X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Futils%2FOptionals.java;fp=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Futils%2FOptionals.java;h=67132aa25b16dee56efea2af1e981c289b837ca8;hb=d925df7b6a110eeec00284958903800f60631974;hp=0000000000000000000000000000000000000000;hpb=b9281ba712aac6ea70b7dc217607608ae80b594d;p=Sone.git

diff --git a/src/main/java/net/pterodactylus/sone/utils/Optionals.java b/src/main/java/net/pterodactylus/sone/utils/Optionals.java
new file mode 100644
index 0000000..67132aa
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sone/utils/Optionals.java
@@ -0,0 +1,32 @@
+package net.pterodactylus.sone.utils;
+
+import com.google.common.base.Function;
+import com.google.common.base.Optional;
+import com.google.common.base.Predicate;
+
+/**
+ * Helper methods for dealing with {@link Optional}s.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class Optionals {
+
+	public static Predicate<Optional<?>> isPresent() {
+		return new Predicate<Optional<?>>() {
+			@Override
+			public boolean apply(Optional<?> input) {
+				return input.isPresent();
+			}
+		};
+	}
+
+	public static <T> Function<Optional<T>, T> get() {
+		return new Function<Optional<T>, T>() {
+			@Override
+			public T apply(Optional<T> input) {
+				return input.get();
+			}
+		};
+	}
+
+}