/jboss-as-7.1.1.Final/jpa/core/src/main/java/org/jboss/as/jpa/persistenceprovider/PersistenceProviderLoader.java
Java | 72 lines | 24 code | 9 blank | 39 comment | 3 complexity | 77a165efb45e8077d8a27870ce04650a MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
- /*
- * JBoss, Home of Professional Open Source.
- * Copyright 2011, Red Hat, Inc., and individual contributors
- * as indicated by the @author tags. See the copyright.txt file in the
- * distribution for a full listing of individual contributors.
- *
- * This 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 software 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.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this software; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
- */
- package org.jboss.as.jpa.persistenceprovider;
- import java.util.ServiceLoader;
- import javax.persistence.spi.PersistenceProvider;
- import org.jboss.as.jpa.config.Configuration;
- import org.jboss.modules.Module;
- import org.jboss.modules.ModuleIdentifier;
- import org.jboss.modules.ModuleLoadException;
- import org.jboss.modules.ModuleLoader;
- /**
- * For loading persistence provider modules
- *
- * @author Scott Marlow
- */
- public class PersistenceProviderLoader {
- /**
- * pre-loads the default persistence provider
- *
- * @throws ModuleLoadException
- */
- public static void loadDefaultProvider() throws ModuleLoadException {
- loadProviderModuleByName(Configuration.PROVIDER_MODULE_DEFAULT);
- }
- /**
- * Loads the specified JPA persistence provider module name
- *
- * @param moduleName
- * @throws ModuleLoadException
- */
- public static void loadProviderModuleByName(String moduleName) throws ModuleLoadException {
- final ModuleLoader moduleLoader = Module.getBootModuleLoader();
- Module module = moduleLoader.loadModule(ModuleIdentifier.fromString(moduleName));
- final ServiceLoader<PersistenceProvider> serviceLoader =
- module.loadService(PersistenceProvider.class);
- if (serviceLoader != null) {
- for (PersistenceProvider provider1 : serviceLoader) {
- // persistence provider jar may contain multiple provider service implementations
- // save each provider
- PersistenceProviderResolverImpl.getInstance().addPersistenceProvider(provider1);
- }
- }
- }
- }