XpathSelector (webmagic 1.0.0-SNAPSHOT API)

java.lang.Object
- us.codecraft.webmagic.selector.BaseElementSelector
- - us.codecraft.webmagic.selector.XpathSelector

All Implemented Interfaces:

ElementSelector, Selector
```
public class XpathSelector
extends BaseElementSelector
```
XPath selector based on Xsoup.

Since:

0.3.0

Author:

code4crafter@gmail.com

Constructor Summary

Constructors
Constructor Description

XpathSelector(java.lang.String xpathStr)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`hasAttribute()`
`java.lang.String`	`select(org.jsoup.nodes.Element element)`	Extract single result in text. If there are more than one result, only the first will be chosen.
`org.jsoup.nodes.Element`	`selectElement(org.jsoup.nodes.Element element)`
`java.util.List<org.jsoup.nodes.Element>`	`selectElements(org.jsoup.nodes.Element element)`
`java.util.List<java.lang.String>`	`selectList(org.jsoup.nodes.Element element)`	Extract all results in text.

Methods inherited from class us.codecraft.webmagic.selector.BaseElementSelector
select, selectElement, selectElements, selectList

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - XpathSelector
```
public XpathSelector(java.lang.String xpathStr)
```
- Method Detail
  - select
```
public java.lang.String select(org.jsoup.nodes.Element element)
```
    Description copied from interface: ElementSelector
    
    Extract single result in text.
    If there are more than one result, only the first will be chosen.
    
    Parameters:
    
    element - element
    
    Returns:
    
    result
  - selectList
```
public java.util.List<java.lang.String> selectList(org.jsoup.nodes.Element element)
```
    Description copied from interface: ElementSelector
    
    Extract all results in text.
    
    Parameters:
    
    element - element
    
    Returns:
    
    results
  - selectElement
```
public org.jsoup.nodes.Element selectElement(org.jsoup.nodes.Element element)
```
    Specified by:
    
    selectElement in class BaseElementSelector
  - selectElements
```
public java.util.List<org.jsoup.nodes.Element> selectElements(org.jsoup.nodes.Element element)
```
    Specified by:
    
    selectElements in class BaseElementSelector
  - hasAttribute
```
public boolean hasAttribute()
```
    Specified by:
    
    hasAttribute in class BaseElementSelector