Examples of java.text.MessageFormat.applyPattern()

java.text.MessageFormat.applyPattern()
Sets the pattern used by this message format. The method parses the pattern and creates a list of subformats for the format elements contained in it. Patterns and their interpretation are specified in the class description. @param pattern the pattern for this message format @exception IllegalArgumentException if the pattern is invalid

        format.applyPattern("{0, date, long}");
        assertTrue("Wrong long date format", format.getFormats()[0]
                .equals(DateFormat.getDateInstance(DateFormat.LONG)));
    assertEquals("Wrong long date pattern", 
        "{0,date,long}", format.toPattern());
        format.applyPattern("{0, date, full}");
        assertTrue("Wrong full date format", format.getFormats()[0]
                .equals(DateFormat.getDateInstance(DateFormat.FULL)));
    assertEquals("Wrong full date pattern", 
        "{0,date,full}", format.toPattern());

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        assertTrue("Wrong full date format", format.getFormats()[0]
                .equals(DateFormat.getDateInstance(DateFormat.FULL)));
    assertEquals("Wrong full date pattern", 
        "{0,date,full}", format.toPattern());


        format.applyPattern("{0, date, MMM d {hh:mm:ss}}");
    assertEquals("Wrong time/date format", " MMM d {hh:mm:ss}", ((SimpleDateFormat) (format
        .getFormats()[0])).toPattern());
    assertEquals("Wrong time/date pattern", 
        "{0,date, MMM d {hh:mm:ss}}", format.toPattern());

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    assertEquals("Wrong time/date format", " MMM d {hh:mm:ss}", ((SimpleDateFormat) (format
        .getFormats()[0])).toPattern());
    assertEquals("Wrong time/date pattern", 
        "{0,date, MMM d {hh:mm:ss}}", format.toPattern());


        format.applyPattern("{0, number}");
        assertTrue("Wrong number format", format.getFormats()[0]
                .equals(NumberFormat.getNumberInstance()));
    assertEquals("Wrong number pattern", 
        "{0,number}", format.toPattern());
        format.applyPattern("{0, number, currency}");

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        format.applyPattern("{0, number}");
        assertTrue("Wrong number format", format.getFormats()[0]
                .equals(NumberFormat.getNumberInstance()));
    assertEquals("Wrong number pattern", 
        "{0,number}", format.toPattern());
        format.applyPattern("{0, number, currency}");
        assertTrue("Wrong currency number format", format.getFormats()[0]
                .equals(NumberFormat.getCurrencyInstance()));
    assertEquals("Wrong currency number pattern", 
        "{0,number,currency}", format.toPattern());
        format.applyPattern("{0, number, percent}");

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        format.applyPattern("{0, number, currency}");
        assertTrue("Wrong currency number format", format.getFormats()[0]
                .equals(NumberFormat.getCurrencyInstance()));
    assertEquals("Wrong currency number pattern", 
        "{0,number,currency}", format.toPattern());
        format.applyPattern("{0, number, percent}");
        assertTrue("Wrong percent number format", format.getFormats()[0]
                .equals(NumberFormat.getPercentInstance()));
    assertEquals("Wrong percent number pattern", 
        "{0,number,percent}", format.toPattern());
        format.applyPattern("{0, number, integer}");

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        format.applyPattern("{0, number, percent}");
        assertTrue("Wrong percent number format", format.getFormats()[0]
                .equals(NumberFormat.getPercentInstance()));
    assertEquals("Wrong percent number pattern", 
        "{0,number,percent}", format.toPattern());
        format.applyPattern("{0, number, integer}");
        NumberFormat nf = NumberFormat.getInstance();
        nf.setMaximumFractionDigits(0);
        nf.setParseIntegerOnly(true);
        assertTrue("Wrong integer number format", format.getFormats()[0]
                .equals(nf));

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     */
    private MessageFormat createMessageFormat(String pattern, Locale locale) {
        MessageFormat result = new MessageFormat(pattern);
        if (locale != null) {
            result.setLocale(locale);
            result.applyPattern(pattern);
        }
        return result;
    }


    // ------------------------ Test Formats ------------------------

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     */
    public void test_applyPatternLjava_lang_String() {
        // Test for method void
        // java.text.MessageFormat.applyPattern(java.lang.String)
        MessageFormat format = new MessageFormat("test");
        format.applyPattern("xx {0}");
    assertEquals("Invalid number", "xx 46", format.format(
        new Object[] { new Integer(46) }));
        Date date = new Date();
        String result = format.format(new Object[] { date });
        String expected = "xx " + DateFormat.getInstance().format(date);

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        String result = format.format(new Object[] { date });
        String expected = "xx " + DateFormat.getInstance().format(date);
        assertTrue("Invalid date:\n" + result + "\n" + expected, result
                .equals(expected));
        format = new MessageFormat("{0,date}{1,time}{2,number,integer}");
        format.applyPattern("nothing");
    assertEquals("Found formats", "nothing", format.toPattern());


        format.applyPattern("{0}");
    assertNull("Wrong format", format.getFormats()[0]);
    assertEquals("Wrong pattern", "{0}", format.toPattern());

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                .equals(expected));
        format = new MessageFormat("{0,date}{1,time}{2,number,integer}");
        format.applyPattern("nothing");
    assertEquals("Found formats", "nothing", format.toPattern());


        format.applyPattern("{0}");
    assertNull("Wrong format", format.getFormats()[0]);
    assertEquals("Wrong pattern", "{0}", format.toPattern());


        format.applyPattern("{0, \t\u001ftime }");
        assertTrue("Wrong time format", format.getFormats()[0]

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