gb.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:   Gb.java

package com.gamvan.tools;

import java.io.PrintStream;
import java.io.UnsupportedEncodingException;

public class Gb
{

    public Gb()
    {
    }

    public String gb(String txt)
    {
        String rTxt = new String("");
        if(txt != null && !txt.equals(""))
            rTxt = txt;
        else
            rTxt = "";
        return rTxt;
    }

    public String iso_utf(String txt)
    {
        String rTxt = new String("");
        if(txt != null && !txt.equals(""))
            try
            {
                rTxt = new String(txt.getBytes("UTF-8"), "ISO-8859-1");
                rTxt = txt;
            }
            catch(UnsupportedEncodingException unsupportedencodingexception) { }
        else
            rTxt = "";
        return rTxt;
    }

    public static String encodeUrl(String s)
    {
        if(s == null || s.equals(""))
            return "";
        StringBuffer sb = new StringBuffer();
        for(int i = 0; i < s.length(); i++)
        {
            char c = s.charAt(i);
            if(c >= 0 && c <= '\377')
            {
                sb.append(c);
            } else
            {
                byte b[];
                try
                {
                    b = Character.toString(c).getBytes("UTF-8");
                }
                catch(Exception ex)
                {
                    System.out.println(ex);
                    b = new byte[0];
                }
                for(int j = 0; j < b.length; j++)
                {
                    int k = b[j];
                    if(k < 0)
                        k += 256;
                    sb.append("%" + Integer.toHexString(k).toUpperCase());
                }

            }
        }

        return sb.toString();
    }

    public static String toUTF8(String s)
    {
        if(s == null)
            return "";
        String rTxt = new String("");
        try
        {
            rTxt = new String(s.getBytes("ISO-8859-1"), "UTF-8");
        }
        catch(UnsupportedEncodingException e)
        {
            e.printStackTrace();
            rTxt = s;
        }
        return rTxt;
    }
}