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/**
* Copyright (C) 2011-2015 The XDocReport Team
*
* All rights reserved.
*
* 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.
*/
package fr.opensagres.xdocreport.document.textstyling.html;
import java.io.StringReader;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
import fr.opensagres.xdocreport.core.logging.LogUtils;
import fr.opensagres.xdocreport.core.utils.StringEscapeUtils;
import fr.opensagres.xdocreport.core.utils.StringUtils;
import fr.opensagres.xdocreport.document.textstyling.AbstractTextStylingTransformer;
import fr.opensagres.xdocreport.document.textstyling.IDocumentHandler;
import fr.opensagres.xdocreport.document.textstyling.ITextStylingTransformer;
/**
* HTML text styling transformer to transform HTML to another document kind (odt, docx, etc) syntax. The ODT, DOCX is
* represented with the given {@link IDocumentHandler}.
*/
public class HTMLTextStylingTransformer
extends AbstractTextStylingTransformer
{
public static final ITextStylingTransformer INSTANCE = new HTMLTextStylingTransformer();
private static final String START_XML = ""
+ StringEscapeUtils.Entities.HTML40.generateDocType( "entities" ) + "";
private static final String END_XML = "";
/**
* Logger for this class
*/
private static final Logger LOGGER = LogUtils.getLogger( HTMLTextStylingTransformer.class.getName() );
private static final String[] searchList = { "\r", "\n", "\t", " " };
private static final String[] replacementList = { "", "", "", " " };
@Override
protected void doTransform( String content, IDocumentHandler documentHandler )
throws Exception
{
// pre-process content : can be used to integrate a markup based html generator like markdown
content = generateXhtmlFromContent( content );
// remove special characters \n, \r
String xml = StringUtils.replaceEach( content, searchList, replacementList );
// add root element if xml doesn't contain xml root element.
xml = new StringBuilder( START_XML ).append( xml ).append( END_XML ).toString();
if ( LOGGER.isLoggable( Level.FINE ) )
{
LOGGER.fine( xml );
}
XMLReader xmlReader = XMLReaderFactory.createXMLReader();
xmlReader.setContentHandler( new HTMLTextStylingContentHandler( documentHandler ) );
xmlReader.parse( new InputSource( new StringReader( xml ) ) );
}
protected String generateXhtmlFromContent( String content )
throws Exception
{
return content;
}
}
