ir.webutils
Class SafeHTMLPage

java.lang.Object
  ir.webutils.HTMLPage
      ir.webutils.SafeHTMLPage

public final class SafeHTMLPage
extends HTMLPage

SafeHTMLPage is an immutable representation of information about a web page that includes information about whether or not this page can be indexed. This class is intended to be used in conjunction with SafeHTMLPageRetriever to allow clients to facilitate writing spiders that obey both the Robots Exclusion Protocol and the Robots META tags.

Field Summary

Fields inherited from class ir.webutils.HTMLPage

link, outLinks, text

Constructor Summary

SafeHTMLPage(Link link, java.lang.String text, boolean index)
Constructs an SafeHTMLPage with the given link, text, and indication whether or not indexing is allowed.

Method Summary

boolean

indexAllowed() Indicates whether or not indexing has been disallowed by a Robots META tag.

Methods inherited from class ir.webutils.HTMLPage

addEndSlash, empty, getLink, getOutLinks, getText, setOutLinks, write

Methods inherited from class java.lang.Object

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

Constructor Detail

SafeHTMLPage

public SafeHTMLPage(Link link,
                    java.lang.String text,
                    boolean index)

Constructs an SafeHTMLPage with the given link, text, and indication whether or not indexing is allowed.

Parameters:

link - A Link object representing the given page.

text - The text of the page.

index - Should be true iff. the page can be indexed.

Method Detail

indexAllowed

public boolean indexAllowed()

Indicates whether or not indexing has been disallowed by a Robots META tag. Clients should always call this method before indexing an HTML page if they want to obey the "NOINDEX" directive in the Robots META tag. Clients should also make sure to employ an SafeHTMLPageRetriever that supports Robots META tags, such as SafeHTMLPageRetriever.

Overrides:

indexAllowed in class HTMLPage

Returns:

true iff. the page can be indexed.