numberutil.java

这个是网络上下载的一个struct框架的程序

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// Decompiler options: packimports(3) 
// Source File Name:   NumberUtil.java

package com.struts2.framework.util;

import java.text.Format;
import java.text.NumberFormat;

public class NumberUtil
{

    public static String getNumberString(Object number)
    {
        try
        {
            return NUMBER_FORMATTER.format(number);
        }
        catch(Exception exception)
        {
            return null;
        }
    }

    public static String getIntegerString(Object number)
    {
        try
        {
            if(number instanceof Number)
            {
                return INTEGER_FORMATTER.format(number);
            } else
            {
                long l = Long.parseLong(number.toString());
                return INTEGER_FORMATTER.format(l);
            }
        }
        catch(Exception exception)
        {
            return null;
        }
    }

    public static int verifyPositionNumber(String str)
    {
        try
        {
            int t = Integer.parseInt(str);
            if(t > 0)
                return t;
        }
        catch(Exception exception) { }
        return -1;
    }

    public NumberUtil()
    {
    }

    public static final NumberFormat NUMBER_FORMATTER = NumberFormat.getNumberInstance();
    public static final NumberFormat INTEGER_FORMATTER = NumberFormat.getNumberInstance();

}