fix(logback): restrict recursive logger suppression to Rollbar package (#376)

* fix(logback): restrict recursive logger suppression to Rollbar package

* fix(logback): restrict recursive logger suppression to Rollbar package

* fix(logback): remove hidden Unicode characters

* fix(logback): remove duplicate logger boundary check block

Author: Montana

rollbar-logback/src/main/java/com/rollbar/logback/RollbarAppender.java

@@ -110,7 +110,7 @@ public String provide() {
 
   @Override
   protected void append(ILoggingEvent event) {
-    if (event.getLoggerName() != null && event.getLoggerName().startsWith(PACKAGE_NAME)) {
+    if (isRollbarLogger(event.getLoggerName())) {
       addWarn("Recursive logging");
       return;
     }
@@ -124,6 +124,15 @@ protected void append(ILoggingEvent event) {
 
   }
 
+  private static boolean isRollbarLogger(String loggerName) {
+    if (loggerName == null) {
+      return false;
+    }
+
+    return PACKAGE_NAME.equals(loggerName)
+        || loggerName.startsWith(PACKAGE_NAME + ".");
+  }
+
   @Override
   public void stop() {
     super.stop();