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 optkl.json.impl;
27 
28 
29 import optkl.json.JsonObject;
30 import optkl.json.JsonValue;
31 
32 import java.util.Collections;
33 import java.util.Map;
34 import java.util.Objects;
35 
36 /**
37  * JsonObject implementation class
38  */
39 public final class JsonObjectImpl implements JsonObject {
40 
41     private final Map<String, JsonValue> theMembers;
42 
43     public JsonObjectImpl(Map<String, JsonValue> map) {
44         theMembers = map;
45     }
46 
47     @Override
48     public Map<String, JsonValue> members() {
49         return Collections.unmodifiableMap(theMembers);
50     }
51 
52     @Override
53     public String toString() {
54         var s = new StringBuilder("{");
55         for (Map.Entry<String, JsonValue> kv: members().entrySet()) {
56             s.append("\"").append(kv.getKey()).append("\":")
57              .append(kv.getValue().toString())
58              .append(",");
59         }
60         if (!members().isEmpty()) {
61             s.setLength(s.length() - 1); // trim final comma
62         }
63         return s.append("}").toString();
64     }
65 
66     @Override
67     public boolean equals(Object o) {
68         return o instanceof JsonObject ojo &&
69                 Objects.equals(members(), ojo.members());
70     }
71 
72     @Override
73     public int hashCode() {
74         return Objects.hash(members());
75     }
76 }