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package com.meterware.httpunit.parsing;
/********************************************************************************************************************
* $Id: JTidyHTMLParser.java 855 2008-03-31 08:54:13Z wolfgang_fahl $
*
* Copyright (c) 2002,2004,2008 Russell Gold
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
* to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
* THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*******************************************************************************************************************/
import org.w3c.tidy.Tidy;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.w3c.dom.Node;
import org.w3c.dom.html.HTMLDocument;
import org.xml.sax.SAXException;
import java.net.URL;
import java.io.IOException;
import java.io.ByteArrayInputStream;
import java.io.UnsupportedEncodingException;
import com.meterware.httpunit.dom.HTMLDocumentImpl;
/**
*
* @author <a href="mailto:russgold@httpunit.org">Russell Gold</a>
**/
class JTidyHTMLParser implements HTMLParser {
public void parse( URL pageURL, String pageText, DocumentAdapter adapter ) throws IOException, SAXException {
try {
Document jtidyDocument = getParser( pageURL ).parseDOM( new ByteArrayInputStream( pageText.getBytes( UTF_ENCODING ) ), null );
HTMLDocument htmlDocument = new HTMLDocumentImpl();
NodeList nl = jtidyDocument.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Node importedNode = nl.item(i);
if (importedNode.getNodeType() != Node.DOCUMENT_TYPE_NODE) htmlDocument.appendChild( htmlDocument.importNode( importedNode, true ) );
}
adapter.setDocument( htmlDocument );
} catch (UnsupportedEncodingException e) {
throw new RuntimeException( "UTF-8 encoding failed" );
}
}
public String getCleanedText( String string ) {
return (string == null) ? "" : string.replace( NBSP, ' ' );
}
public boolean supportsPreserveTagCase() {
return false;
}
public boolean supportsForceTagCase() {
return false;
}
public boolean supportsReturnHTMLDocument() {
return true;
}
public boolean supportsParserWarnings() {
return true;
}
final private static char NBSP = (char) 160; // non-breaking space, defined by JTidy
final private static String UTF_ENCODING = "UTF-8";
private static Tidy getParser( URL url ) {
Tidy tidy = new Tidy();
tidy.setInputEncoding( "UTF8" );
tidy.setOutputEncoding( "UTF8" );
tidy.setQuiet( true );
tidy.setShowWarnings( HTMLParserFactory.isParserWarningsEnabled() );
if (!HTMLParserFactory.getHTMLParserListeners().isEmpty()) {
tidy.setErrout( new JTidyPrintWriter( url ) );
}
return tidy;
}
}
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