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.impl;
27 
28 import oracle.code.json.JsonString;
29 
30 import java.util.Objects;
31 
32 /**
33  * JsonString implementation class
34  */
35 public final class JsonStringImpl implements JsonString {
36 
37     private final char[] doc;
38     private final int startOffset;
39     private final int endOffset;
40     private final String str;// = StableSupplier.of(this::unescape);
41 
42     public JsonStringImpl(String str) {
43         doc = ("\"" + str + "\"").toCharArray();
44         startOffset = 0;
45         endOffset = doc.length;
46         this.str = unescape();
47     }
48 
49     public JsonStringImpl(char[] doc, int start, int end) {
50         this.doc = doc;
51         startOffset = start;
52         endOffset = end;
53         str = unescape();
54     }
55 
56     @Override
57     public String value() {
58         var ret = str;
59         return str.substring(1, ret.length() - 1);
60     }
61 
62     @Override
63     public String toString() {
64         return str;
65     }
66 
67     @Override
68     public boolean equals(Object o) {
69         return o instanceof JsonString ojs &&
70                 Objects.equals(value(), ojs.value());
71     }
72 
73     @Override
74     public int hashCode() {
75         return Objects.hash(value());
76     }
77 
78     private String unescape() {
79         return Utils.unescape(doc, startOffset, endOffset);
80     }
81 }