Package com.digitalpebble.stormcrawler.filtering.regex

Class RegexRule

java.lang.Object

com.digitalpebble.stormcrawler.filtering.regex.RegexRule

public abstract class RegexRule
extends Object

A generic regular expression rule. Borrowed from Apache Nutch 1.9.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RegexRule(boolean sign, String regex)	Constructs a new regular expression rule.

Method Summary

Modifier and Type	Method	Description
protected boolean	accept()	Return if this rule is used for filtering-in or out.
protected abstract boolean	match(String url)	Checks if a url matches this rule.

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexRule

protected RegexRule(boolean sign,
                    String regex)

Constructs a new regular expression rule.

Parameters:

sign - specifies if this rule must filter-in or filter-out. A true value means that any url matching this rule must be accepted, a false value means that any url matching this rule must be rejected.

regex - is the regular expression used for matching (see match(String) method).

Method Detail

accept

protected boolean accept()

Return if this rule is used for filtering-in or out.

Returns:

true if any url matching this rule must be accepted, otherwise false.

match

protected abstract boolean match(String url)

Checks if a url matches this rule.

Parameters:

url - is the url to check.

Returns:

true if the specified url matches this rule, otherwise false .