Package us.codecraft.webmagic.selector

Class RegexSelector

java.lang.Object

us.codecraft.webmagic.selector.RegexSelector

All Implemented Interfaces:

Selector

public class RegexSelector
extends Object
implements Selector

Selector in regex.

Since:

0.1.0

Author:

code4crafter@gmail.com

Constructor Summary

Constructors

Constructor	Description
RegexSelector(String regexStr)	Create a RegexSelector.
RegexSelector(String regexStr, int group)

Method Summary

Modifier and Type	Method	Description
String	select(String text)	Extract single result in text. If there are more than one result, only the first will be chosen.
us.codecraft.webmagic.selector.RegexResult	selectGroup(String text)
List<us.codecraft.webmagic.selector.RegexResult>	selectGroupList(String text)
List<String>	selectList(String text)	Extract all results in text.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

RegexSelector

public RegexSelector(String regexStr,
 int group)

RegexSelector

public RegexSelector(String regexStr)

Create a RegexSelector. When there is no capture group, the value is set to 0 else set to 1.

Parameters:

regexStr - the regular expression.

Method Details

select

public String select(String text)

Description copied from interface: Selector

Extract single result in text.
If there are more than one result, only the first will be chosen.

Specified by:

select in interface Selector

Parameters:

text - text

Returns:

result

selectList

public List<String> selectList(String text)

Description copied from interface: Selector

Extract all results in text.

Specified by:

selectList in interface Selector

Parameters:

text - text

Returns:

results

selectGroup

public us.codecraft.webmagic.selector.RegexResult selectGroup(String text)

selectGroupList

public List<us.codecraft.webmagic.selector.RegexResult> selectGroupList(String text)

toString

public String toString()

Overrides:

toString in class Object