linwe
2024-09-03 764d883b5ea3bdc06abbec548b6df0511e567978
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
package org.yaml.snakeyaml.representer;
 
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.TypeDescription;
import org.yaml.snakeyaml.introspector.Property;
import org.yaml.snakeyaml.introspector.PropertyUtils;
import org.yaml.snakeyaml.nodes.*;
 
import java.util.*;
 
public class Representer extends SafeRepresenter {
    protected Map<Class<? extends Object>, TypeDescription> typeDefinitions = Collections.emptyMap();
 
    public Representer() {
        super(new DumperOptions());
        this.representers.put((Class<?>) null, new RepresentJavaBean());
    }
    public Representer(DumperOptions options) {
        super(options);
        this.representers.put((Class<?>) null, new RepresentJavaBean());
    }
 
    public TypeDescription addTypeDescription(TypeDescription td) {
        if (Collections.EMPTY_MAP == this.typeDefinitions) {
            this.typeDefinitions = new HashMap();
        }
 
        if (td.getTag() != null) {
            this.addClassTag(td.getType(), td.getTag());
        }
 
        td.setPropertyUtils(this.getPropertyUtils());
        return (TypeDescription) this.typeDefinitions.put(td.getType(), td);
    }
 
    public void setPropertyUtils(PropertyUtils propertyUtils) {
        super.setPropertyUtils(propertyUtils);
        Collection<TypeDescription> tds = this.typeDefinitions.values();
        Iterator var3 = tds.iterator();
 
        while (var3.hasNext()) {
            TypeDescription typeDescription = (TypeDescription) var3.next();
            typeDescription.setPropertyUtils(propertyUtils);
        }
 
    }
 
    protected MappingNode representJavaBean(Set<Property> properties, Object javaBean) {
        List<NodeTuple> value = new ArrayList(properties.size());
        Tag customTag = (Tag) this.classTags.get(javaBean.getClass());
        Tag tag = customTag != null ? customTag : new Tag(javaBean.getClass());
        MappingNode node = new MappingNode(tag, value, DumperOptions.FlowStyle.AUTO);
        this.representedObjects.put(javaBean, node);
        DumperOptions.FlowStyle bestStyle = DumperOptions.FlowStyle.FLOW;
        Iterator var8 = properties.iterator();
 
        while (true) {
            NodeTuple tuple;
            do {
                if (!var8.hasNext()) {
                    if (this.defaultFlowStyle != DumperOptions.FlowStyle.AUTO) {
                        node.setFlowStyle(this.defaultFlowStyle);
                    } else {
                        node.setFlowStyle(bestStyle);
                    }
 
                    return node;
                }
 
                Property property = (Property) var8.next();
                Object memberValue = property.get(javaBean);
                Tag customPropertyTag = memberValue == null ? null : (Tag) this.classTags.get(memberValue.getClass());
                tuple = this.representJavaBeanProperty(javaBean, property, memberValue, customPropertyTag);
            } while (tuple == null);
 
            if (!((ScalarNode) tuple.getKeyNode()).isPlain()) {
                bestStyle = DumperOptions.FlowStyle.BLOCK;
            }
 
            Node nodeValue = tuple.getValueNode();
            if (!(nodeValue instanceof ScalarNode) || !((ScalarNode) nodeValue).isPlain()) {
                bestStyle = DumperOptions.FlowStyle.BLOCK;
            }
 
            value.add(tuple);
        }
    }
 
    protected NodeTuple representJavaBeanProperty(Object javaBean, Property property, Object propertyValue, Tag customTag) {
        ScalarNode nodeKey = (ScalarNode) this.representData(property.getName());
        boolean hasAlias = this.representedObjects.containsKey(propertyValue);
        Node nodeValue = this.representData(propertyValue);
        if (propertyValue != null && !hasAlias) {
            NodeId nodeId = nodeValue.getNodeId();
            if (customTag == null) {
                if (nodeId == NodeId.scalar) {
                    if (property.getType() != Enum.class && propertyValue instanceof Enum) {
                        nodeValue.setTag(Tag.STR);
                    }
                } else {
                    if (nodeId == NodeId.mapping && property.getType() == propertyValue.getClass() && !(propertyValue instanceof Map) && !nodeValue.getTag().equals(Tag.SET)) {
                        nodeValue.setTag(Tag.MAP);
                    }
 
                    this.checkGlobalTag(property, nodeValue, propertyValue);
                }
            }
        }
 
        return new NodeTuple(nodeKey, nodeValue);
    }
 
    protected void checkGlobalTag(Property property, Node node, Object object) {
        if (!object.getClass().isArray() || !object.getClass().getComponentType().isPrimitive()) {
            Class<?>[] arguments = property.getActualTypeArguments();
            if (arguments != null) {
                Class t;
                Iterator iter;
                Iterator var9;
                if (node.getNodeId() == NodeId.sequence) {
                    t = arguments[0];
                    SequenceNode snode = (SequenceNode) node;
                    Iterable<Object> memberList = Collections.EMPTY_LIST;
                    if (object.getClass().isArray()) {
                        memberList = Arrays.asList((Object[]) object);
                    } else if (object instanceof Iterable) {
                        memberList = (Iterable) object;
                    }
 
                    iter = ((Iterable) memberList).iterator();
                    if (iter.hasNext()) {
                        var9 = snode.getValue().iterator();
 
                        while (var9.hasNext()) {
                            Node childNode = (Node) var9.next();
                            Object member = iter.next();
                            if (member != null && t.equals(member.getClass()) && childNode.getNodeId() == NodeId.mapping) {
                                childNode.setTag(Tag.MAP);
                            }
                        }
                    }
                } else if (object instanceof Set) {
                    t = arguments[0];
                    MappingNode mnode = (MappingNode) node;
                    iter = mnode.getValue().iterator();
                    Set<?> set = (Set) object;
                    var9 = set.iterator();
 
                    while (var9.hasNext()) {
                        Object member = var9.next();
                        NodeTuple tuple = (NodeTuple) iter.next();
                        Node keyNode = tuple.getKeyNode();
                        if (t.equals(member.getClass()) && keyNode.getNodeId() == NodeId.mapping) {
                            keyNode.setTag(Tag.MAP);
                        }
                    }
                } else if (object instanceof Map) {
                    t = arguments[0];
                    Class<?> valueType = arguments[1];
                    MappingNode mnode = (MappingNode) node;
                    iter = mnode.getValue().iterator();
 
                    while (iter.hasNext()) {
                        NodeTuple tuple = (NodeTuple) iter.next();
                        this.resetTag(t, tuple.getKeyNode());
                        this.resetTag(valueType, tuple.getValueNode());
                    }
                }
            }
 
        }
    }
 
    private void resetTag(Class<? extends Object> type, Node node) {
        Tag tag = node.getTag();
        if (tag.matches(type)) {
            if (Enum.class.isAssignableFrom(type)) {
                node.setTag(Tag.STR);
            } else {
                node.setTag(Tag.MAP);
            }
        }
 
    }
 
    protected Set<Property> getProperties(Class<? extends Object> type) {
        return this.typeDefinitions.containsKey(type) ? ((TypeDescription) this.typeDefinitions.get(type)).getProperties() : this.getPropertyUtils().getProperties(type);
    }
 
    protected class RepresentJavaBean implements Represent {
        protected RepresentJavaBean() {
        }
 
        public Node representData(Object data) {
            return Representer.this.representJavaBean(Representer.this.getProperties(data.getClass()), data);
        }
    }
}