001    // Copyright 2011 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.alerts;
016    
017    /**
018     * The severity of an {@link Alert}, used primarily to control how it is decorated when presented to the user on the client side.
019     */
020    public enum Severity
021    {
022        INFO, WARN, ERROR;
023    
024        /**
025         * The CSS class to be used for the client list element.
026         */
027        public final String cssClass;
028    
029        private Severity()
030        {
031            cssClass = "t-" + name().toLowerCase();
032        }
033    }