下面列出了怎么用java.text.FieldPosition的API类实例代码及写法，或者点击链接到github查看源代码。
@Override
public StringBuffer format(Object obj, StringBuffer toAppendTo, FieldPosition pos) {
Objects.requireNonNull(obj, "obj");
Objects.requireNonNull(toAppendTo, "toAppendTo");
Objects.requireNonNull(pos, "pos");
if (obj instanceof TemporalAccessor == false) {
throw new IllegalArgumentException("Format target must implement TemporalAccessor");
}
pos.setBeginIndex(0);
pos.setEndIndex(0);
try {
formatter.formatTo((TemporalAccessor) obj, toAppendTo);
} catch (RuntimeException ex) {
throw new IllegalArgumentException(ex.getMessage(), ex);
}
return toAppendTo;
}
/**
* Formats a object to produce a string. <code>obj</code> must be either a
* {@link Complex} object or a {@link Number} object. Any other type of
* object will result in an {@link IllegalArgumentException} being thrown.
*
* @param obj the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
* @see java.text.Format#format(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition)
* @throws IllegalArgumentException is <code>obj</code> is not a valid type.
*/
@Override
public StringBuffer format(Object obj, StringBuffer toAppendTo,
FieldPosition pos) {
StringBuffer ret = null;
if (obj instanceof Complex) {
ret = format( (Complex)obj, toAppendTo, pos);
} else if (obj instanceof Number) {
ret = format( new Complex(((Number)obj).doubleValue(), 0.0),
toAppendTo, pos);
} else {
throw MathRuntimeException.createIllegalArgumentException(
"cannot format a {0} instance as a complex number",
obj.getClass().getName());
}
return ret;
}
public StringBuffer format(Object number, StringBuffer toAppendTo, FieldPosition pos) {
final double value;
if (number instanceof Number) {
value = ((Number)number).doubleValue();
if (Double.isInfinite(value) || Double.isNaN(value)) {
return integerFormat.format(number, toAppendTo, pos);
}
} else {
// testBug54786 gets here with a date, so retain previous behaviour
return integerFormat.format(number, toAppendTo, pos);
}
final double abs = Math.abs(value);
if (abs >= 1E11 || (abs <= 1E-10 && abs > 0)) {
return scientificFormat.format(number, toAppendTo, pos);
} else if (Math.floor(value) == value || abs >= 1E10) {
// integer, or integer portion uses all 11 allowed digits
return integerFormat.format(number, toAppendTo, pos);
}
// Non-integers of non-scientific magnitude are formatted as "up to 11
// numeric characters, with the decimal point counting as a numeric
// character". We know there is a decimal point, so limit to 10 digits.
// https://support.microsoft.com/en-us/kb/65903
final double rounded = new BigDecimal(value).round(TO_10_SF).doubleValue();
return decimalFormat.format(rounded, toAppendTo, pos);
}
/**
* Formats the specified number as a hexadecimal string. The decimal
* fraction is ignored.
*
* @param number the number to format.
* @param toAppendTo the buffer to append to (ignored here).
* @param pos the field position (ignored here).
*
* @return The string buffer.
*/
@Override
public StringBuffer format(long number, StringBuffer toAppendTo,
FieldPosition pos) {
String l_hex = Long.toHexString(number).toUpperCase();
int l_pad = this.m_numDigits - l_hex.length();
l_pad = (0 < l_pad) ? l_pad : 0;
StringBuffer l_extended = new StringBuffer("0x");
for (int i = 0; i < l_pad; i++) {
l_extended.append(0);
}
l_extended.append(l_hex);
return l_extended;
}
/**
* Formats the specified number as a hexadecimal string. The decimal
* fraction is ignored.
*
* @param number the number to format.
* @param toAppendTo the buffer to append to (ignored here).
* @param pos the field position (ignored here).
*
* @return The string buffer.
*/
@Override
public StringBuffer format(long number, StringBuffer toAppendTo,
FieldPosition pos) {
String l_hex = Long.toHexString(number).toUpperCase();
int l_pad = this.m_numDigits - l_hex.length();
l_pad = (0 < l_pad) ? l_pad : 0;
StringBuffer l_extended = new StringBuffer("0x");
for (int i = 0; i < l_pad; i++) {
l_extended.append(0);
}
l_extended.append(l_hex);
return l_extended;
}
/**
Appends to <code>sbuf</code> the date in the format "dd MMM yyyy
HH:mm:ss,SSS" for example, "06 Nov 1994 08:49:37,459".
@param sbuf the string buffer to write to
*/
public
StringBuffer format(Date date, StringBuffer sbuf,
FieldPosition fieldPosition) {
calendar.setTime(date);
int day = calendar.get(Calendar.DAY_OF_MONTH);
if(day < 10)
sbuf.append('0');
sbuf.append(day);
sbuf.append(' ');
sbuf.append(shortMonths[calendar.get(Calendar.MONTH)]);
sbuf.append(' ');
int year = calendar.get(Calendar.YEAR);
sbuf.append(year);
sbuf.append(' ');
return super.format(date, sbuf, fieldPosition);
}
/**
* Formats an object and appends the result to a StringBuffer.
* <code>obj</code> must be either a {@link BigFraction} object or a
* {@link BigInteger} object or a {@link Number} object. Any other type of
* object will result in an {@link IllegalArgumentException} being thrown.
*
* @param obj the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
* @see java.text.Format#format(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition)
* @throws IllegalArgumentException is <code>obj</code> is not a valid type.
*/
@Override
public StringBuffer format(final Object obj,
final StringBuffer toAppendTo, final FieldPosition pos) {
final StringBuffer ret;
if (obj instanceof BigFraction) {
ret = format((BigFraction) obj, toAppendTo, pos);
} else if (obj instanceof BigInteger) {
ret = format(new BigFraction((BigInteger) obj), toAppendTo, pos);
} else if (obj instanceof Number) {
ret = format(new BigFraction(((Number) obj).doubleValue()),
toAppendTo, pos);
} else {
throw MathRuntimeException.createIllegalArgumentException(
"cannot format given object as a fraction number");
}
return ret;
}
@Override
public StringBuffer format(Object obj, StringBuffer toAppendTo, FieldPosition pos) {
Objects.requireNonNull(obj, "obj");
Objects.requireNonNull(toAppendTo, "toAppendTo");
Objects.requireNonNull(pos, "pos");
if (obj instanceof TemporalAccessor == false) {
throw new IllegalArgumentException("Format target must implement TemporalAccessor");
}
pos.setBeginIndex(0);
pos.setEndIndex(0);
try {
formatter.formatTo((TemporalAccessor) obj, toAppendTo);
} catch (RuntimeException ex) {
throw new IllegalArgumentException(ex.getMessage(), ex);
}
return toAppendTo;
}
/**
* Formats a {@link BigFraction} object to produce a string. The BigFraction
* is output in proper format.
*
* @param fraction the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
*/
@Override
public StringBuffer format(final BigFraction fraction,
final StringBuffer toAppendTo, final FieldPosition pos) {
pos.setBeginIndex(0);
pos.setEndIndex(0);
BigInteger num = fraction.getNumerator();
BigInteger den = fraction.getDenominator();
BigInteger whole = num.divide(den);
num = num.remainder(den);
if (!BigInteger.ZERO.equals(whole)) {
getWholeFormat().format(whole, toAppendTo, pos);
toAppendTo.append(' ');
if (num.compareTo(BigInteger.ZERO) < 0) {
num = num.negate();
}
}
getNumeratorFormat().format(num, toAppendTo, pos);
toAppendTo.append(" / ");
getDenominatorFormat().format(den, toAppendTo, pos);
return toAppendTo;
}
/**
* Formats a date or time, which is the standard millis
* since January 1, 1970, 00:00:00 GMT.
* <p>Example: using the US locale:
* "yyyy.MM.dd G 'at' HH:mm:ss zzz" ->> 1996.07.10 AD at 15:08:56 PDT
* @param cal the calendar whose date-time value is to be formatted into a date-time string
* @param toAppendTo where the new date-time text is to be appended
* @param pos the formatting position. On input: an alignment field,
* if desired. On output: the offsets of the alignment field.
* @return the formatted date-time string.
* @see DateFormat
*/
@Override
public StringBuffer format(Calendar cal, StringBuffer toAppendTo,
FieldPosition pos) {
TimeZone backupTZ = null;
if (cal != calendar && !cal.getType().equals(calendar.getType())) {
// Different calendar type
// We use the time and time zone from the input calendar, but
// do not use the input calendar for field calculation.
calendar.setTimeInMillis(cal.getTimeInMillis());
backupTZ = calendar.getTimeZone();
calendar.setTimeZone(cal.getTimeZone());
cal = calendar;
}
StringBuffer result = format(cal, getContext(DisplayContext.Type.CAPITALIZATION), toAppendTo, pos, null);
if (backupTZ != null) {
// Restore the original time zone
calendar.setTimeZone(backupTZ);
}
return result;
}
/**
* Formats a {@link BigFraction} object to produce a string. The BigFraction
* is output in proper format.
*
* @param fraction the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
*/
@Override
public StringBuffer format(final BigFraction fraction,
final StringBuffer toAppendTo, final FieldPosition pos) {
pos.setBeginIndex(0);
pos.setEndIndex(0);
BigInteger num = fraction.getNumerator();
BigInteger den = fraction.getDenominator();
BigInteger whole = num.divide(den);
num = num.remainder(den);
if (!BigInteger.ZERO.equals(whole)) {
getWholeFormat().format(whole, toAppendTo, pos);
toAppendTo.append(' ');
if (num.compareTo(BigInteger.ZERO) < 0) {
num = num.negate();
}
}
getNumeratorFormat().format(num, toAppendTo, pos);
toAppendTo.append(" / ");
getDenominatorFormat().format(den, toAppendTo, pos);
return toAppendTo;
}
/**
* Tests the field position while formatting an angle.
*/
@Test
public void testFieldPosition() {
final Latitude latitude = new Latitude(FormattedCharacterIteratorTest.LATITUDE_VALUE);
final AngleFormat f = new AngleFormat("DD°MM′SS.s″", Locale.CANADA);
final StringBuffer buffer = new StringBuffer();
for (int i=AngleFormat.DEGREES_FIELD; i<=AngleFormat.HEMISPHERE_FIELD; i++) {
final AngleFormat.Field field;
final int start, limit;
switch (i) {
case AngleFormat.DEGREES_FIELD: field = AngleFormat.Field.DEGREES; start= 0; limit= 3; break;
case AngleFormat.MINUTES_FIELD: field = AngleFormat.Field.MINUTES; start= 3; limit= 6; break;
case AngleFormat.SECONDS_FIELD: field = AngleFormat.Field.SECONDS; start= 6; limit=11; break;
case AngleFormat.HEMISPHERE_FIELD: field = AngleFormat.Field.HEMISPHERE; start=11; limit=12; break;
default: continue; // Skip the fraction field.
}
final FieldPosition pos = new FieldPosition(field);
assertEquals(FormattedCharacterIteratorTest.LATITUDE_STRING, f.format(latitude, buffer, pos).toString());
assertSame ("getFieldAttribute", field, pos.getFieldAttribute());
assertEquals("getBeginIndex", start, pos.getBeginIndex());
assertEquals("getEndIndex", limit, pos.getEndIndex());
buffer.setLength(0);
}
}
/**
* Formats a {@link Fraction} object to produce a string. The fraction
* is output in proper format.
*
* @param fraction the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
*/
@Override
public StringBuffer format(Fraction fraction, StringBuffer toAppendTo,
FieldPosition pos) {
pos.setBeginIndex(0);
pos.setEndIndex(0);
int num = fraction.getNumerator();
int den = fraction.getDenominator();
int whole = num / den;
num = num % den;
if (whole != 0) {
getWholeFormat().format(whole, toAppendTo, pos);
toAppendTo.append(' ');
num = Math.abs(num);
}
getNumeratorFormat().format(num, toAppendTo, pos);
toAppendTo.append(" / ");
getDenominatorFormat().format(den, toAppendTo,
pos);
return toAppendTo;
}
/**
* Formats an object and appends the result to a StringBuffer. <code>obj</code> must be either a
* {@link Fraction} object or a {@link Number} object. Any other type of
* object will result in an {@link IllegalArgumentException} being thrown.
*
* @param obj the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
* @see java.text.Format#format(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition)
* @throws IllegalArgumentException is <code>obj</code> is not a valid type.
*/
@Override
public StringBuffer format(final Object obj,
final StringBuffer toAppendTo, final FieldPosition pos) {
StringBuffer ret = null;
if (obj instanceof Fraction) {
ret = format((Fraction) obj, toAppendTo, pos);
} else if (obj instanceof Number) {
try {
ret = format(new Fraction(((Number) obj).doubleValue()),
toAppendTo, pos);
} catch (ConvergenceException ex) {
throw MathRuntimeException.createIllegalArgumentException(
"cannot convert given object to a fraction number: {0}",
ex.getLocalizedMessage());
}
} else {
throw MathRuntimeException.createIllegalArgumentException(
"cannot format given object as a fraction number");
}
return ret;
}
/**
* Formats a {@link RealVector} object to produce a string.
* @param vector the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
*/
public StringBuffer format(RealVector vector, StringBuffer toAppendTo,
FieldPosition pos) {
pos.setBeginIndex(0);
pos.setEndIndex(0);
// format prefix
toAppendTo.append(prefix);
// format components
for (int i = 0; i < vector.getDimension(); ++i) {
if (i > 0) {
toAppendTo.append(separator);
}
formatDouble(vector.getEntry(i), format, toAppendTo, pos);
}
// format suffix
toAppendTo.append(suffix);
return toAppendTo;
}
/**
* Formats a {@link BigFraction} object to produce a string. The BigFraction
* is output in proper format.
*
* @param fraction the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
*/
@Override
public StringBuffer format(final BigFraction fraction,
final StringBuffer toAppendTo, final FieldPosition pos) {
pos.setBeginIndex(0);
pos.setEndIndex(0);
BigInteger num = fraction.getNumerator();
BigInteger den = fraction.getDenominator();
BigInteger whole = num.divide(den);
num = num.remainder(den);
if (!BigInteger.ZERO.equals(whole)) {
getWholeFormat().format(whole, toAppendTo, pos);
toAppendTo.append(' ');
if (num.compareTo(BigInteger.ZERO) < 0) {
num = num.negate();
}
}
getNumeratorFormat().format(num, toAppendTo, pos);
toAppendTo.append(" / ");
getDenominatorFormat().format(den, toAppendTo, pos);
return toAppendTo;
}
/**
* Formats a {@link BigFraction} object to produce a string. The BigFraction
* is output in proper format.
*
* @param fraction the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
*/
@Override
public StringBuffer format(final BigFraction fraction,
final StringBuffer toAppendTo, final FieldPosition pos) {
pos.setBeginIndex(0);
pos.setEndIndex(0);
BigInteger num = fraction.getNumerator();
BigInteger den = fraction.getDenominator();
BigInteger whole = num.divide(den);
num = num.remainder(den);
if (!BigInteger.ZERO.equals(whole)) {
getWholeFormat().format(whole, toAppendTo, pos);
toAppendTo.append(' ');
if (num.compareTo(BigInteger.ZERO) < 0) {
num = num.negate();
}
}
getNumeratorFormat().format(num, toAppendTo, pos);
toAppendTo.append(" / ");
getDenominatorFormat().format(den, toAppendTo, pos);
return toAppendTo;
}
private StringBuilder formatMeasure(
Measure measure,
ImmutableNumberFormat nf,
StringBuilder appendTo,
FieldPosition fieldPosition) {
Number n = measure.getNumber();
MeasureUnit unit = measure.getUnit();
if (unit instanceof Currency) {
return appendTo.append(
currencyFormat.format(
new CurrencyAmount(n, (Currency) unit),
new StringBuffer(),
fieldPosition));
}
StringBuffer formattedNumber = new StringBuffer();
StandardPlural pluralForm = QuantityFormatter.selectPlural(
n, nf.nf, rules, formattedNumber, fieldPosition);
String formatter = getPluralFormatter(unit, formatWidth, pluralForm.ordinal());
return QuantityFormatter.format(formatter, formattedNumber, appendTo, fieldPosition);
}
/**
* Formats a {@link Fraction} object to produce a string. The fraction
* is output in proper format.
*
* @param fraction the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
*/
@Override
public StringBuffer format(Fraction fraction, StringBuffer toAppendTo,
FieldPosition pos) {
pos.setBeginIndex(0);
pos.setEndIndex(0);
int num = fraction.getNumerator();
int den = fraction.getDenominator();
int whole = num / den;
num = num % den;
if (whole != 0) {
getWholeFormat().format(whole, toAppendTo, pos);
toAppendTo.append(' ');
num = Math.abs(num);
}
getNumeratorFormat().format(num, toAppendTo, pos);
toAppendTo.append(" / ");
getDenominatorFormat().format(den, toAppendTo,
pos);
return toAppendTo;
}
/**
* Formats a object to produce a string. <code>obj</code> must be either a
* {@link Complex} object or a {@link Number} object. Any other type of
* object will result in an {@link IllegalArgumentException} being thrown.
*
* @param obj the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
* @see java.text.Format#format(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition)
* @throws IllegalArgumentException is <code>obj</code> is not a valid type.
*/
@Override
public StringBuffer format(Object obj, StringBuffer toAppendTo,
FieldPosition pos) {
StringBuffer ret = null;
if (obj instanceof Complex) {
ret = format( (Complex)obj, toAppendTo, pos);
} else if (obj instanceof Number) {
ret = format( new Complex(((Number)obj).doubleValue(), 0.0),
toAppendTo, pos);
} else {
throw MathRuntimeException.createIllegalArgumentException(
"cannot format a {0} instance as a complex number",
obj.getClass().getName());
}
return ret;
}
/**
* Formats an object and appends the result to a StringBuffer.
* <code>obj</code> must be either a {@link BigFraction} object or a
* {@link BigInteger} object or a {@link Number} object. Any other type of
* object will result in an {@link IllegalArgumentException} being thrown.
*
* @param obj the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
* @see java.text.Format#format(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition)
* @throws MathIllegalArgumentException if <code>obj</code> is not a valid type.
*/
@Override
public StringBuffer format(final Object obj,
final StringBuffer toAppendTo, final FieldPosition pos) {
final StringBuffer ret;
if (obj instanceof BigFraction) {
ret = format((BigFraction) obj, toAppendTo, pos);
} else if (obj instanceof BigInteger) {
ret = format(new BigFraction((BigInteger) obj), toAppendTo, pos);
} else if (obj instanceof Number) {
ret = format(new BigFraction(((Number) obj).doubleValue()),
toAppendTo, pos);
} else {
throw new MathIllegalArgumentException(LocalizedFormats.CANNOT_FORMAT_OBJECT_TO_FRACTION);
}
return ret;
}
@Override
public StringBuffer format(Object o, StringBuffer b, FieldPosition p) {
if (ValuesChecker.isNAValue(o)) return b.append(VALUE_NA);
return o instanceof Number ? b.append(NUMBER_FORMAT.format(((Number)o).longValue())).append(dataSuffix) :
o == null ? b : b.append("<unknown>");
}
/**
* Formats a {@link BigFraction} object to produce a string. The BigFraction is
* output in improper format.
*
* @param BigFraction the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
*/
public StringBuffer format(final BigFraction BigFraction,
final StringBuffer toAppendTo, final FieldPosition pos) {
pos.setBeginIndex(0);
pos.setEndIndex(0);
getNumeratorFormat().format(BigFraction.getNumerator(), toAppendTo, pos);
toAppendTo.append(" / ");
getDenominatorFormat().format(BigFraction.getDenominator(), toAppendTo, pos);
return toAppendTo;
}
public String format(int hexNum) throws IllegalArgumentException {
FieldPosition pos = new FieldPosition(0);
StringBuffer hexBuf = new StringBuffer(8);
this.format(new Integer(hexNum), hexBuf, pos);
return hexBuf.toString();
}
/**
* Formats a object to produce a string.
* <p><code>obj</code> must be a {@link Vector3D} object. Any other type of
* object will result in an {@link IllegalArgumentException} being thrown.</p>
* @param obj the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
* @see java.text.Format#format(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition)
* @throws IllegalArgumentException is <code>obj</code> is not a valid type.
*/
@Override
public StringBuffer format(Object obj, StringBuffer toAppendTo,
FieldPosition pos) {
if (obj instanceof Vector3D) {
return format( (Vector3D)obj, toAppendTo, pos);
}
throw MathRuntimeException.createIllegalArgumentException("cannot format a {0} instance as a 3D vector",
obj.getClass().getName());
}
public StringBuffer format(final Object obj, final StringBuffer toAppendTo, final FieldPosition pos) {
if (obj instanceof Date) {
return format((Date) obj, toAppendTo);
} else if (obj instanceof Calendar) {
return format((Calendar) obj, toAppendTo);
} else if (obj instanceof Long) {
return format(((Long) obj).longValue(), toAppendTo);
} else {
throw new IllegalArgumentException("Unknown class: " +
(obj == null ? "<null>" : obj.getClass().getName()));
}
}
/**
* Formats a {@link Fraction} object to produce a string. The fraction is
* output in improper format.
*
* @param fraction the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
*/
public StringBuffer format(final Fraction fraction,
final StringBuffer toAppendTo, final FieldPosition pos) {
pos.setBeginIndex(0);
pos.setEndIndex(0);
getNumeratorFormat().format(fraction.getNumerator(), toAppendTo, pos);
toAppendTo.append(" / ");
getDenominatorFormat().format(fraction.getDenominator(), toAppendTo,
pos);
return toAppendTo;
}
/**
* <p>Formats a <code>Date</code>, <code>Calendar</code> or
* <code>Long</code> (milliseconds) object.</p>
*
* @param obj the object to format
* @param toAppendTo the buffer to append to
* @param pos the position - ignored
* @return the buffer passed in
*/
public StringBuffer format(Object obj, StringBuffer toAppendTo, FieldPosition pos) {
if (obj instanceof Date) {
return format((Date) obj, toAppendTo);
} else if (obj instanceof Calendar) {
return format((Calendar) obj, toAppendTo);
} else if (obj instanceof Long) {
return format(((Long) obj).longValue(), toAppendTo);
} else {
throw new IllegalArgumentException("Unknown class: " +
(obj == null ? "<null>" : obj.getClass().getName()));
}
}
public String getKeyEqualSqlString(boolean fetchContent, boolean fetchTimestamp) {
final String sql = new MessageFormat(format.getKeyEqualsSql(), Locale.ROOT)
.format(new Object[] { getSelectList(fetchContent, fetchTimestamp), tableName, metaTableKey },
new StringBuffer(), new FieldPosition(0))
.toString();
return sql;
}
/**
* Formats a {@link Fraction} object to produce a string. The fraction is
* output in improper format.
*
* @param fraction the object to format.
* @param toAppendTo where the text is to be appended
* @param pos On input: an alignment field, if desired. On output: the
* offsets of the alignment field
* @return the value passed in as toAppendTo.
*/
public StringBuffer format(final Fraction fraction,
final StringBuffer toAppendTo, final FieldPosition pos) {
pos.setBeginIndex(0);
pos.setEndIndex(0);
getNumeratorFormat().format(fraction.getNumerator(), toAppendTo, pos);
toAppendTo.append(" / ");
getDenominatorFormat().format(fraction.getDenominator(), toAppendTo,
pos);
return toAppendTo;
}