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      1 /* GENERATED SOURCE. DO NOT MODIFY. */
      2 //  2016 and later: Unicode, Inc. and others.
      3 // License & terms of use: http://www.unicode.org/copyright.html#License
      4 /*
      5 **********************************************************************
      6 * Copyright (c) 2004-2014, International Business Machines
      7 * Corporation and others.  All Rights Reserved.
      8 **********************************************************************
      9 * Author: Alan Liu
     10 * Created: April 20, 2004
     11 * Since: ICU 3.0
     12 **********************************************************************
     13 */
     14 package android.icu.text;
     15 
     16 import java.io.ObjectStreamException;
     17 import java.text.FieldPosition;
     18 import java.text.ParsePosition;
     19 
     20 import android.icu.util.CurrencyAmount;
     21 import android.icu.util.Measure;
     22 import android.icu.util.ULocale;
     23 
     24 /**
     25  * Temporary internal concrete subclass of MeasureFormat implementing
     26  * parsing and formatting of CurrencyAmount objects.  This class is
     27  * likely to be redesigned and rewritten in the near future.
     28  *
     29  * <p>This class currently delegates to DecimalFormat for parsing and
     30  * formatting.
     31  *
     32  * @see android.icu.text.UFormat
     33  * @see android.icu.text.DecimalFormat
     34  * @author Alan Liu
     35  */
     36 class CurrencyFormat extends MeasureFormat {
     37     // Generated by serialver from JDK 1.4.1_01
     38     static final long serialVersionUID = -931679363692504634L;
     39 
     40     private NumberFormat fmt;
     41     private transient final MeasureFormat mf;
     42 
     43     public CurrencyFormat(ULocale locale) {
     44         // Needed for getLocale(ULocale.VALID_LOCALE).
     45         setLocale(locale, locale);
     46         mf = MeasureFormat.getInstance(locale, FormatWidth.WIDE);
     47         fmt = NumberFormat.getCurrencyInstance(locale.toLocale());
     48     }
     49 
     50     /**
     51      * {@inheritDoc}
     52      */
     53     @Override
     54     public Object clone() {
     55         CurrencyFormat result = (CurrencyFormat) super.clone();
     56         result.fmt = (NumberFormat) fmt.clone();
     57         return result;
     58     }
     59 
     60     /**
     61      * Override Format.format().
     62      * @see java.text.Format#format(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition)
     63      */
     64     public StringBuffer format(Object obj, StringBuffer toAppendTo, FieldPosition pos) {
     65         if (!(obj instanceof CurrencyAmount)) {
     66             throw new IllegalArgumentException("Invalid type: " + obj.getClass().getName());
     67         }
     68         CurrencyAmount currency = (CurrencyAmount) obj;
     69 
     70         fmt.setCurrency(currency.getCurrency());
     71         return fmt.format(currency.getNumber(), toAppendTo, pos);
     72     }
     73 
     74     /**
     75      * Override Format.parseObject().
     76      * @see java.text.Format#parseObject(java.lang.String, java.text.ParsePosition)
     77      */
     78     @Override
     79     public CurrencyAmount parseObject(String source, ParsePosition pos) {
     80         return fmt.parseCurrency(source, pos);
     81     }
     82 
     83     // boilerplate code to make CurrencyFormat otherwise follow the contract of
     84     // MeasureFormat
     85 
     86     /**
     87      * {@inheritDoc}
     88      */
     89     @Override
     90     public StringBuilder formatMeasures(
     91             StringBuilder appendTo, FieldPosition fieldPosition, Measure... measures) {
     92         return mf.formatMeasures(appendTo, fieldPosition, measures);
     93     }
     94 
     95     /**
     96      * {@inheritDoc}
     97      */
     98     @Override
     99     public MeasureFormat.FormatWidth getWidth() {
    100         return mf.getWidth();
    101     }
    102 
    103     /**
    104      * {@inheritDoc}
    105      */
    106     @Override
    107     public NumberFormat getNumberFormat() {
    108         return mf.getNumberFormat();
    109     }
    110 
    111     // End boilerplate.
    112 
    113     // Serialization
    114 
    115     private Object writeReplace() throws ObjectStreamException {
    116         return mf.toCurrencyProxy();
    117     }
    118 
    119     // Preserve backward serialize backward compatibility.
    120     private Object readResolve() throws ObjectStreamException {
    121         return new CurrencyFormat(fmt.getLocale(ULocale.ACTUAL_LOCALE));
    122     }
    123 }
    124