gate.util

Class HtmlLinksExtractor

java.lang.Object

javax.swing.text.html.HTMLEditorKit.ParserCallback

gate.util.HtmlLinksExtractor

public class HtmlLinksExtractor
extends HTMLEditorKit.ParserCallback

This class extracts links from HTML files. It has been hacked to build the contents of http://gate.ac.uk/sitemap.html; you probably don't want to use it for anything else!

Implements the behaviour of the HTML reader. Methods of an object of this class are called by the HTML parser when events will appear.

Field Summary

Fields inherited from class javax.swing.text.html.HTMLEditorKit.ParserCallback

IMPLIED

Constructor Summary

Constructors

Constructor and Description
HtmlLinksExtractor()

Method Summary

Methods

Modifier and Type	Method and Description
void	flush() This method is called once, when the HTML parser reaches the end of its input streamin order to notify the parserCallback that there is nothing more to parse.
void	handleComment(char[] text, int pos) This method is called when the HTML parser encounts a comment
void	handleEndTag(HTML.Tag t, int pos) This method is called when the HTML parser encounts the end of a tag that means that the tag is paired by a beginning tag
void	handleError(String errorMsg, int pos) This method is called when the HTML parser encounts an error it depends on the programmer if he wants to deal with that error
void	handleSimpleTag(HTML.Tag t, MutableAttributeSet a, int pos) This method is called when the HTML parser encounts an empty tag
void	handleStartTag(HTML.Tag t, MutableAttributeSet a, int pos) This method is called when the HTML parser encounts the beginning of a tag that means that the tag is paired by an end tag and it's not an empty one.
void	handleText(char[] text, int pos) This method is called when the HTML parser encounts text (PCDATA)
static void	main(String[] args) Extract links from all .html files below a directory

Methods inherited from class javax.swing.text.html.HTMLEditorKit.ParserCallback

handleEndOfLineString

Methods inherited from class java.lang.Object

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

Constructor Detail

HtmlLinksExtractor

public HtmlLinksExtractor()

Method Detail

handleStartTag

public void handleStartTag(HTML.Tag t,
                  MutableAttributeSet a,
                  int pos)

This method is called when the HTML parser encounts the beginning of a tag that means that the tag is paired by an end tag and it's not an empty one.

Overrides:

handleStartTag in class HTMLEditorKit.ParserCallback

handleEndTag

public void handleEndTag(HTML.Tag t,
                int pos)

This method is called when the HTML parser encounts the end of a tag that means that the tag is paired by a beginning tag

Overrides:

handleEndTag in class HTMLEditorKit.ParserCallback

handleSimpleTag

public void handleSimpleTag(HTML.Tag t,
                   MutableAttributeSet a,
                   int pos)

This method is called when the HTML parser encounts an empty tag

Overrides:

handleSimpleTag in class HTMLEditorKit.ParserCallback

handleText

public void handleText(char[] text,
              int pos)

This method is called when the HTML parser encounts text (PCDATA)

Overrides:

handleText in class HTMLEditorKit.ParserCallback

handleError

public void handleError(String errorMsg,
               int pos)

This method is called when the HTML parser encounts an error it depends on the programmer if he wants to deal with that error

Overrides:

handleError in class HTMLEditorKit.ParserCallback

flush

public void flush()
           throws BadLocationException

This method is called once, when the HTML parser reaches the end of its input streamin order to notify the parserCallback that there is nothing more to parse.

Overrides:

flush in class HTMLEditorKit.ParserCallback

Throws:

BadLocationException

handleComment

public void handleComment(char[] text,
                 int pos)

This method is called when the HTML parser encounts a comment

Overrides:

handleComment in class HTMLEditorKit.ParserCallback

main

public static void main(String[] args)

Extract links from all .html files below a directory