Coverage Summary for Class: JavaType (net.sf.persism)

1 package net.sf.persism;
2 
3 import java.lang.reflect.Array;
4 import java.math.BigDecimal;
5 import java.math.BigInteger;
6 import java.sql.Blob;
7 import java.sql.Clob;
8 import java.sql.Time;
9 import java.sql.Timestamp;
10 import java.time.LocalTime;
11 import java.util.UUID;
12 
13 /**
14  * Type mapper used for fast switch statements
15  *
16  * @author Dan Howard
17  * @since 10/8/11 5:36 PM
18  */
19 enum JavaType {
20 
21     booleanType(boolean.class),
22     BooleanType(Boolean.class),
23     byteType(byte.class),
24     ByteType(Byte.class),
25     shortType(short.class),
26     ShortType(Short.class),
27     integerType(int.class),
28     IntegerType(Integer.class),
29     longType(long.class),
30     LongType(Long.class),
31     floatType(float.class),
32     FloatType(Float.class),
33     doubleType(double.class),
34     DoubleType(Double.class),
35     BigDecimalType(BigDecimal.class),
36     BigIntegerType(BigInteger.class),
37     StringType(String.class),
38     characterType(char.class),
39     CharacterType(Character.class),
40     UtilDateType(java.util.Date.class),
41     SQLDateType(java.sql.Date.class),
42     TimeType(Time.class),
43     LocalTimeType(LocalTime.class),
44     TimestampType(Timestamp.class),
45     LocalDateType(java.time.LocalDate.class),
46     LocalDateTimeType(java.time.LocalDateTime.class),
47     InstantType(java.time.Instant.class),
48     OffsetDateTimeType(java.time.OffsetDateTime.class),
49     ZonedDateTimeType(java.time.ZonedDateTime.class),
50     byteArrayType(byte[].class),
51     ByteArrayType(Byte[].class),
52     ClobType(Clob.class),
53     BlobType(Blob.class),
54     EnumType(Enum.class),
55     UUIDType(UUID.class),
56     ObjectType(Object.class);
57 
58     private static final Log log = Log.getLogger(JavaType.class);
59 
60     private Class<?> type;
61 
62     <T> JavaType(Class<T> type) {
63         init(type);
64     }
65 
66     private <T> void init(Class<T> type) {
67         this.type = type;
68     }
69 
70     public static <T> JavaType getType(Class<T> type) {
71         if (type.isEnum()) {
72             return EnumType;
73         }
74 
75         for (JavaType t : values()) {
76             if (t.type.equals(type)) {
77                 return t;
78             }
79         }
80         return null;
81     }
82 
83     public static JavaType convert(int sqlType) {
84         JavaType result = null;
85 
86         switch (sqlType) {
87             case java.sql.Types.CHAR:
88             case java.sql.Types.NCHAR:
89             case java.sql.Types.VARCHAR:
90             case java.sql.Types.NVARCHAR:
91             case java.sql.Types.LONGVARCHAR:
92             case java.sql.Types.LONGNVARCHAR:
93                 result = StringType;
94                 break;
95 
96             case java.sql.Types.NUMERIC:
97             case java.sql.Types.DECIMAL:
98                 result = BigDecimalType;
99                 break;
100 
101             case java.sql.Types.BIT:
102             case java.sql.Types.BOOLEAN:
103                 result = BooleanType;
104                 break;
105 
106             case java.sql.Types.TINYINT:
107                 result = ByteType;
108                 break;
109 
110             case java.sql.Types.SMALLINT:
111                 result = ShortType;
112                 break;
113 
114             case java.sql.Types.INTEGER:
115                 result = IntegerType;
116                 break;
117 
118             case java.sql.Types.BIGINT:
119                 result = LongType;
120                 break;
121 
122             case java.sql.Types.FLOAT:
123                 result = FloatType;
124                 break;
125 
126             case java.sql.Types.DOUBLE:
127             case java.sql.Types.REAL:
128                 result = DoubleType;
129                 break;
130 
131             case java.sql.Types.BINARY:
132             case java.sql.Types.VARBINARY:
133                 result = ByteArrayType;
134                 break;
135 
136             case java.sql.Types.LONGVARBINARY:
137             case java.sql.Types.BLOB:
138                 result = BlobType;
139                 break;
140 
141             case java.sql.Types.DATE:
142                 result = SQLDateType;
143                 break;
144 
145             case java.sql.Types.TIME:
146                 result = TimeType;
147                 break;
148 
149             case java.sql.Types.TIMESTAMP:
150                 result = TimestampType;
151                 break;
152 
153             case java.sql.Types.CLOB:
154             case java.sql.Types.NCLOB:
155                 result = ClobType;
156                 break;
157 
158             case java.sql.Types.OTHER:
159                 result = ObjectType;
160         }
161 
162         if (result == null) {
163             log.warnNoDuplicates(Message.UnknownSQLType.message(sqlType));
164         }
165 
166         return result;
167     }
168 
169     public Class<?> getJavaType() {
170         return type;
171     }
172 
173     public boolean isEligibleForAutoinc() {
174         // Oracle returns BigDecimalType for INT
175         // PUBS has SmallInt -> short
176         return this == IntegerType || this == integerType || this == LongType || this == longType
177                || this == ShortType || this == shortType || this == BigDecimalType || this == BigIntegerType;
178     }
179 
180     // https://stackoverflow.com/questions/2891970/getting-default-value-for-primitive-types
181     public static <T> T getDefaultValue(Class<T> clazz) {
182         return (T) Array.get(Array.newInstance(clazz, 1), 0);
183     }
184 }
185 
186