Method: writeValue(JsonGenerator)

1: /*
2: * JB4JSON-LD
3: * Copyright (C) 2024 Czech Technical University in Prague
4: *
5: * This library is free software; you can redistribute it and/or
6: * modify it under the terms of the GNU Lesser General Public
7: * License as published by the Free Software Foundation; either
8: * version 3.0 of the License, or (at your option) any later version.
9: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public
16: * License along with this library.
17: */
18: package cz.cvut.kbss.jsonld.serialization.model;
19:
20: import cz.cvut.kbss.jsonld.serialization.JsonGenerator;
21:
22: import java.io.IOException;
23: import java.util.Objects;
24:
25: /**
26: * Represents a field value that should be serialized as an identifier of the referenced object.
27: */
28: public class ObjectIdNode extends JsonNode {
29:
30: private final String identifier;
31:
32: public ObjectIdNode(String identifier) {
33: this.identifier = Objects.requireNonNull(identifier);
34: }
35:
36: public ObjectIdNode(String name, String identifier) {
37: super(name);
38: this.identifier = Objects.requireNonNull(identifier);
39: }
40:
41: @Override
42: protected void writeValue(JsonGenerator writer) throws IOException {
43: writer.writeString(identifier);
44: }
45:
46: public String getIdentifier() {
47: return identifier;
48: }
49:
50: @Override
51: public boolean equals(Object o) {
52: if (this == o) {
53: return true;
54: }
55: if (!(o instanceof ObjectIdNode)) {
56: return false;
57: }
58: ObjectIdNode that = (ObjectIdNode) o;
59: return identifier.equals(that.identifier);
60: }
61:
62: @Override
63: public int hashCode() {
64: return Objects.hash(identifier);
65: }
66:
67: @Override
68: public String toString() {
69: return super.toString() + identifier + "}";
70: }
71: }