/**
* Copyright 2011 Alexandru Craciun, Eyal Kaspi
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.stjs.server.json.gson;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import org.stjs.javascript.Array;
import org.stjs.javascript.JSCollections;
import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonNull;
import com.google.gson.JsonParseException;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
public class JSArrayAdapter implements JsonSerializer<Array<?>>, JsonDeserializer<Array<?>> {
@Override
public Array<?> deserialize(JsonElement elem, Type type, JsonDeserializationContext ctx) throws JsonParseException {
if (elem == null) {
return null;
}
JsonArray js = elem.getAsJsonArray();
Type elementType = (type instanceof ParameterizedType) ? ((ParameterizedType) type).getActualTypeArguments()[0] : Object.class;
Array<Object> array = JSCollections.$array();
for (int i = 0; i < js.size(); ++i) {
array.push(ctx.deserialize(js.get(i), elementType));
}
return array;
}
@Override
public JsonElement serialize(Array<?> array, Type type, JsonSerializationContext ctx) {
if (array == null) {
return new JsonNull();
}
JsonArray js = new JsonArray();
for (String i : array) {
js.add(ctx.serialize(array.$get(i)));
}
return js;
}
}