Remove more usages of Guava

2 files changed, 13 insertions, 2 deletions

diff --git a/src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java b/src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java
index 0280ac9..b9fd029 100644
--- a/src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java
+++ b/src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java
@@ -30,6 +30,15 @@ public class MammothIterables {
         };
     }
 
+    public static <T> T getFirst(Iterable<? extends T> iterable, T defaultValue) {
+        Iterator<? extends T> iterator = iterable.iterator();
+        if (iterator.hasNext()) {
+            return iterator.next();
+        } else {
+            return defaultValue;
+        }
+    }
+
     private static <T, R> Iterator<R> map(Iterator<T> iterator, Function<T, R> function) {
         return new Iterator<R>() {
             @Override
diff --git a/src/main/java/org/zwobble/mammoth/internal/xml/XmlElement.java b/src/main/java/org/zwobble/mammoth/internal/xml/XmlElement.java
index 105d348..f8a94f2 100644
--- a/src/main/java/org/zwobble/mammoth/internal/xml/XmlElement.java
+++ b/src/main/java/org/zwobble/mammoth/internal/xml/XmlElement.java
@@ -6,7 +6,9 @@ import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 
-import static com.google.common.collect.Iterables.*;
+import static com.google.common.collect.Iterables.filter;
+import static org.zwobble.mammoth.internal.util.MammothIterables.getFirst;
+import static org.zwobble.mammoth.internal.util.MammothIterables.lazyMap;
 import static org.zwobble.mammoth.internal.util.MammothMaps.lookup;
 
 public class XmlElement implements XmlNode, XmlElementLike {
@@ -44,7 +46,7 @@ public class XmlElement implements XmlNode, XmlElementLike {
 
     @Override
     public String innerText() {
-        return String.join("", transform(children, XmlNode::innerText));
+        return String.join("", lazyMap(children, XmlNode::innerText));
     }
 
     @Override