JsonUtils序列化与反序列化工具

 1 package com.cxf.value; 2 ?3 import com.fasterxml.jackson.core.type.TypeReference; 4 import com.fasterxml.jackson.databind.DeserializationFeature; 5 import com.fasterxml.jackson.databind.ObjectMapper; 6 import com.fasterxml.jackson.databind.type.TypeFactory; 7 import com.google.common.base.Preconditions; 8 ?9 import java.io.IOException;10 import java.io.StringWriter;11 import java.io.Writer;12 13 public class JsonUtils {14 ????private static ObjectMapper objectMapper = new ObjectMapper();15 16 ????public JsonUtils() {17 ????}18 19 ????public static ObjectMapper getMapper() {20 ????????return objectMapper;21 ????}22 23 ????public static String serialize(Object object) throws IOException {24 ????????return serialize(object, false);25 ????}26 27 ????public static String serialize(Object object, boolean withPretty) throws IOException {28 ????????Writer write = new StringWriter();29 ????????if (withPretty) {30 ????????????objectMapper.writerWithDefaultPrettyPrinter().writeValue(write, object);31 ????????} else {32 ????????????objectMapper.writeValue(write, object);33 ????????}34 35 ????????return write.toString();36 ????}37 38 ????public static String serialize(ObjectMapper objectMapper, Object object, boolean withPretty) throws IOException {39 ????????Writer write = new StringWriter();40 ????????if (withPretty) {41 ????????????objectMapper.writerWithDefaultPrettyPrinter().writeValue(write, object);42 ????????} else {43 ????????????objectMapper.writeValue(write, object);44 ????????}45 46 ????????return write.toString();47 ????}48 49 ????public static <T> T deserialize(String json, Class<T> classType) throws IOException {50 ????????Preconditions.checkNotNull(json);51 ????????return (T) objectMapper.readValue(json, TypeFactory.rawClass(classType));52 ????}53 54 ????public static <T> T deserialize(String json, TypeReference<T> typeRef) throws IOException {55 ????????return objectMapper.readValue(json, typeRef);56 ????}57 58 ????public static <T> T deserialize(ObjectMapper objectMapper, String json, TypeReference<T> typeRef) throws IOException {59 ????????return objectMapper.readValue(json, typeRef);60 ????}61 62 ????static {63 ????????objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);64 ????}65 }

 1 <!-- use jackson lib--> 2 ????????<dependency> 3 ????????????<groupId>com.alibaba</groupId> 4 ????????????<artifactId>fastjson</artifactId> 5 ????????????<version>1.2.44</version> 6 ????????</dependency> 7 ????????<dependency> 8 ????????????<groupId>com.google.code.gson</groupId> 9 ????????????<artifactId>gson</artifactId>10 ????????????<version>2.8.2</version>11 ????????</dependency>12 ????????<!-- https://mvnrepository.com/artifact/com.google.guava/guava -->13 ????????<dependency>14 ????????????<groupId>com.google.guava</groupId>15 ????????????<artifactId>guava</artifactId>16 ????????????<version>27.0-jre</version>17 ????????</dependency>