| // 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.lang.reflect.Method; |
| import java.lang.reflect.Type; |
| |
| import org.apache.cloudstack.api.ResponseObject; |
| import org.apache.cloudstack.api.response.ExceptionResponse; |
| import org.apache.cloudstack.api.response.SuccessResponse; |
| import org.apache.log4j.Logger; |
| |
| import com.google.gson.JsonElement; |
| import com.google.gson.JsonObject; |
| import com.google.gson.JsonSerializationContext; |
| import com.google.gson.JsonSerializer; |
| |
| public class ResponseObjectTypeAdapter implements JsonSerializer<ResponseObject> { |
| public static final Logger s_logger = Logger.getLogger(ResponseObjectTypeAdapter.class.getName()); |
| |
| @Override |
| public JsonElement serialize(ResponseObject responseObj, Type typeOfResponseObj, JsonSerializationContext ctx) { |
| JsonObject obj = new JsonObject(); |
| |
| if (responseObj instanceof SuccessResponse) { |
| obj.addProperty("success", ((SuccessResponse)responseObj).getSuccess()); |
| return obj; |
| } else if (responseObj instanceof ExceptionResponse) { |
| obj.addProperty("errorcode", ((ExceptionResponse)responseObj).getErrorCode()); |
| obj.addProperty("errortext", ((ExceptionResponse)responseObj).getErrorText()); |
| return obj; |
| } else { |
| obj.add(responseObj.getObjectName(), ApiResponseGsonHelper.getBuilder().create().toJsonTree(responseObj)); |
| return obj; |
| } |
| } |
| |
| private static Method getGetMethod(Object o, String propName) { |
| Method method = null; |
| String methodName = getGetMethodName("get", propName); |
| try { |
| method = o.getClass().getMethod(methodName); |
| } catch (SecurityException e1) { |
| s_logger.error("Security exception in getting ResponseObject " + o.getClass().getName() + " get method for property: " + propName); |
| } catch (NoSuchMethodException e1) { |
| if (s_logger.isTraceEnabled()) { |
| s_logger.trace("ResponseObject " + o.getClass().getName() + " does not have " + methodName + "() method for property: " + propName + |
| ", will check is-prefixed method to see if it is boolean property"); |
| } |
| } |
| |
| if (method != null) |
| return method; |
| |
| methodName = getGetMethodName("is", propName); |
| try { |
| method = o.getClass().getMethod(methodName); |
| } catch (SecurityException e1) { |
| s_logger.error("Security exception in getting ResponseObject " + o.getClass().getName() + " get method for property: " + propName); |
| } catch (NoSuchMethodException e1) { |
| s_logger.warn("ResponseObject " + o.getClass().getName() + " does not have " + methodName + "() method for property: " + propName); |
| } |
| return method; |
| } |
| |
| private static String getGetMethodName(String prefix, String fieldName) { |
| StringBuffer sb = new StringBuffer(prefix); |
| |
| if (fieldName.length() >= prefix.length() && fieldName.substring(0, prefix.length()).equals(prefix)) { |
| return fieldName; |
| } else { |
| sb.append(fieldName.substring(0, 1).toUpperCase()); |
| sb.append(fieldName.substring(1)); |
| } |
| |
| return sb.toString(); |
| } |
| } |