--- /dev/null
+/**
+ * Copyright 2016 ZTE, Inc. and others.
+ *
+ * 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 org.onap.msb.sdclient.wrapper.util;
+
+import java.util.List;
+import java.util.Map;
+
+import org.onap.msb.sdclient.core.CatalogService;
+import org.onap.msb.sdclient.core.HealthService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+
+
+public class JacksonJsonUtil {
+
+ private static final Logger logger = LoggerFactory.getLogger(JacksonJsonUtil.class);
+
+ private static ObjectMapper mapper;
+
+ /**
+ * 获取ObjectMapper实例
+ * @param createNew 方式：true，新实例；false,存在的mapper实例
+ * @return
+ */
+ public static synchronized ObjectMapper getMapperInstance() {
+ if (mapper == null) {
+ mapper = new ObjectMapper();
+ }
+ return mapper;
+ }
+
+ /**
+ * 将java对象转换成json字符串
+ * @param obj 准备转换的对象
+ * @return json字符串
+ * @throws Exception
+ */
+ public static String beanToJson(Object obj) throws Exception {
+ String json=null;
+ try {
+ ObjectMapper objectMapper = getMapperInstance();
+ objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
+ json =objectMapper.writeValueAsString(obj);
+ } catch (Exception e) {
+ logger.error("Class beanToJson faild:"+e.getMessage());
+ throw new Exception("Class beanToJson faild:"+e.getMessage());
+ }
+ return json;
+ }
+
+
+
+ /**
+ * 将json字符串转换成java对象
+ * @param json 准备转换的json字符串
+ * @param cls 准备转换的类
+ * @return
+ * @throws Exception
+ */
+ public static Object jsonToBean(String json, Class<?> cls) throws Exception {
+ Object vo =null;
+ try {
+ ObjectMapper objectMapper = getMapperInstance();
+ objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
+ vo = objectMapper.readValue(json, cls);
+
+ } catch (Exception e) {
+ logger.error(cls+" JsonTobean faild:"+e.getMessage());
+ throw new Exception(cls+" JsonTobean faild:"+e.getMessage());
+ }
+ return vo;
+ }
+
+
+
+
+ /**
+ * 将json字符串转换成java集合对象
+ * @param json 准备转换的json字符串
+ * @param cls 准备转换的类
+ * @return
+ * @throws Exception
+ */
+ public static List<CatalogService> jsonToListBean(String json) {
+ List<CatalogService> vo =null;
+ try {
+
+ ObjectMapper objectMapper = getMapperInstance();
+
+
+ vo = objectMapper.readValue(json, new TypeReference<List<CatalogService>>() {});
+
+ } catch (Exception e) {
+ String errorMsg =" JsonTobean faild:"+e.getMessage();
+ logger.error(errorMsg);
+ }
+ return vo;
+ }
+
+ public static <T> T jsonToListBean(String json,TypeReference<T> valueTypeRef) {
+ try {
+
+ ObjectMapper objectMapper = getMapperInstance();
+
+
+ return objectMapper.readValue(json, valueTypeRef);
+
+ } catch (Exception e) {
+ String errorMsg =" JsonTobean faild:"+e.getMessage();
+ logger.error(errorMsg);
+ }
+ return null;
+ }
+
+
+
+
+
+ /**
+ * 将json字符串转换成java集合对象
+ * @param json 准备转换的json字符串
+ * @param cls 准备转换的类
+ * @return
+ * @throws Exception
+ */
+ public static Map<String,String[]> jsonToMapBean(String json) {
+ Map<String,String[]> vo =null;
+ try {
+
+ ObjectMapper objectMapper = getMapperInstance();
+
+
+ vo = objectMapper.readValue(json, new TypeReference<Map<String,String[]>>() {});
+
+ } catch (Exception e) {
+ String errorMsg =" JsonTobean faild";
+ logger.error(errorMsg);
+ }
+ return vo;
+ }
+
+
+ public static void main(String[] args) {
+ String json="[{\"Node\":{\"Node\":\"A23179111\",\"Address\":\"10.74.44.27\",\"CreateIndex\":3,\"ModifyIndex\":318},\"Service\":{\"ID\":\"oo_10.74.56.36_5656\",\"Service\":\"oo\",\"Tags\":[\"url:/root\",\"protocol:REST\",\"version:\",\"visualRange:0|1\",\"ttl:-1\",\"status:1\",\"lb_policy:client_custom\",\"lb_server_params:weight=1 max_fails=1 fail_timeout=16s\",\"checkType:TCP\",\"checkInterval:10\",\"checkUrl:10.56.23.63:8989\"],\"Address\":\"10.74.56.36\",\"Port\":5656,\"EnableTagOverride\":false,\"CreateIndex\":314,\"ModifyIndex\":318},\"Checks\":[{\"Node\":\"A23179111\",\"CheckID\":\"serfHealth\",\"Name\":\"Serf Health Status\",\"Status\":\"passing\",\"Notes\":\"\",\"Output\":\"Agent alive and reachable\",\"ServiceID\":\"\",\"ServiceName\":\"\",\"CreateIndex\":3,\"ModifyIndex\":3},{\"Node\":\"A23179111\",\"CheckID\":\"service:oo_10.74.56.36_5656\",\"Name\":\"Service 'oo' check\",\"Status\":\"critical\",\"Notes\":\"\",\"Output\":\"\",\"ServiceID\":\"oo_10.74.56.36_5656\",\"ServiceName\":\"oo\",\"CreateIndex\":314,\"ModifyIndex\":318}]},{\"Node\":{\"Node\":\"A23179111\",\"Address\":\"10.74.44.27\",\"CreateIndex\":3,\"ModifyIndex\":318},\"Service\":{\"ID\":\"oo_10.78.36.36_111\",\"Service\":\"oo\",\"Tags\":[\"url:/root\",\"protocol:REST\",\"version:\",\"visualRange:0|1\",\"ttl:-1\",\"status:1\",\"lb_policy:client_custom\"],\"Address\":\"10.78.36.36\",\"Port\":111,\"EnableTagOverride\":false,\"CreateIndex\":315,\"ModifyIndex\":315},\"Checks\":[{\"Node\":\"A23179111\",\"CheckID\":\"serfHealth\",\"Name\":\"Serf Health Status\",\"Status\":\"passing\",\"Notes\":\"\",\"Output\":\"Agent alive and reachable\",\"ServiceID\":\"\",\"ServiceName\":\"\",\"CreateIndex\":3,\"ModifyIndex\":3}]}]";
+ List<HealthService> list=jsonToListBean(json,new TypeReference<List<HealthService>>() {
+ });
+ System.out.println(list);
+
+ }
+
+
+
+
+}
Code Review / msb / discovery.git / blobdiff