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1
29
30 package com.caucho.ejb.cfg;
31
32 import com.caucho.bytecode.JClass;
33 import com.caucho.bytecode.JMethod;
34 import com.caucho.config.ConfigException;
35 import com.caucho.config.types.Signature;
36 import com.caucho.util.CharBuffer;
37 import com.caucho.util.IntMap;
38 import com.caucho.util.L10N;
39
40 import java.lang.reflect.Method  ;
41 import java.util.ArrayList ;
42
43 public class MethodSignature {
44 private static L10N L = new L10N(MethodSignature.class);
45
46 private static IntMap _methodElements;
47
48 private String _ejbName;
49 private EjbBean _bean;
50
51 private String _methodName;
52 private String _methodIntf;
53
54 private Object _value;
55
56 private ArrayList <String > _paramTypes;
57
58 public MethodSignature()
59 {
60 }
61
62 public void setEJBName(String ejbName)
63 {
64 _ejbName = ejbName;
65 }
66
67 public String getEJBName()
68 {
69 if (_bean != null)
70 return _bean.getEJBName();
71 else
72 return _ejbName;
73 }
74
75 public void setMethodName(String name)
76 throws ConfigException
77 {
78 setName(name);
79 }
80
81 public String getName()
82 {
83 return _methodName;
84 }
85
86 public void setName(String methodName)
87 throws ConfigException
88 {
89 if (methodName.indexOf('(') < 0) {
90 _methodName = methodName;
91 return;
92 }
93
94 Signature sig = new Signature();
95 sig.addText(methodName);
96 sig.init();
97
98 _methodName = sig.getName();
99
100 String []params = sig.getParameterTypes();
101 if (params != null) {
102 _paramTypes = new ArrayList <String >();
103
104 for (int i = 0; i < params.length; i++)
105 _paramTypes.add(params[i]);
106 }
107 }
108
109 public void addText(String text)
110 throws ConfigException
111 {
112 setName(text);
113 }
114
115
118 public void addParam(String typeName)
119 {
120 if (_paramTypes == null)
121 _paramTypes = new ArrayList <String >();
122
123 _paramTypes.add(typeName);
124 }
125
126
129 public MethodParams createMethodParams()
130 {
131 return new MethodParams();
132 }
133
134
139 public void setHasParams()
140 {
141 if (_paramTypes == null)
142 _paramTypes = new ArrayList <String >();
143 }
144
145
148 public void setMethodIntf(String intf)
149 {
150 _methodIntf = intf;
151 }
152
153 boolean isHome()
154 {
155 return _methodIntf == null || _methodIntf.equals("Home");
156 }
157
158 boolean isRemote()
159 {
160 return _methodIntf == null || _methodIntf.equals("Remote");
161 }
162
163 boolean isLocalHome()
164 {
165 return _methodIntf == null || _methodIntf.equals("LocalHome");
166 }
167
168 boolean isLocal()
169 {
170 return _methodIntf == null || _methodIntf.equals("Local");
171 }
172
173 int getCost()
174 {
175 int cost = _methodIntf == null ? 0 : 1;
176
177 if (_methodName.equals("*"))
178 return cost;
179 else if (_paramTypes == null)
180 return 2 + cost;
181 else
182 return 4 + cost;
183 }
184
185 public boolean isMatch(Method method, String intf)
186 {
187 if (method == null)
188 return _methodName.equals("*");
189 else
190 return isMatch(method.getName(), method.getParameterTypes(), intf);
191 }
192
193 public boolean isMatch(String methodName, Class []params, String intf)
194 {
195 if (_methodIntf != null && ! _methodIntf.equals(intf))
196 return false;
197 else if (_methodName == null)
198 return false;
199 else if (_methodName.equals("*"))
200 return true;
201 else if (! _methodName.equals(methodName))
202 return false;
203 else if (_paramTypes == null)
204 return true;
205
206 if (params.length != _paramTypes.size())
207 return false;
208
209 for (int i = 0; i < params.length; i++) {
210 String name = params[i].getName();
211 String param = (String ) _paramTypes.get(i);
212
213 if (! name.equals(param) && ! name.endsWith("." + param))
214 return false;
215 }
216
217 return true;
218 }
219
220 public boolean isMatch(JMethod method, String intf)
221 {
222 if (method == null)
223 return _methodName.equals("*");
224 else
225 return isMatch(method.getName(), method.getParameterTypes(), intf);
226 }
227
228 public boolean isMatch(String methodName, JClass []params, String intf)
229 {
230 if (_methodIntf != null && ! _methodIntf.equals(intf))
231 return false;
232 else if (_methodName == null)
233 return false;
234 else if (_methodName.equals("*"))
235 return true;
236 else if (! _methodName.equals(methodName))
237 return false;
238 else if (_paramTypes == null)
239 return true;
240
241 if (params.length != _paramTypes.size())
242 return false;
243
244 for (int i = 0; i < params.length; i++) {
245 String name = params[i].getName();
246 String param = (String ) _paramTypes.get(i);
247
248 if (! name.equals(param) && ! name.endsWith("." + param))
249 return false;
250 }
251
252 return true;
253 }
254
255 void setValue(Object value)
256 {
257 _value = value;
258 }
259
260 Object getValue()
261 {
262 return _value;
263 }
264
265 public int hashCode()
266 {
267 return _methodName.hashCode();
268 }
269
270 public boolean equals(Object o)
271 {
272 if (! (o instanceof MethodSignature))
273 return false;
274
275 MethodSignature cfg = (MethodSignature) o;
276
277 if (! _methodName.equals(cfg._methodName))
278 return false;
279
280 if (_paramTypes == null || cfg._paramTypes == null)
281 return _paramTypes == cfg._paramTypes;
282
283 if (_paramTypes.size() != cfg._paramTypes.size())
284 return false;
285
286 for (int i = 0; i < _paramTypes.size(); i++)
287 if (! _paramTypes.get(i).equals(cfg._paramTypes.get(i)))
288 return false;
289
290 if (_methodIntf == cfg._methodIntf)
291 return true;
292
293 else if (_methodIntf == null || cfg._methodIntf == null)
294 return false;
295
296 else
297 return _methodIntf.equals(cfg._methodIntf);
298 }
299
300 public String toSignatureString()
301 {
302 CharBuffer cb = new CharBuffer();
303
304 cb.append(_methodName);
305 cb.append("(");
306 for (int i = 0; _paramTypes != null && i < _paramTypes.size(); i++) {
307 if (i != 0)
308 cb.append(", ");
309 cb.append(_paramTypes.get(i));
310 }
311 cb.append(")");
312
313 return cb.toString();
314 }
315
316 public String toString()
317 {
318 return ("MethodSignature[" + toSignatureString() + "]");
319 }
320
321 public class MethodParams {
322 public void addMethodParam(String value)
323 {
324 addParam(value);
325 }
326 }
327 }
328 |
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