dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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
package foundation.object.reader;
 
import java.util.List;
import java.util.Map;
import java.util.Set;
 
import foundation.translator.ITranslator;
import foundation.translator.Translator;
import foundation.util.ContentBuilder;
 
 
public class MapReader extends EntityReader {
 
    protected ITranslator translator;
    protected IEntityReader valueReader;
    
    protected MapReader(Class<?> clazz) throws Exception {
        super(clazz);
    }
 
    @Override
    protected void initValueReader(Class<?> dataType) throws Exception {
        if (translator == null && valueReader == null) {
            if (Translator.containsType(dataType)) {
                translator = Translator.getInstance(dataType);
            }
            else {
                valueReader = EntityReader.getInstance(dataType);
            }
        }
    }
    
    @SuppressWarnings("unchecked")
    @Override
    public String getString(Object entity) {
        try {
            Map<Object, Object> map = (Map<Object, Object>) entity;        
            
            if (map.isEmpty()) {
                return "[]";
            }
            
            ContentBuilder result = new ContentBuilder();
            result.append("[");
            
            Set<Object> keys = map.keySet();
 
            initValueReader(keys.iterator().next().getClass());
        
            for (Object key: keys) {
                Object obj = map.get(key);
                
                try {
                    if (translator != null) {
                        result.append(key, ",").append(":").append(translator.toString(obj));
                    }
                    else {
                        result.append(key, ",").append(":").append(valueReader.getString(obj));
                    }                    
                }
                catch (Exception e) {
                    result.append(key, ",").append(":error");
                }
            }
            
            result.append("]");
            return result.toString();
        } 
        catch (Exception e) {
            return e.getMessage();
        }
    }
 
    @SuppressWarnings("unchecked")
    @Override
    public String getJSONString(Object entity) throws Exception {
        Map<Object, Object> map = (Map<Object, Object>) entity;
        
        if (map.isEmpty()) {
            return "{}";
        }
        
        ContentBuilder result = new ContentBuilder();
        result.append("{");
        
        Set<Object> keys = map.keySet();
        
        try {
            Class<?> clazz = keys.iterator().next().getClass();
            initValueReader(clazz);
        } catch (Exception e) {
            return e.getMessage();
        }
        
        for (Object key: keys) {
            Object obj = map.get(key);
            
            try {
                if (translator != null) {
                    result.append("\"", ",").append(key).append("\":").append(translator.toJSONString(obj));
                }
                else {
                    result.append("\"", ",").append(key).append("\":").append(valueReader.getJSONString(obj));
                }                
            }
            catch (Exception e) {
                result.append("\"", ",").append(key).append("\":\"error\"");
            }
        }
        
        result.append("}");
        return result.toString();
    }
 
 
    @Override
    public String getJSONString(Object entity, String defaultValue) {
        try {
            return getJSONString(entity);
        }
        catch (Exception e) {
            return defaultValue;
        }
    }
 
    @Override
    public List<NameValuePair> getValueList(Object entity) throws Exception {
        return null;
    }
 
}