Moved NonNull's FLAG_USAGE ConfigurationKey definition to ConfigurationKeys to work around bugs with putting fields in annotation declarations in many versions of JDK7 and all of JDK6's versions.

src/core/lombok/ConfigurationKeys.java

@@ -30,6 +30,15 @@ import lombok.core.configuration.ConfigurationKey;
 public class ConfigurationKeys {
 	private ConfigurationKeys() {}
 	
+	/**
+	 * lombok configuration: {@code lombok.NonNull.flagUsage} = {@code WARNING} | {@code ERROR}.
+	 * 
+	 * <em>Implementation note: This field is supposed to be lombok.NonNull itself, but jdk6 and 7 have bugs where fields in annotations don't work well.</em>
+	 * 
+	 * If set, <em>any</em> usage of {@code @NonNull} results in a warning / error.
+	 */
+	public static final ConfigurationKey<FlagUsageType> NON_NULL_FLAG_USAGE = new ConfigurationKey<FlagUsageType>("lombok.NonNull.flagUsage") {};
+	
 	/**
 	 * lombok configuration: {@code lombok.AnyConstructor.flagUsage} = {@code WARNING} | {@code ERROR}.
 	 * 

src/core/lombok/NonNull.java

@@ -27,9 +27,6 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import lombok.core.FlagUsageType;
-import lombok.core.configuration.ConfigurationKey;
-
 /**
  * If put on a parameter, lombok will insert a null-check at the start of the method / constructor's body, throwing a
  * {@code NullPointerException} with the parameter's name as message. If put on a field, any generated method assigning
@@ -48,17 +45,4 @@ import lombok.core.configuration.ConfigurationKey;
 @Retention(RetentionPolicy.CLASS)
 @Documented
 public @interface NonNull {
-	/**
-	 * lombok configuration: {@code lombok.NonNull.flagUsage} = {@code WARNING} | {@code ERROR}.
-	 * 
-	 * If set, <em>any</em> usage of {@code @NonNull} results in a warning / error.
-	 */
-	ConfigurationKey<FlagUsageType> FLAG_USAGE = new ConfigurationKey<FlagUsageType>("lombok.NonNull.flagUsage") {};
-	
-	/**
-	 * lombok configuration: {@code lombok.NonNull.noNullChecks} = {@code true} | {@code false}.
-	 * 
-	 * If set, the lombok feature of generating a null-checking if statement for all parameters annotated with {@code @NonNull} is disabled.
-	 */
-	ConfigurationKey<Boolean> NO_NULL_CHECKS = new ConfigurationKey<Boolean>("lombok.NonNull.noNullChecks") {};
 }

src/core/lombok/eclipse/handlers/HandleNonNull.java

@@ -27,6 +27,7 @@ import static lombok.eclipse.handlers.EclipseHandlerUtil.*;
 
 import java.util.Arrays;
 
+import lombok.ConfigurationKeys;
 import lombok.NonNull;
 import lombok.core.AST.Kind;
 import lombok.core.AnnotationValues;
@@ -58,7 +59,7 @@ import org.mangosdk.spi.ProviderFor;
 @HandlerPriority(value = 512) // 2^9; onParameter=@__(@NonNull) has to run first.
 public class HandleNonNull extends EclipseAnnotationHandler<NonNull> {
 	@Override public void handle(AnnotationValues<NonNull> annotation, Annotation ast, EclipseNode annotationNode) {
-		handleFlagUsage(annotationNode, NonNull.FLAG_USAGE, "@NonNull");
+		handleFlagUsage(annotationNode, ConfigurationKeys.NON_NULL_FLAG_USAGE, "@NonNull");
 		
 		if (annotationNode.up().getKind() == Kind.FIELD) {
 			// This is meaningless unless the field is used to generate a method (@Setter, @RequiredArgsConstructor, etc),

src/core/lombok/javac/handlers/HandleNonNull.java

@@ -43,6 +43,7 @@ import com.sun.tools.javac.tree.JCTree.JCTry;
 import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
 import com.sun.tools.javac.util.List;
 
+import lombok.ConfigurationKeys;
 import lombok.NonNull;
 import lombok.core.AnnotationValues;
 import lombok.core.HandlerPriority;
@@ -56,7 +57,7 @@ import static lombok.javac.JavacTreeMaker.TreeTag.*;
 @HandlerPriority(value = 512) // 2^9; onParameter=@__(@NonNull) has to run first.
 public class HandleNonNull extends JavacAnnotationHandler<NonNull> {
 	@Override public void handle(AnnotationValues<NonNull> annotation, JCAnnotation ast, JavacNode annotationNode) {
-		handleFlagUsage(annotationNode, NonNull.FLAG_USAGE, "@NonNull");
+		handleFlagUsage(annotationNode, ConfigurationKeys.NON_NULL_FLAG_USAGE, "@NonNull");
 		
 		if (annotationNode.up().getKind() == Kind.FIELD) {
 			// This is meaningless unless the field is used to generate a method (@Setter, @RequiredArgsConstructor, etc),