/*
* GeoSolutions map - Digital field mapping on Android based devices
* Copyright (C) 2013 GeoSolutions (www.geo-solutions.it)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package it.geosolutions.android.map.geostore.model;
import java.util.ArrayList;
import java.util.List;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
/**
* Type adapter to manage arrays and single objects as they are.
* @author Lorenzo Natali (lorenzo.natali@geo-solutions.it)
*
* @param <T>
*/
public class GeoStoreAttributeTypeAdapter implements JsonDeserializer<List<Attribute>> {
@Override
public List<Attribute> deserialize(JsonElement json, java.lang.reflect.Type typeOfT,
JsonDeserializationContext ctx) throws JsonParseException {
List<Attribute> vals = new ArrayList<Attribute>();
if (json.isJsonArray()) {
for (JsonElement e : json.getAsJsonArray()) {
vals.add((Attribute) ctx.deserialize(e,Attribute.class));
}
} else if (json.isJsonObject()) {
vals.add((Attribute) ctx.deserialize(json, Attribute.class));
} else {
return vals;//throw new RuntimeException("Unexpected JSON type: " + json.getClass());
}
return vals;
}
}