001    /**
002     * Copyright 2005-2012 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.rice.kns.util;
017    
018    import org.apache.struts.action.ActionMessage;
019    import org.apache.struts.action.ActionMessages;
020    import org.kuali.rice.krad.util.ErrorMessage;
021    import org.kuali.rice.krad.util.MessageMap;
022    
023    import java.io.Serializable;
024    import java.util.Iterator;
025    import java.util.List;
026    import java.util.Set;
027    
028    /**
029     * An adapter whose subclasses will make either an {@link org.kuali.rice.krad.util.MessageMap}'s warning or info messages available to the JSP layer
030     * 
031     * @author Kuali Rice Team (rice.collab@kuali.org)
032     *
033     */
034    public abstract class MessageContainer implements Serializable {
035            private MessageMap errorMap;
036            
037            protected MessageContainer(MessageMap errorMap) {
038                    this.errorMap = errorMap;
039            }
040            
041            protected MessageMap getMessageMap() {
042                    return errorMap;
043            }
044            
045        public ActionMessages getRequestMessages() {
046            ActionMessages requestErrors = new ActionMessages();
047            for (Iterator<String> iter = getMessagePropertyNames().iterator(); iter.hasNext();) {
048                String property = iter.next();
049                List errorList = (List) getMessagesForProperty(property);
050    
051                for (Iterator iterator = errorList.iterator(); iterator.hasNext();) {
052                    ErrorMessage errorMessage = (ErrorMessage) iterator.next();
053    
054                    // add ActionMessage with any parameters
055                    requestErrors.add(property, new ActionMessage(errorMessage.getErrorKey(), errorMessage.getMessageParameters()));
056                }
057            }
058            return requestErrors;
059        }
060        
061        public abstract int getMessageCount();
062        
063        public abstract List<String> getMessagePropertyList();
064    
065        protected abstract Set<String> getMessagePropertyNames();
066        
067        protected abstract List getMessagesForProperty(String propertyName);
068    }