CurrencyFormat


1   /*
2   **********************************************************************
3   * Copyright (c) 2004-2005, International Business Machines
4   * Corporation and others.  All Rights Reserved.
5   **********************************************************************
6   * Author: Alan Liu
7   * Created: April 20, 2004
8   * Since: ICU 3.0
9   **********************************************************************
10  */
11  package com.ibm.icu.text;
12  
13  import java.text.FieldPosition  ;
14  import java.text.ParsePosition  ;
15  
16  import com.ibm.icu.util.CurrencyAmount;
17  import com.ibm.icu.util.ULocale;
18  
19  /**
20   * Temporary internal concrete subclass of MeasureFormat implementing
21   * parsing and formatting of CurrencyAmount objects.  This class is
22   * likely to be redesigned and rewritten in the near future.
23   *
24   * <p>This class currently delegates to DecimalFormat for parsing and
25   * formatting.
26   *
27   * @see com.ibm.icu.text.UFormat
28   * @see com.ibm.icu.text.DecimalFormat
29   * @author Alan Liu
30   * @internal
31   */
32  class CurrencyFormat extends MeasureFormat {
33      // Generated by serialver from JDK 1.4.1_01
34      static final long serialVersionUID = -931679363692504634L;
35      
36      private NumberFormat fmt;
37  
38      public CurrencyFormat(ULocale locale) {
39          fmt = NumberFormat.getCurrencyInstance(locale.toLocale());
40      }
41  
42      /**
43       * Override Format.format().
44       * @see java.text.Format#format(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition)
45       */
46      public StringBuffer   format(Object   obj, StringBuffer   toAppendTo, FieldPosition   pos) {
47          try {
48              CurrencyAmount currency = (CurrencyAmount) obj;
49              fmt.setCurrency(currency.getCurrency());
50              return fmt.format(currency.getNumber(), toAppendTo, pos);
51          } catch (ClassCastException   e) {
52              throw new IllegalArgumentException  ("Invalid type: " + obj.getClass().getName());
53          }
54      }
55  
56      /**
57       * Override Format.parseObject().
58       * @see java.text.Format#parseObject(java.lang.String, java.text.ParsePosition)
59       */
60      public Object   parseObject(String   source, ParsePosition   pos) {
61          return fmt.parseCurrency(source, pos);
62      }
63  }
64
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