| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 com.cloud.api; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.LogManager; |
| |
| import com.fasterxml.jackson.core.JsonProcessingException; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.google.gson.Gson; |
| |
| import org.apache.cloudstack.api.ResponseObject; |
| |
| public class ApiSerializerHelper { |
| protected static Logger LOGGER = LogManager.getLogger(ApiSerializerHelper.class); |
| private static String token = "/"; |
| |
| public static String toSerializedString(Object result) { |
| if (result != null) { |
| Class<?> clz = result.getClass(); |
| Gson gson = ApiGsonHelper.getBuilder().create(); |
| |
| if (result instanceof ResponseObject) { |
| return clz.getName() + token + ((ResponseObject)result).getObjectName() + token + gson.toJson(result); |
| } else { |
| return clz.getName() + token + gson.toJson(result); |
| } |
| } |
| return null; |
| } |
| |
| public static Object fromSerializedString(String result) { |
| try { |
| if (result != null && !result.isEmpty()) { |
| String[] serializedParts = result.split(token); |
| |
| if (serializedParts.length < 2) { |
| return null; |
| } |
| String clzName = serializedParts[0]; |
| String nameField = null; |
| String content = null; |
| if (serializedParts.length == 2) { |
| content = serializedParts[1]; |
| } else { |
| nameField = serializedParts[1]; |
| int index = result.indexOf(token + nameField + token); |
| content = result.substring(index + nameField.length() + 2); |
| } |
| |
| Class<?> clz; |
| try { |
| clz = Class.forName(clzName); |
| } catch (ClassNotFoundException e) { |
| return null; |
| } |
| |
| Gson gson = ApiGsonHelper.getBuilder().create(); |
| Object obj = gson.fromJson(content, clz); |
| if (nameField != null) { |
| ((ResponseObject)obj).setObjectName(nameField); |
| } |
| return obj; |
| } |
| return null; |
| } catch (RuntimeException e) { |
| LOGGER.error("Caught runtime exception when doing GSON deserialization on: " + result); |
| throw e; |
| } |
| } |
| |
| public static Map<String, Object> fromSerializedStringToMap(String result) { |
| Map<String,Object> objParams = null; |
| try { |
| Object obj = fromSerializedString(result); |
| if (obj != null) { |
| Gson gson = ApiGsonHelper.getBuilder().create(); |
| String objJson = gson.toJson(obj); |
| objParams = new ObjectMapper().readValue(objJson, HashMap.class); |
| objParams.put("class", obj.getClass().getName()); |
| |
| String nameField = ((ResponseObject)obj).getObjectName(); |
| if (nameField != null) { |
| objParams.put("object", nameField); |
| } |
| } |
| } catch (RuntimeException | JsonProcessingException e) { |
| LOGGER.error("Caught runtime exception when doing GSON deserialization to map on: " + result, e); |
| } |
| |
| return objParams; |
| } |
| } |