Refactoring: Validation Groups, v3 and v4 Required support, Chaining of processors

.gitignore

@@ -20,3 +20,4 @@ target
 *.ipr
 *.iws
 .idea
+/bin/

pom.xml

@@ -8,10 +8,10 @@
   <groupId>com.fasterxml.jackson.module</groupId>
   <artifactId>jackson-module-jsonSchema</artifactId>
   <name>jackson-module-jsonSchema</name>
-  <version>2.9.3-SNAPSHOT</version>
+  <version>4.0.0-SNAPSHOT</version>
   <packaging>bundle</packaging>
   <description>Add-on module for Jackson (http://jackson.codehaus.org) to support
-JSON Schema (http://tools.ietf.org/html/draft-zyp-json-schema-03) version 3 generation.
+JSON Schema http://json-schema.org/ Currently v3 and start of v4 support.
   </description>
   <url>https://github.com/FasterXML/jackson-module-jsonSchema</url>
   <scm>
@@ -49,15 +49,32 @@ JSON Schema (http://tools.ietf.org/html/draft-zyp-json-schema-03) version 3 gene
     <dependency>
       <groupId>javax.validation</groupId>
       <artifactId>validation-api</artifactId>
-      <version>1.1.0.Final</version>
+      <version>2.0.0.Final</version>
+    </dependency>
+    <dependency>
+      <groupId>org.hibernate</groupId>
+      <artifactId>hibernate-validator</artifactId>
+      <version>6.0.4.Final</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+   <groupId>org.glassfish</groupId>
+     <artifactId>javax.el</artifactId>
+     <version>3.0.1-b08</version>
+     <scope>provided</scope>
     </dependency>
 
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <scope>test</scope>
     </dependency>
-
+    <dependency>
+      <groupId>org.hamcrest</groupId>
+      <artifactId>hamcrest-all</artifactId>
+      <version>1.3</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
   <build>
     <plugins>

src/main/java/com/fasterxml/jackson/module/jsonSchema/JsonSchema.java

@@ -1,12 +1,27 @@
 package com.fasterxml.jackson.module.jsonSchema;
 
-import com.fasterxml.jackson.annotation.*;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.annotation.JsonTypeInfo.As;
 import com.fasterxml.jackson.annotation.JsonTypeInfo.Id;
 import com.fasterxml.jackson.databind.BeanProperty;
 import com.fasterxml.jackson.databind.annotation.JsonTypeIdResolver;
 import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatTypes;
-import com.fasterxml.jackson.module.jsonSchema.types.*;
+import com.fasterxml.jackson.module.jsonSchema.factories.WrapperFactory.JsonSchemaVersion;
+import com.fasterxml.jackson.module.jsonSchema.types.AnySchema;
+import com.fasterxml.jackson.module.jsonSchema.types.ArraySchema;
+import com.fasterxml.jackson.module.jsonSchema.types.BooleanSchema;
+import com.fasterxml.jackson.module.jsonSchema.types.ContainerTypeSchema;
+import com.fasterxml.jackson.module.jsonSchema.types.IntegerSchema;
+import com.fasterxml.jackson.module.jsonSchema.types.NullSchema;
+import com.fasterxml.jackson.module.jsonSchema.types.NumberSchema;
+import com.fasterxml.jackson.module.jsonSchema.types.ObjectSchema;
+import com.fasterxml.jackson.module.jsonSchema.types.SimpleTypeSchema;
+import com.fasterxml.jackson.module.jsonSchema.types.StringSchema;
+import com.fasterxml.jackson.module.jsonSchema.types.UnionTypeSchema;
+import com.fasterxml.jackson.module.jsonSchema.types.ValueTypeSchema;
 
 /**
  * The type wraps the json schema specification at :
@@ -33,7 +48,7 @@
  * 	    "id":{
  * 	      "type":"number",
  * 	      "description":"Product identifier",
- * 	      "required":true
+ * 	      "required":true  
  * 	    },
  * 	    "name":{
  * 	      "description":"Name of the product",
@@ -73,6 +88,21 @@
 @JsonTypeIdResolver(JsonSchemaIdResolver.class)
 public abstract class JsonSchema
 {
+    @JsonIgnore
+    protected JsonSchemaVersion version;
+
+    protected JsonSchema() {
+        //jackson deserialization only
+    }
+
+    protected JsonSchema(JsonSchemaVersion version) {
+        this.version = version;
+    }
+
+    protected JsonSchema(JsonSchemaVersion version, boolean set$Schema) {
+        this.version = version;
+    }
+
     /**
      * This attribute defines the current URI of this schema (this attribute is
      * effectively a "self" link). This URI MAY be relative or absolute. If the
@@ -141,12 +171,16 @@ public abstract class JsonSchema
 	 */
 	private JsonSchema[] extendsextends;
 
-	/**
-	 * This attribute indicates if the instance must have a value, and not be
-	 * undefined. This is false by default, making the instance optional.
-	 */
-	@JsonProperty
-	private Boolean required = null;
+    /**
+     * This attribute indicates if the instance must have a value, and not be
+     * undefined. This is false by default, making the instance optional.
+     * Available in Draft V3 spec ONLY.
+     * 
+     * @deprecated Since 2.9 - Use setRequired on ObjectSchema from Draft V4 onwards.
+     */
+    @Deprecated
+	@JsonProperty("required")
+	private Boolean requiredBoolean = null;
 
     /**
      * This attribute indicates if the instance is not modifiable.
@@ -161,8 +195,6 @@ public abstract class JsonSchema
      */
     private String description;
 
-    protected JsonSchema() { }
-
     /**
 	 * Attempt to return this JsonSchema as an {@link AnySchema}
 	 * @return this as an AnySchema if possible, or null otherwise
@@ -279,7 +311,11 @@ public ValueTypeSchema asValueTypeSchema() {
 		return null;
 	}
 
-     public String getId() {
+    public JsonSchemaVersion getVersion() {
+        return version;
+    }
+
+    public String getId() {
          return id;
      }
 
@@ -299,8 +335,8 @@ public JsonSchema[] getExtends() {
 		return extendsextends;
 	}
 
-	public Boolean getRequired() {
-		return required;
+	public Boolean getRequiredBoolean() {
+		return requiredBoolean;
 	}
 
     public Boolean getReadonly() {
@@ -441,6 +477,9 @@ public boolean isValueTypeSchema() {
 
 	public void set$schema(String $schema) {
 		this.$schema = $schema;
+        if (version == null) {
+            this.version = JsonSchemaVersion.fromSchemaString($schema).orElse(null);
+        }
 	}
 
 	public void setDisallow(JsonSchema[] disallow) {
@@ -455,8 +494,11 @@ public void setId(String id) {
 		this.id = id;
 	}
 
-	public void setRequired(Boolean required) {
-		this.required = required;
+	public void setRequiredBoolean(Boolean requiredBoolean) {
+        if (!JsonSchemaVersion.DRAFT_V3.equals(version)) {
+            throw new RuntimeException("You can only set the required boolean on Draft V3.  You have: " + version);
+        }
+		this.requiredBoolean = requiredBoolean;
 	}
 
     public void setReadonly(Boolean readonly){
@@ -478,33 +520,34 @@ public void enrichWithBeanProperty(BeanProperty beanProperty) {
 	}
 
 	/**
-	 * Create a schema which verifies only that an object is of the given format.
-	 * @param format the format to expect
-	 * @return the schema verifying the given format
-	 */
-	public static JsonSchema minimalForFormat(JsonFormatTypes format)
+     * Create a schema which verifies only that an object is of the given format.
+     * @param jsonVersion 
+     * @param format the format to expect
+     * @return the schema verifying the given format
+     */
+    public static JsonSchema minimalForFormat(JsonSchemaVersion jsonVersion, JsonFormatTypes format)
 	{
 	    if (format != null) {
 	        switch (format) {
         		case ARRAY:
-        			return new ArraySchema();
+                    return new ArraySchema(jsonVersion);
         		case OBJECT:
-        			return new ObjectSchema();
+                    return new ObjectSchema(jsonVersion);
         		case BOOLEAN:
-        			return new BooleanSchema();
+                    return new BooleanSchema(jsonVersion);
         		case INTEGER:
-        			return new IntegerSchema();
+                    return new IntegerSchema(jsonVersion);
         		case NUMBER:
-        			return new NumberSchema();
+                    return new NumberSchema(jsonVersion);
         		case STRING:
-        			return new StringSchema();
+                    return new StringSchema(jsonVersion);
         		case NULL:
-        			return new NullSchema();
+                    return new NullSchema(jsonVersion);
         		case ANY:
         		default:
 		    }
 	    }
-	    return new AnySchema();
+        return new AnySchema(jsonVersion);
 	}
 
 	@Override
@@ -522,7 +565,7 @@ protected boolean _equals(JsonSchema that)
 
                  // 27-Apr-2015, tatu: Should not need to check type explicitly
  //                 && equals(getType(), getType())
-                 && equals(getRequired(), that.getRequired())
+            && ((JsonSchemaVersion.DRAFT_V3.equals(version)) ? equals(getRequiredBoolean(), that.getRequiredBoolean()) : true)
                  && equals(getReadonly(), that.getReadonly())
                  && equals(get$ref(), that.get$ref())
                  && equals(get$schema(), that.get$schema())

src/main/java/com/fasterxml/jackson/module/jsonSchema/annotation/JsonSchemaTitle.java

@@ -0,0 +1,13 @@
+package com.fasterxml.jackson.module.jsonSchema.annotation;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+@Target({ METHOD, FIELD, PARAMETER, TYPE })
+@Retention(RUNTIME)
+public @interface JsonSchemaTitle {
+    String value();
+}

src/main/java/com/fasterxml/jackson/module/jsonSchema/customProperties/HyperSchemaFactoryWrapper.java

@@ -9,7 +9,12 @@
 import com.fasterxml.jackson.module.jsonSchema.JsonSchema;
 import com.fasterxml.jackson.module.jsonSchema.annotation.JsonHyperSchema;
 import com.fasterxml.jackson.module.jsonSchema.annotation.Link;
-import com.fasterxml.jackson.module.jsonSchema.factories.*;
+import com.fasterxml.jackson.module.jsonSchema.factories.ArrayVisitor;
+import com.fasterxml.jackson.module.jsonSchema.factories.ObjectVisitor;
+import com.fasterxml.jackson.module.jsonSchema.factories.SchemaFactoryWrapper;
+import com.fasterxml.jackson.module.jsonSchema.factories.VisitorContext;
+import com.fasterxml.jackson.module.jsonSchema.factories.WrapperFactory;
+import com.fasterxml.jackson.module.jsonSchema.factories.WrapperFactory.JsonSchemaVersion;
 import com.fasterxml.jackson.module.jsonSchema.types.LinkDescriptionObject;
 import com.fasterxml.jackson.module.jsonSchema.types.ReferenceSchema;
 import com.fasterxml.jackson.module.jsonSchema.types.SimpleTypeSchema;
@@ -23,27 +28,37 @@
 public class HyperSchemaFactoryWrapper extends SchemaFactoryWrapper {
 
     private boolean ignoreDefaults = true;
+    private JsonSchemaVersion version;
 
     private static class HyperSchemaFactoryWrapperFactory extends WrapperFactory {
+        public HyperSchemaFactoryWrapperFactory(JsonSchemaVersion version) {
+            super(version);
+        }
+
         @Override
         public SchemaFactoryWrapper getWrapper(SerializerProvider p) {
-            return new HyperSchemaFactoryWrapper(p);
+            HyperSchemaFactoryWrapper hsfw = new HyperSchemaFactoryWrapper();
+            hsfw.setProvider(p);
+            return hsfw;
         };
 
         @Override
         public SchemaFactoryWrapper getWrapper(SerializerProvider p, VisitorContext rvc)
         {
-            return new HyperSchemaFactoryWrapper(p)
-                .setVisitorContext(rvc);
+            HyperSchemaFactoryWrapper hsfw = new HyperSchemaFactoryWrapper();
+            hsfw.setVisitorContext(rvc);
+            hsfw.setProvider(p);
+            return hsfw;
         }
     };
 
     public HyperSchemaFactoryWrapper() {
-        super(new HyperSchemaFactoryWrapperFactory());
+        this(JsonSchemaVersion.DRAFT_V3);
     }
 
-    public HyperSchemaFactoryWrapper(SerializerProvider p) {
-        super(p, new HyperSchemaFactoryWrapperFactory());
+    public HyperSchemaFactoryWrapper(JsonSchemaVersion version) {
+        super(new HyperSchemaFactoryWrapperFactory(version));
+        this.version = version;
     }
 
     @Override
@@ -112,7 +127,7 @@ private JsonSchema fetchSchema(Class<?> targetSchema) {
                 if (visitorContext != null) {
                     String seenSchemaUri = visitorContext.getSeenSchemaUri(targetType);
                     if (seenSchemaUri != null) {
-                        return new ReferenceSchema(seenSchemaUri);
+                        return new ReferenceSchema(version, seenSchemaUri);
                     }
                 }
                 HyperSchemaFactoryWrapper targetVisitor = new HyperSchemaFactoryWrapper();