Handler and testcases for @Log4j

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

@@ -181,7 +181,7 @@ public class HandleLog {
 	@ProviderFor(EclipseAnnotationHandler.class)
 	public static class HandleLog4jLog extends EclipseAnnotationHandler<lombok.extern.log4j.Log4j> {
 		@Override public void handle(AnnotationValues<lombok.extern.log4j.Log4j> annotation, Annotation source, EclipseNode annotationNode) {
-			processAnnotation(LoggingFramework.LOG4J, annotation, source, annotationNode, "");
+			processAnnotation(LoggingFramework.LOG4J, annotation, source, annotationNode, annotation.getInstance().value());
 		}
 	}
 	

src/core/lombok/extern/log4j/Log4j.java

@@ -59,4 +59,8 @@ import java.lang.annotation.Target;
 @Retention(RetentionPolicy.SOURCE)
 @Target(ElementType.TYPE)
 public @interface Log4j {
+	/**
+	 * Sets the category of the constructed Logger. By default, it will use the type where the annotation is placed.
+	 */
+	String value() default "";
 }

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

@@ -131,7 +131,7 @@ public class HandleLog {
 	@ProviderFor(JavacAnnotationHandler.class)
 	public static class HandleLog4jLog extends JavacAnnotationHandler<lombok.extern.log4j.Log4j> {
 		@Override public void handle(AnnotationValues<lombok.extern.log4j.Log4j> annotation, JCAnnotation ast, JavacNode annotationNode) {
-			processAnnotation(LoggingFramework.LOG4J, annotation, annotationNode, "");
+			processAnnotation(LoggingFramework.LOG4J, annotation, annotationNode, annotation.getInstance().value());
 		}
 	}
 	

test/transform/resource/after-delombok/LoggerLog4j.java

@@ -5,4 +5,8 @@ class LoggerLog4j {
 class LoggerLog4jWithImport {
 	@java.lang.SuppressWarnings("all")
 	private static final org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger(LoggerLog4jWithImport.class);
+}
+class LoggerLog4jWithDifferentName {
+	@java.lang.SuppressWarnings("all")
+	private static final org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger("DifferentName");
 }

test/transform/resource/after-ecj/LoggerLog4j.java

@@ -14,4 +14,12 @@ import lombok.extern.log4j.Log4j;
   LoggerLog4jWithImport() {
     super();
   }
+}
+@Log4j("DifferentName") class LoggerLog4jWithDifferentName {
+  private static final org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger("DifferentName");
+  <clinit>() {
+  }
+  LoggerLog4jWithDifferentName() {
+    super();
+  }
 }

test/transform/resource/before/LoggerLog4j.java

@@ -6,4 +6,8 @@ class LoggerLog4j {
 
 @Log4j
 class LoggerLog4jWithImport {
+}
+
+@Log4j("DifferentName")
+class LoggerLog4jWithDifferentName {
 }