/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2009, 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.georest;
import java.io.IOException;
import java.io.Serializable;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.geotools.data.store.ContentDataStore;
import org.geotools.data.store.ContentEntry;
import org.geotools.data.store.ContentFeatureSource;
import org.geotools.feature.NameImpl;
import org.opengis.feature.type.Name;
/**
* <p>
* DataStore that connects to a GeoJson service URL. Requires the actual URL of the service and a
* comma separated list of type-names (layers).<br/>
* This DataStore should be able to connect to a rest-like service as defined in the following
* projects:
* <ul>
* <li>Geomajas GeoJson plug-in</li>
* <li>FeatureServer</li>
* <li>MapFish server</li>
* </ul>
* For a more detailed description, look up the projects documentation.
* </p>
*
* @author Pieter De Graef, Geosparc
*
*
* @source $URL: http://svn.osgeo.org/geotools/trunk/modules/unsupported/georest/src/main/java/org/geotools/data/georest/GeoRestDataStore.java $
*/
public class GeoRestDataStore extends ContentDataStore {
private URL url;
private List<Name> typeNames;
GeoRestDataStore(Map<String, Serializable> params) throws MalformedURLException {
url = new URL((String) params.get(GeoRestDataStoreFactory.PARAM_URL));
String layers = (String) params.get(GeoRestDataStoreFactory.PARAM_LAYERS);
String[] layerNames = layers.split(",");
typeNames = new ArrayList<Name>();
for (int i = 0; i < layerNames.length; i++) {
typeNames.add(new NameImpl(layerNames[i].trim()));
}
}
@Override
protected List<Name> createTypeNames() throws IOException {
return typeNames;
}
@Override
protected ContentFeatureSource createFeatureSource(ContentEntry entry) throws IOException {
return new GeoRestFeatureSource(entry, null);
}
/**
* @return Returns the base URL for the online GeoJson rest service.
*/
protected URL getUrl() {
return url;
}
}