/*
    * Copyright (C) 2007-2012 Argeo GmbH
    *
    * 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.argeo.slc.core.execution.tasks;
  
  import java.lang.reflect.Method;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.springframework.util.Assert;
  import org.springframework.util.ReflectionUtils;
  
  public class MethodCall implements Runnable {
  	private Object target;
  	private String method;
  	private List<Object> args = new ArrayList<Object>();
  
  	public void run() {
  		Assert.notNull(target, "target");
  		Assert.notNull(method, "method");
  		Method methodRef = ReflectionUtils
  				.findMethod(target.getClass(), method);
  		if (args.size() == 0)
  			ReflectionUtils.invokeMethod(methodRef, target);
  		else
  			ReflectionUtils.invokeMethod(methodRef, methodRef, args.toArray());
  	}
  
  	public void setTarget(Object target) {
  		this.target = target;
  	}
  
  	public void setMethod(String method) {
  		this.method = method;
  	}
  
  	public void setArgs(List<Object> args) {
  		this.args = args;
  	}
  
  }