student.web

Class WebBot.PageLocation

java.lang.Object

student.web.WebBot.PageLocation

Enclosing class:

WebBot

protected static class WebBot.PageLocation
extends Object

Represents a bot location on a specific web page.

Field Summary

Fields

Modifier and Type	Field and Description
WebBot.Page	page The page containing this location.
int	pos The position within the list of elements of interest.

Constructor Summary

Constructors

Constructor and Description
PageLocation(WebBot.Page p) Create a new page location with its own list of elements of interest.

Method Summary

Modifier and Type	Method and Description
HtmlElement	currentElt() Get the current element.
List<HtmlElement>	elts() Get the current list of elements of interest.
boolean	hasCurrentElt() Determine whether this position refers to a current element.
int	len() Get the length of the current list of elements of interest.
void	setElementXpath(String xpath) Set the xpath expression defining the elements of interest on this page, which will reset the current position and the current lis of elements of interest.

Methods inherited from class java.lang.Object

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

Field Detail

page

public WebBot.Page page

The page containing this location.

pos

public int pos

The position within the list of elements of interest.

Constructor Detail

PageLocation

public PageLocation(WebBot.Page p)

Create a new page location with its own list of elements of interest.

Parameters:

p - The page

Method Detail

setElementXpath

public void setElementXpath(String xpath)

Set the xpath expression defining the elements of interest on this page, which will reset the current position and the current lis of elements of interest.

Parameters:

xpath - The new xpath expression

len

public int len()

Get the length of the current list of elements of interest. Use this instead of elts().size() where possible.

Returns:

The number of elements of interest on this page.

elts

public List<HtmlElement> elts()

Get the current list of elements of interest.

Returns:

The list of elements of interest

hasCurrentElt

public boolean hasCurrentElt()

Determine whether this position refers to a current element.

Returns:

True if this position is standing on an element

currentElt

public HtmlElement currentElt()

Get the current element.

Returns:

The current element, or null if none