paramutil.java

struts+spring+hibernate新闻管理

// 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:   ParamUtil.java

package util;

import java.io.UnsupportedEncodingException;

import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;

public class ParamUtil
{

	public ParamUtil()
	{
	}

	public static String getString(HttpServletRequest request, String paramName)
	{
		return getString(request, paramName, true);
	}

	public static String getString(HttpServletRequest request, String paramName, boolean b)
	{
		String temp = request.getParameter(paramName);
		try {
			if(temp!=null) temp = new String(temp.getBytes(getCode(request)),"GBK");
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
		if (temp != null && !temp.equals(""))
		{
			if (b)
				temp = "";
			return temp;
		} else
		{
			return null;
		}
	}

	public static String getString(HttpServletRequest request, String paramName, String defaultString)
	{
		String temp = getString(request, paramName);
		if (temp == null)
			temp = defaultString;
		return temp;
	}

	public static int getInt(HttpServletRequest request, String paramName)
		throws NumberFormatException
	{
		return Integer.parseInt(getString(request, paramName));
	}

	public static int getInt(HttpServletRequest request, String paramName, int defaultInt)
	{
		try
		{
			String temp = getString(request, paramName);
			if (temp == null)
				return defaultInt;
			else
				return Integer.parseInt(temp);
		}
		catch (NumberFormatException e)
		{
			e.printStackTrace();
		}
		return 0;
	}
	
	public static String getCode(ServletRequest request){
		if (request.getCharacterEncoding()==null) return "ISO_8859_1";
		return request.getCharacterEncoding();
	}
}