/*

  * Copyright 2007-2009 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  *

  * 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.

  */

 package org.kuali.rice.krad.util;

 import java.io.Serializable;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Set;

 import org.apache.struts.action.ActionMessage;

 import org.apache.struts.action.ActionMessages;

 /**

  * 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

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public abstract class MessageContainer implements Serializable {

         private MessageMap errorMap;

         protected MessageContainer(MessageMap errorMap) {

                 this.errorMap = errorMap;

         }

         protected MessageMap getMessageMap() {

                 return errorMap;

         }

     public ActionMessages getRequestMessages() {

         ActionMessages requestErrors = new ActionMessages();

         for (Iterator<String> iter = getMessagePropertyNames().iterator(); iter.hasNext();) {

             String property = iter.next();

             List errorList = (List) getMessagesForProperty(property);

             for (Iterator iterator = errorList.iterator(); iterator.hasNext();) {

                 ErrorMessage errorMessage = (ErrorMessage) iterator.next();

                 // add ActionMessage with any parameters

                 requestErrors.add(property, new ActionMessage(errorMessage.getErrorKey(), errorMessage.getMessageParameters()));

             }

         }

         return requestErrors;

     }

     public abstract int getMessageCount();

     public abstract List<String> getMessagePropertyList();

     protected abstract Set<String> getMessagePropertyNames();

     protected abstract List getMessagesForProperty(String propertyName);

 }