[Java] fix deserialization of readonly properties (#10113)

* [Java] fix deserialization of readonly properties

* [Java] fix deserialization of readonly properties

* [Java] fix deserialization of readonly properties

* [Java] fix deserialization of readonly properties

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java

@@ -1247,6 +1247,10 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
                 model.getVendorExtensions().put("x-jackson-optional-nullable-helpers", true);
             }
         }
+
+        if (property.isReadOnly) {
+            model.getVendorExtensions().put("x-has-readonly-properties", true);
+        }
     }
 
     @Override

modules/openapi-generator/src/main/resources/Java/libraries/jersey2/model.mustache

@@ -31,6 +31,9 @@ import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 {{#withXml}}
 import com.fasterxml.jackson.dataformat.xml.annotation.*;
 {{/withXml}}
+{{#vendorExtensions.x-has-readonly-properties}}
+import com.fasterxml.jackson.annotation.JsonCreator;
+{{/vendorExtensions.x-has-readonly-properties}}
 {{/jackson}}
 {{#withXml}}
 import javax.xml.bind.annotation.*;

modules/openapi-generator/src/main/resources/Java/libraries/jersey2/pojo.mustache

@@ -78,27 +78,22 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{/vendorExtensions.x-is-jackson-optional-nullable}}
 
   {{/vars}}
-  {{#parcelableModel}}
-  public {{classname}}() {
-  {{#parent}}
-    super();
-  {{/parent}}
-  {{#gson}}
-  {{#discriminator}}
-    this.{{{discriminatorName}}} = this.getClass().getSimpleName();
-  {{/discriminator}}
-  {{/gson}}
-  }
-  {{/parcelableModel}}
-  {{^parcelableModel}}
-  {{#gson}}
-  {{#discriminator}}
-  public {{classname}}() {
-    this.{{{discriminatorName}}} = this.getClass().getSimpleName();
-  }
-  {{/discriminator}}
-  {{/gson}}
-  {{/parcelableModel}}
+  public {{classname}}() { {{#parent}}{{#parcelableModel}}
+    super();{{/parcelableModel}}{{/parent}}{{#gson}}{{#discriminator}}
+    this.{{{discriminatorName}}} = this.getClass().getSimpleName();{{/discriminator}}{{/gson}}
+  }{{#vendorExtensions.x-has-readonly-properties}}{{^withXml}}{{#jackson}}
+
+  @JsonCreator
+  public {{classname}}(
+  {{#readOnlyVars}}
+    {{#jackson}}@JsonProperty(JSON_PROPERTY_{{nameInSnakeCase}}){{/jackson}} {{{datatypeWithEnum}}} {{name}}{{^-last}}, {{/-last}}
+  {{/readOnlyVars}}
+  ) {
+    this();
+  {{#readOnlyVars}}
+    this.{{name}} = {{name}};
+  {{/readOnlyVars}}
+  }{{/jackson}}{{/withXml}}{{/vendorExtensions.x-has-readonly-properties}}
   {{#vars}}
 
   {{^isReadOnly}}

modules/openapi-generator/src/main/resources/Java/libraries/microprofile/pojo.mustache

@@ -18,6 +18,9 @@ import javax.json.bind.serializer.SerializationContext;
 import javax.json.stream.JsonGenerator;
 import javax.json.stream.JsonParser;
 import javax.json.bind.annotation.JsonbProperty;
+{{#vendorExtensions.x-has-readonly-properties}}
+import javax.json.bind.annotation.JsonbCreator;
+{{/vendorExtensions.x-has-readonly-properties}}
 {{/withXml}}
 
 {{#withXml}}
@@ -56,7 +59,21 @@ public class {{classname}} {{#parent}}extends {{{.}}}{{/parent}}{{#serializableM
   private {{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
 {{/isContainer}}
   {{/vars}}
+{{#vendorExtensions.x-has-readonly-properties}}{{^withXml}}
+  public {{classname}}() {
+  }
 
+  @JsonbCreator
+  public {{classname}}(
+  {{#readOnlyVars}}
+    @JsonbProperty("{{baseName}}") {{{datatypeWithEnum}}} {{name}}{{^-last}}, {{/-last}}
+  {{/readOnlyVars}}
+  ) {
+  {{#readOnlyVars}}
+    this.{{name}} = {{name}};
+  {{/readOnlyVars}}
+  }
+  {{/withXml}}{{/vendorExtensions.x-has-readonly-properties}}
   {{#vars}}
  /**
   {{#description}}

modules/openapi-generator/src/main/resources/Java/libraries/native/model.mustache

@@ -31,6 +31,9 @@ import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 {{#withXml}}
 import com.fasterxml.jackson.dataformat.xml.annotation.*;
 {{/withXml}}
+{{#vendorExtensions.x-has-readonly-properties}}
+import com.fasterxml.jackson.annotation.JsonCreator;
+{{/vendorExtensions.x-has-readonly-properties}}
 {{/jackson}}
 {{#withXml}}
 import javax.xml.bind.annotation.*;

modules/openapi-generator/src/main/resources/Java/libraries/native/pojo.mustache

@@ -81,27 +81,22 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{/vendorExtensions.x-is-jackson-optional-nullable}}
 
   {{/vars}}
-  {{#parcelableModel}}
-  public {{classname}}() {
-  {{#parent}}
-    super();
-  {{/parent}}
-  {{#gson}}
-  {{#discriminator}}
-    this.{{{discriminatorName}}} = this.getClass().getSimpleName();
-  {{/discriminator}}
-  {{/gson}}
-  }
-  {{/parcelableModel}}
-  {{^parcelableModel}}
-  {{#gson}}
-  {{#discriminator}}
-  public {{classname}}() {
-    this.{{{discriminatorName}}} = this.getClass().getSimpleName();
-  }
-  {{/discriminator}}
-  {{/gson}}
-  {{/parcelableModel}}
+  public {{classname}}() { {{#parent}}{{#parcelableModel}}
+    super();{{/parcelableModel}}{{/parent}}{{#gson}}{{#discriminator}}
+    this.{{{discriminatorName}}} = this.getClass().getSimpleName();{{/discriminator}}{{/gson}}
+  }{{#vendorExtensions.x-has-readonly-properties}}{{^withXml}}
+
+  {{#jackson}}@JsonCreator{{/jackson}}
+  public {{classname}}(
+  {{#readOnlyVars}}
+    @JsonProperty(JSON_PROPERTY_{{nameInSnakeCase}}) {{{datatypeWithEnum}}} {{name}}{{^-last}}, {{/-last}}
+  {{/readOnlyVars}}
+  ) {
+  this();
+  {{#readOnlyVars}}
+    this.{{name}} = {{name}};
+  {{/readOnlyVars}}
+  }{{/withXml}}{{/vendorExtensions.x-has-readonly-properties}}
   {{#vars}}
 
   {{^isReadOnly}}

modules/openapi-generator/src/main/resources/Java/model.mustache

@@ -20,6 +20,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 {{#withXml}}
 import com.fasterxml.jackson.dataformat.xml.annotation.*;
 {{/withXml}}
+{{#vendorExtensions.x-has-readonly-properties}}
+import com.fasterxml.jackson.annotation.JsonCreator;
+{{/vendorExtensions.x-has-readonly-properties}}
 {{/jackson}}
 {{#withXml}}
 import javax.xml.bind.annotation.*;
@@ -35,6 +38,9 @@ import javax.json.bind.serializer.SerializationContext;
 import javax.json.stream.JsonGenerator;
 import javax.json.stream.JsonParser;
 import javax.json.bind.annotation.JsonbProperty;
+{{#vendorExtensions.x-has-readonly-properties}}
+import javax.json.bind.annotation.JsonbCreator;
+{{/vendorExtensions.x-has-readonly-properties}}
 {{/jsonb}}
 {{#parcelableModel}}
 import android.os.Parcelable;

modules/openapi-generator/src/main/resources/Java/pojo.mustache

@@ -77,27 +77,22 @@ public class {{classname}} {{#parent}}extends {{{.}}} {{/parent}}{{#vendorExtens
   {{/vendorExtensions.x-is-jackson-optional-nullable}}
 
   {{/vars}}
-  {{#parcelableModel}}
-  public {{classname}}() {
-  {{#parent}}
-    super();
-  {{/parent}}
-  {{#gson}}
-  {{#discriminator}}
-    this.{{{discriminatorName}}} = this.getClass().getSimpleName();
-  {{/discriminator}}
-  {{/gson}}
-  }
-  {{/parcelableModel}}
-  {{^parcelableModel}}
-  {{#gson}}
-  {{#discriminator}}
-  public {{classname}}() {
-    this.{{{discriminatorName}}} = this.getClass().getSimpleName();
-  }
-  {{/discriminator}}
-  {{/gson}}
-  {{/parcelableModel}}
+  public {{classname}}() { {{#parent}}{{#parcelableModel}}
+    super();{{/parcelableModel}}{{/parent}}{{#gson}}{{#discriminator}}
+    this.{{{discriminatorName}}} = this.getClass().getSimpleName();{{/discriminator}}{{/gson}}
+  }{{#vendorExtensions.x-has-readonly-properties}}{{^withXml}}
+
+  {{#jsonb}}@JsonbCreator{{/jsonb}}{{#jackson}}@JsonCreator{{/jackson}}
+  public {{classname}}(
+  {{#readOnlyVars}}
+    {{#jsonb}}@JsonbProperty("{{baseName}}"){{/jsonb}}{{#jackson}}@JsonProperty(JSON_PROPERTY_{{nameInSnakeCase}}){{/jackson}} {{{datatypeWithEnum}}} {{name}}{{^-last}}, {{/-last}}
+  {{/readOnlyVars}}
+  ) {
+    this();
+  {{#readOnlyVars}}
+    this.{{name}} = {{name}};
+  {{/readOnlyVars}}
+  }{{/withXml}}{{/vendorExtensions.x-has-readonly-properties}}
   {{#vars}}
 
   {{^isReadOnly}}

samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/model/SomeObj.java

@@ -94,6 +94,8 @@ public class SomeObj {
   @SerializedName(SERIALIZED_NAME_TYPE)
   private String type;
 
+  public SomeObj() { 
+  }
 
   public SomeObj $type(TypeEnum $type) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AdditionalPropertiesAnyType.java

@@ -39,6 +39,8 @@ public class AdditionalPropertiesAnyType extends HashMap<String, Object> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesAnyType() { 
+  }
 
   public AdditionalPropertiesAnyType name(String name) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AdditionalPropertiesArray.java

@@ -40,6 +40,8 @@ public class AdditionalPropertiesArray extends HashMap<String, List> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesArray() { 
+  }
 
   public AdditionalPropertiesArray name(String name) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AdditionalPropertiesBoolean.java

@@ -39,6 +39,8 @@ public class AdditionalPropertiesBoolean extends HashMap<String, Boolean> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesBoolean() { 
+  }
 
   public AdditionalPropertiesBoolean name(String name) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java

@@ -81,6 +81,8 @@ public class AdditionalPropertiesClass {
   public static final String JSON_PROPERTY_ANYTYPE3 = "anytype_3";
   private Object anytype3;
 
+  public AdditionalPropertiesClass() { 
+  }
 
   public AdditionalPropertiesClass mapString(Map<String, String> mapString) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AdditionalPropertiesInteger.java

@@ -39,6 +39,8 @@ public class AdditionalPropertiesInteger extends HashMap<String, Integer> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesInteger() { 
+  }
 
   public AdditionalPropertiesInteger name(String name) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AdditionalPropertiesNumber.java

@@ -40,6 +40,8 @@ public class AdditionalPropertiesNumber extends HashMap<String, BigDecimal> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesNumber() { 
+  }
 
   public AdditionalPropertiesNumber name(String name) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AdditionalPropertiesObject.java

@@ -39,6 +39,8 @@ public class AdditionalPropertiesObject extends HashMap<String, Map> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesObject() { 
+  }
 
   public AdditionalPropertiesObject name(String name) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AdditionalPropertiesString.java

@@ -39,6 +39,8 @@ public class AdditionalPropertiesString extends HashMap<String, String> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesString() { 
+  }
 
   public AdditionalPropertiesString name(String name) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Animal.java

@@ -53,6 +53,8 @@ public class Animal {
   public static final String JSON_PROPERTY_COLOR = "color";
   private String color = "red";
 
+  public Animal() { 
+  }
 
   public Animal className(String className) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java

@@ -40,6 +40,8 @@ public class ArrayOfArrayOfNumberOnly {
   public static final String JSON_PROPERTY_ARRAY_ARRAY_NUMBER = "ArrayArrayNumber";
   private List<List<BigDecimal>> arrayArrayNumber = null;
 
+  public ArrayOfArrayOfNumberOnly() { 
+  }
 
   public ArrayOfArrayOfNumberOnly arrayArrayNumber(List<List<BigDecimal>> arrayArrayNumber) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ArrayOfNumberOnly.java

@@ -40,6 +40,8 @@ public class ArrayOfNumberOnly {
   public static final String JSON_PROPERTY_ARRAY_NUMBER = "ArrayNumber";
   private List<BigDecimal> arrayNumber = null;
 
+  public ArrayOfNumberOnly() { 
+  }
 
   public ArrayOfNumberOnly arrayNumber(List<BigDecimal> arrayNumber) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ArrayTest.java

@@ -48,6 +48,8 @@ public class ArrayTest {
   public static final String JSON_PROPERTY_ARRAY_ARRAY_OF_MODEL = "array_array_of_model";
   private List<List<ReadOnlyFirst>> arrayArrayOfModel = null;
 
+  public ArrayTest() { 
+  }
 
   public ArrayTest arrayOfString(List<String> arrayOfString) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/BigCat.java

@@ -82,6 +82,8 @@ public class BigCat extends Cat {
   public static final String JSON_PROPERTY_KIND = "kind";
   private KindEnum kind;
 
+  public BigCat() { 
+  }
 
   public BigCat kind(KindEnum kind) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/BigCatAllOf.java

@@ -76,6 +76,8 @@ public class BigCatAllOf {
   public static final String JSON_PROPERTY_KIND = "kind";
   private KindEnum kind;
 
+  public BigCatAllOf() { 
+  }
 
   public BigCatAllOf kind(KindEnum kind) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Capitalization.java

@@ -57,6 +57,8 @@ public class Capitalization {
   public static final String JSON_PROPERTY_A_T_T_N_A_M_E = "ATT_NAME";
   private String ATT_NAME;
 
+  public Capitalization() { 
+  }
 
   public Capitalization smallCamel(String smallCamel) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Cat.java

@@ -47,6 +47,8 @@ public class Cat extends Animal {
   public static final String JSON_PROPERTY_DECLAWED = "declawed";
   private Boolean declawed;
 
+  public Cat() { 
+  }
 
   public Cat declawed(Boolean declawed) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/CatAllOf.java

@@ -37,6 +37,8 @@ public class CatAllOf {
   public static final String JSON_PROPERTY_DECLAWED = "declawed";
   private Boolean declawed;
 
+  public CatAllOf() { 
+  }
 
   public CatAllOf declawed(Boolean declawed) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Category.java

@@ -41,6 +41,8 @@ public class Category {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name = "default-name";
 
+  public Category() { 
+  }
 
   public Category id(Long id) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ClassModel.java

@@ -38,6 +38,8 @@ public class ClassModel {
   public static final String JSON_PROPERTY_PROPERTY_CLASS = "_class";
   private String propertyClass;
 
+  public ClassModel() { 
+  }
 
   public ClassModel propertyClass(String propertyClass) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Client.java

@@ -37,6 +37,8 @@ public class Client {
   public static final String JSON_PROPERTY_CLIENT = "client";
   private String client;
 
+  public Client() { 
+  }
 
   public Client client(String client) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Dog.java

@@ -43,6 +43,8 @@ public class Dog extends Animal {
   public static final String JSON_PROPERTY_BREED = "breed";
   private String breed;
 
+  public Dog() { 
+  }
 
   public Dog breed(String breed) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/DogAllOf.java

@@ -37,6 +37,8 @@ public class DogAllOf {
   public static final String JSON_PROPERTY_BREED = "breed";
   private String breed;
 
+  public DogAllOf() { 
+  }
 
   public DogAllOf breed(String breed) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/EnumArrays.java

@@ -113,6 +113,8 @@ public class EnumArrays {
   public static final String JSON_PROPERTY_ARRAY_ENUM = "array_enum";
   private List<ArrayEnumEnum> arrayEnum = null;
 
+  public EnumArrays() { 
+  }
 
   public EnumArrays justSymbol(JustSymbolEnum justSymbol) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -198,6 +198,8 @@ public class EnumTest {
   public static final String JSON_PROPERTY_OUTER_ENUM = "outerEnum";
   private OuterEnum outerEnum;
 
+  public EnumTest() { 
+  }
 
   public EnumTest enumString(EnumStringEnum enumString) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/FileSchemaTestClass.java

@@ -43,6 +43,8 @@ public class FileSchemaTestClass {
   public static final String JSON_PROPERTY_FILES = "files";
   private List<java.io.File> files = null;
 
+  public FileSchemaTestClass() { 
+  }
 
   public FileSchemaTestClass file(java.io.File file) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -94,6 +94,8 @@ public class FormatTest {
   public static final String JSON_PROPERTY_BIG_DECIMAL = "BigDecimal";
   private BigDecimal bigDecimal;
 
+  public FormatTest() { 
+  }
 
   public FormatTest integer(Integer integer) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/HasOnlyReadOnly.java

@@ -41,6 +41,18 @@ public class HasOnlyReadOnly {
   public static final String JSON_PROPERTY_FOO = "foo";
   private String foo;
 
+  public HasOnlyReadOnly() { 
+  }
+
+  @JsonCreator
+  public HasOnlyReadOnly(
+    @JsonProperty(JSON_PROPERTY_BAR) String bar, 
+    @JsonProperty(JSON_PROPERTY_FOO) String foo
+  ) {
+    this();
+    this.bar = bar;
+    this.foo = foo;
+  }
 
    /**
    * Get bar

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/MapTest.java

@@ -87,6 +87,8 @@ public class MapTest {
   public static final String JSON_PROPERTY_INDIRECT_MAP = "indirect_map";
   private Map<String, Boolean> indirectMap = null;
 
+  public MapTest() { 
+  }
 
   public MapTest mapMapOfString(Map<String, Map<String, String>> mapMapOfString) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -51,6 +51,8 @@ public class MixedPropertiesAndAdditionalPropertiesClass {
   public static final String JSON_PROPERTY_MAP = "map";
   private Map<String, Animal> map = null;
 
+  public MixedPropertiesAndAdditionalPropertiesClass() { 
+  }
 
   public MixedPropertiesAndAdditionalPropertiesClass uuid(UUID uuid) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Model200Response.java

@@ -42,6 +42,8 @@ public class Model200Response {
   public static final String JSON_PROPERTY_PROPERTY_CLASS = "class";
   private String propertyClass;
 
+  public Model200Response() { 
+  }
 
   public Model200Response name(Integer name) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ModelApiResponse.java

@@ -45,6 +45,8 @@ public class ModelApiResponse {
   public static final String JSON_PROPERTY_MESSAGE = "message";
   private String message;
 
+  public ModelApiResponse() { 
+  }
 
   public ModelApiResponse code(Integer code) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ModelReturn.java

@@ -38,6 +38,8 @@ public class ModelReturn {
   public static final String JSON_PROPERTY_RETURN = "return";
   private Integer _return;
 
+  public ModelReturn() { 
+  }
 
   public ModelReturn _return(Integer _return) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Name.java

@@ -50,6 +50,18 @@ public class Name {
   public static final String JSON_PROPERTY_123NUMBER = "123Number";
   private Integer _123number;
 
+  public Name() { 
+  }
+
+  @JsonCreator
+  public Name(
+    @JsonProperty(JSON_PROPERTY_SNAKE_CASE) Integer snakeCase, 
+    @JsonProperty(JSON_PROPERTY_123NUMBER) Integer _123number
+  ) {
+    this();
+    this.snakeCase = snakeCase;
+    this._123number = _123number;
+  }
 
   public Name name(Integer name) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/NumberOnly.java

@@ -38,6 +38,8 @@ public class NumberOnly {
   public static final String JSON_PROPERTY_JUST_NUMBER = "JustNumber";
   private BigDecimal justNumber;
 
+  public NumberOnly() { 
+  }
 
   public NumberOnly justNumber(BigDecimal justNumber) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Order.java

@@ -95,6 +95,8 @@ public class Order {
   public static final String JSON_PROPERTY_COMPLETE = "complete";
   private Boolean complete = false;
 
+  public Order() { 
+  }
 
   public Order id(Long id) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/OuterComposite.java

@@ -46,6 +46,8 @@ public class OuterComposite {
   public static final String JSON_PROPERTY_MY_BOOLEAN = "my_boolean";
   private Boolean myBoolean;
 
+  public OuterComposite() { 
+  }
 
   public OuterComposite myNumber(BigDecimal myNumber) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Pet.java

@@ -101,6 +101,8 @@ public class Pet {
   public static final String JSON_PROPERTY_STATUS = "status";
   private StatusEnum status;
 
+  public Pet() { 
+  }
 
   public Pet id(Long id) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ReadOnlyFirst.java

@@ -41,6 +41,16 @@ public class ReadOnlyFirst {
   public static final String JSON_PROPERTY_BAZ = "baz";
   private String baz;
 
+  public ReadOnlyFirst() { 
+  }
+
+  @JsonCreator
+  public ReadOnlyFirst(
+    @JsonProperty(JSON_PROPERTY_BAR) String bar
+  ) {
+    this();
+    this.bar = bar;
+  }
 
    /**
    * Get bar

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/SpecialModelName.java

@@ -37,6 +37,8 @@ public class SpecialModelName {
   public static final String JSON_PROPERTY_$_SPECIAL_PROPERTY_NAME = "$special[property.name]";
   private Long $specialPropertyName;
 
+  public SpecialModelName() { 
+  }
 
   public SpecialModelName $specialPropertyName(Long $specialPropertyName) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Tag.java

@@ -41,6 +41,8 @@ public class Tag {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public Tag() { 
+  }
 
   public Tag id(Long id) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -56,6 +56,8 @@ public class TypeHolderDefault {
   public static final String JSON_PROPERTY_ARRAY_ITEM = "array_item";
   private List<Integer> arrayItem = new ArrayList<>();
 
+  public TypeHolderDefault() { 
+  }
 
   public TypeHolderDefault stringItem(String stringItem) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -60,6 +60,8 @@ public class TypeHolderExample {
   public static final String JSON_PROPERTY_ARRAY_ITEM = "array_item";
   private List<Integer> arrayItem = new ArrayList<>();
 
+  public TypeHolderExample() { 
+  }
 
   public TypeHolderExample stringItem(String stringItem) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/User.java

@@ -65,6 +65,8 @@ public class User {
   public static final String JSON_PROPERTY_USER_STATUS = "userStatus";
   private Integer userStatus;
 
+  public User() { 
+  }
 
   public User id(Long id) {
     

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/XmlItem.java

@@ -152,6 +152,8 @@ public class XmlItem {
   public static final String JSON_PROPERTY_PREFIX_NS_WRAPPED_ARRAY = "prefix_ns_wrapped_array";
   private List<Integer> prefixNsWrappedArray = null;
 
+  public XmlItem() { 
+  }
 
   public XmlItem attributeString(String attributeString) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/AdditionalPropertiesAnyType.java

@@ -40,6 +40,8 @@ public class AdditionalPropertiesAnyType extends HashMap<String, Object> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesAnyType() { 
+  }
 
   public AdditionalPropertiesAnyType name(String name) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/AdditionalPropertiesArray.java

@@ -41,6 +41,8 @@ public class AdditionalPropertiesArray extends HashMap<String, List> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesArray() { 
+  }
 
   public AdditionalPropertiesArray name(String name) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/AdditionalPropertiesBoolean.java

@@ -40,6 +40,8 @@ public class AdditionalPropertiesBoolean extends HashMap<String, Boolean> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesBoolean() { 
+  }
 
   public AdditionalPropertiesBoolean name(String name) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java

@@ -82,6 +82,8 @@ public class AdditionalPropertiesClass {
   public static final String JSON_PROPERTY_ANYTYPE3 = "anytype_3";
   private Object anytype3;
 
+  public AdditionalPropertiesClass() { 
+  }
 
   public AdditionalPropertiesClass mapString(Map<String, String> mapString) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/AdditionalPropertiesInteger.java

@@ -40,6 +40,8 @@ public class AdditionalPropertiesInteger extends HashMap<String, Integer> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesInteger() { 
+  }
 
   public AdditionalPropertiesInteger name(String name) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/AdditionalPropertiesNumber.java

@@ -41,6 +41,8 @@ public class AdditionalPropertiesNumber extends HashMap<String, BigDecimal> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesNumber() { 
+  }
 
   public AdditionalPropertiesNumber name(String name) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/AdditionalPropertiesObject.java

@@ -40,6 +40,8 @@ public class AdditionalPropertiesObject extends HashMap<String, Map> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesObject() { 
+  }
 
   public AdditionalPropertiesObject name(String name) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/AdditionalPropertiesString.java

@@ -40,6 +40,8 @@ public class AdditionalPropertiesString extends HashMap<String, String> {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public AdditionalPropertiesString() { 
+  }
 
   public AdditionalPropertiesString name(String name) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Animal.java

@@ -54,6 +54,8 @@ public class Animal {
   public static final String JSON_PROPERTY_COLOR = "color";
   private String color = "red";
 
+  public Animal() { 
+  }
 
   public Animal className(String className) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java

@@ -41,6 +41,8 @@ public class ArrayOfArrayOfNumberOnly {
   public static final String JSON_PROPERTY_ARRAY_ARRAY_NUMBER = "ArrayArrayNumber";
   private List<List<BigDecimal>> arrayArrayNumber = null;
 
+  public ArrayOfArrayOfNumberOnly() { 
+  }
 
   public ArrayOfArrayOfNumberOnly arrayArrayNumber(List<List<BigDecimal>> arrayArrayNumber) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/ArrayOfNumberOnly.java

@@ -41,6 +41,8 @@ public class ArrayOfNumberOnly {
   public static final String JSON_PROPERTY_ARRAY_NUMBER = "ArrayNumber";
   private List<BigDecimal> arrayNumber = null;
 
+  public ArrayOfNumberOnly() { 
+  }
 
   public ArrayOfNumberOnly arrayNumber(List<BigDecimal> arrayNumber) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/ArrayTest.java

@@ -49,6 +49,8 @@ public class ArrayTest {
   public static final String JSON_PROPERTY_ARRAY_ARRAY_OF_MODEL = "array_array_of_model";
   private List<List<ReadOnlyFirst>> arrayArrayOfModel = null;
 
+  public ArrayTest() { 
+  }
 
   public ArrayTest arrayOfString(List<String> arrayOfString) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/BigCat.java

@@ -83,6 +83,8 @@ public class BigCat extends Cat {
   public static final String JSON_PROPERTY_KIND = "kind";
   private KindEnum kind;
 
+  public BigCat() { 
+  }
 
   public BigCat kind(KindEnum kind) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/BigCatAllOf.java

@@ -77,6 +77,8 @@ public class BigCatAllOf {
   public static final String JSON_PROPERTY_KIND = "kind";
   private KindEnum kind;
 
+  public BigCatAllOf() { 
+  }
 
   public BigCatAllOf kind(KindEnum kind) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Capitalization.java

@@ -58,6 +58,8 @@ public class Capitalization {
   public static final String JSON_PROPERTY_A_T_T_N_A_M_E = "ATT_NAME";
   private String ATT_NAME;
 
+  public Capitalization() { 
+  }
 
   public Capitalization smallCamel(String smallCamel) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Cat.java

@@ -48,6 +48,8 @@ public class Cat extends Animal {
   public static final String JSON_PROPERTY_DECLAWED = "declawed";
   private Boolean declawed;
 
+  public Cat() { 
+  }
 
   public Cat declawed(Boolean declawed) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/CatAllOf.java

@@ -38,6 +38,8 @@ public class CatAllOf {
   public static final String JSON_PROPERTY_DECLAWED = "declawed";
   private Boolean declawed;
 
+  public CatAllOf() { 
+  }
 
   public CatAllOf declawed(Boolean declawed) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Category.java

@@ -42,6 +42,8 @@ public class Category {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name = "default-name";
 
+  public Category() { 
+  }
 
   public Category id(Long id) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/ClassModel.java

@@ -39,6 +39,8 @@ public class ClassModel {
   public static final String JSON_PROPERTY_PROPERTY_CLASS = "_class";
   private String propertyClass;
 
+  public ClassModel() { 
+  }
 
   public ClassModel propertyClass(String propertyClass) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Client.java

@@ -38,6 +38,8 @@ public class Client {
   public static final String JSON_PROPERTY_CLIENT = "client";
   private String client;
 
+  public Client() { 
+  }
 
   public Client client(String client) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Dog.java

@@ -44,6 +44,8 @@ public class Dog extends Animal {
   public static final String JSON_PROPERTY_BREED = "breed";
   private String breed;
 
+  public Dog() { 
+  }
 
   public Dog breed(String breed) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/DogAllOf.java

@@ -38,6 +38,8 @@ public class DogAllOf {
   public static final String JSON_PROPERTY_BREED = "breed";
   private String breed;
 
+  public DogAllOf() { 
+  }
 
   public DogAllOf breed(String breed) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/EnumArrays.java

@@ -114,6 +114,8 @@ public class EnumArrays {
   public static final String JSON_PROPERTY_ARRAY_ENUM = "array_enum";
   private List<ArrayEnumEnum> arrayEnum = null;
 
+  public EnumArrays() { 
+  }
 
   public EnumArrays justSymbol(JustSymbolEnum justSymbol) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -199,6 +199,8 @@ public class EnumTest {
   public static final String JSON_PROPERTY_OUTER_ENUM = "outerEnum";
   private OuterEnum outerEnum;
 
+  public EnumTest() { 
+  }
 
   public EnumTest enumString(EnumStringEnum enumString) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/FileSchemaTestClass.java

@@ -44,6 +44,8 @@ public class FileSchemaTestClass {
   public static final String JSON_PROPERTY_FILES = "files";
   private List<java.io.File> files = null;
 
+  public FileSchemaTestClass() { 
+  }
 
   public FileSchemaTestClass file(java.io.File file) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -95,6 +95,8 @@ public class FormatTest {
   public static final String JSON_PROPERTY_BIG_DECIMAL = "BigDecimal";
   private BigDecimal bigDecimal;
 
+  public FormatTest() { 
+  }
 
   public FormatTest integer(Integer integer) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/HasOnlyReadOnly.java

@@ -42,6 +42,18 @@ public class HasOnlyReadOnly {
   public static final String JSON_PROPERTY_FOO = "foo";
   private String foo;
 
+  public HasOnlyReadOnly() { 
+  }
+
+  @JsonCreator
+  public HasOnlyReadOnly(
+    @JsonProperty(JSON_PROPERTY_BAR) String bar, 
+    @JsonProperty(JSON_PROPERTY_FOO) String foo
+  ) {
+    this();
+    this.bar = bar;
+    this.foo = foo;
+  }
 
    /**
    * Get bar

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/MapTest.java

@@ -88,6 +88,8 @@ public class MapTest {
   public static final String JSON_PROPERTY_INDIRECT_MAP = "indirect_map";
   private Map<String, Boolean> indirectMap = null;
 
+  public MapTest() { 
+  }
 
   public MapTest mapMapOfString(Map<String, Map<String, String>> mapMapOfString) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -52,6 +52,8 @@ public class MixedPropertiesAndAdditionalPropertiesClass {
   public static final String JSON_PROPERTY_MAP = "map";
   private Map<String, Animal> map = null;
 
+  public MixedPropertiesAndAdditionalPropertiesClass() { 
+  }
 
   public MixedPropertiesAndAdditionalPropertiesClass uuid(UUID uuid) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Model200Response.java

@@ -43,6 +43,8 @@ public class Model200Response {
   public static final String JSON_PROPERTY_PROPERTY_CLASS = "class";
   private String propertyClass;
 
+  public Model200Response() { 
+  }
 
   public Model200Response name(Integer name) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/ModelApiResponse.java

@@ -46,6 +46,8 @@ public class ModelApiResponse {
   public static final String JSON_PROPERTY_MESSAGE = "message";
   private String message;
 
+  public ModelApiResponse() { 
+  }
 
   public ModelApiResponse code(Integer code) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/ModelReturn.java

@@ -39,6 +39,8 @@ public class ModelReturn {
   public static final String JSON_PROPERTY_RETURN = "return";
   private Integer _return;
 
+  public ModelReturn() { 
+  }
 
   public ModelReturn _return(Integer _return) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Name.java

@@ -51,6 +51,18 @@ public class Name {
   public static final String JSON_PROPERTY_123NUMBER = "123Number";
   private Integer _123number;
 
+  public Name() { 
+  }
+
+  @JsonCreator
+  public Name(
+    @JsonProperty(JSON_PROPERTY_SNAKE_CASE) Integer snakeCase, 
+    @JsonProperty(JSON_PROPERTY_123NUMBER) Integer _123number
+  ) {
+    this();
+    this.snakeCase = snakeCase;
+    this._123number = _123number;
+  }
 
   public Name name(Integer name) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/NumberOnly.java

@@ -39,6 +39,8 @@ public class NumberOnly {
   public static final String JSON_PROPERTY_JUST_NUMBER = "JustNumber";
   private BigDecimal justNumber;
 
+  public NumberOnly() { 
+  }
 
   public NumberOnly justNumber(BigDecimal justNumber) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Order.java

@@ -96,6 +96,8 @@ public class Order {
   public static final String JSON_PROPERTY_COMPLETE = "complete";
   private Boolean complete = false;
 
+  public Order() { 
+  }
 
   public Order id(Long id) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/OuterComposite.java

@@ -47,6 +47,8 @@ public class OuterComposite {
   public static final String JSON_PROPERTY_MY_BOOLEAN = "my_boolean";
   private Boolean myBoolean;
 
+  public OuterComposite() { 
+  }
 
   public OuterComposite myNumber(BigDecimal myNumber) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Pet.java

@@ -102,6 +102,8 @@ public class Pet {
   public static final String JSON_PROPERTY_STATUS = "status";
   private StatusEnum status;
 
+  public Pet() { 
+  }
 
   public Pet id(Long id) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/ReadOnlyFirst.java

@@ -42,6 +42,16 @@ public class ReadOnlyFirst {
   public static final String JSON_PROPERTY_BAZ = "baz";
   private String baz;
 
+  public ReadOnlyFirst() { 
+  }
+
+  @JsonCreator
+  public ReadOnlyFirst(
+    @JsonProperty(JSON_PROPERTY_BAR) String bar
+  ) {
+    this();
+    this.bar = bar;
+  }
 
    /**
    * Get bar

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/SpecialModelName.java

@@ -38,6 +38,8 @@ public class SpecialModelName {
   public static final String JSON_PROPERTY_$_SPECIAL_PROPERTY_NAME = "$special[property.name]";
   private Long $specialPropertyName;
 
+  public SpecialModelName() { 
+  }
 
   public SpecialModelName $specialPropertyName(Long $specialPropertyName) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Tag.java

@@ -42,6 +42,8 @@ public class Tag {
   public static final String JSON_PROPERTY_NAME = "name";
   private String name;
 
+  public Tag() { 
+  }
 
   public Tag id(Long id) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -57,6 +57,8 @@ public class TypeHolderDefault {
   public static final String JSON_PROPERTY_ARRAY_ITEM = "array_item";
   private List<Integer> arrayItem = new ArrayList<Integer>();
 
+  public TypeHolderDefault() { 
+  }
 
   public TypeHolderDefault stringItem(String stringItem) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -61,6 +61,8 @@ public class TypeHolderExample {
   public static final String JSON_PROPERTY_ARRAY_ITEM = "array_item";
   private List<Integer> arrayItem = new ArrayList<Integer>();
 
+  public TypeHolderExample() { 
+  }
 
   public TypeHolderExample stringItem(String stringItem) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/User.java

@@ -66,6 +66,8 @@ public class User {
   public static final String JSON_PROPERTY_USER_STATUS = "userStatus";
   private Integer userStatus;
 
+  public User() { 
+  }
 
   public User id(Long id) {
     

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/XmlItem.java

@@ -153,6 +153,8 @@ public class XmlItem {
   public static final String JSON_PROPERTY_PREFIX_NS_WRAPPED_ARRAY = "prefix_ns_wrapped_array";
   private List<Integer> prefixNsWrappedArray = null;
 
+  public XmlItem() { 
+  }
 
   public XmlItem attributeString(String attributeString) {
     

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java

@@ -44,6 +44,8 @@ public class AdditionalPropertiesClass {
   public static final String JSON_PROPERTY_MAP_OF_MAP_PROPERTY = "map_of_map_property";
   private Map<String, Map<String, String>> mapOfMapProperty = null;
 
+  public AdditionalPropertiesClass() { 
+  }
 
   public AdditionalPropertiesClass mapProperty(Map<String, String> mapProperty) {
     

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/Animal.java

@@ -51,6 +51,8 @@ public class Animal {
   public static final String JSON_PROPERTY_COLOR = "color";
   private String color = "red";
 
+  public Animal() { 
+  }
 
   public Animal className(String className) {
     

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java

@@ -40,6 +40,8 @@ public class ArrayOfArrayOfNumberOnly {
   public static final String JSON_PROPERTY_ARRAY_ARRAY_NUMBER = "ArrayArrayNumber";
   private List<List<BigDecimal>> arrayArrayNumber = null;
 
+  public ArrayOfArrayOfNumberOnly() { 
+  }
 
   public ArrayOfArrayOfNumberOnly arrayArrayNumber(List<List<BigDecimal>> arrayArrayNumber) {