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1
21 package com.db4o.foundation;
22
23
26 public class Coercion4 {
27 public static Object  toSByte(Object obj) {
28 if(obj instanceof Byte ){
29 return obj;
30 }
31 if(obj instanceof Number ){
32 Number number=(Number )obj;
33 if(number.byteValue()==number.doubleValue()) {
34 return new Byte ((number).byteValue());
35 }
36 }
37 return No4.INSTANCE;
38 }
39
40 public static Object toShort(Object obj) {
41 if(obj instanceof Short ){
42 return obj;
43 }
44 if(obj instanceof Number ){
45 Number number=(Number )obj;
46 if(number.shortValue()==number.doubleValue()) {
47 return new Short ((number).shortValue());
48 }
49 }
50 return No4.INSTANCE;
51 }
52
53 public static Object toInt(Object obj) {
54 if(obj instanceof Integer ){
55 return obj;
56 }
57 if(obj instanceof Number ){
58 Number number=(Number )obj;
59 if(number.intValue()==number.doubleValue()) {
60 return new Integer ((number).intValue());
61 }
62 }
63 return No4.INSTANCE;
64 }
65
66 public static Object toLong(Object obj) {
67 if(obj instanceof Long ){
68 return obj;
69 }
70 if(obj instanceof Number ){
71 Number number=(Number )obj;
72 if(number.longValue()==number.doubleValue()) {
73 return new Long ((number).longValue());
74 }
75 }
76 return No4.INSTANCE;
77 }
78
79 public static Object toFloat(Object obj) {
80 if(obj instanceof Float ){
81 return obj;
82 }
83 if(obj instanceof Number ){
84 Number number=(Number )obj;
85 if(number.floatValue()==number.doubleValue()) {
86 return new Float ((number).floatValue());
87 }
88 }
89 return No4.INSTANCE;
90 }
91
92 public static Object toDouble(Object obj) {
93 if(obj instanceof Double ){
94 return obj;
95 }
96 if(obj instanceof Number ){
97 Number number=(Number )obj;
98 return new Double ((number).doubleValue());
99 }
100 return No4.INSTANCE;
101 }
102 }
103 |
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