BAEL-3326, "Optimizing JSON Schema for production use":

Optimized imports and formatted source.

json/src/main/java/com/baeldung/jsonoptimization/CustomerDeserializer.java

@@ -2,14 +2,11 @@ package com.baeldung.jsonoptimization;
 
 import java.io.IOException;
 
-import com.fasterxml.jackson.core.JsonGenerator;
 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.SerializerProvider;
 import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
-import com.fasterxml.jackson.databind.ser.std.StdSerializer;
 
 public class CustomerDeserializer extends StdDeserializer<Customer> {
     private static final long serialVersionUID = 1L;
@@ -28,13 +25,20 @@ public class CustomerDeserializer  extends StdDeserializer<Customer> {
         ObjectCodec codec = parser.getCodec();
         JsonNode node = codec.readTree(parser);
 
-        feedback.setId(node.get(0).asLong());
+        feedback.setId(node.get(0)
-        feedback.setFirstName(node.get(1).asText());
+            .asLong());
-        feedback.setLastName(node.get(2).asText());
+        feedback.setFirstName(node.get(1)
-        feedback.setStreet(node.get(3).asText());
+            .asText());
-        feedback.setPostalCode(node.get(4).asText());
+        feedback.setLastName(node.get(2)
-        feedback.setCity(node.get(5).asText());
+            .asText());
-        feedback.setState(node.get(6).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);

json/src/main/java/com/baeldung/jsonoptimization/CustomerNoNull.java

@@ -13,7 +13,7 @@ public class CustomerNoNull extends Customer {
     public static CustomerNoNull[] fromCustomers(Customer[] customers) {
         CustomerNoNull[] feedback = new CustomerNoNull[customers.length];
 
-        for(int i = 0; i < customers.length; i++) {
+        for (int i = 0; i < customers.length; i++) {
             Customer aCustomer = customers[i];
             CustomerNoNull newOne = new CustomerNoNull();
 

json/src/main/java/com/baeldung/jsonoptimization/CustomerShortNames.java

@@ -2,8 +2,6 @@ package com.baeldung.jsonoptimization;
 
 import java.util.Objects;
 
-import com.fasterxml.jackson.annotation.JsonGetter;
-import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 public class CustomerShortNames {
@@ -37,54 +35,71 @@ public class CustomerShortNames {
     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;
     }
@@ -93,6 +108,7 @@ public class CustomerShortNames {
     public int hashCode() {
         return Objects.hash(city, email, firstName, id, lastName, phoneNumber, postalCode, state, street);
     }
+
     @Override
     public boolean equals(Object obj) {
         if (this == obj) {
@@ -115,7 +131,7 @@ public class CustomerShortNames {
     public static CustomerShortNames[] fromCustomers(Customer[] customers) {
         CustomerShortNames[] feedback = new CustomerShortNames[customers.length];
 
-        for(int i = 0; i < customers.length; i++) {
+        for (int i = 0; i < customers.length; i++) {
             Customer aCustomer = customers[i];
             CustomerShortNames newOne = new CustomerShortNames();
 

json/src/main/java/com/baeldung/jsonoptimization/CustomerShortNamesNoNull.java

@@ -1,12 +1,10 @@
 package com.baeldung.jsonoptimization;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
-import com.fasterxml.jackson.annotation.JsonProperty;
 
 @JsonInclude(JsonInclude.Include.NON_NULL)
 public class CustomerShortNamesNoNull extends CustomerShortNames {
 
-    
     @Override
     public String toString() {
         return "CustomerShortNamesNoNull [toString()=" + super.toString() + "]";
@@ -15,7 +13,7 @@ public class CustomerShortNamesNoNull extends CustomerShortNames {
     public static CustomerShortNamesNoNull[] fromCustomers(Customer[] customers) {
         CustomerShortNamesNoNull[] feedback = new CustomerShortNamesNoNull[customers.length];
 
-        for(int i = 0; i < customers.length; i++) {
+        for (int i = 0; i < customers.length; i++) {
             Customer aCustomer = customers[i];
             CustomerShortNamesNoNull newOne = new CustomerShortNamesNoNull();
 

json/src/main/java/com/baeldung/jsonoptimization/CustomerSlim.java

@@ -56,7 +56,7 @@ public class CustomerSlim {
     public static CustomerSlim[] fromCustomers(Customer[] customers) {
         CustomerSlim[] feedback = new CustomerSlim[customers.length];
 
-        for(int i = 0; i < customers.length; i++) {
+        for (int i = 0; i < customers.length; i++) {
             Customer aCustomer = customers[i];
             CustomerSlim newOne = new CustomerSlim();
 
@@ -70,5 +70,4 @@ public class CustomerSlim {
         return feedback;
     }
 
-
 }

json/src/test/java/com/baeldung/jsonoptimization/JsonOptimizationUnitTest.java

@@ -15,7 +15,6 @@ import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.Version;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.ObjectWriter;