added a test and handler for correctly handling confkey: lombok.delegate.flagUsage.

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

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2014 The Project Lombok Authors.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok.eclipse.handlers;
+
+import static lombok.core.handlers.HandlerUtil.handleExperimentalFlagUsage;
+import lombok.ConfigurationKeys;
+import lombok.core.AnnotationValues;
+import lombok.eclipse.EclipseAnnotationHandler;
+import lombok.eclipse.EclipseNode;
+import lombok.experimental.Delegate;
+
+import org.eclipse.jdt.internal.compiler.ast.Annotation;
+import org.mangosdk.spi.ProviderFor;
+
+/**
+ * This class just handles basic error cases. The real meat of eclipse '@Delegate' support is in {@code PatchDelegate}.
+ */
+@ProviderFor(EclipseAnnotationHandler.class)
+public class HandleDelegate extends EclipseAnnotationHandler<Delegate> {
+	public void handle(AnnotationValues<Delegate> annotation, Annotation ast, EclipseNode annotationNode) {
+		handleExperimentalFlagUsage(annotationNode, ConfigurationKeys.DELEGATE_FLAG_USAGE, "@Delegate");
+	}
+}

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

@@ -103,7 +103,7 @@ public class HandleDelegate extends JavacAnnotationHandler<Delegate> {
 
 	
 	@Override public void handle(AnnotationValues<Delegate> annotation, JCAnnotation ast, JavacNode annotationNode) {
-		handleFlagUsage(annotationNode, ConfigurationKeys.DELEGATE_FLAG_USAGE, "@Delegate");
+		handleExperimentalFlagUsage(annotationNode, ConfigurationKeys.DELEGATE_FLAG_USAGE, "@Delegate");
 		
 		@SuppressWarnings("deprecation") Class<? extends Annotation> oldDelegate = lombok.Delegate.class;
 		deleteAnnotationIfNeccessary(annotationNode, Delegate.class, oldDelegate);

test/transform/resource/before/DelegateFlagUsage.java

@@ -0,0 +1,5 @@
+//conf: lombok.delegate.flagUsage = warning
+//skip compare content: We're just checking if the flagUsage key works.
+public class DelegateFlagUsage {
+	@lombok.experimental.Delegate Runnable r = null;
+}

test/transform/resource/messages-delombok/DelegateFlagUsage.java.messages

@@ -0,0 +1 @@
+4 Use of @Delegate is flagged according to lombok configuration.

test/transform/resource/messages-ecj/DelegateFlagUsage.java.messages

@@ -0,0 +1 @@
+4 Use of @Delegate is flagged according to lombok configuration.