uuid.java

OpenWeb-UDDI是UDDI V2标准的实现

// 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:   UUID.java

package org.huihoo.openweb.uddi;

import java.util.Random;

public class UUID
{

    StringBuffer uuid;
    static Random r = new Random();

    public UUID()
    {
        uuid = new StringBuffer();
        uuid.append(genKey(8));
        uuid.append("-");
        uuid.append(genKey(4));
        uuid.append("-");
        uuid.append(genKey(4));
        uuid.append("-");
        uuid.append(genKey(4));
        uuid.append("-");
        uuid.append(genKey(12));
    }

    public UUID(String uuid)
    {
        this.uuid = new StringBuffer();
        this.uuid.append(uuid);
    }

    private String genKey(int j)
    {
        StringBuffer buff = new StringBuffer();
        for(int i = 0; i < j; i++)
        {
            byte b = (byte)(Math.abs(r.nextInt()) % 16);
            char c = (char)(b < 10 ? 48 + b : 65 + b);
            buff.append(c);
        }

        return buff.toString();
    }

    public String toString()
    {
        if(uuid != null)
            return uuid.toString();
        else
            return null;
    }

}