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dunwudunwu
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更新 json lib 示例
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+254
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8 files changed

+254
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‎javalib-io-json/src/main/java/io/github/dunwu/javalib/json/bean/Group.java‎

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package io.github.dunwu.javalib.json.bean;
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import java.util.ArrayList;
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import java.util.List;
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public class Group {
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private Long id;
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private String name;
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private List<User> users = new ArrayList<User>();
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public List<User> getUsers() {
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return users;
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}
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public void setUsers(List<User> users) {
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this.users = users;
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}
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public void addUser(User user) {
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users.add(user);
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}
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}

‎javalib-io-json/src/main/java/io/github/dunwu/javalib/json/bean/User.java‎

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package io.github.dunwu.javalib.json.bean;
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public class User {
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private Long id;
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private String name;
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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}

‎javalib-io-json/src/main/java/io/github/dunwu/javalib/json/gson/GsonAnnotationBean.java‎

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package io.github.dunwu.javalib.json.gson;
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import com.google.gson.annotations.SerializedName;
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import java.util.Objects;
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/**
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* @author <a href="mailto:forbreak@163.com">Zhang Peng</a>
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* @since 2019-11-24
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*/
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public class GsonAnnotationBean {
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@SerializedName("custom_naming")
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private String someField;
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private String someOtherField;
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@Override
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public boolean equals(Object o) {
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if (this == o) {
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return true;
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}
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if (!(o instanceof GsonAnnotationBean)) {
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return false;
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}
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GsonAnnotationBean that = (GsonAnnotationBean) o;
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return Objects.equals(someField, that.someField) &&
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Objects.equals(someOtherField, that.someOtherField);
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}
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@Override
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public int hashCode() {
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return Objects.hash(someField, someOtherField);
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}
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public String getSomeField() {
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return someField;
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}
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public void setSomeField(String someField) {
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this.someField = someField;
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}
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public String getSomeOtherField() {
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return someOtherField;
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}
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public void setSomeOtherField(String someOtherField) {
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this.someOtherField = someOtherField;
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}
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}

‎javalib-io-json/src/main/java/io/github/dunwu/javalib/json/gson/VersionedClass.java‎

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package io.github.dunwu.javalib.json.gson;
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import com.google.gson.annotations.Since;
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public class VersionedClass {
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@Since(1.1)
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private final String newerField;
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@Since(1.0)
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private final String newField;
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private final String field;
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public VersionedClass() {
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this.newerField = "newer";
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this.newField = "new";
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this.field = "old";
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}
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}

‎javalib-io-json/src/test/java/io/github/dunwu/javalib/json/fastjson/FastjsonCaseTests.java‎

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package io.github.dunwu.javalib.json.fastjson;
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import com.alibaba.fastjson.JSON;
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import io.github.dunwu.javalib.json.bean.Group;
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import io.github.dunwu.javalib.json.util.BeanUtils;
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import io.github.dunwu.util.time.DateExtUtils;
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import org.junit.Test;
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*/
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public class FastjsonCaseTests {
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@Test
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public void test() {
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Group oldGroup = BeanUtils.initGroupBean();
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String jsonString = JSON.toJSONString(oldGroup);
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System.out.println(jsonString);
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Group newGroup = JSON.parseObject(jsonString, Group.class);
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assertThat(newGroup).isNotNull();
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}
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/**
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* 序列化测试
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*/

‎javalib-io-json/src/test/java/io/github/dunwu/javalib/json/gson/GsonCaseTests.java‎

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package io.github.dunwu.javalib.json.gson;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import org.junit.Test;
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import java.lang.reflect.Modifier;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* @author <a href="mailto:forbreak@163.com">Zhang Peng</a>
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* @since 2019-11-24
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*/
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public class GsonCaseTests {
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private Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd HH:mm:ss").create();
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private Gson gson2 = new GsonBuilder()
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.setVersion(1.0)
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.setPrettyPrinting()
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.setDateFormat("yyyy-MM-dd HH:mm:ss")
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.excludeFieldsWithModifiers(Modifier.STATIC, Modifier.TRANSIENT, Modifier.VOLATILE)
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.create();
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@Test
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public void test() {
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// Serialization
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Gson gson = new Gson();
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gson.toJson(1); // ==> 1
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gson.toJson("abcd"); // ==> "abcd"
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gson.toJson(10L); // ==> 10
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int[] values = { 1 };
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gson.toJson(values); // ==> [1]
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// Deserialization
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int i1 = gson.fromJson("1", int.class);
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Integer i2 = gson.fromJson("1", Integer.class);
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Long l1 = gson.fromJson("1", Long.class);
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Boolean b1 = gson.fromJson("false", Boolean.class);
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String str = gson.fromJson("\"abc\"", String.class);
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String[] anotherStr = gson.fromJson("[\"abc\"]", String[].class);
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assertThat(i1).isEqualTo(1);
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assertThat(i2).isEqualTo(1);
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assertThat(l1).isEqualTo(1L);
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assertThat(b1).isFalse();
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assertThat(str).isEqualTo("abc");
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}
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@Test
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public void testAnnotation() {
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GsonAnnotationBean oldBean = new GsonAnnotationBean();
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oldBean.setSomeField("hello");
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oldBean.setSomeOtherField("world");
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String expectStr = "{\"custom_naming\":\"hello\",\"someOtherField\":\"world\"}";
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String json = gson.toJson(oldBean);
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assertThat(json).isEqualTo(expectStr);
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GsonAnnotationBean newBean = gson.fromJson(expectStr, GsonAnnotationBean.class);
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assertThat(newBean).isEqualTo(oldBean);
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}
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@Test
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public void testVersionedClass() {
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VersionedClass versionedObject = new VersionedClass();
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String jsonOutput = gson2.toJson(versionedObject);
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System.out.println(jsonOutput);
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assertThat(jsonOutput).isEqualTo("{\n"
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+ " \"newField\": \"new\",\n"
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+ " \"field\": \"old\"\n"
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+ "}");
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jsonOutput = gson.toJson(versionedObject);
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System.out.println(jsonOutput);
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assertThat(jsonOutput).isEqualTo("{\"newerField\":\"newer\",\"newField\":\"new\",\"field\":\"old\"}");
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}
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}

‎javalib-io-json/src/test/java/io/github/dunwu/javalib/json/jackson/JacksonPerformanceTests.java‎

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*/
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public class JacksonPerformanceTests {
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final ObjectMapper mapper = new ObjectMapper();
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private final ObjectMapper mapper = new ObjectMapper();
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public static final int BATCH_SIZE = 100000;
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private static final int BATCH_SIZE = 100000;
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/**
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* 循环序列化、反序列 {@link #BATCH_SIZE} 条数据，测试性能

‎javalib-io-json/src/test/java/io/github/dunwu/javalib/json/util/BeanUtils.java‎

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import io.github.dunwu.javalib.json.TestBean;
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import io.github.dunwu.javalib.json.TestBean2;
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import io.github.dunwu.javalib.json.bean.Group;
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import io.github.dunwu.javalib.json.bean.User;
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import java.sql.Date;
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import java.time.LocalDate;
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*/
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public class BeanUtils {
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public static Group initGroupBean() {
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Group group = new Group();
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group.setId(0L);
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group.setName("admin");
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User guestUser = new User();
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guestUser.setId(2L);
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guestUser.setName("guest");
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User rootUser = new User();
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rootUser.setId(3L);
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rootUser.setName("root");
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group.addUser(guestUser);
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group.addUser(rootUser);
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return group;
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}
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public static TestBean initJdk8Bean() {
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String[] strArray = { "a", "b", "c" };
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Integer[] intArray = { 1, 2, 3, 4, 5 };

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