package com.younike.common.utils.uuid;

import java.util.Comparator;

/**
 */
public class StringComparator implements Comparator<String> {
    @Override
    public int compare(String s1, String s2) {
        if (returnDouble(s1) < returnDouble(s2)){
            return -1;
        } else if (returnDouble(s1) > returnDouble(s2)) {
            return 1;
        } else {
            return 0;
        }
    }

    public static double returnDouble(String str){
        StringBuffer sb = new StringBuffer();
        for(int i=0;i<str.length();i++){
            if(Character.isDigit(str.charAt(i))) {
                sb.append(str.charAt(i));
            }  else if(str.charAt(i)=='.'&&i<str.length()-1&&Character.isDigit(str.charAt(i+1))) {
                sb.append(str.charAt(i));
            } else {
                break;
            }
        }
        if(sb.toString().isEmpty()){
            return 0;
        } else {
            return Double.parseDouble(sb.toString());
        }

    }
}
