Java, eliminate unsafe casts (#338)

* Updates FrozenList/Map to use AbstractList/Map

* Refactors castToAllowedTypes into JsonSchema

* Fixes for any type schemas

* Fixes more template errors

* Removes unneeded casting methods

* Removes more unneeded methods

* Fixes java tests

* Removes getNewInstance from non collection types

* Has casting return list and map wildcard types

* Removes unchecked casts in getNewInstance

* Removes unchecked casts in getnewinstance with object input

* Removes unused variables, fixes variable names

* Updates ArrayTypeSchemaTest

* Updates ObjectTypeSchemaTest

* Java tests fixed

* Samples regen

Author: spacether

samples/client/3_0_3_unit_test/java/docs/components/schemas/AdditionalpropertiesAllowsASchemaWhichShouldValidate.md

@@ -52,7 +52,7 @@ AdditionalpropertiesAllowsASchemaWhichShouldValidate.AdditionalpropertiesAllowsA
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenMap.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(Map.class)<br/> |
 | Map<String, Class<? extends JsonSchema>> | &nbsp;&nbsp;&nbsp;&nbsp;properties = Map.ofEntries(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;new PropertyEntry("foo", [Foo.class](#foo))),<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;new PropertyEntry("bar", [Bar.class](#bar)))<br>&nbsp;&nbsp;&nbsp;&nbsp;)<br> |
 | Class<? extends JsonSchema> | &nbsp;&nbsp;&nbsp;&nbsp;additionalProperties = [AdditionalProperties.class](#additionalproperties)<br> |
 

samples/client/3_0_3_unit_test/java/docs/components/schemas/AdditionalpropertiesCanExistByItself.md

@@ -50,7 +50,7 @@ AdditionalpropertiesCanExistByItself.AdditionalpropertiesCanExistByItselfMap val
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenMap.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(Map.class)<br/> |
 | Class<? extends JsonSchema> | &nbsp;&nbsp;&nbsp;&nbsp;additionalProperties = [AdditionalProperties.class](#additionalproperties)<br> |
 
 ### Method Summary

samples/client/3_0_3_unit_test/java/docs/components/schemas/ArrayTypeMatchesArrays.md

@@ -50,7 +50,7 @@ ArrayTypeMatchesArrays.ArrayTypeMatchesArraysList validatedPayload =
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenList.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(List.class)<br/> |
 | Class<? extends JsonSchema> | &nbsp;&nbsp;&nbsp;&nbsp;items = [Items.class](#items)<br> |
 
 ### Method Summary

samples/client/3_0_3_unit_test/java/docs/components/schemas/EnumsInProperties.md

@@ -59,7 +59,7 @@ EnumsInProperties.EnumsInPropertiesMap validatedPayload =
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenMap.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(Map.class)<br/> |
 | Map<String, Class<? extends JsonSchema>> | &nbsp;&nbsp;&nbsp;&nbsp;properties = Map.ofEntries(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;new PropertyEntry("foo", [Foo.class](#foo))),<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;new PropertyEntry("bar", [Bar.class](#bar)))<br>&nbsp;&nbsp;&nbsp;&nbsp;)<br> |
 | Set<String> | &nbsp;&nbsp;&nbsp;&nbsp;required = Set.of(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"bar"<br>&nbsp;&nbsp;&nbsp;&nbsp;)<br> |
 

samples/client/3_0_3_unit_test/java/docs/components/schemas/NestedItems.md

@@ -66,7 +66,7 @@ NestedItems.NestedItemsList validatedPayload =
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenList.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(List.class)<br/> |
 | Class<? extends JsonSchema> | &nbsp;&nbsp;&nbsp;&nbsp;items = [Items.class](#items)<br> |
 
 ### Method Summary
@@ -134,7 +134,7 @@ NestedItems.ItemsList2 validatedPayload =
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenList.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(List.class)<br/> |
 | Class<? extends JsonSchema> | &nbsp;&nbsp;&nbsp;&nbsp;items = [Items1.class](#items1)<br> |
 
 ### Method Summary
@@ -200,7 +200,7 @@ NestedItems.ItemsList1 validatedPayload =
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenList.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(List.class)<br/> |
 | Class<? extends JsonSchema> | &nbsp;&nbsp;&nbsp;&nbsp;items = [Items2.class](#items2)<br> |
 
 ### Method Summary
@@ -264,7 +264,7 @@ NestedItems.ItemsList validatedPayload =
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenList.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(List.class)<br/> |
 | Class<? extends JsonSchema> | &nbsp;&nbsp;&nbsp;&nbsp;items = [Items3.class](#items3)<br> |
 
 ### Method Summary

samples/client/3_0_3_unit_test/java/docs/components/schemas/NotMoreComplexSchema.md

@@ -79,7 +79,7 @@ NotMoreComplexSchema.NotMap validatedPayload =
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenMap.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(Map.class)<br/> |
 | Map<String, Class<? extends JsonSchema>> | &nbsp;&nbsp;&nbsp;&nbsp;properties = Map.ofEntries(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;new PropertyEntry("foo", [Foo.class](#foo)))<br>&nbsp;&nbsp;&nbsp;&nbsp;)<br> |
 
 ### Method Summary

samples/client/3_0_3_unit_test/java/docs/components/schemas/OneofWithRequired.md

@@ -29,7 +29,7 @@ A schema class that validates payloads
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenMap.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(Map.class)<br/> |
 | List<Class<? extends JsonSchema>> | &nbsp;&nbsp;&nbsp;&nbsp;oneOf = List.of(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[Schema0.class](#schema0),<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[Schema1.class](#schema1)<br>&nbsp;&nbsp;&nbsp;&nbsp;))<br> |
 
 ### Method Summary

samples/client/3_0_3_unit_test/java/docs/components/schemas/RefInAdditionalproperties.md

@@ -49,7 +49,7 @@ RefInAdditionalproperties.RefInAdditionalpropertiesMap validatedPayload =
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenMap.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(Map.class)<br/> |
 | Class<? extends JsonSchema> | &nbsp;&nbsp;&nbsp;&nbsp;additionalProperties = [PropertyNamedRefThatIsNotAReference.PropertyNamedRefThatIsNotAReference1.class](../../components/schemas/PropertyNamedRefThatIsNotAReference.md#propertynamedrefthatisnotareference1)<br> |
 
 ### Method Summary

samples/client/3_0_3_unit_test/java/docs/components/schemas/RefInItems.md

@@ -49,7 +49,7 @@ RefInItems.RefInItemsList validatedPayload =
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenList.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(List.class)<br/> |
 | Class<? extends JsonSchema> | &nbsp;&nbsp;&nbsp;&nbsp;items = [PropertyNamedRefThatIsNotAReference.PropertyNamedRefThatIsNotAReference1.class](../../components/schemas/PropertyNamedRefThatIsNotAReference.md#propertynamedrefthatisnotareference1)<br> |
 
 ### Method Summary

samples/client/3_0_3_unit_test/java/docs/components/schemas/TheDefaultKeywordDoesNotDoAnythingIfThePropertyIsMissing.md

@@ -54,7 +54,7 @@ TheDefaultKeywordDoesNotDoAnythingIfThePropertyIsMissing.TheDefaultKeywordDoesNo
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
-| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(FrozenMap.class)<br/> |
+| Set<Class<?>> | &nbsp;&nbsp;&nbsp;&nbsp;type = Set.of(Map.class)<br/> |
 | Map<String, Class<? extends JsonSchema>> | &nbsp;&nbsp;&nbsp;&nbsp;properties = Map.ofEntries(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;new PropertyEntry("alpha", [Alpha.class](#alpha)))<br>&nbsp;&nbsp;&nbsp;&nbsp;)<br> |
 
 ### Method Summary