paramutils.java

一个论坛程序

// Decompiled by Jad v1.5.8f. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   ParamUtils.java

package com.gamvan.util;

import com.gamvan.net.URL;
import com.gamvan.tools.TypeChange;
import java.util.HashMap;
import javax.servlet.http.*;

public class ParamUtils
{

    public ParamUtils()
    {
    }

    public static String getHashMapString(HashMap hm, String get)
    {
        if(hm == null)
            return "";
        else
            return hm.get(get).toString();
    }

    public static int getHashMapInt(HashMap hm, String get)
    {
        if(hm == null)
            return 0;
        else
            return TypeChange.objToInt(hm.get(get));
    }

    public static double getHashMapDouble(HashMap hm, String get)
    {
        if(hm == null)
            return 0.0D;
        else
            return TypeChange.objToDouble(hm.get(get));
    }

    public static short getHashMapShort(HashMap hm, String get)
    {
        if(hm == null)
            return 0;
        else
            return TypeChange.objToShort(hm.get(get));
    }

    public static String getCookieValue(HttpServletRequest req, String name, String val)
    {
        String value = val;
        Cookie cookies[] = req.getCookies();
        if(cookies == null)
            return val;
        for(int i = 0; i < cookies.length; i++)
        {
            Cookie c = cookies[i];
            if(name.equals(c.getName().trim()))
            {
                value = c.getValue().trim();
                value = URL.urlDecoder(value, "UTF-8");
            }
        }

        return value;
    }

    public static void setCookieValue(HttpServletResponse rep, String name, String value, int day)
    {
        value = URL.urlEncoder(value, "UTF-8");
        Cookie cookie = new Cookie(name, value);
        if(day > 0)
            cookie.setMaxAge(day * 60 * 60 * 24);
        rep.addCookie(cookie);
    }

    public static String getStringParameter(HttpServletRequest request, String name)
    {
        String str = "";
        try
        {
            str = TypeChange.nullOfString(request.getParameter(name).trim());
        }
        catch(Exception exception) { }
        return str;
    }

    public static String getStringParameter(HttpServletRequest request, String name, String snull)
    {
        String str = snull;
        if(request.getParameter(name) != null)
            str = TypeChange.nullOfString(request.getParameter(name).trim());
        return str;
    }

    public static int getIntParameter(HttpServletRequest request, String name)
    {
        int i = TypeChange.stringToInt(request.getParameter(name));
        return i;
    }

    public static int getIntParameter(HttpServletRequest request, String name, int inull)
    {
        int i = inull;
        if(request.getParameter(name) != null && !request.getParameter(name).equals(""))
            i = TypeChange.stringToInt(request.getParameter(name));
        return i;
    }

    public static double getDoubleParameter(HttpServletRequest request, String name, double isnull)
    {
        double d = 0.0D;
        if(request.getParameter(name) != null && !request.getParameter(name).equals(""))
            d = TypeChange.stringToDouble(request.getParameter(name));
        return d;
    }

    public static double getDoubleParameter(HttpServletRequest request, String name)
    {
        double d = TypeChange.stringToDouble(request.getParameter(name));
        return d;
    }

    public static boolean getBooleanParameter(HttpServletRequest request, String name)
    {
        boolean b = TypeChange.stringToBoolean(request.getParameter(name));
        return b;
    }

    public static boolean getBooleanParameter(HttpServletRequest request, String name, boolean b)
    {
        boolean bea;
        if(request.getAttribute(name) == null)
            bea = b;
        else
            bea = TypeChange.stringToBoolean(request.getParameter(name));
        return bea;
    }

    public static long getLongParameter(HttpServletRequest request, String name)
    {
        long l = TypeChange.stringToLong(request.getParameter(name));
        return l;
    }

    public static byte getByteParameter(HttpServletRequest request, String name)
    {
        byte b = TypeChange.stringToByte(request.getParameter(name));
        return b;
    }

    public static byte getByteParameter(HttpServletRequest request, String name, byte bnull)
    {
        byte b = bnull;
        if(request.getParameter(name) != null && !request.getParameter(name).equals(""))
            b = TypeChange.stringToByte(request.getParameter(name));
        return b;
    }

    public static short getShortParameter(HttpServletRequest request, String name)
    {
        short s = TypeChange.stringToShort(request.getParameter(name));
        return s;
    }

    public static short getShortParameter(HttpServletRequest request, String name, short snull)
    {
        short s = snull;
        if(request.getParameter(name) != null && !request.getParameter(name).equals(""))
            s = TypeChange.stringToShort(request.getParameter(name));
        return s;
    }
}