/* (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.csw;
import java.util.List;
import net.opengis.cat.csw20.CapabilitiesType;
import net.opengis.cat.csw20.DescribeRecordType;
import net.opengis.cat.csw20.GetCapabilitiesType;
import net.opengis.cat.csw20.GetDomainType;
import net.opengis.cat.csw20.GetRecordByIdType;
import net.opengis.cat.csw20.GetRecordsType;
import net.opengis.cat.csw20.HarvestResponseType;
import net.opengis.cat.csw20.HarvestType;
import net.opengis.cat.csw20.TransactionType;
import org.geoserver.catalog.util.CloseableIterator;
import org.geoserver.config.GeoServer;
import org.geoserver.csw.records.RecordDescriptor;
import org.geoserver.csw.response.CSWRecordsResult;
import org.geoserver.csw.store.CatalogStore;
import org.geoserver.csw.store.RepositoryItem;
import org.geoserver.platform.GeoServerExtensions;
import org.geoserver.platform.ServiceException;
import org.opengis.feature.type.AttributeDescriptor;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
/**
* The default CSW implementation
*
* @author Andrea Aime - GeoSolutions
*/
public class DefaultWebCatalogService implements WebCatalogService, ApplicationContextAware {
private CSWInfo csw;
private GeoServer gs;
private CatalogStore store;
protected ApplicationContext context;
public DefaultWebCatalogService(GeoServer gs) {
this.csw = gs.getService(CSWInfo.class);
this.gs = gs;
}
public CSWInfo getServiceInfo() {
return gs.getService(CSWInfo.class);
}
@Override
public CapabilitiesType getCapabilities(GetCapabilitiesType request) throws ServiceException {
checkStore();
CapabilitiesType caps = new GetCapabilities(this.csw, this.store, context).run(request);
// check for decorator extensions
for(CapabilitiesDecorator decorator : GeoServerExtensions.extensions(CapabilitiesDecorator.class))
{
caps = decorator.decorate(caps, this.store);
}
return caps;
}
@Override
public AttributeDescriptor[] describeRecord(DescribeRecordType request) throws ServiceException {
checkStore();
return new DescribeRecord(this.csw, store).run(request);
}
@Override
public CSWRecordsResult getRecords(GetRecordsType request) throws ServiceException {
checkStore();
List<RecordDescriptor> descriptors = GeoServerExtensions.extensions(RecordDescriptor.class, context);
return new GetRecords(this.csw, store, descriptors).run(request);
}
@Override
public CSWRecordsResult getRecordById(GetRecordByIdType request) throws ServiceException {
checkStore();
List<RecordDescriptor> descriptors = GeoServerExtensions.extensions(RecordDescriptor.class, context);
return new GetRecordById(this.csw, store, descriptors).run(request);
}
@Override
public CloseableIterator<String> getDomain(GetDomainType request) throws ServiceException {
checkStore();
return new GetDomain(this.csw, this.store).run(request);
}
@Override
public RepositoryItem getRepositoryItem(GetRepositoryItemType request) throws ServiceException {
checkStore();
return new GetRepositoryItem(this.csw, this.store).run(request);
}
@Override
public HarvestResponseType harvest(HarvestType request) throws ServiceException {
checkStore();
throw new ServiceException("Harvest operation is not supported by this CSW service");
}
@Override
public HarvestResponseType transaction(TransactionType request) throws ServiceException {
checkStore();
throw new ServiceException("Transactions are not supported by this CSW service");
}
/**
* Checks we have a store to use
*/
private void checkStore() {
if (store == null) {
throw new ServiceException(
"Catalog service could not find a CatalogStore implementation registered in the Spring application context",
ServiceException.NO_APPLICABLE_CODE);
}
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.context = applicationContext;
// pick the implementation of CatalogStore that has the higher priority
List<CatalogStore> storeCandidates = GeoServerExtensions.extensions(CatalogStore.class, applicationContext);
if (storeCandidates != null && storeCandidates.size() > 0) {
String defaultStore = System.getProperty("DefaultCatalogStore");
if (defaultStore != null) {
for (CatalogStore store : storeCandidates) {
if (store.getClass().getName().equals(defaultStore)) {
this.store = store;
break;
}
}
}
if (store == null) {
store = storeCandidates.get(0);
}
}
}
}