Examples of com.ibm.icu.text.MessageFormat.format()

com.ibm.icu.text.MessageFormat.format()

Formats an array of objects and appends the MessageFormat's pattern, with format elements replaced by the formatted objects, to the provided StringBuffer.

The text substituted for the individual format elements is derived from the current subformat of the format element and the arguments element at the format element's argument index as indicated by the first matching line of the following table. An argument is unavailable if arguments is null or has fewer than argumentIndex+1 elements.

Subformat	Argument	Formatted Text
any	unavailable	`"{" + argumentIndex + "}"`
any	`null`	`"null"`
`instanceof ChoiceFormat`	any	`subformat.format(argument).indexOf('{') >= 0 ? (new MessageFormat(subformat.format(argument), getLocale())).format(argument) : subformat.format(argument)`
`!= null`	any	`subformat.format(argument)`
`null`	`instanceof Number`	`NumberFormat.getInstance(getLocale()).format(argument)`
`null`	`instanceof Date`	`DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, getLocale()).format(argument)`
`null`	`instanceof String`	`argument`
`null`	any	`argument.toString()`

If pos is non-null, and refers to Field.ARGUMENT, the location of the first formatted string will be returned. @param arguments an array of objects to be formatted and substituted. @param result where text is appended. @param pos On input: an alignment field, if desired.On output: the offsets of the alignment field. @exception IllegalArgumentException if an argument in thearguments array is not of the type expected by the format element(s) that use it. @stable ICU 3.0

     */
    public void testSetLocaleLocale() {
        MessageFormat mf = new MessageFormat(pattern, Locale.US);
        mf.setLocale(Locale.GERMANY);
        mf.applyPattern(pattern);
        assertEquals(germanTarget, mf.format(args));
    }


    /*
     * Test method for 'com.ibm.icu.text.MessageFormat.setLocale(ULocale)'
     */

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     */
    public void testSetLocaleULocale() {
        MessageFormat mf = new MessageFormat(pattern, Locale.US);
        mf.setLocale(ULocale.GERMANY);
        mf.applyPattern(pattern);
        assertEquals(germanTarget, mf.format(args));
    }


    /*
     * Test method for 'com.ibm.icu.text.MessageFormat.getLocale()'
     */

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     * Test method for 'com.ibm.icu.text.MessageFormat.applyPattern(String)'
     */
    public void testApplyPattern() {
        MessageFormat mf = new MessageFormat("foo");
        mf.applyPattern(pattern);
        assertEquals(englishTarget, mf.format(args));
    }


    /*
     * Test method for 'com.ibm.icu.text.MessageFormat.toPattern()'
     */

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            NumberFormat.getIntegerInstance(),
            DateFormat.getTimeInstance(DateFormat.SHORT),
            DateFormat.getDateInstance(),
        };
        mf.setFormats(formats);
        assertEquals(englishTarget, mf.format(args));
   }


    /*
     * Test method for 'com.ibm.icu.text.MessageFormat.setFormatByArgumentIndex(int, Format)'
     public void testSetFormatByArgumentIndex() {

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     */
    public void testSetFormat() {
        // and ok again        
        MessageFormat mf = new MessageFormat(pattern, Locale.US);
        mf.setFormat(1, DateFormat.getTimeInstance(DateFormat.LONG));
        assertEquals(modifiedTarget, mf.format(args));
    }


    /*
     * Test method for 'com.ibm.icu.text.MessageFormat.getFormatsByArgumentIndex()'
    public void testGetFormatsByArgumentIndex() {

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     */
    public void testFormatObjectArrayStringBufferFieldPosition() {
        MessageFormat mf = new MessageFormat(pattern, Locale.US);
        StringBuffer buf = new StringBuffer();
        FieldPosition fp = new FieldPosition(0);
        mf.format(args, buf, fp);
        assertEquals(englishTarget, buf.toString());
    }


    /*
     * Test method for 'com.ibm.icu.text.MessageFormat.format(String, Object[])'

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     */
    public void testFormatObjectStringBufferFieldPosition() {
        MessageFormat mf = new MessageFormat(pattern, Locale.US);
        StringBuffer buf = new StringBuffer();
        FieldPosition fp = new FieldPosition(0);
        mf.format((Object)args, buf, fp);
        assertEquals(englishTarget, buf.toString());
    }


    /*
     * Test method for 'com.ibm.icu.text.MessageFormat.parse(String, ParsePosition)'

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     */
    public void testAutoQuoteApostrophe() {
        String str = "Let's meet at {1,time,h 'o'' clock'} at l'Orange Bleue";
        String pat = MessageFormat.autoQuoteApostrophe(str);
        MessageFormat mf = new MessageFormat(pat, Locale.US);
        String result = mf.format(args);
        assertEquals("Let's meet at 8 o' clock at l'Orange Bleue", result);
        assertEquals("Let''s meet at {1,time,h 'o'' clock'} at l''Orange Bleue", pat);
    }


    /*

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            String regPat = getTZLocalizationInfo(locale, REGION_FORMAT);
            if (regPat == null) {
                regPat = DEF_REGION_FORMAT;
            }
            MessageFormat mf = new MessageFormat(regPat);
            return mf.format(new Object[] { country });
        }


        if (city == null) {
            city = tzid.substring(tzid.lastIndexOf('/')+1).replace('_',' ');
        }

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        if (flbPat == null) {
            flbPat = DEF_FALLBACK_FORMAT;
        }
        MessageFormat mf = new MessageFormat(flbPat);


        return mf.format(new Object[] { city, country });
    }


    private static final String DEF_REGION_FORMAT = "{0}";
    private static final String DEF_FALLBACK_FORMAT = "{1} ({0})";

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