prefuse.data.parser
Class BooleanParser

java.lang.Object
  prefuse.data.parser.BooleanParser

All Implemented Interfaces:

DataParser

public class BooleanParser
extends java.lang.Object
implements DataParser

DataParser instance that parses boolean values. The string "true" is parsed to true values, "false" to false values. Both are case insensitive.

Author:

jeffrey heer

Field Summary

static java.lang.String	FALSE Text string indicating a "false" value.
static java.lang.String	TRUE Text string indicating a "true" value.

Constructor Summary

BooleanParser()

Method Summary

boolean	canParse(java.lang.String text) Indicates if the given text string can be successfully parsed by this parser.
java.lang.String	format(java.lang.Object value) Get a String representation for the given value.
java.lang.Class	getType() Returns boolean.class.
java.lang.Object	parse(java.lang.String text) Parse the given text string to a data value.
boolean	parseBoolean(java.lang.String text) Parse a boolean value from a text string

Methods inherited from class java.lang.Object

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

Field Detail

TRUE

public static final java.lang.String TRUE

Text string indicating a "true" value.

See Also:

Constant Field Values

FALSE

public static final java.lang.String FALSE

Text string indicating a "false" value.

See Also:

Constant Field Values

Constructor Detail

BooleanParser

public BooleanParser()

Method Detail

getType

public java.lang.Class getType()

Returns boolean.class.

Specified by:

getType in interface DataParser

Returns:

the parsed data type for this parser as a Java Class instance

See Also:

DataParser.getType()

format

public java.lang.String format(java.lang.Object value)

Description copied from interface: DataParser

Get a String representation for the given value.

Specified by:

format in interface DataParser

Parameters:

value - the object value to format

Returns:

a formatted String representing the input value

See Also:

DataParser.format(java.lang.Object)

canParse

public boolean canParse(java.lang.String text)

Description copied from interface: DataParser

Indicates if the given text string can be successfully parsed by this parser.

Specified by:

canParse in interface DataParser

Parameters:

text - the text string to check for parsability

Returns:

true if the string can be successfully parsed into this parser's data type, false otherwise

See Also:

DataParser.canParse(java.lang.String)

parse

public java.lang.Object parse(java.lang.String text)
                       throws DataParseException

Description copied from interface: DataParser

Parse the given text string to a data value.

Specified by:

parse in interface DataParser

Parameters:

text - the text string to parse

Returns:

the parsed data value, which will be an instance of the Class returned by the DataParser.getType() method

Throws:

DataParseException - if an error occurs during parsing

See Also:

DataParser.parse(java.lang.String)

parseBoolean

public boolean parseBoolean(java.lang.String text)
                     throws DataParseException

Parse a boolean value from a text string

Parameters:

text - the text string to parse

Returns:

the parsed boolean value

Throws:

DataParseException - if an error occurs during parsing