Package org.exoplatform.web.controller.regexp

Class Literal

java.lang.Object

org.exoplatform.web.controller.regexp.Literal

public class Literal
extends Object

Author:

Julien Viet

Constructor Summary

Constructors

Constructor	Description
Literal()

Method Summary

Modifier and Type	Method	Description
static void	escapeTo(char value, Appendable appendable)
String	getEscape(char value)	Return the char value as a string literal in a regexp.
static boolean	isEscaped(char c)	Return true if the char should be escaped.

Methods inherited from class java.lang.Object

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

Constructor Details

Literal

public Literal()

Method Details

isEscaped

public static boolean isEscaped(char c)

Return true if the char should be escaped. Note that the implementation sometime may escape the char although the context in which it is used would not require its escape.

Parameters:

c - the char to test

Returns:

true when the char should be escaped.

getEscape

public String getEscape(char value)

Return the char value as a string literal in a regexp. Note that the implementation does not tries to optimize the value with respect to the AST context, (for instance (?) would be fine as (?) but it will rewritten as (\?).

Parameters:

value - the value

Returns:

the escaped string

escapeTo

public static void escapeTo(char value,
 Appendable appendable)
                     throws IOException,
NullPointerException

Throws:

IOException

NullPointerException