package org.springframework.security.oauth2.common.exceptions;
   
   /**
    * Exception thrown when a client was unable to authenticate.
    * 
    * @author Ryan Heaton
    */
   @SuppressWarnings("serial")
   public class UnauthorizedClientException extends ClientAuthenticationException {
  
  	public UnauthorizedClientException(String msg, Throwable t) {
  		super(msg, t);
  	}
  
  	public UnauthorizedClientException(String msg) {
  		super(msg);
  	}
  
  	@Override
  	public int getHttpErrorCode() {
  		// The spec says this can be unauthorized
  		return 401;
  	}
  
  	@Override
  	public String getOAuth2ErrorCode() {
  		return "unauthorized_client";
  	}
  }