built against CB 1000

Signed-off-by: locutus <bladedpenguin@gmail.com>

src/org/mcteam/ancientgates/gson/Preconditions.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2008 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 org.mcteam.ancientgates.gson;
+
+/**
+ * A simple utility class used to check method Preconditions.
+ *
+ * <pre>
+ * public long divideBy(long value) {
+ *   Preconditions.checkArgument(value != 0);
+ *   return this.value / value;
+ * }
+ * </pre>
+ *
+ * @author Inderjeet Singh
+ * @author Joel Leitch
+ */
+final class Preconditions {
+  public static void checkNotNull(Object obj) {
+    checkArgument(obj != null);
+  }
+
+  public static void checkArgument(boolean condition) {
+    if (!condition) {
+      throw new IllegalArgumentException("condition failed: " + condition);
+    }
+  }
+  
+  public static void checkState(boolean condition) {
+    if (!condition) {
+      throw new IllegalArgumentException("condition failed: " + condition);
+    }
+  }
+}