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Java > Open Source Codes > com > google > inject > MethodAspect


1 /**
2  * Copyright (C) 2006 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
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
17 package com.google.inject;
18
19 import com.google.inject.matcher.Matcher;
20 import com.google.inject.util.Objects;
21 import java.lang.reflect.Method JavaDoc;
22 import java.util.Arrays JavaDoc;
23 import java.util.List JavaDoc;
24 import org.aopalliance.intercept.MethodInterceptor;
25
26 /**
27  * Ties a matcher to a method interceptor.
28  *
29  * @author crazybob@google.com (Bob Lee)
30  */

31 class MethodAspect {
32
33   final Matcher<? super Class JavaDoc<?>> classMatcher;
34   final Matcher<? super Method JavaDoc> methodMatcher;
35   final List JavaDoc<MethodInterceptor> interceptors;
36
37   MethodAspect(Matcher<? super Class JavaDoc<?>> classMatcher,
38       Matcher<? super Method JavaDoc> methodMatcher, MethodInterceptor... interceptors) {
39     this.classMatcher = Objects.nonNull(classMatcher, "class matcher");
40     this.methodMatcher = Objects.nonNull(methodMatcher, "method matcher");
41     this.interceptors
42         = Arrays.asList(Objects.nonNull(interceptors, "interceptors"));
43   }
44
45   boolean matches(Class JavaDoc<?> clazz) {
46     return classMatcher.matches(clazz);
47   }
48
49   boolean matches(Method JavaDoc method) {
50     return methodMatcher.matches(method);
51   }
52
53   List JavaDoc<MethodInterceptor> interceptors() {
54     return interceptors;
55   }
56 }
57
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