Java: adds MapSchema (#279)

* Adds properties validator

* Adds FrozenMap and MapSchema

* Adds PropertiesValidatorTest

* Adds RequiredValidator.java + RequiredValidatorTest.java

* Adds AdditionalPropertiesValidator

* Adds AdditionalPropertiesValidatorTest

* Adds ObjectTypeSchemaTest

Author: spacether

samples/client/petstore/java/.openapi-generator/FILES

@@ -10,9 +10,11 @@ src/main/java/org/openapijsonschematools/schemas/DateTimeSchema.java
 src/main/java/org/openapijsonschematools/schemas/DecimalSchema.java
 src/main/java/org/openapijsonschematools/schemas/DoubleSchema.java
 src/main/java/org/openapijsonschematools/schemas/FloatSchema.java
+src/main/java/org/openapijsonschematools/schemas/FrozenMap.java
 src/main/java/org/openapijsonschematools/schemas/Int32Schema.java
 src/main/java/org/openapijsonschematools/schemas/Int64Schema.java
 src/main/java/org/openapijsonschematools/schemas/IntSchema.java
+src/main/java/org/openapijsonschematools/schemas/MapSchema.java
 src/main/java/org/openapijsonschematools/schemas/NullSchema.java
 src/main/java/org/openapijsonschematools/schemas/NumberSchema.java
 src/main/java/org/openapijsonschematools/schemas/PathToSchemasMap.java
@@ -22,15 +24,23 @@ src/main/java/org/openapijsonschematools/schemas/SchemaValidator.java
 src/main/java/org/openapijsonschematools/schemas/StringSchema.java
 src/main/java/org/openapijsonschematools/schemas/UnsetAnyTypeSchema.java
 src/main/java/org/openapijsonschematools/schemas/ValidationMetadata.java
+src/main/java/org/openapijsonschematools/schemas/validators/AdditionalPropertiesValidator.java
 src/main/java/org/openapijsonschematools/schemas/validators/FormatValidator.java
 src/main/java/org/openapijsonschematools/schemas/validators/KeywordValidator.java
+src/main/java/org/openapijsonschematools/schemas/validators/PropertiesValidator.java
+src/main/java/org/openapijsonschematools/schemas/validators/RequiredValidator.java
 src/main/java/org/openapijsonschematools/schemas/validators/TypeValidator.java
 src/test/java/org/openapijsonschematools/configurations/JsonSchemaKeywordFlagsTest.java
 src/test/java/org/openapijsonschematools/schemas/AnyTypeSchemaTest.java
 src/test/java/org/openapijsonschematools/schemas/BooleanSchemaTest.java
 src/test/java/org/openapijsonschematools/schemas/CustomIsoparserTest.java
+src/test/java/org/openapijsonschematools/schemas/MapSchemaTest.java
 src/test/java/org/openapijsonschematools/schemas/NullSchemaTest.java
 src/test/java/org/openapijsonschematools/schemas/NumberSchemaTest.java
+src/test/java/org/openapijsonschematools/schemas/ObjectTypeSchemaTest.java
 src/test/java/org/openapijsonschematools/schemas/SchemaValidatorTest.java
+src/test/java/org/openapijsonschematools/schemas/validators/AdditionalPropertiesValidatorTest.java
 src/test/java/org/openapijsonschematools/schemas/validators/FormatValidatorTest.java
+src/test/java/org/openapijsonschematools/schemas/validators/PropertiesValidatorTest.java
+src/test/java/org/openapijsonschematools/schemas/validators/RequiredValidatorTest.java
 src/test/java/org/openapijsonschematools/schemas/validators/TypeValidatorTest.java

samples/client/petstore/java/src/main/java/org/openapijsonschematools/schemas/AnyTypeSchema.java

@@ -7,7 +7,7 @@
 import java.util.List;
 import java.util.Map;
 
-record AnyTypeSchema() implements Schema {
+public record AnyTypeSchema() implements Schema {
     public static AnyTypeSchema withDefaults() {
         return new AnyTypeSchema();
     }
@@ -48,11 +48,11 @@ public static String validate(LocalDate arg, SchemaConfiguration configuration)
         return Schema.validate(AnyTypeSchema.class, arg, configuration);
     }
 
-    public static <T extends Map> T validate(T arg, SchemaConfiguration configuration) {
+    public static <T extends FrozenMap> T validate(Map<String, Object> arg, SchemaConfiguration configuration) {
         return Schema.validate(AnyTypeSchema.class, arg, configuration);
     }
 
-    public static <U extends List> U validate(U arg, SchemaConfiguration configuration) {
+    public static <U extends List> U validate(List<Object> arg, SchemaConfiguration configuration) {
         return Schema.validate(AnyTypeSchema.class, arg, configuration);
     }
 }

samples/client/petstore/java/src/main/java/org/openapijsonschematools/schemas/BooleanSchema.java

@@ -4,7 +4,7 @@
 
 import java.util.LinkedHashSet;
 
-record BooleanSchema(LinkedHashSet<Class<?>> type) implements Schema {
+public record BooleanSchema(LinkedHashSet<Class<?>> type) implements Schema {
     public static BooleanSchema withDefaults() {
         LinkedHashSet<Class<?>> type = new LinkedHashSet<>();
         type.add(Boolean.class);

samples/client/petstore/java/src/main/java/org/openapijsonschematools/schemas/DateSchema.java

@@ -5,7 +5,7 @@
 import java.util.LinkedHashSet;
 import java.time.LocalDate;
 
-record DateSchema(LinkedHashSet<Class<?>> type, String format) implements Schema {
+public record DateSchema(LinkedHashSet<Class<?>> type, String format) implements Schema {
     public static DateSchema withDefaults() {
         LinkedHashSet<Class<?>> type = new LinkedHashSet<>();
         type.add(String.class);

samples/client/petstore/java/src/main/java/org/openapijsonschematools/schemas/DateTimeSchema.java

@@ -5,7 +5,7 @@
 import java.util.LinkedHashSet;
 import java.time.ZonedDateTime;
 
-record DateTimeSchema(LinkedHashSet<Class<?>> type, String format) implements Schema {
+public record DateTimeSchema(LinkedHashSet<Class<?>> type, String format) implements Schema {
     public static DateTimeSchema withDefaults() {
         LinkedHashSet<Class<?>> type = new LinkedHashSet<>();
         type.add(String.class);

samples/client/petstore/java/src/main/java/org/openapijsonschematools/schemas/DecimalSchema.java

@@ -4,7 +4,7 @@
 
 import java.util.LinkedHashSet;
 
-record DecimalSchema(LinkedHashSet<Class<?>> type, String format) implements Schema {
+public record DecimalSchema(LinkedHashSet<Class<?>> type, String format) implements Schema {
     public static DecimalSchema withDefaults() {
         LinkedHashSet<Class<?>> type = new LinkedHashSet<>();
         type.add(String.class);

samples/client/petstore/java/src/main/java/org/openapijsonschematools/schemas/DoubleSchema.java

@@ -5,7 +5,7 @@
 import java.util.LinkedHashSet;
 import java.math.BigDecimal;
 
-record DoubleSchema(LinkedHashSet<Class<?>> type, String format) implements Schema {
+public record DoubleSchema(LinkedHashSet<Class<?>> type, String format) implements Schema {
     public static DoubleSchema withDefaults() {
         LinkedHashSet<Class<?>> type = new LinkedHashSet<>();
         type.add(BigDecimal.class);

samples/client/petstore/java/src/main/java/org/openapijsonschematools/schemas/FloatSchema.java

@@ -5,7 +5,7 @@
 import java.util.LinkedHashSet;
 import java.math.BigDecimal;
 
-record FloatSchema(LinkedHashSet<Class<?>> type, String format) implements Schema {
+public record FloatSchema(LinkedHashSet<Class<?>> type, String format) implements Schema {
     public static FloatSchema withDefaults() {
         LinkedHashSet<Class<?>> type = new LinkedHashSet<>();
         type.add(BigDecimal.class);

samples/client/petstore/java/src/main/java/org/openapijsonschematools/schemas/FrozenMap.java

@@ -0,0 +1,78 @@
+package org.openapijsonschematools.schemas;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+public class FrozenMap<K, V> extends LinkedHashMap<K, V> {
+    /*
+    A frozen Map
+    Once schema validation has been run, written accessor methods return values of the correct type
+    If values were mutable, the types in those methods would not agree with returned values
+     */
+    public FrozenMap(Map<? extends K, ? extends V> m) {
+        super(m);
+    }
+
+    public V put(K key, V value) {
+        throw new UnsupportedOperationException();
+    }
+    public V remove(Object key) {
+        throw new UnsupportedOperationException();
+    }
+    public void putAll(Map<? extends K, ? extends V> m) {
+        throw new UnsupportedOperationException();
+    }
+    public void clear() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void replaceAll(BiFunction<? super K, ? super V, ? extends V> function) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public V putIfAbsent(K key, V value) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public boolean remove(Object key, Object value) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public boolean replace(K key, V oldValue, V newValue) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public V replace(K key, V value) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public V computeIfAbsent(K key, Function<? super K, ? extends V> mappingFunction) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public V computeIfPresent(K key,
+                              BiFunction<? super K, ? super V, ? extends V> remappingFunction) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public V compute(K key,
+                     BiFunction<? super K, ? super V, ? extends V> remappingFunction) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public V merge(K key, V value,
+                   BiFunction<? super V, ? super V, ? extends V> remappingFunction) {
+        throw new UnsupportedOperationException();
+    }
+}

samples/client/petstore/java/src/main/java/org/openapijsonschematools/schemas/Int32Schema.java

@@ -5,7 +5,7 @@
 import java.util.LinkedHashSet;
 import java.math.BigDecimal;
 
-record Int32Schema(LinkedHashSet<Class<?>> type, String format) implements Schema {
+public record Int32Schema(LinkedHashSet<Class<?>> type, String format) implements Schema {
     public static Int32Schema withDefaults() {
         LinkedHashSet<Class<?>> type = new LinkedHashSet<>();
         type.add(BigDecimal.class);