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BAEL-3458 | Jsoniter parsing API examples (#8508)

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rdevarakonda 2020-01-23 16:19:54 +00:00 committed by Sam Millington
parent 0f20a7dd14
commit f46ea65783
7 changed files with 181 additions and 0 deletions
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5
json-2/README.md Normal file
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## JSON
This module contains articles about JSON.
### Relevant Articles:

41
json-2/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<groupId>com.baeldung</groupId>
<artifactId>json-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<parent>
<artifactId>parent-modules</artifactId>
<groupId>com.baeldung</groupId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<dependencies>
<dependency>
<groupId>com.jsoniter</groupId>
<artifactId>jsoniter</artifactId>
<version>${jsoniter.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj-core.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<jsoniter.version>0.9.23</jsoniter.version>
<assertj-core.version>3.11.1</assertj-core.version>
</properties>
</project>

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json-2/src/main/java/com/baeldung/jsoniter/model/Name.java Normal file
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package com.baeldung.jsoniter.model;
public class Name {
private String firstName;
private String surname;
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getSurname() {
return surname;
}
public void setSurname(String surname) {
this.surname = surname;
}
}

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json-2/src/main/java/com/baeldung/jsoniter/model/Student.java Normal file
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package com.baeldung.jsoniter.model;
import com.jsoniter.annotation.JsonProperty;
import com.jsoniter.fuzzy.MaybeStringIntDecoder;
public class Student {
@JsonProperty(decoder = MaybeStringIntDecoder.class)
private int id;
private Name name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public Name getName() {
return name;
}
public void setName(Name name) {
this.name = name;
}
}

85
json-2/src/test/java/com/baeldung/jsoniter/JsoniterIntroUnitTest.java Normal file
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package com.baeldung.jsoniter;
import com.baeldung.jsoniter.model.Name;
import com.baeldung.jsoniter.model.Student;
import com.jsoniter.JsonIterator;
import com.jsoniter.ValueType;
import com.jsoniter.any.Any;
import org.junit.Test;
import static com.jsoniter.ValueType.STRING;
import static org.assertj.core.api.Assertions.assertThat;
public class JsoniterIntroUnitTest {
@Test
public void whenParsedUsingBindAPI_thenConvertedToJavaObjectCorrectly() {
String input = "{\"id\":1,\"name\":{\"firstName\":\"Joe\",\"surname\":\"Blogg\"}}";
Student student = JsonIterator.deserialize(input, Student.class);
assertThat(student.getId()).isEqualTo(1);
assertThat(student.getName().getFirstName()).isEqualTo("Joe");
assertThat(student.getName().getSurname()).isEqualTo("Blogg");
}
@Test
public void givenTypeInJsonFuzzy_whenFieldIsMaybeDecoded_thenFieldParsedCorrectly() {
String input = "{\"id\":\"1\",\"name\":{\"firstName\":\"Joe\",\"surname\":\"Blogg\"}}";
Student student = JsonIterator.deserialize(input, Student.class);
assertThat(student.getId()).isEqualTo(1);
}
@Test
public void whenParsedUsingAnyAPI_thenFieldValueCanBeExtractedUsingTheFieldName() {
String input = "{\"id\":1,\"name\":{\"firstName\":\"Joe\",\"surname\":\"Blogg\"}}";
Any any = JsonIterator.deserialize(input);
assertThat(any.toInt("id")).isEqualTo(1);
assertThat(any.toString("name", "firstName")).isEqualTo("Joe");
assertThat(any.toString("name", "surname")).isEqualTo("Blogg");
}
@Test
public void whenParsedUsingAnyAPI_thenFieldValueTypeIsCorrect() {
String input = "{\"id\":1,\"name\":{\"firstName\":\"Joe\",\"surname\":\"Blogg\"}}";
Any any = JsonIterator.deserialize(input);
assertThat(any.get("id").valueType()).isEqualTo(ValueType.NUMBER);
assertThat(any.get("name").valueType()).isEqualTo(ValueType.OBJECT);
assertThat(any.get("error").valueType()).isEqualTo(ValueType.INVALID);
}
@Test
public void whenParsedUsingIteratorAPI_thenFieldValuesExtractedCorrectly() throws Exception {
Name name = new Name();
String input = "{ \"firstName\" : \"Joe\", \"surname\" : \"Blogg\" }";
JsonIterator iterator = JsonIterator.parse(input);
for (String field = iterator.readObject(); field != null; field = iterator.readObject()) {
switch (field) {
case "firstName":
if (iterator.whatIsNext() == ValueType.STRING) {
name.setFirstName(iterator.readString());
}
continue;
case "surname":
if (iterator.whatIsNext() == ValueType.STRING) {
name.setSurname(iterator.readString());
}
continue;
default:
iterator.skip();
}
}
assertThat(name.getFirstName()).isEqualTo("Joe");
assertThat(name.getSurname()).isEqualTo("Blogg");
}
}

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json-2/src/test/resources/Student.json Normal file
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{"id":1,"name":{"firstName": "Joe", "surname":"Blogg"}}

1
pom.xml
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<module>jooby</module>
<module>jsf</module>
<module>json</module>
<module>json-2</module>
<module>json-path</module>
<module>jsoup</module>
<module>jta</module>