001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019
020 package org.apache.myfaces.tobago.util;
021
022 import org.apache.commons.logging.Log;
023 import org.apache.commons.logging.LogFactory;
024 import org.apache.myfaces.tobago.context.ResourceManagerUtil;
025
026 import javax.faces.application.FacesMessage;
027 import javax.faces.context.FacesContext;
028 import java.util.HashMap;
029 import java.util.Locale;
030 import java.util.Map;
031 import java.util.ResourceBundle;
032 import java.text.MessageFormat;
033
034 /*
035 * User: weber
036 * Date: Jun 14, 2005
037 * Time: 5:40:04 PM
038 */
039 public class MessageFactory {
040
041 private static final Log LOG = LogFactory.getLog(MessageFactory.class);
042
043 private static Map<Locale, ResourceBundle> facesMessagesMap
044 = new HashMap<Locale, ResourceBundle>();
045
046 public static FacesMessage createFacesMessage(FacesContext facesContext,
047 String key, FacesMessage.Severity severity, Object[] args) {
048 return createFacesMessage(facesContext, "tobago", key, severity, args);
049 }
050
051 public static FacesMessage createFacesMessage(FacesContext facesContext,
052 String key, FacesMessage.Severity severity) {
053 return createFacesMessage(facesContext, key, severity, new Object[0]);
054 }
055
056 public static FacesMessage createFacesMessage(FacesContext facesContext,
057 String bundle, String key, FacesMessage.Severity severity, Object[] args) {
058 String summary = getMessageText(facesContext, bundle, key);
059 String detail = getMessageText(facesContext, bundle, key + "_detail");
060 if (args != null && args.length > 0) {
061 if (summary != null) {
062 MessageFormat format = new MessageFormat(summary, facesContext.getViewRoot().getLocale());
063 summary = format.format(args);
064 }
065
066 if (detail != null) {
067 MessageFormat format = new MessageFormat(detail, facesContext.getViewRoot().getLocale());
068 detail = format.format(args);
069 }
070 }
071 return new FacesMessage(severity, summary != null ? summary : key, detail);
072 }
073
074 public static FacesMessage createFacesMessage(FacesContext facesContext,
075 String bundle, String key, FacesMessage.Severity severity) {
076 return createFacesMessage(facesContext, bundle, key, severity, new Object[0]);
077 }
078
079 private static String getMessageText(
080 FacesContext facesContext, String bundle, String key) {
081 String message = ResourceManagerUtil.getProperty(facesContext, bundle, key);
082 if (message == null || message.length() < 1) {
083 try {
084 Locale locale = facesContext.getViewRoot().getLocale();
085 message = getFacesMessages(locale).getString(key);
086 } catch (Exception e) {
087 /* ignore at this point */
088 }
089 }
090 return message;
091 }
092
093 private static ResourceBundle getFacesMessages(Locale locale) {
094 ResourceBundle facesMessages = facesMessagesMap.get(locale);
095 if (facesMessages == null) {
096 facesMessages
097 = ResourceBundle.getBundle(FacesMessage.FACES_MESSAGES, locale);
098 facesMessagesMap.put(locale, facesMessages);
099 }
100 return facesMessages;
101 }
102 }