Java tutorial
/* * Copyright 2004 original author or authors. * * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0 * * 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 com.ultrapower.eoms.common.plugin.ecside.resource; import java.text.MessageFormat; import java.util.ArrayList; import java.util.List; import java.util.Locale; import java.util.MissingResourceException; import java.util.ResourceBundle; import org.apache.commons.lang.StringUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.ultrapower.eoms.common.plugin.ecside.common.log.LogHandler; import com.ultrapower.eoms.common.plugin.ecside.core.Messages; import com.ultrapower.eoms.common.plugin.ecside.core.TableModelUtils; import com.ultrapower.eoms.common.plugin.ecside.core.context.WebContext; /** * Load up the resource bundle that will be used by the Model. * * @author Jeff Johnston */ public class TableResourceBundle implements Messages { private Log logger = LogFactory.getLog(TableResourceBundle.class); public final static String EXTREMETABLE_RESOURCE_BUNDLE = "com.ultrapower.eoms.common.plugin.ecside.resource.ecsideResourceBundle"; private ResourceBundle defaultResourceBundle; private Locale locale; private List customResourceBundleList = new ArrayList(); private static String SPLIT = ","; public void init(WebContext context, Locale locale) { this.locale = locale; defaultResourceBundle = findResourceBundle(EXTREMETABLE_RESOURCE_BUNDLE, locale); String messagesLocations = TableModelUtils.getMessagesLocation(context); if (StringUtils.isBlank(messagesLocations)){ return; } String[] messagesLocationA = messagesLocations.split(SPLIT); String messagesLocation; for(int i=0; i < messagesLocationA.length ;i++ ) { messagesLocation=messagesLocationA[i].trim(); if (StringUtils.isNotBlank( messagesLocation )) { customResourceBundleList.add(findResourceBundle(messagesLocation, locale)); } } } private ResourceBundle findResourceBundle(String resourceBundleLocation, Locale locale) { try { return ResourceBundle.getBundle(resourceBundleLocation, locale, getClass().getClassLoader()); } catch (MissingResourceException e) { LogHandler.errorLog(logger,"The resource bundle [ " + resourceBundleLocation + "] was not found. Make sure the path and resource name is correct.", e); } return null; } /** * Get the resource property. */ public String getMessage(String code) { return getMessage(code, null); } /** * Get the resource property. */ public String getMessage(String code, Object[] args) { String result = null; ResourceBundle customResourceBundle; for (int i = 0; i < customResourceBundleList.size(); i++) { customResourceBundle = (ResourceBundle) customResourceBundleList .get(i); result = findResource(customResourceBundle, code); if (result != null) { break; } } if (result == null) { result = findResource(defaultResourceBundle, code); } if (result != null && args != null) { MessageFormat formatter = new MessageFormat(""); formatter.setLocale(locale); formatter.applyPattern(result); result = formatter.format(args); } return result; } private String findResource(ResourceBundle resourceBundle, String code) { String result = null; if (resourceBundle == null) { return result; } try { result = resourceBundle.getString(code); } catch (MissingResourceException e) { // nothing we can do so eat the message } return result; } }