org.jbox.webSpider.simpleSpider
Class HtmlVisitor

java.lang.Object
  org.htmlparser.visitors.NodeVisitor
      org.htmlparser.beans.StringBean
          org.jbox.webSpider.simpleSpider.HtmlVisitor

All Implemented Interfaces:

java.io.Serializable

public class HtmlVisitor
extends org.htmlparser.beans.StringBean

A HTML text visitor.

Version:

1.0

Author:

YiBin.H

See Also:

Serialized Form

Field Summary

Fields inherited from class org.htmlparser.beans.StringBean

mBuffer, mCollapse, mCollapseState, mIsPre, mIsScript, mIsStyle, mLinks, mParser, mPropertySupport, mReplaceSpace, mStrings, PROP_COLLAPSE_PROPERTY, PROP_CONNECTION_PROPERTY, PROP_LINKS_PROPERTY, PROP_REPLACE_SPACE_PROPERTY, PROP_STRINGS_PROPERTY, PROP_URL_PROPERTY

Constructor Summary

HtmlVisitor(java.lang.String[] rules)
Constructs a new HTMLVisitor object with an String array of rules.

Method Summary

java.util.LinkedList<java.lang.String>	getLinksUnderRules() Return links in a HTML page which meet the rules.
java.lang.String	getText() Return text without HTML tag.
java.lang.String	getTitle() Return title of a page.
void	parse(java.lang.String html, java.lang.String encoding) Parse HTML text with specified encoding.
void	visitTag(org.htmlparser.Tag tag) Visit HTML Tag.

Methods inherited from class org.htmlparser.beans.StringBean

addPropertyChangeListener, carriageReturn, collapse, extractStrings, getCollapse, getConnection, getLinks, getReplaceNonBreakingSpaces, getStrings, getURL, main, removePropertyChangeListener, setCollapse, setConnection, setLinks, setReplaceNonBreakingSpaces, setStrings, setURL, updateStrings, visitEndTag, visitStringNode

Methods inherited from class org.htmlparser.visitors.NodeVisitor

beginParsing, finishedParsing, shouldRecurseChildren, shouldRecurseSelf, visitRemarkNode

Methods inherited from class java.lang.Object

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

Constructor Detail

HtmlVisitor

public HtmlVisitor(java.lang.String[] rules)

Constructs a new HTMLVisitor object with an String array of rules.

Parameters:

rules - String array containing rules written in REGEXP.

Method Detail

visitTag

public void visitTag(org.htmlparser.Tag tag)

Visit HTML Tag.

Overrides:

visitTag in class org.htmlparser.beans.StringBean

getText

public java.lang.String getText()

Return text without HTML tag.

Returns:

String text without HTML tag.

getLinksUnderRules

public java.util.LinkedList<java.lang.String> getLinksUnderRules()

Return links in a HTML page which meet the rules.

Returns:

LinkedList object containing links in a HTML page which meet the rules.

getTitle

public java.lang.String getTitle()

Return title of a page.

Returns:

the title of a page.

parse

public void parse(java.lang.String html,
                  java.lang.String encoding)
           throws org.htmlparser.util.ParserException

Parse HTML text with specified encoding.

Parameters:

html - String of HTML text to parse.

encoding - String representing encoding for parsing.

Throws:

org.htmlparser.util.ParserException - thrown if fail to parse the html.