Package com.ibm.icu.text

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

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        String pat = ",##0.0000";
        DecimalFormat dec = new DecimalFormat(pat);
        dec.setRoundingMode(BigDecimal.ROUND_HALF_UP);
        double roundinginc = 0.0001;
        dec.setRoundingIncrement(roundinginc);
        String str = dec.format(number);
        if (!str.equals(expected)) {
            errln("Fail: " + number + " x \"" + pat + "\" = \"" +
                  str + "\", expected \"" + expected + "\"");
        }  
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        }  

        pat = ",##0.0001";
        dec = new DecimalFormat(pat);
        dec.setRoundingMode(BigDecimal.ROUND_HALF_UP);
        str = dec.format(number);
        if (!str.equals(expected)) {
            errln("Fail: " + number + " x \"" + pat + "\" = \"" +
                  str + "\", expected \"" + expected + "\"");
        } 
       
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        dec = new DecimalFormat(pat);
        BigDecimal bignumber = new BigDecimal("8.888888888888888888885");
        expected = "8.88888888888888888889";
       
        dec.setRoundingMode(BigDecimal.ROUND_HALF_UP);
        str = dec.format(bignumber);
        if (!str.equals(expected)) {
            errln("Fail: " + bignumber + " x \"" + pat + "\" = \"" +
                  str + "\", expected \"" + expected + "\"");
        }  
       
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        logln("" + d + " formatted to " + res1);

        res2 = pat.format(l, res2, pos2);
        logln("" + l + " formatted to " + res2);

        res3 = cust1.format(d, res3, pos3);
        logln("" + d + " formatted to " + res3);

        res4 = cust1.format(l, res4, pos4);
        logln("" + l + " formatted to " + res4);
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        logln("" + l + " formatted to " + res2);

        res3 = cust1.format(d, res3, pos3);
        logln("" + d + " formatted to " + res3);

        res4 = cust1.format(l, res4, pos4);
        logln("" + l + " formatted to " + res4);

        // ======= Test parse()

        logln("Testing parse()");
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    {
        DecimalFormat decfmt = new DecimalFormat();
        StringBuffer buf = new StringBuffer();

        FieldPosition fposByInt = new FieldPosition(NumberFormat.INTEGER_FIELD);
        decfmt.format(123, buf, fposByInt);

        buf.setLength(0);
        FieldPosition fposByField = new FieldPosition(NumberFormat.Field.INTEGER);
        decfmt.format(123, buf, fposByField);
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        FieldPosition fposByInt = new FieldPosition(NumberFormat.INTEGER_FIELD);
        decfmt.format(123, buf, fposByInt);

        buf.setLength(0);
        FieldPosition fposByField = new FieldPosition(NumberFormat.Field.INTEGER);
        decfmt.format(123, buf, fposByField);

        if (fposByInt.getEndIndex() != fposByField.getEndIndex())
        {
            errln("ERROR: End index for integer field - fposByInt:" + fposByInt.getEndIndex() +
                " / fposByField: " + fposByField.getEndIndex());
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            "#000.0"         
        };
       
        for(int i=0; i < patterns.length; i++) {
            df.applyPattern(patterns[i]);
            numstr = df.format(5);       
            try {
                Number n = df.parse(numstr);
                logln("INFO: Parsed " + numstr + " -> " + n);
            } catch (ParseException pe) {
                errln("ERROR: Failed round trip with strict parsing.");
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    }

    public static String formatNumber(Object data) {

        DecimalFormat numberFormat = new DecimalFormat("0.00E00");
        return numberFormat.format((Number) data);

    }

    public static String getPattern(Object data, String val) {
        if (val != null && data instanceof Date) {
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                errln("Number format creation failed for " + locale[i].getDisplayName());
                continue;
            }
            FieldPosition pos = new FieldPosition(0);
            buffer.setLength(0);
            form.format(myNumber, buffer, pos);
            parsePos.setIndex(0);
            Object result = form.parse(buffer.toString(), parsePos);
            logln(locale[i].getDisplayName() + " -> " + result);
            if (parsePos.getIndex() != buffer.length()) {
                errln("Number format parse failed.");
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