Avatar configuration & move preferences into user panel.

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/util/Utilities.java

@@ -0,0 +1,25 @@
+package com.lyndir.masterpassword.util;
+
+import java.util.function.Consumer;
+import java.util.function.Function;
+import javax.annotation.Nullable;
+
+
+/**
+ * @author lhunath, 2018-07-25
+ */
+public final class Utilities {
+
+    @Nullable
+    public static <T, R> R ifNotNull(@Nullable final T value, final Function<T, R> consumer) {
+        if (value == null)
+            return null;
+
+        return consumer.apply( value );
+    }
+
+    public static <T> void ifNotNullDo(@Nullable final T value, final Consumer<T> consumer) {
+        if (value != null)
+            consumer.accept( value );
+    }
+}

platform-independent/java/algorithm/src/main/java/com/lyndir/masterpassword/util/package-info.java

@@ -0,0 +1,7 @@
+/**
+ * @author lhunath, 2018-07-25
+ */
+@ParametersAreNonnullByDefault
+package com.lyndir.masterpassword.util;
+
+import javax.annotation.ParametersAreNonnullByDefault;