Incremental annotation processor

build.gradle

@@ -115,5 +115,5 @@ subprojects {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '2.9'
+    gradleVersion = '4.8.1'
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Sat Nov 28 17:57:26 CST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.9-bin.zip

processor/src/main/java/com/bluelinelabs/logansquare/processor/JsonObjectHolder.java

@@ -12,6 +12,7 @@
 import java.util.Map;
 import java.util.TreeMap;
 
+import javax.lang.model.element.Element;
 import javax.lang.model.element.TypeParameterElement;
 
 public class JsonObjectHolder {
@@ -23,6 +24,7 @@ public class JsonObjectHolder {
     public final TypeName parentTypeName;
     public final List<? extends TypeParameterElement> parentTypeParameters;
     public final List<String> parentUsedTypeParameters;
+    public final Element enclosingElement;
     public final FieldDetectionPolicy fieldDetectionPolicy;
     public final FieldNamingPolicy fieldNamingPolicy;
     public final boolean serializeNullObjects;
@@ -64,6 +66,7 @@ private JsonObjectHolder(JsonObjectHolderBuilder builder) {
         parentTypeName = builder.parentTypeName;
         parentTypeParameters = builder.parentTypeParameters;
         parentUsedTypeParameters = builder.parentUsedTypeParameters;
+        enclosingElement = builder.enclosingElement;
         fieldDetectionPolicy = builder.fieldDetectionPolicy;
         fieldNamingPolicy = builder.fieldNamingPolicy;
         serializeNullObjects = builder.serializeNullObjects;
@@ -79,6 +82,7 @@ public static class JsonObjectHolderBuilder {
         private TypeName parentTypeName;
         private List<? extends TypeParameterElement> parentTypeParameters;
         private List<String> parentUsedTypeParameters;
+        private Element enclosingElement;
         private FieldDetectionPolicy fieldDetectionPolicy;
         private FieldNamingPolicy fieldNamingPolicy;
         private boolean serializeNullObjects;
@@ -120,6 +124,11 @@ public JsonObjectHolderBuilder setParentUsedTypeParameters(List<String> parentUs
             return this;
         }
 
+        public JsonObjectHolderBuilder setEnclosingElement(Element enclosingElement) {
+            this.enclosingElement = enclosingElement;
+            return this;
+        }
+
         public JsonObjectHolderBuilder setFieldDetectionPolicy(FieldDetectionPolicy fieldDetectionPolicy) {
             this.fieldDetectionPolicy = fieldDetectionPolicy;
             return this;

processor/src/main/java/com/bluelinelabs/logansquare/processor/ObjectMapperInjector.java

@@ -57,6 +57,8 @@ public String getJavaClassFile() {
     private TypeSpec getTypeSpec() {
         TypeSpec.Builder builder = TypeSpec.classBuilder(mJsonObjectHolder.injectedClassName).addModifiers(Modifier.PUBLIC, Modifier.FINAL);
 
+        builder.addOriginatingElement(mJsonObjectHolder.enclosingElement);
+
         builder.addAnnotation(AnnotationSpec.builder(SuppressWarnings.class).addMember("value", "\"unsafe,unchecked\"").build());
 
         builder.superclass(ParameterizedTypeName.get(ClassName.get(JsonMapper.class), mJsonObjectHolder.objectTypeName));

processor/src/main/java/com/bluelinelabs/logansquare/processor/processor/JsonObjectProcessor.java

@@ -77,6 +77,7 @@ private void processJsonObjectAnnotation(Element element, Map<String, JsonObject
             List<? extends TypeParameterElement> parentTypeParameters = new ArrayList<>();
             List<String> parentUsedTypeParameters = new ArrayList<>();
             TypeName parentClassName = null;
+            Element enclosingElement = element.getEnclosingElement();
 
             TypeMirror superclass = typeElement.getSuperclass();
             if (superclass.getKind() != TypeKind.NONE) {
@@ -116,6 +117,7 @@ private void processJsonObjectAnnotation(Element element, Map<String, JsonObject
                     .setParentTypeName(parentClassName)
                     .setParentTypeParameters(parentTypeParameters)
                     .setParentUsedTypeParameters(parentUsedTypeParameters)
+                    .setEnclosingElement(enclosingElement)
                     .setFieldDetectionPolicy(annotation.fieldDetectionPolicy())
                     .setFieldNamingPolicy(annotation.fieldNamingPolicy())
                     .setSerializeNullObjects(annotation.serializeNullObjects())

processor/src/main/resources/META-INF/gradle/incremental.annotation.processors

@@ -0,0 +1 @@
+com.bluelinelabs.logansquare.processor.JsonAnnotationProcessor,aggregating