/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of 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.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.persistence.orm.spring.hibernate;
import java.net.URL;
import java.util.HashMap;
import org.smallmind.persistence.orm.SessionSource;
import org.smallmind.persistence.orm.hibernate.HibernateDao;
import org.smallmind.persistence.spring.ManagedDaoSupport;
import org.springframework.beans.BeansException;
import org.springframework.beans.FatalBeanException;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.core.io.Resource;
import org.springframework.core.io.UrlResource;
public class FileSeekingBeanFactoryPostProcessor implements BeanFactoryPostProcessor {
private static final HashMap<String, HashMap<Class, UrlResource>> HBM_DATA_SOURCE_MAP = new HashMap<>();
private static final UrlResource[] NO_RESOURCES = new UrlResource[0];
public static Resource[] getHibernateResources () {
return getResources(null);
}
public static Resource[] getResources (String sessionSourceKey) {
UrlResource[] hbmResources;
HashMap<Class, UrlResource> hbmResourceMap;
if ((hbmResourceMap = HBM_DATA_SOURCE_MAP.get(sessionSourceKey)) == null) {
return NO_RESOURCES;
}
hbmResources = new UrlResource[hbmResourceMap.size()];
hbmResourceMap.values().toArray(hbmResources);
return hbmResources;
}
public void postProcessBeanFactory (ConfigurableListableBeanFactory configurableListableBeanFactory)
throws BeansException {
for (String beanName : configurableListableBeanFactory.getBeanDefinitionNames()) {
Class<?> beanClass;
if ((beanClass = configurableListableBeanFactory.getType(beanName)) != null) {
if (HibernateDao.class.isAssignableFrom(beanClass)) {
Class persistentClass;
if ((persistentClass = ManagedDaoSupport.findDurableClass(beanClass)) == null) {
throw new FatalBeanException("No inference of the Durable class for type(" + beanClass.getName() + ") was possible");
} else {
HashMap<Class, UrlResource> hbmResourceMap;
SessionSource sessionSource;
String sessionSourceKey = null;
if ((sessionSource = beanClass.getAnnotation(SessionSource.class)) != null) {
sessionSourceKey = sessionSource.value();
}
if ((hbmResourceMap = HBM_DATA_SOURCE_MAP.get(sessionSourceKey)) == null) {
HBM_DATA_SOURCE_MAP.put(sessionSourceKey, hbmResourceMap = new HashMap<>());
}
// Stop when we find a parent class which has already been mapped, signifying the rest of the tree has been previously processed
while ((persistentClass != null) && (!hbmResourceMap.containsKey(persistentClass))) {
String packageRemnant;
String hbmFileName;
packageRemnant = persistentClass.getPackage().getName().replace('.', '/');
hbmFileName = persistentClass.getSimpleName() + ".hbm.xml";
do {
URL hbmURL;
int lastSlashIndex;
if ((hbmURL = configurableListableBeanFactory.getBeanClassLoader().getResource((packageRemnant.length() > 0) ? packageRemnant + '/' + hbmFileName : hbmFileName)) != null) {
hbmResourceMap.put(persistentClass, new UrlResource(hbmURL));
}
packageRemnant = packageRemnant.length() > 0 ? packageRemnant.substring(0, (lastSlashIndex = packageRemnant.lastIndexOf('/')) >= 0 ? lastSlashIndex : 0) : null;
} while (packageRemnant != null);
persistentClass = persistentClass.getSuperclass();
}
}
}
}
}
}
}