// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
//
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.agent.transport;
import java.lang.reflect.Array;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Map;
import com.cloud.agent.api.Command;
import com.cloud.utils.exception.CloudRuntimeException;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
public class ArrayTypeAdaptor<T> implements JsonDeserializer<T[]>, JsonSerializer<T[]> {
protected Gson _gson = null;
private static final String s_pkg = Command.class.getPackage().getName() + ".";
public ArrayTypeAdaptor() {
}
public void initGson(Gson gson) {
_gson = gson;
}
@Override
public JsonElement serialize(T[] src, Type typeOfSrc, JsonSerializationContext context) {
JsonArray array = new JsonArray();
for (T cmd : src) {
JsonObject obj = new JsonObject();
obj.add(cmd.getClass().getName().substring(s_pkg.length()), _gson.toJsonTree(cmd));
array.add(obj);
}
return array;
}
@Override
@SuppressWarnings("unchecked")
public T[] deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
throws JsonParseException {
JsonArray array = json.getAsJsonArray();
Iterator<JsonElement> it = array.iterator();
ArrayList<T> cmds = new ArrayList<T>();
while (it.hasNext()) {
JsonObject element = (JsonObject)it.next();
Map.Entry<String, JsonElement> entry = element.entrySet().iterator().next();
String name = s_pkg + entry.getKey();
Class<?> clazz;
try {
clazz = Class.forName(name);
} catch (ClassNotFoundException e) {
throw new CloudRuntimeException("can't find " + name);
}
T cmd = (T)_gson.fromJson(entry.getValue(), clazz);
cmds.add(cmd);
}
Class<?> type = ((Class<?>)typeOfT).getComponentType();
T[] ts = (T[])Array.newInstance(type, cmds.size());
return cmds.toArray(ts);
}
}