com.lightdev.lib.html
Class HTMLFilter

java.lang.Object
  com.lightdev.lib.html.HTMLFilter

All Implemented Interfaces:

XmlParserCallback

public class HTMLFilter
extends Object
implements XmlParserCallback

HTMLFilter parses an HTML input stream using the Light Development XML parser and strips all HTML text returning only content text.

Version:

1, June 26, 2005

Author:

Ulrich Hilger, Light Development, http://www.lightdev.com, info@lightdev.com, published under the terms and conditions of the BSD License, for details see file license.txt in the distribution package of this software

Constructor Summary

HTMLFilter()
construct a new object instance of class HTMLFilter

Method Summary

String	filter(InputStream in) filter a given HTML input stream, i.e. strip all tags and return content text only
String	filter(String expr)
void	handleEndTag(String tagName) handle an end tag, unused here
void	handleStartTag(String tagName, AttributeSet a) handle a start tag, unused here
void	handleText(String text) handle text, i.e. append it to the filtered content buffer

Methods inherited from class java.lang.Object

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

Constructor Detail

HTMLFilter

public HTMLFilter()

construct a new object instance of class HTMLFilter

Method Detail

filter

public String filter(InputStream in)
              throws IOException,
                     IllegalCharacterException

filter a given HTML input stream, i.e. strip all tags and return content text only

Parameters:

in - the HTML input stream

Returns:

a String containing content text with HTML tags removed

Throws:

IOException

IllegalCharacterException

filter

public String filter(String expr)
              throws IOException,
                     IllegalCharacterException

Throws:

IOException

IllegalCharacterException

handleStartTag

public void handleStartTag(String tagName,
                           AttributeSet a)

handle a start tag, unused here

Specified by:

handleStartTag in interface XmlParserCallback

Parameters:

tagName - the name of the tag that has been encountered

a - the attributes of the tag that has been encountered

See Also:

XmlParserCallback.handleStartTag(java.lang.String, javax.swing.text.AttributeSet)

handleEndTag

public void handleEndTag(String tagName)

handle an end tag, unused here

Specified by:

handleEndTag in interface XmlParserCallback

Parameters:

tagName - the name of the tag that has been encountered

See Also:

XmlParserCallback.handleEndTag(java.lang.String)

handleText

public void handleText(String text)

handle text, i.e. append it to the filtered content buffer

Specified by:

handleText in interface XmlParserCallback

Parameters:

text - the text portion that has been parsed

See Also:

XmlParserCallback.handleText(java.lang.String)