Package dev.prozilla.pine.common.util.parser

Class ListParser<E>

java.lang.Object

dev.prozilla.pine.common.util.parser.Parser<List<E>>

dev.prozilla.pine.common.util.parser.ListParser<E>

Type Parameters:

E - The type of elements in the result

All Implemented Interfaces:

Printable

public class ListParser<E>
extends Parser<List<E>>

Parser that parses a list of elements using another parser.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	ListParser.ElementParsingFailPolicy	Policy that determines how elements are handled when they can't be parsed successfully.

Field Summary

Fields

Modifier and Type	Field	Description
static final ListParser.ElementParsingFailPolicy	DEFAULT_POLICY
static final String	DEFAULT_SEPARATOR
protected Parser<E>	elementParser	Parser used to parse elements of a list.
protected ListParser.ElementParsingFailPolicy	policy	The policy that determines how input elements are handled that the elementParser fails to parse.
protected String	separator	The symbol that separates elements in an input string.

Fields inherited from class dev.prozilla.pine.common.util.parser.Parser

GENERIC_ERROR, UNEXPECTED_END_OF_INPUT_ERROR

Constructor Summary

Constructors

Constructor	Description
ListParser(Parser<E> elementParser)
ListParser(Parser<E> elementParser, String separator)
ListParser(Parser<E> elementParser, String separator, ListParser.ElementParsingFailPolicy policy)

Method Summary

Modifier and Type	Method	Description
protected List<E>	createList()	Creates the initial list used to compose the parsing result.
protected String	getRegex()	Returns the regex based on the separator of this parser.
boolean	parse(String input)	Parses a string.
void	setElementParser(Parser<E> elementParser)
void	setPolicy(ListParser.ElementParsingFailPolicy policy)
void	setSeparator(String separator)

Methods inherited from class dev.prozilla.pine.common.util.parser.Parser

fail, fail, getError, getResult, parseProperty, read, succeed, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface dev.prozilla.pine.common.Printable

print, print

Field Details

elementParser

protected Parser<E> elementParser

Parser used to parse elements of a list.

separator

protected String separator

The symbol that separates elements in an input string.

policy

protected ListParser.ElementParsingFailPolicy policy

The policy that determines how input elements are handled that the elementParser fails to parse.

DEFAULT_SEPARATOR

public static final String DEFAULT_SEPARATOR

See Also:

• Constant Field Values

DEFAULT_POLICY

public static final ListParser.ElementParsingFailPolicy DEFAULT_POLICY

Constructor Details

ListParser

public ListParser(Parser<E> elementParser)

ListParser

public ListParser(Parser<E> elementParser,
 String separator)

ListParser

public ListParser(Parser<E> elementParser,
 String separator,
 ListParser.ElementParsingFailPolicy policy)

Method Details

parse

public boolean parse(String input)

Description copied from class: Parser

Parses a string.

Specified by:

parse in class Parser<List<E>>

Parameters:

input - The input string to parse

Returns:

true if the parsing succeeded.

createList

protected List<E> createList()

Creates the initial list used to compose the parsing result.

Returns:

The initial list

getRegex

protected String getRegex()

Returns the regex based on the separator of this parser.

Returns:

The regex based on the separator

setElementParser

public void setElementParser(Parser<E> elementParser)

setSeparator

public void setSeparator(String separator)

setPolicy

public void setPolicy(ListParser.ElementParsingFailPolicy policy)