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commonj.sdo.helper
Interface DataHelper

All Known Implementing Classes:

SDODataHelper

public interface DataHelper

Data helper methods.

Field Summary

static DataHelper

INSTANCE The default DataHelper.

Method Summary

java.lang.Object	convert(Property property, java.lang.Object value) Convert the specified value to an instance of the specified property's type.
java.lang.Object	convert(Type type, java.lang.Object value) Convert the specified value to an instance of the specified type.
java.util.Calendar	toCalendar(java.lang.String dateString) Convert from a String representation of an SDO date type to a Calendar using the default locale.
java.util.Calendar	toCalendar(java.lang.String dateString, java.util.Locale locale) Convert from a String representation of an SDO date type to a Calendar using the specified locale, or the default locale if the locale is null.
java.util.Date	toDate(java.lang.String dateString) Convert from a String representation of an SDO date type to a Date.
java.lang.String	toDateTime(java.util.Calendar calendar) Convert from a Calendar to a String representation of the DateTime type.
java.lang.String	toDateTime(java.util.Date date) Convert from a Date to a String representation of the DateTime type.
java.lang.String	toDay(java.util.Calendar calendar) Convert from a Calendar to a String representation of the Day type.
java.lang.String	toDay(java.util.Date date) Convert from a Date to a String representation of the Day type.
java.lang.String	toDuration(java.util.Calendar calendar) Deprecated. There is no accepted algorithm to convert a date into a Duration so use of this method is discouraged. Convert from a Calendar to a String representation of the Duration type.
java.lang.String	toDuration(java.util.Date date) Deprecated. There is no accepted algorithm to convert a date into a Duration so use of this method is discouraged. Convert from a Date to a String representation of the Duration type.
java.lang.String	toMonth(java.util.Calendar calendar) Convert from a Calendar to a String representation of the Month type.
java.lang.String	toMonth(java.util.Date date) Convert from a Date to a String representation of the Month type.
java.lang.String	toMonthDay(java.util.Calendar calendar) Convert from a Calendar to a String representation of the MonthDay type.
java.lang.String	toMonthDay(java.util.Date date) Convert from a Date to a String representation of the MonthDay type.
java.lang.String	toTime(java.util.Calendar calendar) Convert from a Calendar to a String representation of the Time type.
java.lang.String	toTime(java.util.Date date) Convert from a Date to a String representation of the Time type.
java.lang.String	toYear(java.util.Calendar calendar) Convert from a Calendar to a String representation of the Year type.
java.lang.String	toYear(java.util.Date date) Convert from a Date to a String representation of the Year type.
java.lang.String	toYearMonth(java.util.Calendar calendar) Convert from a Calendar to a String representation of the YearMonth type.
java.lang.String	toYearMonth(java.util.Date date) Convert from a Date to a String representation of the YearMonth type.
java.lang.String	toYearMonthDay(java.util.Calendar calendar) Convert from a Calendar to a String representation of the YearMonthDay type.
java.lang.String	toYearMonthDay(java.util.Date date) Convert from a Date to a String representation of the YearMonthDay type.

Field Detail

INSTANCE

static final DataHelper INSTANCE

The default DataHelper.

Method Detail

toDate

java.util.Date toDate(java.lang.String dateString)

Convert from a String representation of an SDO date type to a Date.

Parameters:

dateString - the String representation of an SDO date type

Returns:

a Date representation of an SDO date type.

Throws:

java.lang.IllegalArgumentException - for invalid formats.

toCalendar

java.util.Calendar toCalendar(java.lang.String dateString)

Convert from a String representation of an SDO date type to a Calendar using the default locale. Same as toCalendar(dateString, null).

Parameters:

dateString - the String representation of an SDO date type

Returns:

a Calendar representation of an SDO date type.

Throws:

java.lang.IllegalArgumentException - for invalid formats.

toCalendar

java.util.Calendar toCalendar(java.lang.String dateString,
                              java.util.Locale locale)

Convert from a String representation of an SDO date type to a Calendar using the specified locale, or the default locale if the locale is null.

Parameters:

dateString - the String representation of an SDO date type

locale - the locale or null for default locale.

Returns:

a Calendar representation of an SDO date type.

Throws:

java.lang.IllegalArgumentException - for invalid formats.

toDateTime

java.lang.String toDateTime(java.util.Date date)

Convert from a Date to a String representation of the DateTime type.

Parameters:

date - the date

Returns:

a Date to a String representation of the DateTime type.

toDuration

java.lang.String toDuration(java.util.Date date)

Deprecated. There is no accepted algorithm to convert a date into a Duration so use of this method is discouraged. Convert from a Date to a String representation of the Duration type.

Parameters:

date - the date

Returns:

a Date to a String representation of the Duration type.

toTime

java.lang.String toTime(java.util.Date date)

Convert from a Date to a String representation of the Time type.

Parameters:

date - the date

Returns:

a Date to a String representation of the Time type.

toDay

java.lang.String toDay(java.util.Date date)

Convert from a Date to a String representation of the Day type.

Parameters:

date - the date

Returns:

a Date to a String representation of the Day type.

toMonth

java.lang.String toMonth(java.util.Date date)

Convert from a Date to a String representation of the Month type.

Parameters:

date - the date

Returns:

a Date to a String representation of the Month type.

toMonthDay

java.lang.String toMonthDay(java.util.Date date)

Convert from a Date to a String representation of the MonthDay type.

Parameters:

date - the date

Returns:

a Date to a String representation of the MonthDay type.

toYear

java.lang.String toYear(java.util.Date date)

Convert from a Date to a String representation of the Year type.

Parameters:

date - the date

Returns:

a Date to a String representation of the Year type.

toYearMonth

java.lang.String toYearMonth(java.util.Date date)

Convert from a Date to a String representation of the YearMonth type.

Parameters:

date - the date

Returns:

a Date to a String representation of the YearMonth type.

toYearMonthDay

java.lang.String toYearMonthDay(java.util.Date date)

Convert from a Date to a String representation of the YearMonthDay type.

Parameters:

date - the date

Returns:

a Date to a String representation of the YearMonthDay type.

toDateTime

java.lang.String toDateTime(java.util.Calendar calendar)

Convert from a Calendar to a String representation of the DateTime type.

Parameters:

calendar - the calendar to convert

Returns:

a Calendar to a String representation of the DateTime type.

toDuration

java.lang.String toDuration(java.util.Calendar calendar)

Deprecated. There is no accepted algorithm to convert a date into a Duration so use of this method is discouraged. Convert from a Calendar to a String representation of the Duration type.

Parameters:

calendar - the calendar to convert

Returns:

a Calendar to a String representation of the Duration type.

toTime

java.lang.String toTime(java.util.Calendar calendar)

Convert from a Calendar to a String representation of the Time type.

Parameters:

calendar - the calendar to convert

Returns:

a Calendar to a String representation of the Time type.

toDay

java.lang.String toDay(java.util.Calendar calendar)

Convert from a Calendar to a String representation of the Day type.

Parameters:

calendar - the calendar to convert

Returns:

a Calendar to a String representation of the Day type.

toMonth

java.lang.String toMonth(java.util.Calendar calendar)

Convert from a Calendar to a String representation of the Month type.

Parameters:

calendar - the calendar to convert

Returns:

a Calendar to a String representation of the Month type.

toMonthDay

java.lang.String toMonthDay(java.util.Calendar calendar)

Convert from a Calendar to a String representation of the MonthDay type.

Parameters:

calendar - the calendar to convert

Returns:

a Calendar to a String representation of the MonthDay type.

toYear

java.lang.String toYear(java.util.Calendar calendar)

Convert from a Calendar to a String representation of the Year type.

Parameters:

calendar - the calendar to convert

Returns:

a Calendar to a String representation of the Year type.

toYearMonth

java.lang.String toYearMonth(java.util.Calendar calendar)

Convert from a Calendar to a String representation of the YearMonth type.

Parameters:

calendar - the calendar to convert

Returns:

a Calendar to a String representation of the YearMonth type.

toYearMonthDay

java.lang.String toYearMonthDay(java.util.Calendar calendar)

Convert from a Calendar to a String representation of the YearMonthDay type.

Parameters:

calendar - the calendar to convert

Returns:

a Calendar to a String representation of the YearMonthDay type.

convert

java.lang.Object convert(Type type,
                         java.lang.Object value)

Convert the specified value to an instance of the specified type. Supported conversions are listed in Section 16 of the SDO specification.

Parameters:

type - the target data type.

value - the value to convert

Returns:

a value of the specified type's instance class

Throws:

java.lang.IllegalArgumentException - if the value could not be converted

See Also:

convert(Property, Object)

convert

java.lang.Object convert(Property property,
                         java.lang.Object value)

Convert the specified value to an instance of the specified property's type. The specified value must be a List if the property is many valued. In this case, all the values in the List are converted.

Parameters:

property - the target data type property.

value - the value or List of values to convert

Returns:

a converted value or list of converted values

Throws:

java.lang.IllegalArgumentException - if the value could not be converted

See Also:

convert(Type, Object)

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