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/**
* Copyright (C) 2011-2012 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.preprocessor.sax;
import java.io.IOException;
import java.io.InputStream;
import java.io.Writer;
import java.util.Map;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
import fr.opensagres.xdocreport.core.XDocReportException;
import fr.opensagres.xdocreport.core.io.IOUtils;
import fr.opensagres.xdocreport.core.io.XDocArchive;
import fr.opensagres.xdocreport.document.preprocessor.AbstractXDocPreprocessor;
import fr.opensagres.xdocreport.template.formatter.FieldsMetadata;
import fr.opensagres.xdocreport.template.formatter.IDocumentFormatter;
/**
* SAX preprocessor to modify XML entry with SAX.
*/
public abstract class SAXXDocPreprocessor
extends AbstractXDocPreprocessor
{
@Override
public boolean preprocess( String entryName, InputStream reader, Writer writer, FieldsMetadata fieldsMetadata,
IDocumentFormatter formatter, Map sharedContext )
throws XDocReportException, IOException
{
try
{
XMLReader xmlReader = XMLReaderFactory.createXMLReader();
BufferedDocumentContentHandler contentHandler =
createBufferedDocumentContentHandler( entryName, fieldsMetadata, formatter, sharedContext );
xmlReader.setContentHandler( contentHandler );
xmlReader.parse( new InputSource( reader ) );
BufferedDocument document = contentHandler.getBufferedDocument();
if ( document != null )
{
document.save( writer );
// StringWriter s = new StringWriter();
// document.save( s );
// System.err.println( s );
return true;
}
return false;
}
catch ( SAXException e )
{
throw new XDocReportException( e );
}
}
@Override
protected InputStream getSource( XDocArchive documentArchive, String entryName )
{
return documentArchive.getEntryInputStream( entryName );
}
@Override
protected void closeSource( InputStream reader )
{
if ( reader != null )
{
IOUtils.closeQuietly( reader );
}
}
protected abstract BufferedDocumentContentHandler createBufferedDocumentContentHandler( String entryName,
FieldsMetadata fieldsMetadata,
IDocumentFormatter formatter,
Map sharedContext );
}