Java tutorial
/** * Most of the code in the Qalingo project is copyrighted Hoteia and licensed * under the Apache License Version 2.0 (release version 0.7.0) * http://www.apache.org/licenses/LICENSE-2.0 * * Copyright (c) Hoteia, 2012-2013 * http://www.hoteia.com - http://twitter.com/hoteia - contact@hoteia.com * */ package fr.hoteia.qalingo.core.i18n.message.impl; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.Map; import org.apache.commons.lang.BooleanUtils; import org.apache.commons.lang.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.MessageSourceResolvable; import org.springframework.context.NoSuchMessageException; import org.springframework.stereotype.Service; import fr.hoteia.qalingo.core.Constants; import fr.hoteia.qalingo.core.domain.enumtype.EngineSettingWebAppContext; import fr.hoteia.qalingo.core.i18n.enumtype.I18nKeyValueUniverse; import fr.hoteia.qalingo.core.i18n.enumtype.ScopeCommonMessage; import fr.hoteia.qalingo.core.i18n.enumtype.ScopeEmailMessage; import fr.hoteia.qalingo.core.i18n.enumtype.ScopeReferenceDataMessage; import fr.hoteia.qalingo.core.i18n.enumtype.ScopeWebMessage; import fr.hoteia.qalingo.core.i18n.message.CoreMessageSource; import fr.hoteia.qalingo.core.i18n.message.ExtReloadableResourceBundleMessageSource; @Service("coreMessageSource") public class CoreMessageSourceImpl implements CoreMessageSource { private final Logger LOG = LoggerFactory.getLogger(getClass()); @Autowired private ExtReloadableResourceBundleMessageSource messageSource; /** * Common-Message */ public String getCommonMessage(final ScopeCommonMessage scope, String key, final Locale locale) { return getMessage(buildCommonFullKey(scope, key), locale); } public String getCommonMessage(final ScopeCommonMessage scope, String key, final Object[] params, final Locale locale) { return getMessage(buildCommonFullKey(scope, key), params, locale); } /** * Email-Message */ public String getEmailMessage(final ScopeEmailMessage scope, String key, final Locale locale) { return getMessage(buildEmailFullKey(scope, key), locale); } public String getEmailMessage(final ScopeEmailMessage scope, String key, final Object[] params, final Locale locale) { return getMessage(buildEmailFullKey(scope, key), params, locale); } /** * Specific */ public String getSpecificMessage(final I18nKeyValueUniverse universe, final ScopeWebMessage scope, String key, final Locale locale) { return getMessage(buildSpecificFullKey(universe, scope, key), locale); } public String getSpecificMessage(final I18nKeyValueUniverse universe, final ScopeWebMessage scope, String key, final Object[] params, final Locale locale) { return getMessage(buildSpecificFullKey(universe, scope, key), params, locale); } /** * ReferenceData */ public String getReferenceData(final ScopeReferenceDataMessage scope, String key, final Locale locale) { return getMessage(buildReferenceDataFullKey(scope, key), locale); } public String getReferenceData(final ScopeReferenceDataMessage scope, String key, final Object[] params, final Locale locale) { return getMessage(buildReferenceDataFullKey(scope, key), params, locale); } /* * (non-Javadoc) * @see fr.hoteia.qalingo.core.i18n.message.CoreMessageSource#loadWording(fr.hoteia.qalingo.core.domain.enumtype.EngineSettingWebAppContext, java.lang.String, java.util.Locale) */ public Map<String, String> loadWording(final EngineSettingWebAppContext context, final String group, final Locale locale) { final Map<String, String> wordingKeyValues = loadWording(context, locale); final Map<String, String> wordingFilteredKeyValues = new HashMap<String, String>(); for (Iterator<String> iterator = wordingKeyValues.keySet().iterator(); iterator.hasNext();) { String key = (String) iterator.next(); if (key.contains(group)) { wordingFilteredKeyValues.put(key, wordingKeyValues.get(key)); } } return wordingFilteredKeyValues; } /* * (non-Javadoc) * @see fr.hoteia.qalingo.core.i18n.message.CoreMessageSource#loadWording(fr.hoteia.qalingo.core.domain.enumtype.EngineSettingWebAppContext, java.util.Locale) */ public Map<String, String> loadWording(final EngineSettingWebAppContext context, final Locale locale) { final Map<String, String> wordingKeyValues = new HashMap<String, String>(); if (context != null) { String[] contextSplit = context.getPropertyKey().split("_"); String prefix = contextSplit[0].toLowerCase() + "-"; wordingKeyValues.putAll(loadWording(prefix, locale)); } return wordingKeyValues; } /* * (non-Javadoc) * @see fr.hoteia.qalingo.core.i18n.message.CoreMessageSource#loadWording(java.util.String, java.util.Locale) */ public Map<String, String> loadWording(final String pattern, final Locale locale) { final Map<String, String> wordingKeyValues = new HashMap<String, String>(); if (StringUtils.isNotEmpty(pattern)) { List<String> allFileNames = messageSource.getFileBasenames(); for (Iterator<String> iterator = allFileNames.iterator(); iterator.hasNext();) { String fileName = (String) iterator.next(); if (fileName.contains("wording") && (fileName.contains("common-") || fileName.contains(pattern))) { wordingKeyValues.putAll(messageSource.getWordingProperties(fileName, locale)); } } } return wordingKeyValues; } /* * (non-Javadoc) * @see fr.hoteia.qalingo.core.i18n.message.CoreMessageSource#getMessage(java.lang.String, java.lang.String, java.util.Locale) */ public String getMessage(final String code, final String defaultMessage, final Locale locale) { Object args[] = {}; return getMessage(code, args, defaultMessage, locale); } /* * (non-Javadoc) * @see fr.hoteia.qalingo.core.i18n.message.CoreMessageSource#getMessage(java.lang.String, java.lang.Object[], java.lang.String, java.util.Locale) */ public String getMessage(final String code, final Object args[], final String defaultMessage, final Locale locale) { try { return messageSource.getMessage(code, args, defaultMessage, locale); } catch (Exception e) { if (code != null && code.contains("javax")) { LOG.warn("This message key doesn't exist: " + code + ", for this locale: " + locale.toString()); } else { LOG.error("This message key doesn't exist: " + code + ", for this locale: " + locale.toString()); } if (BooleanUtils.negate(locale.toString().equalsIgnoreCase(Constants.DEFAULT_LOCALE_CODE))) { return getMessage(code, args, defaultMessage, new Locale(Constants.DEFAULT_LOCALE_CODE)); } } return null; } /* * (non-Javadoc) * @see fr.hoteia.qalingo.core.i18n.message.CoreMessageSource#getMessage(java.lang.String, java.util.Locale) */ public String getMessage(final String code, final Locale locale) throws NoSuchMessageException { Object args[] = {}; return getMessage(code, args, locale); } /* * (non-Javadoc) * @see fr.hoteia.qalingo.core.i18n.message.CoreMessageSource#getMessage(java.lang.String, java.lang.Object[], java.util.Locale) */ public String getMessage(final String code, final Object args[], final Locale locale) throws NoSuchMessageException { try { return messageSource.getMessage(code, args, locale); } catch (Exception e) { LOG.error("This message key doesn't exist: " + code + ", for this locale: " + locale.toString()); if (BooleanUtils.negate(locale.toString().equalsIgnoreCase(Constants.DEFAULT_LOCALE_CODE))) { return getMessage(code, args, new Locale(Constants.DEFAULT_LOCALE_CODE)); } } return null; } /* * (non-Javadoc) * @see fr.hoteia.qalingo.core.i18n.message.CoreMessageSource#getMessage(org.springframework.context.MessageSourceResolvable, java.util.Locale) */ public String getMessage(final MessageSourceResolvable resolvable, final Locale locale) throws NoSuchMessageException { try { return messageSource.getMessage(resolvable, locale); } catch (Exception e) { LOG.error("This message key doesn't exist: " + resolvable.getCodes() + ", for this locale: " + locale.toString()); if (BooleanUtils.negate(locale.toString().equalsIgnoreCase(Constants.DEFAULT_LOCALE_CODE))) { return getMessage(resolvable, new Locale(Constants.DEFAULT_LOCALE_CODE)); } } return null; } public void clearCache() { messageSource.clearCache(); } private String buildCommonFullKey(final ScopeCommonMessage scope, String key) { return I18nKeyValueUniverse.COMMON.getPropertyKey() + "." + scope.getPropertyKey() + "." + handleKey(key); } private String buildEmailFullKey(final ScopeEmailMessage scope, String key) { return I18nKeyValueUniverse.EMAIL.getPropertyKey() + "." + scope.getPropertyKey() + "." + handleKey(key); } private String buildSpecificFullKey(final I18nKeyValueUniverse universe, final ScopeWebMessage scope, String key) { return universe.getPropertyKey() + "." + scope.getPropertyKey() + "." + handleKey(key); } private String buildReferenceDataFullKey(final ScopeReferenceDataMessage scope, String key) { return scope.getPropertyKey() + "." + handleKey(key); } private String handleKey(String key) { key = key.replaceAll("\\.", "_"); key = key.replaceAll("\\-", "_"); return key; } }