(Java)Parse LDAP Status Code

import java.util.regex.Matcher;
import java.util.regex.Pattern;

//取得Active Directory資訊可以參考 https://www.cnblogs.com/qlong8807/archive/2012/10/26/2741563.html

public class ADgetErrorCode {

	public static void main(String[] args) {
		String errmsg = "[LDAP: error code 49 - 80090308: \r\n" + 
				" LdapErr: DSID-0C090334, \r\n" + 
				" comment: AcceptSecurityContext error, data 773, vece]";
		
		System.out.println( getLDAPStatusCode(errmsg) );
		
		System.out.println( getAD49ErrorCode(errmsg) );
	}
	
	/*
	 * https://stackoverflow.com/questions/30532673/directoryservicescomexception-extendederrormessage-list-of-data-codes
	 * 525 - user not found
	 * 52e - invalid credentials
	 * 530 - not permitted to logon at this time
	 * 531 - not permitted to logon at this workstation
	 * 532 - password expired
	 * 533 - account disabled
	 * 534 - The user has not been granted the requested logon type at this machine
	 * 701 - account expired
	 * 773 - user must reset password
	 * 775 - user account locked
	 * */ 
	 private static String getAD49ErrorCode(final String exceptionMsg)
	 {
           String pattern=".*data ([A-Za-z0-9]+)";
           Pattern p=Pattern.compile(pattern);
           Matcher  m=p.matcher(exceptionMsg);

           if (m.find()) {
               return m.group(1);
           }

            return "Parse 49Code Error";
	 }	  
	
	 //https://docs.oracle.com/javase/tutorial/jndi/ldap/exceptions.html
	 //49:Invalid credentials (AuthenticationException)
	 private static int getLDAPStatusCode(final String exceptionMsg)
	 {
	        //String pattern="-?\\d+";
		    String pattern=".*error code ([0-9]+)";
		   
	        Pattern p=Pattern.compile(pattern);
	        Matcher  m=p.matcher(exceptionMsg);
	        if (m.find()) {
	            //return Integer.valueOf(m.group(0));
	        	return Integer.valueOf(m.group(1));
	        }
	        return -1;
	 }	
  
}