01: /*
02: * Copyright 2003,2004 The Apache Software Foundation
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package net.sf.cglib.core;
17:
18: import java.lang.reflect.*;
19: import org.objectweb.asm.Type;
20:
21: public class VisibilityPredicate implements Predicate {
22: private boolean protectedOk;
23: private String pkg;
24:
25: public VisibilityPredicate(Class source, boolean protectedOk) {
26: this .protectedOk = protectedOk;
27: pkg = TypeUtils.getPackageName(Type.getType(source));
28: }
29:
30: public boolean evaluate(Object arg) {
31: int mod = (arg instanceof Member) ? ((Member) arg)
32: .getModifiers() : ((Integer) arg).intValue();
33: if (Modifier.isPrivate(mod)) {
34: return false;
35: } else if (Modifier.isPublic(mod)) {
36: return true;
37: } else if (Modifier.isProtected(mod)) {
38: return protectedOk;
39: } else {
40: return pkg.equals(TypeUtils.getPackageName(Type
41: .getType(((Member) arg).getDeclaringClass())));
42: }
43: }
44: }
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