numericalphaversion.java

来自「cisco－2950交换机的应用程序的源代码」· Java 代码 · 共 76 行

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   NumericAlphaVersion.java

package cisco.dsbu.cms.boot.internal.util;


public class NumericAlphaVersion
    implements Comparable
{

    private int numeric;
    private String alpha;

    public NumericAlphaVersion(String s)
    {
        try
        {
            extract(s);
        }
        catch(Exception exception)
        {
            throw new IllegalArgumentException("Unsupported numeric-alpha version format: " + s + "; " + exception);
        }
    }

    public int compareTo(Object obj)
    {
        NumericAlphaVersion numericalphaversion = (NumericAlphaVersion)obj;
        if(numeric != numericalphaversion.numeric)
            return numeric >= numericalphaversion.numeric ? 1 : -1;
        else
            return alpha.compareTo(numericalphaversion.alpha);
    }

    public boolean equals(Object obj)
    {
        boolean flag;
        try
        {
            flag = compareTo(obj) == 0;
        }
        catch(Exception exception)
        {
            flag = false;
        }
        return flag;
    }

    public int hashCode()
    {
        return numeric + alpha.hashCode();
    }

    public String toString()
    {
        return numeric + alpha;
    }

    private void extract(String s)
    {
        numeric = 0;
        alpha = "";
        if(s.equals(""))
            return;
        int i;
        for(i = 0; i < s.length(); i++)
            if(!Character.isDigit(s.charAt(i)))
                break;

        numeric = Integer.parseInt(s.substring(0, i));
        alpha = s.substring(i);
    }
}