1 files changed, 37 insertions, 0 deletions
diff --git a/core/src/com/google/inject/internal/util/Nullable.java b/core/src/com/google/inject/internal/util/Nullable.java
new file mode 100644
index 00000000..3236c07c
--- /dev/null
+++ b/core/src/com/google/inject/internal/util/Nullable.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2007 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.inject.internal.util;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The presence of this annotation on a method parameter indicates that
+ * {@code null} is an acceptable value for that parameter.  It should not be
+ * used for parameters of primitive types.
+ * 
+ * <p>This annotation may be used with the Google Web Toolkit (GWT).
+ * 
+ * @author Kevin Bourrillion
+ */
+@Documented
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.PARAMETER, ElementType.FIELD})
+public @interface Nullable { }