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32 package net.sf.retrotranslator.runtime.java.text;
33
34 import java.math.BigDecimal  ;
35 import java.text.*;
36 import net.sf.retrotranslator.runtime.impl.*;
37
38
41 public class _DecimalFormat {
42
43 private static final WeakIdentityTable<DecimalFormat, _DecimalFormat> formats =
44 new WeakIdentityTable<DecimalFormat, _DecimalFormat>() {
45 protected _DecimalFormat initialValue() {
46 return new _DecimalFormat();
47 }
48 };
49
50 private boolean parseBigDecimal;
51
52 protected _DecimalFormat() {
53 }
54
55 @Advanced
56 public static boolean isParseBigDecimal(DecimalFormat format) {
57 _DecimalFormat value = formats.lookup(format);
58 return value != null && value.parseBigDecimal;
59 }
60
61 @Advanced
62 public static void setParseBigDecimal(DecimalFormat format, boolean newValue) {
63 formats.obtain(format).parseBigDecimal = newValue;
64 }
65
66 @Advanced
67 public static Number parse(DecimalFormat format, String source) throws ParseException {
68 return correctNumber(format, format.parse(source));
69 }
70
71 @Advanced
72 public static Number parse(DecimalFormat format, String source, ParsePosition parsePosition) {
73 return correctNumber(format, format.parse(source, parsePosition));
74 }
75
76 @Advanced
77 public static Object parseObject(DecimalFormat format, String source) throws ParseException {
78 return correctObject(format, format.parseObject(source));
79 }
80
81 @Advanced
82 public static Object parseObject(DecimalFormat format, String source, ParsePosition pos) {
83 return correctObject(format, format.parseObject(source, pos));
84 }
85
86 private static Number correctNumber(DecimalFormat format, Number number) {
87 if (number == null || !isParseBigDecimal(format)) {
88 return number;
89 }
90 if (number instanceof Double ) {
91 Double result = (Double ) number;
92 if (result.isInfinite() || result.isNaN()) {
93 return result;
94 }
95 }
96 return new BigDecimal (number.toString());
97 }
98
99 private static Object correctObject(DecimalFormat format, Object object) {
100 return object instanceof Number ? correctNumber(format, (Number ) object) : object;
101 }
102
103 protected static Number fixNumber(Format format, Number number) {
104 return format instanceof DecimalFormat ? correctNumber((DecimalFormat) format, number) : number;
105 }
106
107 protected static Object fixObject(Format format, Object object) {
108 return object instanceof Number ? fixNumber(format, (Number ) object) : object;
109 }
110
111 }
112 |
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