us.codecraft.webmagic.selector

Class AbstractSelectable

java.lang.Object

us.codecraft.webmagic.selector.AbstractSelectable

All Implemented Interfaces:

Selectable

Direct Known Subclasses:

HtmlNode, PlainText

public abstract class AbstractSelectable
extends Object
implements Selectable

Since:

0.5.2

Author:

code4crafer@gmail.com

Constructor Summary

Constructors

Constructor and Description
AbstractSelectable()

Method Summary

Modifier and Type	Method and Description
List<String>	all() multi string result
Selectable	css(String selector) select list with css selector
Selectable	css(String selector, String attrName) select list with css selector
String	get() single string result
String	getFirstSourceText()
protected abstract List<String>	getSourceTexts()
Selectable	jsonPath(String jsonPath) extract by JSON Path expression
boolean	match() if result exist for select
Selectable	regex(String regex) select list with regex, default group is group 1
Selectable	regex(String regex, int group) select list with regex
Selectable	replace(String regex, String replacement) replace with regex
Selectable	select(Selector selector) extract by custom selector
protected Selectable	select(Selector selector, List<String> strings)
Selectable	selectList(Selector selector) extract by custom selector
protected Selectable	selectList(Selector selector, List<String> strings)
String	toString() single string result

Methods inherited from class java.lang.Object

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

Methods inherited from interface us.codecraft.webmagic.selector.Selectable

$, $, links, nodes, smartContent, xpath

Constructor Detail

AbstractSelectable

public AbstractSelectable()

Method Detail

getSourceTexts

protected abstract List<String> getSourceTexts()

css

public Selectable css(String selector)

Description copied from interface: Selectable

select list with css selector

Specified by:

css in interface Selectable

Parameters:

selector - css selector expression

Returns:

new Selectable after extract

css

public Selectable css(String selector,
                      String attrName)

Description copied from interface: Selectable

select list with css selector

Specified by:

css in interface Selectable

Parameters:

selector - css selector expression

attrName - attribute name of css selector

Returns:

new Selectable after extract

select

protected Selectable select(Selector selector,
                            List<String> strings)

selectList

protected Selectable selectList(Selector selector,
                                List<String> strings)

all

public List<String> all()

Description copied from interface: Selectable

multi string result

Specified by:

all in interface Selectable

Returns:

multi string result

jsonPath

public Selectable jsonPath(String jsonPath)

Description copied from interface: Selectable

extract by JSON Path expression

Specified by:

jsonPath in interface Selectable

Parameters:

jsonPath - jsonPath

Returns:

result

get

public String get()

Description copied from interface: Selectable

single string result

Specified by:

get in interface Selectable

Returns:

single string result

select

public Selectable select(Selector selector)

Description copied from interface: Selectable

extract by custom selector

Specified by:

select in interface Selectable

Parameters:

selector - selector

Returns:

result

selectList

public Selectable selectList(Selector selector)

Description copied from interface: Selectable

extract by custom selector

Specified by:

selectList in interface Selectable

Parameters:

selector - selector

Returns:

result

regex

public Selectable regex(String regex)

Description copied from interface: Selectable

select list with regex, default group is group 1

Specified by:

regex in interface Selectable

Parameters:

regex - regex

Returns:

new Selectable after extract

regex

public Selectable regex(String regex,
                        int group)

Description copied from interface: Selectable

select list with regex

Specified by:

regex in interface Selectable

Parameters:

regex - regex

group - group

Returns:

new Selectable after extract

replace

public Selectable replace(String regex,
                          String replacement)

Description copied from interface: Selectable

replace with regex

Specified by:

replace in interface Selectable

Parameters:

regex - regex

replacement - replacement

Returns:

new Selectable after extract

getFirstSourceText

public String getFirstSourceText()

toString

public String toString()

Description copied from interface: Selectable

single string result

Specified by:

toString in interface Selectable

Overrides:

toString in class Object

Returns:

single string result

match

public boolean match()

Description copied from interface: Selectable

if result exist for select

Specified by:

match in interface Selectable

Returns:

true if result exist