From b31c5a4b4ccb835a583efa33cee178e122d564de Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 19 Feb 2017 18:16:52 +0000
Subject: Handle hyperlinks created with complex fields

---
 .../java/org/zwobble/mammoth/internal/util/Iterables.java  | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/main/java/org/zwobble/mammoth/internal/util/Iterables.java')

diff --git a/src/main/java/org/zwobble/mammoth/internal/util/Iterables.java b/src/main/java/org/zwobble/mammoth/internal/util/Iterables.java
index 88e906e..85fdaee 100644
--- a/src/main/java/org/zwobble/mammoth/internal/util/Iterables.java
+++ b/src/main/java/org/zwobble/mammoth/internal/util/Iterables.java
@@ -54,6 +54,20 @@ public class Iterables {
         }
     }
 
+    public static <T> Optional<T> tryGetLast(Iterable<? extends T> iterable) {
+        Iterator<? extends T> iterator = iterable.iterator();
+        if (!iterator.hasNext()) {
+            return Optional.empty();
+        }
+
+        while (true) {
+            T last = iterator.next();
+            if (!iterator.hasNext()) {
+                return Optional.of(last);
+            }
+        }
+    }
+
     public static <T, R> Iterable<R> lazyFlatMap(Iterable<T> iterable, Function<T, Iterable<R>> function) {
         return lazyFlatten(lazyMap(iterable, function));
     }
-- 
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