/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2012, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.service;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

import org.hibernate.boot.registry.BootstrapServiceRegistry;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.internal.jaxb.Origin;
import org.hibernate.internal.jaxb.SourceType;
import org.hibernate.internal.jaxb.cfg.JaxbHibernateConfiguration;
import org.hibernate.internal.util.ValueHolder;
import org.hibernate.internal.util.config.ConfigurationException;
import org.hibernate.service.internal.JaxbProcessor;

import org.jboss.logging.Logger;

Loads cfg.xml files.
Author:Steve Ebersole
/** * Loads {@code cfg.xml} files. * * @author Steve Ebersole */
public class ConfigLoader { private static final Logger log = Logger.getLogger( ConfigLoader.class ); private final BootstrapServiceRegistry bootstrapServiceRegistry; private ValueHolder<JaxbProcessor> jaxbProcessorHolder = new ValueHolder<JaxbProcessor>( new ValueHolder.DeferredInitializer<JaxbProcessor>() { @Override public JaxbProcessor initialize() { return new JaxbProcessor( bootstrapServiceRegistry.getService( ClassLoaderService.class ) ); } } ); public ConfigLoader(BootstrapServiceRegistry bootstrapServiceRegistry) { this.bootstrapServiceRegistry = bootstrapServiceRegistry; } public JaxbHibernateConfiguration loadConfigXmlResource(String cfgXmlResourceName) { final InputStream stream = bootstrapServiceRegistry.getService( ClassLoaderService.class ).locateResourceStream( cfgXmlResourceName ); if ( stream == null ) { throw new ConfigurationException( "Could not locate cfg.xml resource [" + cfgXmlResourceName + "]" ); } return jaxbProcessorHolder.getValue().unmarshal( stream, new Origin( SourceType.RESOURCE, cfgXmlResourceName ) ); } public Properties loadProperties(String resourceName) { final InputStream stream = bootstrapServiceRegistry.getService( ClassLoaderService.class ).locateResourceStream( resourceName ); try { Properties properties = new Properties(); properties.load( stream ); return properties; } catch (IOException e) { throw new ConfigurationException( "Unable to apply settings from properties file [" + resourceName + "]", e ); } finally { try { stream.close(); } catch (IOException e) { log.debug( String.format( "Unable to close properties file [%s] stream", resourceName ), e ); } } } }