package org.springframework.security.oauth2.common.exceptions;
   
   import java.util.Set;
   
   import org.springframework.security.access.AccessDeniedException;
   import org.springframework.security.oauth2.common.util.OAuth2Utils;
   
   /**
    * Exception representing insufficient scope in a token when a request is handled by a Resource Server. It is akin to an
   * {@link AccessDeniedException} and should result in a 403 (FORBIDDEN) HTTP status.
   * 
   * @author Dave Syer
   */
  @SuppressWarnings("serial")
  public class InsufficientScopeException extends OAuth2Exception {
  
  	public InsufficientScopeException(String msg, Set<String> validScope) {
  		this(msg);
  		addAdditionalInformation("scope", OAuth2Utils.formatParameterList(validScope));
  	}
  
  	public InsufficientScopeException(String msg) {
  		super(msg);
  	}
  
  	@Override
  	public int getHttpErrorCode() {
  		return 403;
  	}
  
  	@Override
  	public String getOAuth2ErrorCode() {
  		// Not defined in the spec, so not really an OAuth2Exception
  		return "insufficient_scope";
  	}
  
  }