import org.apache.commons.logging.Log;

 import org.apache.commons.logging.LogFactory;

 /**

  * 对字符串数组进行排序

  * @author panjianghong

  * @since 2016/8/31

  * */

 public class StringSort {

     private static final Log _log = LogFactory.getLog(StringSort.class);

     /**

      * 对字符串数组进行排序

      * @param keys

      * @return

      * */

     public static String[] getUrlParam(String[] keys){

         for (int i = 0; i < keys.length - 1; i++) {

             for (int j = 0; j < keys.length - i -1; j++) {

                 String pre = keys[j];

                 String next = keys[j + 1];

                 if(isMoreThan(pre, next)){

                     String temp = pre;

                     keys[j] = next;

                     keys[j+1] = temp;

                 }

             }

         }

         return keys;

     }

     /**

      * 比较两个字符串的大小，按字母的ASCII码比较

      * @param pre

      * @param next

      * @return

      * */

     private static boolean isMoreThan(String pre, String next){

         if(null == pre || null == next || "".equals(pre) || "".equals(next)){

             _log.error("字符串比较数据不能为空！");

             return false;

         }

         char[] c_pre = pre.toCharArray();

         char[] c_next = next.toCharArray();

         int minSize = Math.min(c_pre.length, c_next.length);

         for (int i = 0; i < minSize; i++) {

             if((int)c_pre[i] > (int)c_next[i]){

                 return true;

             }else if((int)c_pre[i] < (int)c_next[i]){

                 return false;

             }

         }

         if(c_pre.length > c_next.length){

             return true;

         }

         return false;

     }

     public static void main(String[] args) {

         String[] keys = getUrlParam(new String[]{"fin","abc","shidema","shide","bushi"});

         for (String key : keys) {

             System.out.println(key);

         }

     }

 }