Github user MarkDacek commented on a diff in the pull request:
https://github.com/apache/commons-lang/pull/336#discussion_r200857547
--- Diff: src/main/java/org/apache/commons/lang3/ArrayUtils.java ---
@@ -8672,4 +8672,53 @@ public static void shuffle(final double[] array,
final Random random) {
swap(array, i - 1, random.nextInt(i), 1);
}
}
+
+ /**
+ * Gets an element from the array if the array is non-null and
appropriately long, otherwise returns null
+ * @param <T> the component type of the array
+ * @param array the array holding the desired element
+ * @param index the index of the element in the array
+ * @return The element in the array at the index, or null if it is
ill-formatted
+ * @since 3.8
+ */
+ public static <T> T get(T[] array, int index){
+ return get(array, index, null);
+ }
+
+ /**
+ * Gets an element from the array if the array is non-null and
appropriately long, otherwise returns the specified value
+ * @param <T> the component type of the array
+ * @param array the array holding the desired element
+ * @param index the index of the element in the array
+ * @param defaultReturn the object to be returned if the array is null
or shorter than the index
+ * @return The element in the array at the specified index, or the
given argument if it is ill-formatted
+ * @since 3.8
+ */
+ public static <T> T get(T[] array, int index, T defaultReturn){
+ if(getLength(array) == 0 || array.length <= index){
+ return defaultReturn;
+ }
+
+ if(index < 0 ){
+ index = 0;
+ }
+
+ return array[index];
+ }
+
+ /**
+ * Gets an element from the array if the array is non-null and
appropriately long, otherwise returns the specified value
--- End diff --
Sorry, mistaken copy-paste there. Feel free to use this as a tutorial for
how NOT to contribute.
---
