Move gson to its own folder

[unical.git] / gson / com / google / gson / internal / $Gson$Preconditions.java

diff --git a/gson/com/google/gson/internal/$Gson$Preconditions.java b/gson/com/google/gson/internal/$Gson$Preconditions.java
new file mode 100644 (file)
index 0000000..ccc0390
--- /dev/null
+++ b/gson/com/google/gson/internal/$Gson$Preconditions.java
@@ -0,0 +1,45 @@
+/*\r
+ * Copyright (C) 2008 Google Inc.\r
+ *\r
+ * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * you may not use this file except in compliance with the License.\r
+ * You may obtain a copy of the License at\r
+ *\r
+ * http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ */\r
+\r
+package com.google.gson.internal;\r
+\r
+/**\r
+ * A simple utility class used to check method Preconditions.\r
+ *\r
+ * <pre>\r
+ * public long divideBy(long value) {\r
+ *   Preconditions.checkArgument(value != 0);\r
+ *   return this.value / value;\r
+ * }\r
+ * </pre>\r
+ *\r
+ * @author Inderjeet Singh\r
+ * @author Joel Leitch\r
+ */\r
+public final class $Gson$Preconditions {\r
+  public static <T> T checkNotNull(T obj) {\r
+    if (obj == null) {\r
+      throw new NullPointerException();\r
+    }\r
+    return obj;\r
+  }\r
+\r
+  public static void checkArgument(boolean condition) {\r
+    if (!condition) {\r
+      throw new IllegalArgumentException();\r
+    }\r
+  }\r
+}\r