Changeset 6221 in josm for trunk/src/org/openstreetmap/josm/tools/Utils.java

Timestamp:

2013-09-07T17:52:27+02:00 (13 years ago)

Author:

Don-vip

Message:

Make some defensive copies of user-supplied arrays, move QuadStateCheckBox to widgets package, javadoc

File:

• trunk/src/org/openstreetmap/josm/tools/Utils.java (modified) (2 diffs)

trunk/src/org/openstreetmap/josm/tools/Utils.java

@@ -30 +30 @@
 import java.util.AbstractList;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Iterator;
@@ -241 +242 @@
     }
 
+    /**
+     * Copies the given array. Unlike {@link Arrays#copyOf}, this method is null-safe.
+     * @param array The array to copy
+     * @return A copy of the original array, or {@code null} if {@code array} is null
+     * @since 6221
+     */
+    public static <T> T[] copyArray(T[] array) {
+        if (array != null) {
+            return Arrays.copyOf(array, array.length);
+        }
+        return null;
+    }
+    
     /**
      * Simple file copy function that will overwrite the target file.<br/>