/*
* Weblounge: Web Content Management System
* Copyright (c) 2003 - 2011 The Weblounge Team
* http://entwinemedia.com/weblounge
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package ch.entwine.weblounge.cache.impl.filter;
import ch.entwine.weblounge.cache.StreamFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.tidy.Tidy;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
/**
* Pretty printer for html output. This class uses the implementation of the w3c
* library <code>JTidy</code>.
*/
public class PrettyPrinter implements StreamFilter {
/** the logger */
protected static Logger log = LoggerFactory.getLogger(TidyReport.class.getName());
/**
* @see ch.entwine.weblounge.api.request.StreamFilter#filter(java.lang.StringBuffer,
* java.lang.String)
*/
public StringBuffer filter(StringBuffer buffer, String contentType) {
if ("text/html".equals(contentType)) {
Tidy tidy = new Tidy();
StringBuffer outBuffer = new StringBuffer(buffer.length());
InputStream is = new ByteArrayInputStream(buffer.toString().getBytes());
ByteArrayOutputStream os = new ByteArrayOutputStream();
// PENDING Read from filter options
tidy.setTidyMark(false);
tidy.setFixBackslash(true);
tidy.setFixComments(true);
tidy.setIndentContent(true);
tidy.setMakeClean(true);
tidy.setSmartIndent(true);
tidy.setUpperCaseAttrs(false);
tidy.setUpperCaseTags(false);
tidy.pprint(tidy.parseDOM(is, null), os);
outBuffer.append(os.toString());
return outBuffer;
}
return buffer;
}
/**
* @see ch.entwine.weblounge.api.request.StreamFilter#flush()
*/
public StringBuffer flush() {
return null;
}
/**
* @see ch.entwine.weblounge.api.request.StreamFilter#close()
*/
public void close() {
}
}