/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
* (c) 2001 - 2013 OpenPlans
* This code is licensed under the GPL 2.0 license, available at the root
* application directory.
*/
package org.geoserver.catalog.hib;
import org.geoserver.catalog.Catalog;
import org.geoserver.catalog.LayerInfo;
import org.geoserver.catalog.Wrapper;
import org.geoserver.catalog.impl.LayerGroupInfoImpl;
import org.geoserver.catalog.impl.ResourceInfoImpl;
import org.geoserver.catalog.impl.StoreInfoImpl;
import org.geoserver.catalog.impl.StyleInfoImpl;
import org.geoserver.config.GeoServer;
import org.geoserver.config.GeoServerInitializer;
import org.geoserver.config.impl.GeoServerInfoImpl;
import org.geoserver.config.impl.ServiceInfoImpl;
import org.geoserver.platform.GeoServerExtensions;
import org.hibernate.event.PostLoadEvent;
import org.hibernate.event.PostLoadEventListener;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
/**
* Event listener that sets the transient catalog reference on catalog objects.
*
* @author Justin Deoliveira, OpenGeo
*
*/
public class HibPostLoadEventListener implements PostLoadEventListener, ApplicationContextAware,
GeoServerInitializer {
ApplicationContext appContext;
GeoServer geoServer;
Catalog catalog;
boolean active = false;
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.appContext = applicationContext;
}
public void initialize(GeoServer geoServer) throws Exception {
this.geoServer = geoServer;
//we need the original catalog, not a wrapper
Catalog catalog = geoServer.getCatalog();
if (catalog instanceof Wrapper) {
catalog = ((Wrapper)catalog).unwrap(Catalog.class);
}
this.catalog = catalog;
active = true;
}
public void onPostLoad(PostLoadEvent event) {
if (!active) return;
Object entity = event.getEntity();
if (entity instanceof StoreInfoImpl) {
((StoreInfoImpl)entity).setCatalog(catalog);
}
else if (entity instanceof ResourceInfoImpl) {
((ResourceInfoImpl)entity).setCatalog(catalog);
}
else if (entity instanceof StyleInfoImpl) {
((StyleInfoImpl)entity).setCatalog(catalog);
}
else if (entity instanceof LayerGroupInfoImpl) {
//hack to get around default styles being represented by null
//TODO: see if we can coax the hibernate mappings into doing this for us
LayerGroupInfoImpl lg = (LayerGroupInfoImpl) entity;
if (lg.getStyles().isEmpty()) {
for (LayerInfo l : lg.getLayers()) {
lg.getStyles().add(null);
}
}
}
else if (entity instanceof ServiceInfoImpl) {
((ServiceInfoImpl)entity).setGeoServer(geoServer);
}
else if (entity instanceof GeoServerInfoImpl) {
//contact is mapped as a component... and hibernate assumes that all null values
// means a null object... i don't think this is configurable but coudl be wrong
GeoServerInfoImpl global = (GeoServerInfoImpl) entity;
if (global.getContact() == null) {
global.setContact(geoServer.getFactory().createContact());
}
}
}
}