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Parses XML to PDF, with CSS support, using iText
/*
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2016 iText Group NV
* Authors: Balder Van Camp, Emiel Ackermann, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.tool.xml.html.head;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import com.itextpdf.text.Element;
import com.itextpdf.text.log.Level;
import com.itextpdf.text.log.Logger;
import com.itextpdf.text.log.LoggerFactory;
import com.itextpdf.tool.xml.Experimental;
import com.itextpdf.tool.xml.NoCustomContextException;
import com.itextpdf.tool.xml.Tag;
import com.itextpdf.tool.xml.WorkerContext;
import com.itextpdf.tool.xml.exceptions.LocaleMessages;
import com.itextpdf.tool.xml.exceptions.RuntimeWorkerException;
import com.itextpdf.tool.xml.html.AbstractTagProcessor;
/**
* @author redlab_b
*
*/
@Experimental
public class XML extends AbstractTagProcessor {
private static final Logger LOGGER = LoggerFactory.getLogger(XML.class);
/*
* (non-Javadoc)
*
* @see com.itextpdf.tool.xml.TagProcessor#startElement(com.itextpdf.tool.xml.Tag)
*/
@Override
public List start(final WorkerContext ctx, final Tag tag) {
String enc = tag.getAttributes().get("encoding");
if (null != enc) {
try {
if (Charset.isSupported(enc)) {
getHtmlPipelineContext(ctx).charSet(Charset.forName(enc));
if (LOGGER.isLogging(Level.DEBUG)) {
LOGGER.debug(
String.format(LocaleMessages.getInstance().getMessage(LocaleMessages.META_CC), enc));
}
} else {
if (LOGGER.isLogging(Level.DEBUG)) {
LOGGER.debug(
String.format(LocaleMessages.getInstance().getMessage(LocaleMessages.META_404), getHtmlPipelineContext(ctx)
.charSet()));
}
}
} catch (NoCustomContextException e) {
throw new RuntimeWorkerException(LocaleMessages.getInstance().getMessage(LocaleMessages.NO_CUSTOM_CONTEXT));
}
}
return new ArrayList(0);
}
}