com.cloud.api.IdentityTypeAdapter.java Source code

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Here is the source code for com.cloud.api.IdentityTypeAdapter.java

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// 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.api;

import java.lang.reflect.Type;
import java.util.ArrayList;

import com.cloud.uuididentity.dao.IdentityDao;
import com.cloud.uuididentity.dao.IdentityDaoImpl;
import com.google.gson.Gson;
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.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import com.cloud.utils.IdentityProxy;

public class IdentityTypeAdapter implements JsonSerializer<IdentityProxy>, JsonDeserializer<IdentityProxy> {

    @Override
    public JsonElement serialize(IdentityProxy src, Type srcType, JsonSerializationContext context) {
        if (SerializationContext.current().getUuidTranslation()) {
            assert (src != null);
            if (src.getValue() == null)
                return context.serialize(null);

            IdentityDao identityDao = new IdentityDaoImpl();
            if (src.getTableName() != null) {
                String uuid = identityDao.getIdentityUuid(src.getTableName(), String.valueOf(src.getValue()));
                if (uuid == null)
                    return context.serialize(null);

                // Exceptions set the _idFieldName in the IdentityProxy structure. So if this field is not
                // null, prepare a structure of uuid and idFieldName and return the json representation of that.
                String idName = src.getidFieldName();
                if (idName != null) {
                    // Prepare a structure.
                    JsonObject jsonObj = new JsonObject();
                    jsonObj.add("uuid", new JsonPrimitive(uuid));
                    jsonObj.add("uuidProperty", new JsonPrimitive(idName));
                    return jsonObj;
                }
                return new JsonPrimitive(uuid);
            } else {
                return new JsonPrimitive(String.valueOf(src.getValue()));
            }
        } else {
            return new Gson().toJsonTree(src);
        }
    }

    @Override
    public IdentityProxy deserialize(JsonElement src, Type srcType, JsonDeserializationContext context)
            throws JsonParseException {

        IdentityProxy obj = new IdentityProxy();
        JsonObject json = src.getAsJsonObject();
        obj.setTableName(json.get("_tableName").getAsString());
        if (json.get("_value") != null)
            obj.setValue(json.get("_value").getAsLong());
        return obj;
    }
}