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1 /*
2  * Copyright (C) 2010 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
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 
17 package com.android.json.stream;
18 
19 /**
20  * A structure, name or value type in a JSON-encoded string.
21  */
22 public enum JsonToken {
23 
24     /**
25      * The opening of a JSON array. Written using {@link JsonWriter#beginObject}
26      * and read using {@link JsonReader#beginObject}.
27      */
28     BEGIN_ARRAY,
29 
30     /**
31      * The closing of a JSON array. Written using {@link JsonWriter#endArray}
32      * and read using {@link JsonReader#endArray}.
33      */
34     END_ARRAY,
35 
36     /**
37      * The opening of a JSON object. Written using {@link JsonWriter#beginObject}
38      * and read using {@link JsonReader#beginObject}.
39      */
40     BEGIN_OBJECT,
41 
42     /**
43      * The closing of a JSON object. Written using {@link JsonWriter#endObject}
44      * and read using {@link JsonReader#endObject}.
45      */
46     END_OBJECT,
47 
48     /**
49      * A JSON property name. Within objects, tokens alternate between names and
50      * their values. Written using {@link JsonWriter#name} and read using {@link
51      * JsonReader#nextName}
52      */
53     NAME,
54 
55     /**
56      * A JSON string.
57      */
58     STRING,
59 
60     /**
61      * A JSON number represented in this API by a Java {@code double}, {@code
62      * long}, or {@code int}.
63      */
64     NUMBER,
65 
66     /**
67      * A JSON {@code true} or {@code false}.
68      */
69     BOOLEAN,
70 
71     /**
72      * A JSON {@code null}.
73      */
74     NULL,
75 
76     /**
77      * The end of the JSON stream. This sentinel value is returned by {@link
78      * JsonReader#peek()} to signal that the JSON-encoded value has no more
79      * tokens.
80      */
81     END_DOCUMENT
82 }
83