com.taobao.top.common.server.RefundMessageUrlKit.java Source code

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Here is the source code for com.taobao.top.common.server.RefundMessageUrlKit.java

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//===================================================================================
// Copyright (c) 2008-2008 by www.TaoBao.com, All rights reserved.
//  391# wen'er road, HangZhou, China
// 
// This software is the confidential and proprietary information of 
// TaoBao.com, Inc. ("Confidential Information"). You shall not disclose 
// such Confidential Information and shall use it only in accordance 
// with the terms of the license agreement you entered into with TaoBao.com, Inc.
//===================================================================================
// File name: ImageUrlKit.java
// Author: liupo
// Date: 2008-7-25 04:47:31 
// Description:     
//       
// Function List:     
//       1. 
// History: 
//       1. 
//===================================================================================

package com.taobao.top.common.server;

import org.apache.commons.lang.StringUtils;

/**
 * ???????
 * @author tianchong
 *
 */
public class RefundMessageUrlKit {
    // ???
    //prefixUrl="http://img.daily.taobaocdn.net/refund/T1KXdXXi5yt0L1upjX.jpg";
    //dailyUrl="img.daily.taobao.net";
    //onlineUrl="img.taobao.com";
    private final static String DEFAULT_ONLINE_PICTURL = "img.taobao.com";
    private final static String preFix_http = "http://";
    private final static String SEP = "/";
    private final static String REFUND = "refund";

    public static String perform(String prefixUrl, String dbUrl) {
        if (StringUtils.isNotEmpty(dbUrl) && dbUrl.length() > 2) {
            if (StringUtils.isBlank(prefixUrl)) {
                prefixUrl = DEFAULT_ONLINE_PICTURL;
            }
            if (!prefixUrl.startsWith(preFix_http)) {
                prefixUrl = preFix_http + prefixUrl;
            }
            int index = prefixUrl.indexOf(".");
            String target = prefixUrl.substring(0, index) + "0" + getRandomNumber() + prefixUrl.substring(index);
            target = StringUtils.replace(target, ".taobao.", ".taobaocdn.");
            if (!target.endsWith(SEP)) {
                target = target + SEP;
            }
            return target + REFUND + SEP + dbUrl;
        }
        return null;
    }

    private static int getRandomNumber() {
        // 18?
        int r = (int) Math.round(Math.random() * 7 + 1);
        return r;
    }
}