1 /*
 2  * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 package oracle.code.json;
27 
28 import java.util.Objects;
29 
30 /**
31  * JsonBoolean implementation class
32  */
33 final class JsonBooleanImpl implements JsonBoolean, JsonValueImpl {
34 
35     private final JsonDocumentInfo docInfo;
36     private final int startOffset;
37     private final int endIndex;
38     private Boolean theBoolean;
39 
40     static final JsonBooleanImpl TRUE = new JsonBooleanImpl(true);
41     static final JsonBooleanImpl FALSE = new JsonBooleanImpl(false);
42 
43     JsonBooleanImpl(Boolean bool) {
44         theBoolean = bool;
45         startOffset = 0;
46         endIndex = 0;
47         docInfo = null;
48     }
49 
50     JsonBooleanImpl(JsonDocumentInfo doc, int offset, int index) {
51         docInfo = doc;
52         startOffset = offset;
53         endIndex = docInfo.nextIndex(index);
54     }
55 
56     @Override
57     public boolean value() {
58         if (theBoolean == null) {
59             theBoolean = docInfo.charAt(startOffset) == 't';
60         }
61         return theBoolean;
62     }
63 
64     @Override
65     public int getEndIndex() {
66         return endIndex;
67     }
68 
69     @Override
70     public boolean equals(Object o) {
71         return this == o ||
72             o instanceof JsonBooleanImpl ojbi &&
73             Objects.equals(value(), ojbi.value());
74     }
75 
76     @Override
77     public int hashCode() {
78         return Objects.hash(value());
79     }
80 
81     @Override
82     public Boolean toUntyped() {
83         return value();
84     }
85 
86     @Override
87     public String toString() {
88         return String.valueOf(value());
89     }
90 }