Java HTTP checkErrorCode(String message)

//package com.java2s;

public class Main {
    public static String checkErrorCode(String message) {

        int err_code = Integer.valueOf(message.substring(0, 3));
        String err_message = "";

        switch (err_code) {
        case 404:
            err_message = "Not Found";
            break;
        case 302:
            err_message = "Temporary Redirect";
            break;
        case 400:
            err_message = "Bad Request";
            break;
        case 401:
            err_message = "Unauthorized";
            break;
        case 405:
            err_message = "Method Not Allowed";
            break;
        case 500:
            err_message = "Internal Server Error";
            break;
        case 503:
            err_message = "Service Unavailable";
            break;

        default://   w  w   w .  d e   m o  2  s  .   c  o m  
            err_message = "Unknown Error";
            break;
        }

        StringBuilder builder = new StringBuilder();
        builder.append(err_message);
        builder.append(",");
        builder.append(message.substring(0, 3));

        return builder.toString();
    }
}