Class DetectingParser<T>

java.lang.Object

org.ojalgo.netio.DetectingParser<T>

All Implemented Interfaces:

BasicParser<T>, TextLineReader.Parser<T>

Direct Known Subclasses:

DatePriceParser

public abstract class DetectingParser<T>
extends Object
implements BasicParser<T>

Will detect which delegate parser to use. Must be able to determine that from the first line read. You supply a collection of parsers paired with logic to test if they can handle the proposed line or not.

See Also:

• DatePriceParser

Field Summary

Fields

Modifier and Type	Field	Description
private final TextLineReader.Parser<T>	myDefaultParser
private final List<KeyValue<Predicate<String>, TextLineReader.Parser<? extends T>>>	myPotentialParsers
private TextLineReader.Parser<? extends T>	mySelectedParser

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DetectingParser(TextLineReader.Parser<T> defaultParser)

Method Summary

Modifier and Type	Method	Description
protected void	addPotentialParser(Predicate<String> predicate, TextLineReader.Parser<? extends T> parser)
T	parse(String line)	Parse one line into some custom object.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface BasicParser

parse, parse, parse, parse, parse, parse, parse, parse

Field Details

myPotentialParsers

private final List<KeyValue<Predicate<String>, TextLineReader.Parser<? extends T>>> myPotentialParsers

mySelectedParser

private TextLineReader.Parser<? extends T> mySelectedParser

myDefaultParser

private final TextLineReader.Parser<T> myDefaultParser

Constructor Details

DetectingParser

protected DetectingParser(TextLineReader.Parser<T> defaultParser)

Method Details

parse

public T parse(String line)

Description copied from interface: TextLineReader.Parser

Parse one line into some custom object. Returning null indicates that parsing failed!

Specified by:

parse in interface TextLineReader.Parser<T>

Parameters:

line - The text line to parse

Returns:

An object containing (referencing) the parsed data

addPotentialParser

protected void addPotentialParser(Predicate<String> predicate,
 TextLineReader.Parser<? extends T> parser)