1 /*
2  * Copyright (C) 2010 The Android Open Source Project
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 vogar;
18 
19 import java.lang.reflect.Method;
20 import java.lang.reflect.Modifier;
21 
22 public final class ClassAnalyzer {
23     private final Class<?> klass;
24 
ClassAnalyzer(Class<?> klass)25     public ClassAnalyzer(Class<?> klass) {
26         this.klass = klass;
27     }
28 
hasMethod(boolean isStatic, Class<?> returnType, String name, Class<?>... parameters)29     public boolean hasMethod(boolean isStatic, Class<?> returnType, String name,
30             Class<?>... parameters) {
31         try {
32             Method candidate = klass.getMethod(name, parameters);
33             int modifier = candidate.getModifiers();
34             Class<?> actualReturnType = candidate.getReturnType();
35             boolean satisfiesStatic = isStatic == Modifier.isStatic(modifier);
36             return satisfiesStatic && returnType.equals(actualReturnType);
37         } catch (NoSuchMethodException e) {
38             return false;
39         }
40     }
41 }
42