/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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.
*/
package org.geotools.data.ws;
import java.io.IOException;
import java.util.Collections;
import java.util.Set;
import org.geotools.data.DataStore;
import org.geotools.data.DefaultQuery;
import org.geotools.data.FeatureListener;
import org.geotools.data.FeatureSource;
import org.geotools.data.Query;
import org.geotools.data.QueryCapabilities;
import org.geotools.data.ResourceInfo;
import org.geotools.data.complex.xml.XmlFeatureSource;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.feature.type.Name;
import org.opengis.filter.Filter;
import org.xml.sax.helpers.NamespaceSupport;
/**
* Simple implementation of XmlFeatureSource
* <p>
* This implementation is really simple in the sense that it delegates all the hard work to the
* {@link XmlDataStore} provided.
* </p>
*
* @author rpetty
* @version $Id$
*
*
*
* @source $URL$
* http://svn.geotools.org/trunk/modules/unsupported/app-schema/webservice/src/main/java/org/geotools/wfs/v_1_1_0
* /data/XmlSimpleFeatureParser.java $
*/
public class WSFeatureSource implements XmlFeatureSource {
private String typeName;
private XmlDataStore dataStore;
private QueryCapabilities queryCapabilities;
public WSFeatureSource(final WS_DataStore dataStore, final String typeName, final Name name)
throws IOException {
this.typeName = typeName;
this.dataStore = dataStore;
this.queryCapabilities = new QueryCapabilities();
}
public Name getName() {
return dataStore.getName();
}
/**
* @see FeatureSource#getDataStore()
*/
public DataStore getDataStore() {
return dataStore;
}
/**
* @see FeatureSource#getSchema()
*/
public SimpleFeatureType getSchema() {
throw new UnsupportedOperationException("getSchema not supported");
}
public void setNamespaces(NamespaceSupport namespaces) {
dataStore.setNamespaces(namespaces);
}
public void setItemXpath(String itemXpath) {
dataStore.setItemXpath(itemXpath);
}
/**
* Returns available metadata for this resource
*
* @return
*/
public ResourceInfo getInfo() {
throw new UnsupportedOperationException("getInfo not supported");
}
/**
* @see FeatureSource#addFeatureListener(FeatureListener)
*/
public void addFeatureListener(FeatureListener listener) {
}
/**
* @see FeatureSource#removeFeatureListener(FeatureListener)
*/
public void removeFeatureListener(FeatureListener listener) {
}
/**
* @see FeatureSource#getBounds()
*/
public ReferencedEnvelope getBounds() throws IOException {
throw new UnsupportedOperationException("getBounds not supported");
}
/**
* @see FeatureSource#getBounds(Query)
*/
public ReferencedEnvelope getBounds(Query query) throws IOException {
throw new UnsupportedOperationException("getBounds not supported");
}
/**
* @see FeatureSource#getCount(Query)
*/
public int getCount(Query query) throws IOException {
Query namedQuery = namedQuery(typeName, query);
int count = dataStore.getCount(namedQuery);
return count;
}
/**
* @see FeatureSource#getFeatures(Filter)
*/
public WSFeatureCollection getFeatures(Filter filter) throws IOException {
return getFeatures(new DefaultQuery(typeName, filter));
}
/**
* @see FeatureSource#getFeatures()
*/
public WSFeatureCollection getFeatures() throws IOException {
return getFeatures(new DefaultQuery(typeName));
}
/**
* @see FeatureSource#getFeatures(Query)
*/
public WSFeatureCollection getFeatures(final Query query) throws IOException {
Query namedQuery = namedQuery(typeName, query);
return new WSFeatureCollection(dataStore, namedQuery);
}
/**
* @see FeatureSource#getSupportedHints()
*/
@SuppressWarnings("unchecked")
public Set getSupportedHints() {
return Collections.EMPTY_SET;
}
private Query namedQuery(final String typeName, final Query query) {
String quertyTypeName = query.getTypeName();
if (quertyTypeName != null && !quertyTypeName.equals(typeName)) {
throw new IllegalArgumentException("Wrong query type name: " + quertyTypeName
+ ". Name should be " + typeName);
}
DefaultQuery named = new DefaultQuery(query);
named.setTypeName(typeName);
return named;
}
public QueryCapabilities getQueryCapabilities() {
return this.queryCapabilities;
}
}