01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jboss.aspects.dbc.condition;
23:
24: import java.lang.reflect.Method;
25:
26: import org.jboss.aop.joinpoint.Invocation;
27:
28: /**
29: *
30: * @author <a href="mailto:kabir.khan@jboss.org">Kabir Khan</a>
31: * @version $Revision: 57186 $
32: */
33: public class MethodCondition extends ExecutableCondition {
34: Method method;
35:
36: public MethodCondition(Method method, String condExpr,
37: boolean staticCall) {
38: super (condExpr, method.getClass(), staticCall);
39: this .method = method;
40: }
41:
42: public boolean equals(Object o) {
43: if (o instanceof MethodCondition) {
44: MethodCondition mc = (MethodCondition) o;
45: if (mc.method.equals(method)) {
46: return super .equals(o);
47: }
48: }
49: return false;
50: }
51:
52: // ExecutableCondition implementation -------------------------------------
53: protected Object executableObject() {
54: return method;
55: }
56:
57: protected Class[] parameterTypes() {
58: return method.getParameterTypes();
59: }
60:
61: protected boolean isPredefinedToken(String token) {
62: return token.equals(Condition.TARGET)
63: || token.equals(Condition.RETURN);
64: }
65:
66: protected Object getValueForPredefinedToken(Invocation invocation,
67: Object rtn, String token) {
68: if (token.equals(Condition.TARGET)) {
69: return getTarget(invocation, isStatic);
70: } else if (token.equals(Condition.RETURN)) {
71: return rtn;
72: }
73:
74: return null;
75: }
76: }
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