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1   /*
2    * Copyright (C) 2008 the original author or authors.
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 org.codehaus.plexus.metadata.ann;
18  
19  import java.util.HashMap;
20  import java.util.LinkedHashMap;
21  import java.util.Map;
22  
23  import org.objectweb.asm.Type;
24  
25  /**
26   * @author Eugene Kuleshov
27   */
28  public class AnnMethod {
29  
30    private final AnnClass owner;
31    private final int access;
32    private final String name;
33    private final String desc;
34    private Map<String, Ann> anns = new LinkedHashMap<String, Ann>();
35    private Map<Integer, Map<String, Ann>> paramAnns = new HashMap<Integer, Map<String,Ann>>();
36  
37    public AnnMethod(AnnClass owner, int access, String name, String desc) {
38      this.owner = owner;
39      this.access = access;
40      this.name = name;
41      this.desc = desc;
42    }
43  
44    public int getAccess() {
45      return access;
46    }
47    
48    public String getName() {
49      return name;
50    }
51    
52    public String getDesc() {
53      return desc;
54    }
55  
56    public Map<String, Ann> getAnns() {
57      return anns;
58    }
59    
60    public Map<Integer, Map<String, Ann>> getParamAnns() {
61      return paramAnns;
62    }
63    
64    public void addAnn(Ann ann) {
65      anns.put(ann.getDesc(), ann);
66    }
67  
68    public void addParamAnn(int parameter, Ann ann) {
69      Map<String, Ann> anns = paramAnns.get(parameter);
70      if(anns==null) {
71        anns = new LinkedHashMap<String, Ann>();
72        paramAnns.put(parameter, anns);
73      }
74      anns.put(ann.getDesc(), ann);
75    }
76    
77    public <T> T getAnnotation(Class<T> c) {
78      Ann ann = anns.get(Type.getDescriptor(c));
79      return ann == null ? null : ann.getAnnotation(c, owner.getClassLoader());
80    }
81    
82    public <T> T getParameterAnnotation(int parameter, Class<T> c) {
83      Map<String, Ann> anns = paramAnns.get(parameter);
84      if (anns == null) {
85        return null;
86      }
87      Ann ann = anns.get(Type.getDescriptor(c));
88      return ann == null ? null : ann.getAnnotation(c, owner.getClassLoader());
89    }
90  
91  }
92