/*
    *    Copyright 2009-2024 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
    *
    *       https://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.apache.ibatis.plugin;
  
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  import java.util.Arrays;
  import java.util.List;
  
  import org.apache.ibatis.executor.Executor;
  import org.apache.ibatis.executor.parameter.ParameterHandler;
  import org.apache.ibatis.executor.resultset.ResultSetHandler;
  import org.apache.ibatis.executor.statement.StatementHandler;
  
  /**
   * @author Clinton Begin
   */
  public class Invocation {
  
    private static final List<Class<?>> targetClasses = Arrays.asList(Executor.class, ParameterHandler.class,
        ResultSetHandler.class, StatementHandler.class);
    private final Object target;
    private final Method method;
    private final Object[] args;
  
    public Invocation(Object target, Method method, Object[] args) {
      if (!targetClasses.contains(method.getDeclaringClass())) {
        throw new IllegalArgumentException("Method '" + method + "' is not supported as a plugin target.");
      }
      this.target = target;
      this.method = method;
      this.args = args;
    }
  
    public Object getTarget() {
      return target;
    }
  
    public Method getMethod() {
      return method;
    }
  
    public Object[] getArgs() {
      return args;
    }
  
    public Object proceed() throws InvocationTargetException, IllegalAccessException {
      return method.invoke(target, args);
    }
  
  }