package com.silvermindsoftware.hitch.reflect;
   
   import java.lang.reflect.Method;
   import java.util.Arrays;
   
   /**
    * Copyright 2007 Brandon Goodin
    *
    * 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.
   */
  
  /**
   * @svnLink $Revision: 3881 $;$Date: 2009-08-04 15:22:05 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/swing/src/main/java/com/silvermindsoftware/hitch/reflect/MethodInfo.java $
   */
  public class MethodInfo {
  
  	private Method method;
  	private String name;
  	private Class[] parameterTypes;
  	private Class returnType;
  
  	public MethodInfo(Method method) {
  
  		this.method = method;
  		this.returnType = method.getReturnType();
  		this.name = method.getName();
  		this.parameterTypes = method.getParameterTypes();
  
  	}
  
  	public Method getMethod() {
  		return method;
  	}
  
  	public boolean equals(Object o) {
  		if (this == o) return true;
  		if (o == null || getClass() != o.getClass()) return false;
  
  		MethodInfo that = (MethodInfo) o;
  
  		if (!name.equals(that.name)) return false;
  		if (!Arrays.equals(parameterTypes, that.parameterTypes)) return false;
  		if (!returnType.equals(that.returnType)) return false;
  
  		return true;
  	}
  
  	public int hashCode() {
  		int result;
  		result = name.hashCode();
  		result = 31 * result + Arrays.hashCode(parameterTypes);
  		result = 31 * result + returnType.hashCode();
  		return result;
  	}
  
  
  	public String toString() {
  		StringBuilder params = new StringBuilder("");
  		boolean start = true;
  		for(Class clazz : parameterTypes ) {
  			if(!start) params.append(",");
  			params.append(clazz.getName());
  			start = false;
  		}
  
  		return new StringBuilder(returnType.getName())
  				.append(" ").append(name)
  				.append("(").append(params.toString()).append(")").toString();
  	}
  }