Changeset 11553 in josm for trunk/src/org/openstreetmap/josm/gui/util

Timestamp:

2017-02-12T16:32:18+01:00 (8 years ago)

Author:

Don-vip

Message:

refactor handling of null values - use Java 8 Optional where possible

File:

• trunk/src/org/openstreetmap/josm/gui/util/CursorManager.java (modified) (2 diffs)

trunk/src/org/openstreetmap/josm/gui/util/CursorManager.java

@@ -6 +6 @@
 import java.util.Iterator;
 import java.util.LinkedHashMap;
+import java.util.Objects;
 import java.util.concurrent.CopyOnWriteArrayList;
 
@@ -50 +51 @@
      */
     public synchronized void setNewCursor(Cursor cursor, Object reference) {
-        if (reference == null) {
-            throw new NullPointerException("Cannot register a cursor that can never be removed.");
-        }
+        Objects.requireNonNull(reference, "Cannot register a cursor that can never be removed.");
         // re-insert to allow overriding.
         cursors.remove(reference);