/* * Copyright (c) 2018 Baidu, Inc. All Rights Reserved. * * 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 com.baidu.formula.circuitbreaker.fallback; import com.fasterxml.jackson.databind.JavaType; import com.fasterxml.jackson.databind.ObjectMapper; import java.lang.reflect.Method; import java.lang.reflect.Type; import java.util.concurrent.Callable; /** * @author Bowu Dong ([email protected]) */ public class ObjectMapperCallable implements Callable<Object> { private static final ObjectMapper objectMapper = new ObjectMapper(); private final String result; private final Method method; public ObjectMapperCallable(String result, Method method) { this.result = result; this.method = method; } @Override public Object call() throws Exception { Type type = method.getGenericReturnType(); JavaType t = objectMapper.constructType(type); return objectMapper.readValue(result, t); } @Override public String toString() { return super.toString() + "{" + "result='" + result + '\'' + ", type=" + method.getGenericReturnType() + '}'; } }