org.opencms.util
Class CmsHtml2TextConverter

java.lang.Object
  org.htmlparser.visitors.NodeVisitor
      org.opencms.util.CmsHtmlParser
          org.opencms.util.CmsHtml2TextConverter

All Implemented Interfaces:

I_CmsHtmlNodeVisitor

public class CmsHtml2TextConverter
extends CmsHtmlParser

Extracts the HTML page content.

Field Summary

Fields inherited from class org.opencms.util.CmsHtmlParser

m_echo, m_noAutoCloseTags, m_result, TAG_ARRAY, TAG_LIST

Constructor Summary

CmsHtml2TextConverter()
Creates a new instance of the html converter.

Method Summary

static java.lang.String	html2text(java.lang.String html, java.lang.String encoding) Extracts the text from the given html content, assuming the given html encoding.
void	visitEndTag(org.htmlparser.Tag tag) Visitor method (callback) invoked when a closing Tag is encountered.
void	visitStringNode(org.htmlparser.Text text) Visitor method (callback) invoked when a remark Tag (HTML comment) is encountered.
void	visitTag(org.htmlparser.Tag tag) Visitor method (callback) invoked when a starting Tag (HTML comment) is encountered.

Methods inherited from class org.opencms.util.CmsHtmlParser

collapse, configureNoAutoCorrectionTags, getConfiguration, getNoAutoCloseTags, getResult, getTagHtml, process, setConfiguration, setNoAutoCloseTags, visitRemarkNode

Methods inherited from class org.htmlparser.visitors.NodeVisitor

beginParsing, finishedParsing, shouldRecurseChildren, shouldRecurseSelf

Methods inherited from class java.lang.Object

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

Constructor Detail

CmsHtml2TextConverter

public CmsHtml2TextConverter()

Creates a new instance of the html converter.

Method Detail

html2text

public static java.lang.String html2text(java.lang.String html,
                                         java.lang.String encoding)
                                  throws java.lang.Exception

Extracts the text from the given html content, assuming the given html encoding.

Parameters:

html - the content to extract the plain text from

encoding - the encoding to use

Returns:

the text extracted from the given html content

Throws:

java.lang.Exception - if something goes wrong

visitEndTag

public void visitEndTag(org.htmlparser.Tag tag)

Description copied from interface: I_CmsHtmlNodeVisitor

Visitor method (callback) invoked when a closing Tag is encountered.

Specified by:

visitEndTag in interface I_CmsHtmlNodeVisitor

Overrides:

visitEndTag in class CmsHtmlParser

Parameters:

tag - the tag that is ended.

See Also:

NodeVisitor.visitEndTag(org.htmlparser.Tag)

visitStringNode

public void visitStringNode(org.htmlparser.Text text)

Description copied from interface: I_CmsHtmlNodeVisitor

Visitor method (callback) invoked when a remark Tag (HTML comment) is encountered.

Specified by:

visitStringNode in interface I_CmsHtmlNodeVisitor

Overrides:

visitStringNode in class CmsHtmlParser

Parameters:

text - the text that is visited.

See Also:

NodeVisitor.visitStringNode(org.htmlparser.Text)

visitTag

public void visitTag(org.htmlparser.Tag tag)

Description copied from interface: I_CmsHtmlNodeVisitor

Visitor method (callback) invoked when a starting Tag (HTML comment) is encountered.

Specified by:

visitTag in interface I_CmsHtmlNodeVisitor

Overrides:

visitTag in class CmsHtmlParser

Parameters:

tag - the tag that is visited.

See Also:

NodeVisitor.visitTag(org.htmlparser.Tag)