01: /*
02: * Copyright 2005 Joe Walker
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.directwebremoting.json;
17:
18: /**
19: * @author Joe Walker [joe at getahead dot ltd dot uk]
20: */
21: public class JsonNull extends JsonValue {
22: /* (non-Javadoc)
23: * @see org.directwebremoting.json.JsonValue#toExternalRepresentation()
24: */
25: @Override
26: public String toExternalRepresentation() {
27: return "null";
28: }
29:
30: /* (non-Javadoc)
31: * @see java.lang.Object#toString()
32: */
33: @Override
34: public String toString() {
35: return toExternalRepresentation();
36: }
37: }
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