CurrencyFormat.java revision 2ae130017183d2f66d55bf0ca51f8da3294644fd 
1/* GENERATED SOURCE. DO NOT MODIFY. */
2/*
3**********************************************************************
4* Copyright (c) 2004-2014, International Business Machines
5* Corporation and others.  All Rights Reserved.
6**********************************************************************
7* Author: Alan Liu
8* Created: April 20, 2004
9* Since: ICU 3.0
10**********************************************************************
11*/
12package android.icu.text;
13
14import java.io.ObjectStreamException;
15import java.text.FieldPosition;
16import java.text.ParsePosition;
17
18import android.icu.util.CurrencyAmount;
19import android.icu.util.Measure;
20import android.icu.util.ULocale;
21
22/**
23 * Temporary internal concrete subclass of MeasureFormat implementing
24 * parsing and formatting of CurrencyAmount objects.  This class is
25 * likely to be redesigned and rewritten in the near future.
26 *
27 * <p>This class currently delegates to DecimalFormat for parsing and
28 * formatting.
29 *
30 * @see android.icu.text.UFormat
31 * @see android.icu.text.DecimalFormat
32 * @author Alan Liu
33 */
34class CurrencyFormat extends MeasureFormat {
35    // Generated by serialver from JDK 1.4.1_01
36    static final long serialVersionUID = -931679363692504634L;
37
38    private NumberFormat fmt;
39    private transient final MeasureFormat mf;
40
41    public CurrencyFormat(ULocale locale) {
42        // Needed for getLocale(ULocale.VALID_LOCALE).
43        setLocale(locale, locale);
44        mf = MeasureFormat.getInstance(locale, FormatWidth.WIDE);
45        fmt = NumberFormat.getCurrencyInstance(locale.toLocale());
46    }
47
48    /**
49     * {@inheritDoc}
50     */
51    @Override
52    public Object clone() {
53        CurrencyFormat result = (CurrencyFormat) super.clone();
54        result.fmt = (NumberFormat) fmt.clone();
55        return result;
56    }
57
58    /**
59     * Override Format.format().
60     * @see java.text.Format#format(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition)
61     */
62    public StringBuffer format(Object obj, StringBuffer toAppendTo, FieldPosition pos) {
63        if (!(obj instanceof CurrencyAmount)) {
64            throw new IllegalArgumentException("Invalid type: " + obj.getClass().getName());
65        }
66        CurrencyAmount currency = (CurrencyAmount) obj;
67
68        fmt.setCurrency(currency.getCurrency());
69        return fmt.format(currency.getNumber(), toAppendTo, pos);
70    }
71
72    /**
73     * Override Format.parseObject().
74     * @see java.text.Format#parseObject(java.lang.String, java.text.ParsePosition)
75     */
76    @Override
77    public CurrencyAmount parseObject(String source, ParsePosition pos) {
78        return fmt.parseCurrency(source, pos);
79    }
80
81    // boilerplate code to make CurrencyFormat otherwise follow the contract of
82    // MeasureFormat
83
84    /**
85     * {@inheritDoc}
86     */
87    @Override
88    public StringBuilder formatMeasures(
89            StringBuilder appendTo, FieldPosition fieldPosition, Measure... measures) {
90        return mf.formatMeasures(appendTo, fieldPosition, measures);
91    }
92
93    /**
94     * {@inheritDoc}
95     */
96    @Override
97    public MeasureFormat.FormatWidth getWidth() {
98        return mf.getWidth();
99    }
100
101    /**
102     * {@inheritDoc}
103     */
104    @Override
105    public NumberFormat getNumberFormat() {
106        return mf.getNumberFormat();
107    }
108
109    // End boilerplate.
110
111    // Serialization
112
113    private Object writeReplace() throws ObjectStreamException {
114        return mf.toCurrencyProxy();
115    }
116
117    // Preserve backward serialize backward compatibility.
118    private Object readResolve() throws ObjectStreamException {
119        return new CurrencyFormat(fmt.getLocale(ULocale.ACTUAL_LOCALE));
120    }
121}
122