containutil.java

来自「struts 2 核心包 的源码 有错误是难免的」· Java 代码 · 共 53 行

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   ContainUtil.java

package org.apache.struts2.util;

import java.lang.reflect.Array;
import java.util.Collection;
import java.util.Map;

public class ContainUtil
{

	public ContainUtil()
	{
	}

	public static boolean contains(Object obj1, Object obj2)
	{
		if (obj1 == null || obj2 == null)
			return false;
		if (obj1 instanceof Map)
		{
			if (((Map)obj1).containsKey(obj2))
				return true;
		} else
		if (obj1 instanceof Collection)
		{
			if (((Collection)obj1).contains(obj2) || ((Collection)obj1).contains(obj2.toString()))
				return true;
		} else
		if (obj1.getClass().isArray())
		{
			for (int i = 0; i < Array.getLength(obj1); i++)
			{
				Object value = null;
				value = Array.get(obj1, i);
				if (value.equals(obj2))
					return true;
			}

		} else
		{
			if (obj1.toString().equals(obj2.toString()))
				return true;
			if (obj1.equals(obj2))
				return true;
		}
		return false;
	}
}