethodHeader(name, method);
132
133 println("{");
134 pushDepth();
135
136 if (! ret.getName().equals("void")) {
137 printClass(ret);
138 println(" _ret;");
139 }
140
141 if (! ret.getName().equals("void"))
142 print("_ret = ");
143
144 print("obj." + prefix + method.getName() + "(");
145 for (int i = 0; i < params.length; i++) {
146 if (i != 0)
147 print(", ");
148 print("a" + i);
149 }
150 println(");");
151
152 if (! ret.getName().equals("void"))
153 println("return _ret;");
154
155 popDepth();
156 println("}");
157 }
158
159
164 protected void printCreateMethod(String name, Method method)
165 throws IOException
166 {
167 Class ret = method.getReturnType();
168 Class []params = method.getParameterTypes();
169
170 printMethodHeader(name, method);
171
172 println("{");
173 pushDepth();
174
175 println("com.caucho.ejb.AbstractContext cxt;");
176 print("cxt = ");
177
178 print("obj." + prefix + method.getName() + "(");
179 for (int i = 0; i < params.length; i++) {
180 if (i != 0)
181 print(", ");
182 print("a" + i);
183 }
184 println(");");
185
186 println("return (" + ret.getName() + ") cxt.getEJBLocalObject();");
187
188 popDepth();
189 println("}");
190 }
191
192
195 void printFooter()
196 throws IOException
197 {
198 popDepth();
199 println("}");
200 }
201 }
202 |
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