1 /* 2 * $Id$ 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 package org.apache.struts.action; 22 23 import java.io.Serializable; 24 25 /** 26 * <p>A class that encapsulates the error messages being reported by the 27 * <code>validate()</code> method of an <code>ActionForm</code>. Validation 28 * errors are either global to the entire <code>ActionForm</code> bean they 29 * are associated with, or they are specific to a particular bean property 30 * (and, therefore, a particular input field on the corresponding form).</p> 31 * 32 * <p>Each individual error is described by an <code>ActionMessage</code> 33 * object, which contains a message key (to be looked up in an appropriate 34 * message resources database), and up to four placeholder arguments used for 35 * parametric substitution in the resulting message.</p> 36 * 37 * <p><strong>IMPLEMENTATION NOTE</strong> - It is assumed that these objects 38 * are created and manipulated only within the context of a single thread. 39 * Therefore, no synchronization is required for access to internal 40 * collections.</p> 41 * 42 * @version $Rev$ $Date: 2005-08-06 18:03:30 -0400 (Sat, 06 Aug 2005) 43 * $ 44 */ 45 public class ActionErrors extends ActionMessages implements Serializable { 46 private static final long serialVersionUID = -962678529916763747L; 47 48 // --------------------------------------------------------- Public Methods 49 50 /** 51 * <p>Create an empty <code>ActionErrors</code> object.</p> 52 */ 53 public ActionErrors() { 54 super(); 55 } 56 57 /** 58 * <p>Create an <code>ActionErrors</code> object initialized with the 59 * given messages.</p> 60 * 61 * @param messages The messages to be initially added to this object. This 62 * parameter can be <code>null</code>. 63 * @since Struts 1.1 64 */ 65 public ActionErrors(ActionErrors messages) { 66 super(messages); 67 } 68 }