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basic regions now working again
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Jesse Eichar committed Nov 15, 2012
1 parent 0fc112e commit 6577bb9
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Showing 11 changed files with 457 additions and 201 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -698,8 +698,8 @@ else if (userSession.getProfile().equals(Geonet.Profile.REVIEWER)) {
// Use RegionsData rather than fetching from the DB everytime
//
//request.addContent(Lib.db.select(dbms, "Regions", "region"));
RegionsDAO dao = srvContext.getApplicationContext().getBean(RegionsDAO.class);
request.addContent(dao.getAllRegionsAsXml(srvContext));
// RegionsDAO dao = srvContext.getApplicationContext().getBean(RegionsDAO.class);
// request.addContent(dao.getAllRegionsAsXml(srvContext));
}

/*
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@@ -0,0 +1,73 @@
package org.fao.geonet.services.region;

import java.io.IOException;
import java.util.Map;
import java.util.WeakHashMap;

import jeeves.server.context.ServiceContext;

import org.geotools.data.simple.SimpleFeatureSource;
import org.jdom.JDOMException;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.filter.FilterFactory2;

public class CountryMapper extends DatastoreMapper {
private static final String COUNTRY_DESC = "DESC";
private static final String COUNTRY_NAME = "LAND";
private static final String COUNTRY_ID = "ID";
private static final String CATEGORY_ID = "country";
private static final String PREFIX = CATEGORY_ID+":";
private static final String SIMPLIFIED_BACKING_DS = "countries";
private static final String BACKING_DS = "countries_search";

public CountryMapper(ServiceContext context, DatastoreCache datastoreCache, FilterFactory2 filterFactory, WeakHashMap<String,Map<String,String>> categoryIdMap) {
super(context, categoryIdMap, filterFactory, datastoreCache);
}
@Override
public boolean accepts(String regionId) {
return regionId.startsWith(PREFIX);
}

@Override
public String categoryId() {
return CATEGORY_ID;
}

@Override
protected String idPropertyName() {
return COUNTRY_ID;
}

@Override
public String[] propNames(boolean simplified, boolean includeGeom) {
if(simplified) {
if(includeGeom) {
return new String[]{COUNTRY_ID, COUNTRY_NAME, COUNTRY_DESC, THE_GEOM};
} else {
return new String[]{COUNTRY_ID, COUNTRY_NAME, COUNTRY_DESC};
}
} else {
if(includeGeom) {
return new String[]{COUNTRY_ID, COUNTRY_NAME, THE_GEOM};
} else {
return new String[]{COUNTRY_ID, COUNTRY_NAME};
}
}
}

@Override
public Region constructRegion(SimpleFeature next) throws JDOMException, IOException {
return super.constructRegion(next, PREFIX,COUNTRY_NAME, CATEGORY_ID);
}

@Override
public String getBackingDatastoreName(boolean simplified) {
return simplified ? SIMPLIFIED_BACKING_DS: BACKING_DS ;
}

@Override
protected SimpleFeatureSource getFeatureSource(boolean simplified) throws IOException {
return datastoreCache.getCached(context, this, simplified);
}

}
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@@ -1,60 +1,55 @@
package org.fao.geonet.services.region;

import static org.fao.geonet.services.region.GeocatRegionsRequest.*;
import java.io.IOException;

import jeeves.server.context.ServiceContext;

import org.fao.geonet.constants.Geonet;
import org.geotools.data.DataStore;
import org.geotools.data.Query;
import org.geotools.data.SchemaNotFoundException;
import org.geotools.data.memory.MemoryDataStore;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.data.simple.SimpleFeatureSource;
import org.geotools.data.simple.SimpleFeatureStore;
import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
import org.opengis.feature.type.AttributeDescriptor;
import org.opengis.filter.Filter;

public class DatastoreCache {
private static final String THE_GEOM = "the_geom";
private MemoryDataStore cache = null;

public synchronized SimpleFeatureSource getKantons(ServiceContext context) throws IOException {
SimpleFeatureSource featureSource = cache.getFeatureSource(KANTON);
if(featureSource == null) {
featureSource = loadIntoMemory(context, "kantoneBB", KANTON, new String[]{KANTONE_NAME, THE_GEOM});
}
return featureSource;
}

public synchronized SimpleFeatureSource getCountries(ServiceContext context) throws IOException {
SimpleFeatureSource featureSource = cache.getFeatureSource(COUNTRY);
if(featureSource == null) {
featureSource = loadIntoMemory(context, "country", COUNTRY, new String[]{COUNTRY_NAME, COUNTRY_DESC, THE_GEOM});
}
return featureSource;
}
private MemoryDataStore cache = new MemoryDataStore();

public synchronized SimpleFeatureSource getGemeindens(ServiceContext context) throws IOException {
DataStore postgis = (DataStore) context.getApplicationContext().getBean(Geonet.BeanId.DATASTORE);
return postgis.getFeatureSource("gemeindenBB");
}


private SimpleFeatureSource loadIntoMemory(ServiceContext context, String sourceTypeName, String cacheTypeName, String[] attributes)
private SimpleFeatureSource loadIntoMemory(ServiceContext context, DatastoreMapper mapper, boolean simplified)
throws IOException {
SimpleFeatureSource featureSource;
String[] propNames = mapper.propNames(simplified, true);
String sourceTypeName = mapper.getBackingDatastoreName(simplified);
String cacheTypeName = mapper.getBackingDatastoreName(simplified);

DataStore postgis = (DataStore) context.getApplicationContext().getBean(Geonet.BeanId.DATASTORE);
SimpleFeatureSource kantonBB = postgis.getFeatureSource(sourceTypeName);
SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
for (String att : attributes) {
builder.add(kantonBB.getSchema().getDescriptor(att));
for (String att : propNames) {
AttributeDescriptor descriptor = kantonBB.getSchema().getDescriptor(att);
builder.add(descriptor);
}
builder.setName(cacheTypeName);
cache.createSchema(builder.buildFeatureType());
SimpleFeatureStore featureStore = (SimpleFeatureStore) cache.getFeatureSource(cacheTypeName);
featureSource = featureStore;
featureStore.addFeatures(kantonBB.getFeatures(new Query(sourceTypeName, Filter.INCLUDE, attributes)));
SimpleFeatureCollection features = kantonBB.getFeatures(new Query(sourceTypeName, Filter.INCLUDE, propNames));
featureStore.addFeatures(features);
return featureStore;
}

public SimpleFeatureSource getCached(ServiceContext context, DatastoreMapper mapper, boolean simplified) throws IOException {
SimpleFeatureSource featureSource;
String typeName = mapper.getBackingDatastoreName(simplified);
try {
featureSource = cache.getFeatureSource(typeName);
} catch (SchemaNotFoundException e) {
featureSource = loadIntoMemory(context, mapper, simplified);
}
return featureSource;
}


}
125 changes: 125 additions & 0 deletions web/src/main/java/org/fao/geonet/services/region/DatastoreMapper.java
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@@ -0,0 +1,125 @@
package org.fao.geonet.services.region;

import java.io.IOException;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.WeakHashMap;

import jeeves.server.context.ServiceContext;

import org.fao.geonet.util.LangUtils;
import org.geotools.data.Query;
import org.geotools.data.simple.SimpleFeatureIterator;
import org.geotools.data.simple.SimpleFeatureSource;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.jdom.JDOMException;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.filter.Filter;
import org.opengis.filter.FilterFactory2;
import org.opengis.filter.expression.Expression;

import com.vividsolutions.jts.geom.Geometry;

public abstract class DatastoreMapper {

protected static final String THE_GEOM = "the_geom";

protected final ServiceContext context;
protected final WeakHashMap<String, Map<String, String>> categoryIdMap;
protected final FilterFactory2 filterFactory;
protected DatastoreCache datastoreCache;

public DatastoreMapper(ServiceContext context,
WeakHashMap<String, Map<String, String>> categoryIdMap, FilterFactory2 filterFactory, DatastoreCache datastoreCache) {
this.context = context;
this.categoryIdMap = categoryIdMap;
this.filterFactory = filterFactory;
this.datastoreCache = datastoreCache;
}

public abstract boolean accepts(String regionId);

protected abstract String idPropertyName();

public abstract String categoryId();

protected abstract SimpleFeatureSource getFeatureSource(boolean simplified) throws IOException;

public abstract String[] propNames(boolean simplified, boolean includeGeom);

public abstract Region constructRegion(SimpleFeature next) throws JDOMException, IOException;

public abstract String getBackingDatastoreName(boolean simplified);

public final Filter idFilter(String regionId) {
Expression propertyExpression = filterFactory.property(idPropertyName());
Expression requiredValue = filterFactory.literal(regionId.substring(categoryId().length()+1));
return filterFactory.equal(propertyExpression, requiredValue, false);
}

public final void loadRegions(Collection<Region> results, int maxRegions,Filter filter) throws IOException,
JDOMException {
boolean simplified = true;
SimpleFeatureSource featureSource = getFeatureSource(simplified);
Query query = createQuery(simplified, maxRegions, filter);
SimpleFeatureIterator features = featureSource.getFeatures(query).features();
try {
while (features.hasNext()) {
SimpleFeature next = features.next();
results.add(constructRegion(next));
}
} finally {
features.close();
}
}

private Query createQuery(boolean simplified, int maxRegions, Filter filter) {
Query query = new Query(getBackingDatastoreName(simplified), filter);
query.setMaxFeatures(maxRegions);
query.setPropertyNames(propNames(simplified, false));
return query;
}

public Region constructRegion(SimpleFeature feature, String prefix, String labelAttName,
String categoryId) throws JDOMException, IOException {

String id = prefix+feature.getID();
Map<String, String> labels = new HashMap<String, String>();
String label = feature.getAttribute(labelAttName).toString();
labels.put("eng", label);
labels.put("ger", label);
labels.put("fre", label);
labels.put("ita", label);
boolean hasGeom = true;
ReferencedEnvelope bbox = new ReferencedEnvelope(feature.getBounds());
Map<String, String> kantonLabels = categoryIdMap.get(categoryId);
if(kantonLabels == null) {
kantonLabels = LangUtils.translate(context, categoryId);
categoryIdMap.put(categoryId, kantonLabels);
}
return new Region(id, labels, categoryId, kantonLabels, hasGeom, bbox);

}

public Geometry getGeometry(boolean simplified, String regionId) throws IOException {
SimpleFeatureSource featureSource = getFeatureSource(simplified);
SimpleFeatureIterator features = featureSource.getFeatures(idFilter(regionId)).features();
try {
if(features.hasNext()) {
SimpleFeature feature = features.next();
if(features.hasNext()) {
throw new IllegalStateException("there is more than one region found");
}
return (Geometry) feature.getDefaultGeometry();
} else {
return null;
}

} finally {
features.close();
}
}


}
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@@ -0,0 +1,80 @@
package org.fao.geonet.services.region;

import java.io.IOException;
import java.util.Map;
import java.util.WeakHashMap;

import jeeves.server.context.ServiceContext;

import org.fao.geonet.constants.Geonet;
import org.geotools.data.DataStore;
import org.geotools.data.simple.SimpleFeatureSource;
import org.jdom.JDOMException;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.filter.FilterFactory2;

public class GemeindenMapper extends DatastoreMapper {

private static final String GEMEINDEN_DESC = "DESC";
private static final String GEMEINDEN_NAME = "GEMNAME";
private static final String GEMEINDEN_ID = "OBJECTVAL";
private static final String CATEGORY_ID = "gemeinden";
private static final String PREFIX = CATEGORY_ID + ":";
private static final String SIMPLIFIED_BACKING_DS = "gemeindenBB";
private static final String BACKING_DS = "gemeinden_search";

public GemeindenMapper(ServiceContext context,
DatastoreCache datastoreCache, FilterFactory2 filterFactory,
WeakHashMap<String, Map<String, String>> categoryIdMap) {
super(context, categoryIdMap, filterFactory, datastoreCache);
}

@Override
public boolean accepts(String regionId) {
return regionId.startsWith(PREFIX);
}

@Override
protected String idPropertyName() {
return GEMEINDEN_ID;
}
@Override
public String categoryId() {
return CATEGORY_ID;
}

@Override
public String[] propNames(boolean simplified, boolean includeGeom) {
if(simplified) {
if(includeGeom) {
return new String[]{GEMEINDEN_ID, GEMEINDEN_NAME, GEMEINDEN_DESC, THE_GEOM};
} else {
return new String[]{GEMEINDEN_ID, GEMEINDEN_NAME, GEMEINDEN_DESC};
}
} else {
if(includeGeom) {
return new String[]{GEMEINDEN_ID, GEMEINDEN_NAME, THE_GEOM};
} else {
return new String[]{GEMEINDEN_ID, GEMEINDEN_NAME};
}
}
}
@Override
public Region constructRegion(SimpleFeature next) throws JDOMException,
IOException {
return super.constructRegion(next, PREFIX, GEMEINDEN_NAME, CATEGORY_ID);
}

@Override
public String getBackingDatastoreName(boolean simplified) {
return simplified ? SIMPLIFIED_BACKING_DS: BACKING_DS ;
}

@Override
protected SimpleFeatureSource getFeatureSource(boolean simplified) throws IOException {
String typeName = getBackingDatastoreName(simplified);
DataStore ds = context.getApplicationContext().getBean(Geonet.BeanId.DATASTORE, DataStore.class);
return ds.getFeatureSource(typeName);
}

}
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