/*
    * Copyright (C) 2008 the original author or authors.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.codehaus.plexus.metadata.ann;
  
  import java.util.HashMap;
  import java.util.LinkedHashMap;
  import java.util.Map;
  
  import org.objectweb.asm.Type;
  
  /**
   * @author Eugene Kuleshov
   */
  public class AnnMethod {
  
      private final AnnClass owner;
      private final int access;
      private final String name;
      private final String desc;
      private Map<String, Ann> anns = new LinkedHashMap<String, Ann>();
      private Map<Integer, Map<String, Ann>> paramAnns = new HashMap<Integer, Map<String, Ann>>();
  
      public AnnMethod(AnnClass owner, int access, String name, String desc) {
          this.owner = owner;
          this.access = access;
          this.name = name;
          this.desc = desc;
      }
  
      public int getAccess() {
          return access;
      }
  
      public String getName() {
          return name;
      }
  
      public String getDesc() {
          return desc;
      }
  
      public Map<String, Ann> getAnns() {
          return anns;
      }
  
      public Map<Integer, Map<String, Ann>> getParamAnns() {
          return paramAnns;
      }
  
      public void addAnn(Ann ann) {
          anns.put(ann.getDesc(), ann);
      }
  
      public void addParamAnn(int parameter, Ann ann) {
          Map<String, Ann> anns = paramAnns.get(parameter);
          if (anns == null) {
              anns = new LinkedHashMap<String, Ann>();
              paramAnns.put(parameter, anns);
          }
          anns.put(ann.getDesc(), ann);
      }
  
      public <T> T getAnnotation(Class<T> c) {
          Ann ann = anns.get(Type.getDescriptor(c));
          return ann == null ? null : ann.getAnnotation(c, owner.getClassLoader());
      }
  
      public <T> T getParameterAnnotation(int parameter, Class<T> c) {
          Map<String, Ann> anns = paramAnns.get(parameter);
          if (anns == null) {
              return null;
          }
          Ann ann = anns.get(Type.getDescriptor(c));
          return ann == null ? null : ann.getAnnotation(c, owner.getClassLoader());
      }
  }