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Entando Engine: an agile, modern and user-centric open source Portal platform.
/*
* Copyright 2015-Present Entando Inc. (http://www.entando.com) All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.agiletec.aps.system.services.i18n;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.text.StrSubstitutor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.agiletec.aps.system.common.AbstractService;
import com.agiletec.aps.system.exception.ApsSystemException;
import com.agiletec.aps.system.services.i18n.cache.II18nManagerCacheWrapper;
import com.agiletec.aps.system.services.lang.ILangManager;
import com.agiletec.aps.util.ApsProperties;
/**
* Servizio che fornisce stringhe "localizzate". Le stringhe sono specificate da
* una chiave di identificazione e dalla lingua di riferimento.
*/
public class I18nManager extends AbstractService implements II18nManager {
private static final Logger logger = LoggerFactory.getLogger(I18nManager.class);
private II18nManagerCacheWrapper cacheWrapper;
private ILangManager langManager;
private II18nDAO i18nDAO;
protected II18nDAO getI18nDAO() {
return i18nDAO;
}
public void setI18nDAO(II18nDAO i18nDao) {
i18nDAO = i18nDao;
}
protected ILangManager getLangManager() {
return langManager;
}
public void setLangManager(ILangManager langManager) {
this.langManager = langManager;
}
protected II18nManagerCacheWrapper getCacheWrapper() {
return cacheWrapper;
}
public void setCacheWrapper(II18nManagerCacheWrapper cacheWrapper) {
this.cacheWrapper = cacheWrapper;
}
protected String getDefaultLang() {
return this.getLangManager().getDefaultLang().getCode();
}
@Override
public void init() throws Exception {
this.getCacheWrapper().initCache(this.getI18nDAO());
logger.debug("{} : initialized {} labels", this.getClass().getName(), this.getLabelGroups().size());
}
/**
* Return the group of labels.
*
* @return The group of labels.
*/
@Override
public Map getLabelGroups() {
return this.getCacheWrapper().getLabelGroups();
}
@Override
public String renderLabel(String key, String renderingLang,
boolean keyIfEmpty) throws ApsSystemException {
String label = null;
ApsProperties labelsProp = this.getLabelGroup(key);
if (labelsProp != null) {
label = labelsProp.getProperty(renderingLang);
if (StringUtils.isEmpty(label)) {
label = labelsProp.getProperty(this.getDefaultLang());
}
}
if (keyIfEmpty && StringUtils.isEmpty(label)) {
label = key;
}
return label;
}
@Override
public String renderLabel(String key, String renderingLang,
boolean keyIfEmpty, Map params) throws ApsSystemException {
String value = this.renderLabel(key, renderingLang, keyIfEmpty);
if (params != null && !params.isEmpty() && value != null) {
value = this.parseText(value, params);
}
return value;
}
protected String parseText(String defaultText, Map params) {
StrSubstitutor strSub = new StrSubstitutor(params);
return strSub.replace(defaultText);
}
/**
* Restituisce una label in base alla chiave ed alla lingua specificata.
*
* @param key La chiave
* @param langCode Il codice della lingua.
* @return La label richiesta.
*/
@Override
public String getLabel(String key, String langCode) {
String label = null;
ApsProperties labelsProp = this.getCacheWrapper().getLabelGroup(key);
if (labelsProp != null) {
label = labelsProp.getProperty(langCode);
}
return label;
}
@Override
public ApsProperties getLabelGroup(String key) throws ApsSystemException {
ApsProperties labelsProp = this.getCacheWrapper().getLabelGroup(key);
if (null == labelsProp) {
return null;
}
return labelsProp.clone();
}
/**
* Add a group of labels on db.
*
* @param key The key of the labels.
* @param labels The labels to add.
* @throws ApsSystemException In case of Exception.
*/
@Override
public void addLabelGroup(String key, ApsProperties labels) throws ApsSystemException {
try {
this.getI18nDAO().addLabelGroup(key, labels);
this.getCacheWrapper().addLabelGroup(key, labels);
} catch (Throwable t) {
logger.error("Error while adding a group of labels by key '{}'", key, t);
throw new ApsSystemException("Error while adding a group of labels", t);
}
}
/**
* Delete a group of labels from db.
*
* @param key The key of the labels to delete.
* @throws ApsSystemException In case of Exception.
*/
@Override
public void deleteLabelGroup(String key) throws ApsSystemException {
try {
this.getI18nDAO().deleteLabelGroup(key);
this.getCacheWrapper().removeLabelGroup(key);
} catch (Throwable t) {
logger.error("Error while deleting a label by key {}", key, t);
throw new ApsSystemException("Error while deleting a label", t);
}
}
/**
* Update a group of labels on db.
*
* @param key The key of the labels.
* @param labels The key of the labels to update.
* @throws ApsSystemException In case of Exception.
*/
@Override
public void updateLabelGroup(String key, ApsProperties labels) throws ApsSystemException {
try {
this.getI18nDAO().updateLabelGroup(key, labels);
this.getCacheWrapper().updateLabelGroup(key, labels);
} catch (Throwable t) {
logger.error("Error while updating label with key {}", key, t);
throw new ApsSystemException("Error while updating a label", t);
}
}
/**
* Restituisce la lista di chiavi di gruppi di labels in base ai parametri
* segnalati.
*
* @param insertedText Il testo tramite il quale effettuare la ricerca.
* @param doSearchByKey Specifica se effettuare la ricerca sulle chiavi, in
* base al testo inserito.
* @param doSearchByLang Specifica se effettuare la ricerca sul testo di una
* lingua, in base al testo inserito.
* @param langCode Specifica la lingua della label sulla quale effettuare la
* ricerca, in base al testo inserito.
* @return La lista di chiavi di gruppi di labels in base ai parametri
* segbalati.
*/
@Override
public List searchLabelsKey(String insertedText, boolean doSearchByKey,
boolean doSearchByLang, String langCode) {
List keys = new ArrayList<>();
Pattern pattern = Pattern.compile(insertedText, Pattern.CASE_INSENSITIVE + Pattern.LITERAL);
Matcher matcher = pattern.matcher("");
List allKeys = new ArrayList<>(this.getLabelGroups().keySet());
for (String key : allKeys) {
ApsProperties properies = this.getLabelGroups().get(key);
if (!doSearchByKey && !doSearchByLang) {
matcher = matcher.reset(key);
if (matcher.find()) {
keys.add(key);
} else {
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