package org.apache.fulcrum.intake.validator;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 /**

  * A constraint has a name and a value and an optional message.

  * The name/value pair will have meaning to a Validator and the

  * message will serve as an error message in the event the Validator

  * determines the constraint is violated.

  * example:

  * name="maxLength"

  * value="255"

  * message="Value cannot be longer than 255 characters."

  *

  * @author <a href="mailto:jmcnally@collab.net">John McNally</a>

  * @version $Id: Constraint.java 1771953 2016-11-29 20:29:12Z tv $

  */

 public interface Constraint

 {

     /**

      * Get the name of the constraint.

      *

      * @return the constraint name

      */

     String getName();

     /**

      * Get the value of the constraint.

      *

      * @return the constraint value

      */

     String getValue();

     /**

      * Get the error message.

      *

      * @return the constraint error message

      */

     String getMessage();

 }