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

        MessageFormat format = new MessageFormat("{1,number,integer}");
        StringBuffer buffer = new StringBuffer();
        format.format(new Object[] { "0", new Double(53.863) }, buffer,
                new FieldPosition(0));
    assertEquals("Wrong result", "54", buffer.toString());
        format
                .applyPattern("{0,choice,0#zero|1#one '{1,choice,2#two {2,time}}'}");
        Date date = new Date();
        String expected = "one two "
                + DateFormat.getTimeInstance().format(date);
        String result = format.format(new Object[] { new Double(1.6),

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        // Test for method void
        // java.text.MessageFormat.setLocale(java.util.Locale)
        MessageFormat format = new MessageFormat("date {0,date}");
        format.setLocale(Locale.CHINA);
        assertEquals("Wrong locale1", Locale.CHINA, format.getLocale());
        format.applyPattern("{1,date}");
        assertEquals("Wrong locale3", DateFormat.getDateInstance(DateFormat.DEFAULT,
                Locale.CHINA), format.getFormats()[0]);
    }


    /**

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        MessageFormatKey key = new MessageFormatKey(pattern, locale);
        MessageFormat format = messageFormats.get(key);
        if (format == null) {
            format = new MessageFormat(pattern);
            format.setLocale(locale);
            format.applyPattern(pattern);
            messageFormats.put(key, format);
        }


        return format;
    }

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        if (args != null) {
      MessageFormat formatter = new MessageFormat("");
      if (locCtxt.getLocale() != null) {
          formatter.setLocale(locCtxt.getLocale());
      }
      formatter.applyPattern(message);
      message = formatter.format(args);
        }
    } catch (MissingResourceException mre) {
    }
      }

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                            //System.out.println("LOCALE: " + locale);
                            if (locale != null) {
                                formatter.setLocale(locale);
                            }
                        }
      formatter.applyPattern(message);
      message = formatter.format(messageArgs);
        }
    } catch (MissingResourceException mre) {
        message = UNDEFINED_KEY + key + UNDEFINED_KEY;
    }

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        // regardless of what locale is later specified!
        // It appears that the problem does not exist in JDK 1.4.


        MessageFormat messageFormat = new MessageFormat("");
        messageFormat.setLocale(_locale);
        messageFormat.applyPattern(pattern);


        return messageFormat.format(args);
    }


    public String format(String key, Object arg0)

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    private void computeAndDrawHalo( int nice, MapGraphicContext context, Unit measurement,
            BarStyle type, int x, int y, int width, int height, Color bgColor ) {


        // determine maximum label size
        MessageFormat formatter = new MessageFormat("", Locale.getDefault()); //$NON-NLS-1$
        formatter.applyPattern(NUMBER_PATTERN + measurement.display);
        Object[] arguments = {nice * type.getNumintervals()};
        String msg = formatter.format(arguments);
        Rectangle2D msgBounds = context.getGraphics().getStringBounds(msg);


        double textwidth = msgBounds.getWidth();

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        if (font != null && font.getFont() != null) {
            graphics.setFont(font.getFont());
        }


        MessageFormat formatter = new MessageFormat("", Locale.getDefault()); //$NON-NLS-1$
        formatter.applyPattern(NUMBER_PATTERN + measurement.display);


        Object[] arguments = {nice};
        String msg = formatter.format(arguments);
        Rectangle2D msgBounds = graphics.getStringBounds(msg);

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        if (font != null && font.getFont() != null) {
            graphics.setFont(font.getFont());
        }


        MessageFormat formatter = new MessageFormat("", Locale.getDefault()); //$NON-NLS-1$
        formatter.applyPattern(NUMBER_PATTERN);


        for( int i = -1; i < numIntervals - 1; i++ ) {


            drawIntervalLabel(nice, x, y, height, barWidth, width, numIntervals, c,
                    graphics, formatter, i);

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            drawIntervalLabel(nice, x, y, height, barWidth, width, numIntervals, c,
                    graphics, formatter, i);
        }


        formatter = new MessageFormat("", Locale.getDefault()); //$NON-NLS-1$
        formatter.applyPattern(NUMBER_PATTERN + measurement.display);
        drawIntervalLabel(nice, x, y, height, barWidth, width, numIntervals, c,
                graphics, formatter, numIntervals - 1);
    }


    /**

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