Moved code from "json" module.
This commit is contained in:
Karsten Silz
parent
025791611c
commit
65833e0a6b
|
|
@ -116,4 +116,41 @@
|
|||
<moshi.version>1.9.2</moshi.version>
|
||||
<commons-lang3.version>3.9</commons-lang3.version>
|
||||
</properties>
|
||||
<build>
|
||||
<pluginManagement>
|
||||
<plugins>
|
||||
<!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
|
||||
<plugin>
|
||||
<groupId>org.eclipse.m2e</groupId>
|
||||
<artifactId>lifecycle-mapping</artifactId>
|
||||
<version>1.0.0</version>
|
||||
<configuration>
|
||||
<lifecycleMappingMetadata>
|
||||
<pluginExecutions>
|
||||
<pluginExecution>
|
||||
<pluginExecutionFilter>
|
||||
<groupId>
|
||||
org.apache.maven.plugins
|
||||
</groupId>
|
||||
<artifactId>
|
||||
maven-pmd-plugin
|
||||
</artifactId>
|
||||
<versionRange>
|
||||
[3.13.0,)
|
||||
</versionRange>
|
||||
<goals>
|
||||
<goal>check</goal>
|
||||
</goals>
|
||||
</pluginExecutionFilter>
|
||||
<action>
|
||||
<ignore></ignore>
|
||||
</action>
|
||||
</pluginExecution>
|
||||
</pluginExecutions>
|
||||
</lifecycleMappingMetadata>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</pluginManagement>
|
||||
</build>
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,123 @@
|
|||
package com.baeldung.jsonoptimization;
|
||||
|
||||
import java.io.FileInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.util.Objects;
|
||||
|
||||
import com.fasterxml.jackson.databind.ObjectMapper;
|
||||
|
||||
public class Customer {
|
||||
|
||||
private long id;
|
||||
private String firstName;
|
||||
private String lastName;
|
||||
private String street;
|
||||
private String postalCode;
|
||||
private String city;
|
||||
private String state;
|
||||
private String phoneNumber;
|
||||
private String email;
|
||||
|
||||
public long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getFirstName() {
|
||||
return firstName;
|
||||
}
|
||||
|
||||
public void setFirstName(String firstName) {
|
||||
this.firstName = firstName;
|
||||
}
|
||||
|
||||
public String getLastName() {
|
||||
return lastName;
|
||||
}
|
||||
|
||||
public void setLastName(String lastName) {
|
||||
this.lastName = lastName;
|
||||
}
|
||||
|
||||
public String getStreet() {
|
||||
return street;
|
||||
}
|
||||
|
||||
public void setStreet(String street) {
|
||||
this.street = street;
|
||||
}
|
||||
|
||||
public String getPostalCode() {
|
||||
return postalCode;
|
||||
}
|
||||
|
||||
public void setPostalCode(String postalCode) {
|
||||
this.postalCode = postalCode;
|
||||
}
|
||||
|
||||
public String getCity() {
|
||||
return city;
|
||||
}
|
||||
|
||||
public void setCity(String city) {
|
||||
this.city = city;
|
||||
}
|
||||
|
||||
public String getState() {
|
||||
return state;
|
||||
}
|
||||
|
||||
public void setState(String state) {
|
||||
this.state = state;
|
||||
}
|
||||
|
||||
public String getPhoneNumber() {
|
||||
return phoneNumber;
|
||||
}
|
||||
|
||||
public void setPhoneNumber(String phoneNumber) {
|
||||
this.phoneNumber = phoneNumber;
|
||||
}
|
||||
|
||||
public String getEmail() {
|
||||
return email;
|
||||
}
|
||||
|
||||
public void setEmail(String email) {
|
||||
this.email = email;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(city, email, firstName, id, lastName, phoneNumber, postalCode, state, street);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (!(obj instanceof Customer)) {
|
||||
return false;
|
||||
}
|
||||
Customer other = (Customer) obj;
|
||||
return Objects.equals(city, other.city) && Objects.equals(email, other.email) && Objects.equals(firstName, other.firstName) && id == other.id && Objects.equals(lastName, other.lastName) && Objects.equals(phoneNumber, other.phoneNumber)
|
||||
&& Objects.equals(postalCode, other.postalCode) && Objects.equals(state, other.state) && Objects.equals(street, other.street);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Customer [id=" + id + ", firstName=" + firstName + ", lastName=" + lastName + ", street=" + street + ", postalCode=" + postalCode + ", city=" + city + ", state=" + state + ", phoneNumber=" + phoneNumber + ", email=" + email + "]";
|
||||
}
|
||||
|
||||
public static Customer[] fromMockFile() throws IOException {
|
||||
ObjectMapper objectMapper = new ObjectMapper();
|
||||
InputStream jsonFile = new FileInputStream("src/test/resources/json_optimization_mock_data.json");
|
||||
Customer[] feedback = objectMapper.readValue(jsonFile, Customer[].class);
|
||||
return feedback;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
package com.baeldung.jsonoptimization;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import com.fasterxml.jackson.core.JsonParser;
|
||||
import com.fasterxml.jackson.core.ObjectCodec;
|
||||
import com.fasterxml.jackson.databind.DeserializationContext;
|
||||
import com.fasterxml.jackson.databind.JsonNode;
|
||||
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
|
||||
|
||||
public class CustomerDeserializer extends StdDeserializer<Customer> {
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public CustomerDeserializer() {
|
||||
this(null);
|
||||
}
|
||||
|
||||
public CustomerDeserializer(Class<Customer> t) {
|
||||
super(t);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Customer deserialize(JsonParser parser, DeserializationContext deserializer) throws IOException {
|
||||
Customer feedback = new Customer();
|
||||
ObjectCodec codec = parser.getCodec();
|
||||
JsonNode node = codec.readTree(parser);
|
||||
|
||||
feedback.setId(node.get(0)
|
||||
.asLong());
|
||||
feedback.setFirstName(node.get(1)
|
||||
.asText());
|
||||
feedback.setLastName(node.get(2)
|
||||
.asText());
|
||||
feedback.setStreet(node.get(3)
|
||||
.asText());
|
||||
feedback.setPostalCode(node.get(4)
|
||||
.asText());
|
||||
feedback.setCity(node.get(5)
|
||||
.asText());
|
||||
feedback.setState(node.get(6)
|
||||
.asText());
|
||||
JsonNode phoneNumber = node.get(7);
|
||||
feedback.setPhoneNumber(phoneNumber.isNull() ? null : phoneNumber.asText());
|
||||
JsonNode email = node.get(8);
|
||||
feedback.setEmail(email.isNull() ? null : email.asText());
|
||||
|
||||
return feedback;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,34 @@
|
|||
package com.baeldung.jsonoptimization;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import com.fasterxml.jackson.core.JsonGenerator;
|
||||
import com.fasterxml.jackson.databind.SerializerProvider;
|
||||
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
|
||||
|
||||
public class CustomerSerializer extends StdSerializer<Customer> {
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public CustomerSerializer() {
|
||||
this(null);
|
||||
}
|
||||
|
||||
public CustomerSerializer(Class<Customer> t) {
|
||||
super(t);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void serialize(Customer customer, JsonGenerator jsonGenerator, SerializerProvider serializer) throws IOException {
|
||||
jsonGenerator.writeStartArray();
|
||||
jsonGenerator.writeNumber(customer.getId());
|
||||
jsonGenerator.writeString(customer.getFirstName());
|
||||
jsonGenerator.writeString(customer.getLastName());
|
||||
jsonGenerator.writeString(customer.getStreet());
|
||||
jsonGenerator.writeString(customer.getPostalCode());
|
||||
jsonGenerator.writeString(customer.getCity());
|
||||
jsonGenerator.writeString(customer.getState());
|
||||
jsonGenerator.writeString(customer.getPhoneNumber());
|
||||
jsonGenerator.writeString(customer.getEmail());
|
||||
jsonGenerator.writeEndArray();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,155 @@
|
|||
package com.baeldung.jsonoptimization;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
import com.fasterxml.jackson.annotation.JsonProperty;
|
||||
|
||||
public class CustomerShortNames {
|
||||
|
||||
@JsonProperty("i")
|
||||
private long id;
|
||||
|
||||
@JsonProperty("f")
|
||||
private String firstName;
|
||||
|
||||
@JsonProperty("l")
|
||||
private String lastName;
|
||||
|
||||
@JsonProperty("s")
|
||||
private String street;
|
||||
|
||||
@JsonProperty("p")
|
||||
private String postalCode;
|
||||
|
||||
@JsonProperty("c")
|
||||
private String city;
|
||||
|
||||
@JsonProperty("a")
|
||||
private String state;
|
||||
|
||||
@JsonProperty("o")
|
||||
private String phoneNumber;
|
||||
|
||||
@JsonProperty("e")
|
||||
private String email;
|
||||
|
||||
public long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getFirstName() {
|
||||
return firstName;
|
||||
}
|
||||
|
||||
public void setFirstName(String firstName) {
|
||||
this.firstName = firstName;
|
||||
}
|
||||
|
||||
public String getLastName() {
|
||||
return lastName;
|
||||
}
|
||||
|
||||
public void setLastName(String lastName) {
|
||||
this.lastName = lastName;
|
||||
}
|
||||
|
||||
public String getStreet() {
|
||||
return street;
|
||||
}
|
||||
|
||||
public void setStreet(String street) {
|
||||
this.street = street;
|
||||
}
|
||||
|
||||
public String getPostalCode() {
|
||||
return postalCode;
|
||||
}
|
||||
|
||||
public void setPostalCode(String postalCode) {
|
||||
this.postalCode = postalCode;
|
||||
}
|
||||
|
||||
public String getCity() {
|
||||
return city;
|
||||
}
|
||||
|
||||
public void setCity(String city) {
|
||||
this.city = city;
|
||||
}
|
||||
|
||||
public String getState() {
|
||||
return state;
|
||||
}
|
||||
|
||||
public void setState(String state) {
|
||||
this.state = state;
|
||||
}
|
||||
|
||||
public String getPhoneNumber() {
|
||||
return phoneNumber;
|
||||
}
|
||||
|
||||
public void setPhoneNumber(String phoneNumber) {
|
||||
this.phoneNumber = phoneNumber;
|
||||
}
|
||||
|
||||
public String getEmail() {
|
||||
return email;
|
||||
}
|
||||
|
||||
public void setEmail(String email) {
|
||||
this.email = email;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(city, email, firstName, id, lastName, phoneNumber, postalCode, state, street);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (!(obj instanceof CustomerShortNames)) {
|
||||
return false;
|
||||
}
|
||||
CustomerShortNames other = (CustomerShortNames) obj;
|
||||
return Objects.equals(city, other.city) && Objects.equals(email, other.email) && Objects.equals(firstName, other.firstName) && id == other.id && Objects.equals(lastName, other.lastName) && Objects.equals(phoneNumber, other.phoneNumber)
|
||||
&& Objects.equals(postalCode, other.postalCode) && Objects.equals(state, other.state) && Objects.equals(street, other.street);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "CustomerWithShorterAttributes [id=" + id + ", firstName=" + firstName + ", lastName=" + lastName + ", street=" + street + ", postalCode=" + postalCode + ", city=" + city + ", state=" + state + ", phoneNumber=" + phoneNumber + ", email=" + email
|
||||
+ "]";
|
||||
}
|
||||
|
||||
public static CustomerShortNames[] fromCustomers(Customer[] customers) {
|
||||
CustomerShortNames[] feedback = new CustomerShortNames[customers.length];
|
||||
|
||||
for (int i = 0; i < customers.length; i++) {
|
||||
Customer aCustomer = customers[i];
|
||||
CustomerShortNames newOne = new CustomerShortNames();
|
||||
|
||||
newOne.setId(aCustomer.getId());
|
||||
newOne.setFirstName(aCustomer.getFirstName());
|
||||
newOne.setLastName(aCustomer.getLastName());
|
||||
newOne.setStreet(aCustomer.getStreet());
|
||||
newOne.setCity(aCustomer.getCity());
|
||||
newOne.setPostalCode(aCustomer.getPostalCode());
|
||||
newOne.setState(aCustomer.getState());
|
||||
newOne.setPhoneNumber(aCustomer.getPhoneNumber());
|
||||
newOne.setEmail(aCustomer.getEmail());
|
||||
|
||||
feedback[i] = newOne;
|
||||
}
|
||||
|
||||
return feedback;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,73 @@
|
|||
package com.baeldung.jsonoptimization;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
public class CustomerSlim {
|
||||
private long id;
|
||||
private String name;
|
||||
private String address;
|
||||
|
||||
public long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public String getAddress() {
|
||||
return address;
|
||||
}
|
||||
|
||||
public void setAddress(String address) {
|
||||
this.address = address;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(address, id, name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (!(obj instanceof CustomerSlim)) {
|
||||
return false;
|
||||
}
|
||||
CustomerSlim other = (CustomerSlim) obj;
|
||||
return Objects.equals(address, other.address) && id == other.id && Objects.equals(name, other.name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "CustomerSlim [id=" + id + ", name=" + name + ", address=" + address + "]";
|
||||
}
|
||||
|
||||
public static CustomerSlim[] fromCustomers(Customer[] customers) {
|
||||
CustomerSlim[] feedback = new CustomerSlim[customers.length];
|
||||
|
||||
for (int i = 0; i < customers.length; i++) {
|
||||
Customer aCustomer = customers[i];
|
||||
CustomerSlim newOne = new CustomerSlim();
|
||||
|
||||
newOne.setId(aCustomer.getId());
|
||||
newOne.setName(aCustomer.getFirstName() + " " + aCustomer.getLastName());
|
||||
newOne.setAddress(aCustomer.getStreet() + ", " + aCustomer.getCity() + " " + aCustomer.getState() + " " + aCustomer.getPostalCode());
|
||||
|
||||
feedback[i] = newOne;
|
||||
}
|
||||
|
||||
return feedback;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
package com.baeldung.jsonoptimization;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import com.fasterxml.jackson.core.JsonParser;
|
||||
import com.fasterxml.jackson.core.ObjectCodec;
|
||||
import com.fasterxml.jackson.databind.DeserializationContext;
|
||||
import com.fasterxml.jackson.databind.JsonNode;
|
||||
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
|
||||
|
||||
public class CustomerSlimDeserializer extends StdDeserializer<CustomerSlim> {
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public CustomerSlimDeserializer() {
|
||||
this(null);
|
||||
}
|
||||
|
||||
public CustomerSlimDeserializer(Class<CustomerSlim> t) {
|
||||
super(t);
|
||||
}
|
||||
|
||||
@Override
|
||||
public CustomerSlim deserialize(JsonParser parser, DeserializationContext deserializer) throws IOException {
|
||||
CustomerSlim feedback = new CustomerSlim();
|
||||
ObjectCodec codec = parser.getCodec();
|
||||
JsonNode node = codec.readTree(parser);
|
||||
|
||||
feedback.setId(node.get(0)
|
||||
.asLong());
|
||||
feedback.setName(node.get(1)
|
||||
.asText());
|
||||
feedback.setAddress(node.get(2)
|
||||
.asText());
|
||||
|
||||
return feedback;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
package com.baeldung.jsonoptimization;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import com.fasterxml.jackson.core.JsonGenerator;
|
||||
import com.fasterxml.jackson.databind.SerializerProvider;
|
||||
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
|
||||
|
||||
public class CustomerSlimSerializer extends StdSerializer<CustomerSlim> {
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public CustomerSlimSerializer() {
|
||||
this(null);
|
||||
}
|
||||
|
||||
public CustomerSlimSerializer(Class<CustomerSlim> t) {
|
||||
super(t);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void serialize(CustomerSlim customer, JsonGenerator jsonGenerator, SerializerProvider serializer) throws IOException {
|
||||
jsonGenerator.writeStartArray();
|
||||
jsonGenerator.writeNumber(customer.getId());
|
||||
jsonGenerator.writeString(customer.getName());
|
||||
jsonGenerator.writeString(customer.getAddress());
|
||||
jsonGenerator.writeEndArray();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
package com.baeldung.jsonoptimization;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
import com.fasterxml.jackson.annotation.JsonProperty;
|
||||
|
||||
public class CustomerSlimShortNames {
|
||||
|
||||
@JsonProperty("i")
|
||||
private long id;
|
||||
|
||||
@JsonProperty("n")
|
||||
private String name;
|
||||
|
||||
@JsonProperty("a")
|
||||
private String address;
|
||||
|
||||
public long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public String getAddress() {
|
||||
return address;
|
||||
}
|
||||
|
||||
public void setAddress(String address) {
|
||||
this.address = address;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(address, id, name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (!(obj instanceof CustomerSlimShortNames)) {
|
||||
return false;
|
||||
}
|
||||
CustomerSlimShortNames other = (CustomerSlimShortNames) obj;
|
||||
return Objects.equals(address, other.address) && id == other.id && Objects.equals(name, other.name);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "CustomerSlim [id=" + id + ", name=" + name + ", address=" + address + "]";
|
||||
}
|
||||
|
||||
public static CustomerSlimShortNames[] fromCustomers(Customer[] customers) {
|
||||
CustomerSlimShortNames[] feedback = new CustomerSlimShortNames[customers.length];
|
||||
|
||||
for (int i = 0; i < customers.length; i++) {
|
||||
Customer aCustomer = customers[i];
|
||||
CustomerSlimShortNames newOne = new CustomerSlimShortNames();
|
||||
|
||||
newOne.setId(aCustomer.getId());
|
||||
newOne.setName(aCustomer.getFirstName() + " " + aCustomer.getLastName());
|
||||
newOne.setAddress(aCustomer.getStreet() + ", " + aCustomer.getCity() + " " + aCustomer.getState() + " " + aCustomer.getPostalCode());
|
||||
|
||||
feedback[i] = newOne;
|
||||
}
|
||||
|
||||
return feedback;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,180 @@
|
|||
package com.baeldung.jsonoptimization;
|
||||
|
||||
import static org.junit.Assert.assertArrayEquals;
|
||||
import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||
import static org.junit.jupiter.api.Assertions.assertTrue;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.File;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.text.DecimalFormat;
|
||||
import java.util.zip.GZIPOutputStream;
|
||||
|
||||
import org.junit.jupiter.api.BeforeAll;
|
||||
import org.junit.jupiter.api.BeforeEach;
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
import com.fasterxml.jackson.annotation.JsonInclude.Include;
|
||||
import com.fasterxml.jackson.core.Version;
|
||||
import com.fasterxml.jackson.databind.ObjectMapper;
|
||||
import com.fasterxml.jackson.databind.ObjectWriter;
|
||||
import com.fasterxml.jackson.databind.module.SimpleModule;
|
||||
|
||||
class JsonOptimizationUnitTest {
|
||||
private static final String TEST_LABEL_JACKSON_DEFAULT_OPTIONS = "Default JSON";
|
||||
private static final String TEST_LABEL_DEFAULT_JSON_NO_NULL = "Default JSON without null";
|
||||
private static final String TEST_LABEL_SHORTER_FIELD_NAMES = "Shorter field names";
|
||||
private static final String TEST_LABEL_SHORTER_FIELD_NAMES_AND_NO_NULL = "Shorter field names without null";
|
||||
private static final String TEST_LABEL_SERIALIZING_TO_ARRAY = "Custom serializer";
|
||||
private static final String TEST_LABEL_SLIM_CUSTOM_SERIALIZER = "Slim custom serializer";
|
||||
private static final String TEST_LABEL_SLIM_CUSTOMER = "Slim customer";
|
||||
private static final String TEST_LABEL_SLIM_CUSTOMER_SHORT_NAMES = "Slim customer with shorter field names";
|
||||
private static DecimalFormat LENGTH_FORMATTER = new DecimalFormat("###,###.0");
|
||||
private static DecimalFormat PERCENT_FORMATTER = new DecimalFormat("###.0");
|
||||
private static Customer[] customers;
|
||||
private ObjectMapper mapper;
|
||||
private static int defaultJsonLength;
|
||||
|
||||
@BeforeAll
|
||||
static void setUpOnce() throws Exception {
|
||||
customers = Customer.fromMockFile();
|
||||
ObjectMapper oneTimeMapper = new ObjectMapper();
|
||||
byte[] feedback = oneTimeMapper.writeValueAsBytes(customers);
|
||||
defaultJsonLength = feedback.length;
|
||||
System.out.println();
|
||||
System.out.println("Default JSON length: " + defaultJsonLength);
|
||||
System.out.println();
|
||||
}
|
||||
|
||||
@BeforeEach
|
||||
void setUp() {
|
||||
mapper = new ObjectMapper();
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenSetUp_ThenOneThousandCustomers() {
|
||||
assertEquals(1000, customers.length, "There should be a 1000 customers");
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenJacksonDefaultOptions_thenValid() throws IOException {
|
||||
printBanner(TEST_LABEL_JACKSON_DEFAULT_OPTIONS);
|
||||
byte[] plainJson = createJsonAndVerify(TEST_LABEL_JACKSON_DEFAULT_OPTIONS, customers);
|
||||
compressJson(TEST_LABEL_JACKSON_DEFAULT_OPTIONS, plainJson);
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenExcludingNull_thenValid() throws IOException {
|
||||
printBanner(TEST_LABEL_DEFAULT_JSON_NO_NULL);
|
||||
mapper.setSerializationInclusion(Include.NON_NULL);
|
||||
byte[] plainJson = createJsonAndVerify(TEST_LABEL_DEFAULT_JSON_NO_NULL, customers);
|
||||
compressJson(TEST_LABEL_DEFAULT_JSON_NO_NULL, plainJson);
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenShorterFieldNames_thenValid() throws IOException {
|
||||
printBanner(TEST_LABEL_SHORTER_FIELD_NAMES);
|
||||
CustomerShortNames[] shorterOnes = CustomerShortNames.fromCustomers(customers);
|
||||
byte[] shorterJson = createJsonAndVerify(TEST_LABEL_SHORTER_FIELD_NAMES, shorterOnes);
|
||||
compressJson(TEST_LABEL_SHORTER_FIELD_NAMES, shorterJson);
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenShorterFieldNamesAndExcludingNull_thenValid() throws IOException {
|
||||
printBanner(TEST_LABEL_SHORTER_FIELD_NAMES_AND_NO_NULL);
|
||||
CustomerShortNames[] shorterOnes = CustomerShortNames.fromCustomers(customers);
|
||||
mapper.setSerializationInclusion(Include.NON_NULL);
|
||||
byte[] shorterJson = createJsonAndVerify(TEST_LABEL_SHORTER_FIELD_NAMES_AND_NO_NULL, shorterOnes);
|
||||
compressJson(TEST_LABEL_SHORTER_FIELD_NAMES_AND_NO_NULL, shorterJson);
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenSlimCustomer_thenValid() throws IOException {
|
||||
printBanner(TEST_LABEL_SLIM_CUSTOMER);
|
||||
CustomerSlim[] slimOnes = CustomerSlim.fromCustomers(customers);
|
||||
byte[] slimJson = createJsonAndVerify(TEST_LABEL_SLIM_CUSTOMER, slimOnes);
|
||||
compressJson(TEST_LABEL_SLIM_CUSTOMER, slimJson);
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenSlimCustomerAndShorterFieldNames_thenValid() throws IOException {
|
||||
printBanner(TEST_LABEL_SLIM_CUSTOMER_SHORT_NAMES);
|
||||
CustomerSlimShortNames[] slimOnes = CustomerSlimShortNames.fromCustomers(customers);
|
||||
byte[] slimJson = createJsonAndVerify(TEST_LABEL_SLIM_CUSTOMER_SHORT_NAMES, slimOnes);
|
||||
compressJson(TEST_LABEL_SLIM_CUSTOMER_SHORT_NAMES, slimJson);
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenSerializingToArray_thenValid() throws IOException {
|
||||
printBanner(TEST_LABEL_SERIALIZING_TO_ARRAY);
|
||||
SimpleModule serializer = new SimpleModule("CustomDeSerializer", new Version(1, 0, 0, null, null, null));
|
||||
serializer.addSerializer(Customer.class, new CustomerSerializer());
|
||||
serializer.addDeserializer(Customer.class, new CustomerDeserializer());
|
||||
mapper.registerModule(serializer);
|
||||
|
||||
byte[] plainJson = createJsonAndVerify(TEST_LABEL_SERIALIZING_TO_ARRAY, customers);
|
||||
compressJson(TEST_LABEL_SERIALIZING_TO_ARRAY, plainJson);
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenSerializingToArrayAndSlimCustomer_thenValid() throws IOException {
|
||||
printBanner(TEST_LABEL_SLIM_CUSTOM_SERIALIZER);
|
||||
SimpleModule serializer = new SimpleModule("SlimCustomDeSerializer", new Version(1, 0, 0, null, null, null));
|
||||
serializer.addSerializer(CustomerSlim.class, new CustomerSlimSerializer());
|
||||
serializer.addDeserializer(CustomerSlim.class, new CustomerSlimDeserializer());
|
||||
mapper.registerModule(serializer);
|
||||
|
||||
CustomerSlim[] slimOnes = CustomerSlim.fromCustomers(customers);
|
||||
byte[] plainJson = createJsonAndVerify(TEST_LABEL_SLIM_CUSTOM_SERIALIZER, slimOnes);
|
||||
compressJson(TEST_LABEL_SLIM_CUSTOM_SERIALIZER, plainJson);
|
||||
}
|
||||
|
||||
private void printBanner(String name) {
|
||||
System.out.println();
|
||||
System.out.println("************************************************");
|
||||
System.out.println("Testing " + name);
|
||||
System.out.println();
|
||||
}
|
||||
|
||||
void compressJson(String label, byte[] plainJson) throws IOException {
|
||||
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
|
||||
GZIPOutputStream gzipStream = new GZIPOutputStream(outputStream);
|
||||
gzipStream.write(plainJson);
|
||||
gzipStream.close();
|
||||
outputStream.close();
|
||||
byte[] gzippedJson = outputStream.toByteArray();
|
||||
double length = gzippedJson.length / 1024d;
|
||||
double percent = gzippedJson.length * 100d / defaultJsonLength;
|
||||
System.out.println(label + " GZIPped length: " + LENGTH_FORMATTER.format(length)
|
||||
+ "kB (" + PERCENT_FORMATTER.format(percent) + "%)");
|
||||
assertTrue(plainJson.length > gzippedJson.length, label + " should be longer than GZIPped data");
|
||||
}
|
||||
|
||||
private byte[] createJsonAndVerify(String label, Object[] customers) throws IOException {
|
||||
System.out.println(label + " sample: ");
|
||||
ObjectWriter prettyWritter = mapper.writerWithDefaultPrettyPrinter();
|
||||
System.out.println(prettyWritter.writeValueAsString(customers[0]));
|
||||
|
||||
byte[] feedback = mapper.writeValueAsBytes(customers);
|
||||
double length = feedback.length / 1024d;
|
||||
double percent = feedback.length * 100d / defaultJsonLength;
|
||||
System.out.println(label + " length: " + LENGTH_FORMATTER.format(length)
|
||||
+ "kB (" + PERCENT_FORMATTER.format(percent) + "%)");
|
||||
assertTrue(feedback.length > 1, label + " should be there");
|
||||
|
||||
String prefix = label.replaceAll(" ", "-")
|
||||
.toLowerCase();
|
||||
File tempFile = File.createTempFile("jon-optimization-" + prefix, ".json");
|
||||
FileOutputStream fos = new FileOutputStream(tempFile);
|
||||
fos.write(feedback);
|
||||
fos.close();
|
||||
System.out.println(label + " file: " + tempFile.toString());
|
||||
|
||||
Object[] restoredOnes = mapper.readValue(feedback, customers.getClass());
|
||||
assertArrayEquals(TEST_LABEL_JACKSON_DEFAULT_OPTIONS + ": restoring from JSON should work", customers, restoredOnes);
|
||||
|
||||
return feedback;
|
||||
}
|
||||
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue