X-Git-Url: http://git.ieval.ro/?a=blobdiff_plain;f=src%2Fcom%2Fgoogle%2Fgson%2FJsonNull.java;fp=src%2Fcom%2Fgoogle%2Fgson%2FJsonNull.java;h=56883369e9be65917aee2cefca5e951f01e84ad4;hb=cfd903b6b5113fa28991db19bf98d0340ae709a4;hp=0000000000000000000000000000000000000000;hpb=819197b2305a94ab4924c5ae37a3fad762078448;p=unical.git

diff --git a/src/com/google/gson/JsonNull.java b/src/com/google/gson/JsonNull.java
new file mode 100755
index 0000000..5688336
--- /dev/null
+++ b/src/com/google/gson/JsonNull.java
@@ -0,0 +1,63 @@
+/*
+ * 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 com.google.gson;
+
+/**
+ * A class representing a Json {@code null} value.
+ *
+ * @author Inderjeet Singh
+ * @author Joel Leitch
+ * @since 1.2
+ */
+public final class JsonNull extends JsonElement {
+  /**
+   * singleton for JsonNull
+   *
+   * @since 1.8
+   */
+  public static final JsonNull INSTANCE = new JsonNull();
+
+  /**
+   * Creates a new JsonNull object.
+   * Deprecated since Gson version 1.8. Use {@link #INSTANCE} instead
+   */
+  @Deprecated
+  public JsonNull() {
+    // Do nothing
+  }
+
+  @Override
+  JsonNull deepCopy() {
+    return INSTANCE;
+  }
+
+  /**
+   * All instances of JsonNull have the same hash code since they are indistinguishable
+   */
+  @Override
+  public int hashCode() {
+    return JsonNull.class.hashCode();
+  }
+
+  /**
+   * All instances of JsonNull are the same
+   */
+  @Override
+  public boolean equals(Object other) {
+    return this == other || other instanceof JsonNull;
+  }
+}