com.pervasive.datarush.encoding

Interface TokenParser

All Known Implementing Classes:

BooleanParser, CharParser, DateParser, DefaultDoubleParser, DefaultFloatParser, DefaultIntParser, DefaultLongParser, DefaultNumericParser, DoubleParser, FloatParser, HexBinaryParser, IntParser, ISODateParser, ISOTimeOfDayParser, ISOTimestampParser, LongParser, NumericParser, StringParser, TimeParser, TimestampParser

public interface TokenParser

Converts text values into token values.

Method Summary

Modifier and Type	Method and Description
String	getParseError() When parse method returns false this method can be used to retrieve the specific error message detailing why the parsing failed.
boolean	parse(String text) Parses the given text string into a token value.
void	setTarget(ScalarSettable target) Sets the buffer for holding parsed values.

Method Detail

setTarget

void setTarget(ScalarSettable target)

Sets the buffer for holding parsed values. A reference to this container is held and accessed only when an formatting is requested.

Parameters:

target - the value buffer in which to store parsed values

parse

boolean parse(String text)

Parses the given text string into a token value. If the parse succeeds, the result is stored in the target buffer. If it fails, the contents of the target buffer are unchanged and information regarding failure will be saved that is accessible by calling the getParseError method.

Parameters:

text - text string to convert. Callers should not assume it is safe to pass null.

Returns:

true if the parsing succeeded, false otherwise.

getParseError

String getParseError()

When parse method returns false this method can be used to retrieve the specific error message detailing why the parsing failed. If the last parse was successful an empty string will be returned

Returns:

a message detailing any parse errors that occurred during the last call to parse.