Java tutorial
/** * *************************************************************************** * Copyright (c) 2010 Qcadoo Limited * Project: Qcadoo Framework * Version: 1.2.0 * * This file is part of Qcadoo. * * Qcadoo is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published * by the Free Software Foundation; either version 3 of the License, * or (at your option) any later version. * * This program 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * *************************************************************************** */ package com.qcadoo.customTranslation.internal; import static com.qcadoo.customTranslation.constants.CustomTranslationFields.ACTIVE; import static com.qcadoo.customTranslation.constants.CustomTranslationFields.KEY; import static com.qcadoo.customTranslation.constants.CustomTranslationFields.LOCALE; import static com.qcadoo.customTranslation.constants.CustomTranslationFields.PLUGIN_IDENTIFIER; import static com.qcadoo.customTranslation.constants.CustomTranslationFields.PROPERTIES_TRANSLATION; import java.lang.reflect.InvocationTargetException; import java.util.List; import java.util.Map; import java.util.Map.Entry; import org.apache.commons.beanutils.MethodUtils; import org.hibernate.classic.Session; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.security.util.FieldUtils; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import com.qcadoo.customTranslation.api.CustomTranslationManagementService; import com.qcadoo.customTranslation.constants.CustomTranslationContants; import com.qcadoo.model.api.DataDefinition; import com.qcadoo.model.api.DataDefinitionService; import com.qcadoo.model.api.Entity; import com.qcadoo.model.api.search.SearchRestrictions; @Service public class CustomTranslationManagementServiceImpl implements CustomTranslationManagementService { @Autowired private DataDefinitionService dataDefinitionService; @Override @Transactional @SuppressWarnings("unchecked") public void addCustomTranslations(final String pluginIdentifier, final String locale, final Map<String, String> translations) { DataDefinition customTranslationDD = getCustomTranslationDD(); Session currentSession = getCurrentSession(customTranslationDD); List<String> existingKeys = currentSession.createQuery( "SELECT key FROM com.qcadoo.model.beans.qcadooCustomTranslation.QcadooCustomTranslationCustomTranslation " + "WHERE pluginIdentifier = :pluginIdentifier AND locale = :locale") .setString("pluginIdentifier", pluginIdentifier).setString("locale", locale).list(); for (Entry<String, String> translation : translations.entrySet()) { String key = translation.getKey(); String value = translation.getValue(); if (existingKeys.contains(key)) { continue; } Object entity = getInstanceForEntity(customTranslationDD); FieldUtils.setProtectedFieldValue(PLUGIN_IDENTIFIER, entity, pluginIdentifier); FieldUtils.setProtectedFieldValue(KEY, entity, key); FieldUtils.setProtectedFieldValue(PROPERTIES_TRANSLATION, entity, value); FieldUtils.setProtectedFieldValue(LOCALE, entity, locale); FieldUtils.setProtectedFieldValue(ACTIVE, entity, false); currentSession.save(entity); } } @Override @Transactional public void removeCustomTranslations(final String pluginIdentifier) { DataDefinition customTranslationDD = getCustomTranslationDD(); Session currentSession = getCurrentSession(customTranslationDD); currentSession.createQuery( "UPDATE com.qcadoo.model.beans.qcadooCustomTranslation.QcadooCustomTranslationCustomTranslation " + "SET active = false WHERE pluginIdentifier = :pluginIdentifier AND active = true") .setString("pluginIdentifier", pluginIdentifier).executeUpdate(); } @Override @Transactional @SuppressWarnings("unchecked") public List<String> getCustomTranslationKeys(final String pluginIdentifier) { DataDefinition customTranslationDD = getCustomTranslationDD(); Session currentSession = getCurrentSession(customTranslationDD); return currentSession.createQuery( "SELECT key FROM com.qcadoo.model.beans.qcadooCustomTranslation.QcadooCustomTranslationCustomTranslation " + "WHERE pluginIdentifier = :pluginIdentifier") .setString("pluginIdentifier", pluginIdentifier).list(); } @Override public Entity getCustomTranslation(final String pluginIdentifier, final String locale, final String key) { return getCustomTranslationDD().find().add(SearchRestrictions.eq(PLUGIN_IDENTIFIER, pluginIdentifier)) .add(SearchRestrictions.eq(LOCALE, locale)).add(SearchRestrictions.eq(KEY, key)).setMaxResults(1) .uniqueResult(); } @Override public List<Entity> getCustomTranslations(final String locale) { return getCustomTranslationDD().find().add(SearchRestrictions.eq(LOCALE, locale)).list().getEntities(); } @Override public List<Entity> getCustomTranslations() { return getCustomTranslationDD().find().list().getEntities(); } @Override public DataDefinition getCustomTranslationDD() { return dataDefinitionService.get(CustomTranslationContants.PLUGIN_IDENTIFIER, CustomTranslationContants.MODEL_CUSTOM_TRANSLATION); } private Session getCurrentSession(final DataDefinition dataDefinition) { Object dataAccessService = FieldUtils.getProtectedFieldValue("dataAccessService", dataDefinition); Object hibernateService = FieldUtils.getProtectedFieldValue("hibernateService", dataAccessService); try { return (Session) MethodUtils.invokeExactMethod(hibernateService, "getCurrentSession", new Object[0]); } catch (NoSuchMethodException e) { throw new IllegalStateException(e.getMessage(), e); } catch (IllegalAccessException e) { throw new IllegalStateException(e.getMessage(), e); } catch (InvocationTargetException e) { throw new IllegalStateException(e.getMessage(), e); } } private Object getInstanceForEntity(final DataDefinition dataDefinition) { try { return MethodUtils.invokeExactMethod(dataDefinition, "getInstanceForEntity", new Object[0]); } catch (NoSuchMethodException e) { throw new IllegalStateException(e.getMessage(), e); } catch (IllegalAccessException e) { throw new IllegalStateException(e.getMessage(), e); } catch (InvocationTargetException e) { throw new IllegalStateException(e.getMessage(), e); } } }