/*
    * 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.lang.reflect.Proxy;
  import java.util.LinkedHashMap;
  import java.util.Map;
  
  import org.objectweb.asm.Type;
  
  /**
   * @author Eugene Kuleshov
   */
  public class Ann {
  
      private String desc;
      private Map<String, Object> params = new LinkedHashMap<String, Object>();
  
      public Ann(String desc) {
          this.desc = desc;
      }
  
      public void addParam(String name, Object value) {
          params.put(name, value);
      }
  
      public String getDesc() {
          return desc;
      }
  
      public String getType() {
          return Type.getType(desc).getClassName();
      }
  
      public Map<String, Object> getParams() {
          return params;
      }
  
      @SuppressWarnings("unchecked")
      public <T> T getAnnotation(Class<T> c, ClassLoader cl) {
          return (T) Proxy.newProxyInstance(
                  Ann.class.getClassLoader(),
                  new Class[] {c}, //
                  new AnnInvocationHandler(this, cl, c));
      }
  }