[fixes #2168] Added JsonSetter as a copyable annotation

src/core/lombok/core/handlers/HandlerUtil.java

@@ -302,6 +302,7 @@ public class HandlerUtil {
 		}));
 		COPY_TO_SETTER_ANNOTATIONS = Collections.unmodifiableList(Arrays.asList(new String[] {
 				"com.fasterxml.jackson.annotation.JsonProperty",
+				"com.fasterxml.jackson.annotation.JsonSetter",
 			}));
 	}
 	

test/stubs/com/fasterxml/jackson/annotation/JsonSetter.java

@@ -0,0 +1,12 @@
+package com.fasterxml.jackson.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.ANNOTATION_TYPE, ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface JsonSetter {
+	Nulls nulls();
+}

test/stubs/com/fasterxml/jackson/annotation/Nulls.java

@@ -0,0 +1,5 @@
+package com.fasterxml.jackson.annotation;
+
+public enum Nulls {
+	SKIP;
+}

test/transform/resource/after-delombok/JacksonJsonProperty.java

@@ -1,6 +1,9 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.annotation.Nulls;
 public class JacksonJsonProperty {
 	@JsonProperty("kebab-case-prop")
+	@JsonSetter(nulls = Nulls.SKIP)
 	public String kebabCaseProp;
 	@java.lang.SuppressWarnings("all")
 	JacksonJsonProperty(final String kebabCaseProp) {
@@ -14,6 +17,7 @@ public class JacksonJsonProperty {
 		JacksonJsonPropertyBuilder() {
 		}
 		@JsonProperty("kebab-case-prop")
+		@JsonSetter(nulls = Nulls.SKIP)
 		@java.lang.SuppressWarnings("all")
 		public JacksonJsonPropertyBuilder kebabCaseProp(final String kebabCaseProp) {
 			this.kebabCaseProp = kebabCaseProp;
@@ -34,6 +38,7 @@ public class JacksonJsonProperty {
 		return new JacksonJsonPropertyBuilder();
 	}
 	@JsonProperty("kebab-case-prop")
+	@JsonSetter(nulls = Nulls.SKIP)
 	@java.lang.SuppressWarnings("all")
 	public void setKebabCaseProp(final String kebabCaseProp) {
 		this.kebabCaseProp = kebabCaseProp;

test/transform/resource/after-ecj/JacksonJsonProperty.java

@@ -1,4 +1,6 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.annotation.Nulls;
 import lombok.Builder;
 import lombok.Setter;
 public @Builder class JacksonJsonProperty {
@@ -7,7 +9,7 @@ public @Builder class JacksonJsonProperty {
     @java.lang.SuppressWarnings("all") JacksonJsonPropertyBuilder() {
       super();
     }
-    public @JsonProperty("kebab-case-prop") @java.lang.SuppressWarnings("all") JacksonJsonPropertyBuilder kebabCaseProp(final String kebabCaseProp) {
+    public @JsonProperty("kebab-case-prop") @JsonSetter(nulls = Nulls.SKIP) @java.lang.SuppressWarnings("all") JacksonJsonPropertyBuilder kebabCaseProp(final String kebabCaseProp) {
       this.kebabCaseProp = kebabCaseProp;
       return this;
     }
@@ -18,7 +20,7 @@ public @Builder class JacksonJsonProperty {
       return (("JacksonJsonProperty.JacksonJsonPropertyBuilder(kebabCaseProp=" + this.kebabCaseProp) + ")");
     }
   }
-  public @JsonProperty("kebab-case-prop") @Setter String kebabCaseProp;
+  public @JsonProperty("kebab-case-prop") @JsonSetter(nulls = Nulls.SKIP) @Setter String kebabCaseProp;
   @java.lang.SuppressWarnings("all") JacksonJsonProperty(final String kebabCaseProp) {
     super();
     this.kebabCaseProp = kebabCaseProp;
@@ -26,7 +28,7 @@ public @Builder class JacksonJsonProperty {
   public static @java.lang.SuppressWarnings("all") JacksonJsonPropertyBuilder builder() {
     return new JacksonJsonPropertyBuilder();
   }
-  public @JsonProperty("kebab-case-prop") @java.lang.SuppressWarnings("all") void setKebabCaseProp(final String kebabCaseProp) {
+  public @JsonProperty("kebab-case-prop") @JsonSetter(nulls = Nulls.SKIP) @java.lang.SuppressWarnings("all") void setKebabCaseProp(final String kebabCaseProp) {
     this.kebabCaseProp = kebabCaseProp;
   }
 }

test/transform/resource/before/JacksonJsonProperty.java

@@ -1,10 +1,13 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.annotation.Nulls;
 import lombok.Builder;
 import lombok.Setter;
 
 @Builder
 public class JacksonJsonProperty {
 	@JsonProperty("kebab-case-prop")
+	@JsonSetter(nulls = Nulls.SKIP)
 	@Setter
 	public String kebabCaseProp;
 }