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Parses XML to PDF, with CSS support, using iText
/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 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;
import com.itextpdf.text.Chunk;
import com.itextpdf.text.Element;
import com.itextpdf.text.FontProvider;
import com.itextpdf.text.List;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfDiv;
import com.itextpdf.text.pdf.draw.LineSeparator;
import com.itextpdf.text.Image;
import com.itextpdf.tool.xml.Tag;
import com.itextpdf.tool.xml.css.apply.*;
import com.itextpdf.tool.xml.html.pdfelement.HtmlCell;
import com.itextpdf.tool.xml.html.pdfelement.NoNewLineParagraph;
import com.itextpdf.tool.xml.pipeline.html.HtmlPipelineContext;
import com.itextpdf.tool.xml.pipeline.html.ImageProvider;
import com.itextpdf.tool.xml.pipeline.html.NoImageProviderException;
import com.itextpdf.tool.xml.pipeline.html.UrlLinkResolver;
import java.util.HashMap;
import java.util.Map;
/**
* Applies CSS to an Element using the appliers from the com.itextpdf.tool.xml.css.apply.
*
* @author redlab_b
*
*
*/
public class CssAppliersImpl implements CssAppliers {
/*
* private static CssAppliersImpl myself = new CssAppliersImpl();
*
* public static CssAppliersImpl getInstance() { return myself; }
*/
private Map, CssApplier> map;
/**
*
*/
public CssAppliersImpl() {
map = new HashMap, CssApplier>();
map.put(Chunk.class, new ChunkCssApplier(null));
map.put(Paragraph.class, new ParagraphCssApplier(this));
map.put(NoNewLineParagraph.class, new NoNewLineParagraphCssApplier());
map.put(HtmlCell.class, new HtmlCellCssApplier());
map.put(List.class, new ListStyleTypeCssApplier());
map.put(LineSeparator.class, new LineSeparatorCssApplier());
map.put(Image.class, new ImageCssApplier());
map.put(PdfDiv.class, new DivCssApplier());
}
public CssAppliersImpl(FontProvider fontProvider) {
this();
((ChunkCssApplier) map.get(Chunk.class)).setFontProvider(fontProvider);
}
public void putCssApplier(Class s, CssApplier c) {
map.put(s, c);
}
public CssApplier getCssApplier(Class s) {
return map.get(s);
}
/* (non-Javadoc)
* @see com.itextpdf.tool.xml.html.CssAppliers#apply(com.itextpdf.text.Element, com.itextpdf.tool.xml.Tag, com.itextpdf.tool.xml.css.apply.MarginMemory, com.itextpdf.tool.xml.css.apply.PageSizeContainable, com.itextpdf.tool.xml.pipeline.html.ImageProvider)
*/
public Element apply(Element e, final Tag t, final MarginMemory mm, final PageSizeContainable psc, final HtmlPipelineContext ctx) {
CssApplier c = null;
for (Map.Entry, CssApplier> entry : map.entrySet()) {
if (entry.getKey().isInstance(e)) {
c = entry.getValue();
break;
}
}
if (c == null) {
throw new RuntimeException();
}
e = c.apply(e, t, mm, psc, ctx);
return e;
}
/* (non-Javadoc)
* @see com.itextpdf.tool.xml.html.CssAppliers#apply(com.itextpdf.text.Element, com.itextpdf.tool.xml.Tag, com.itextpdf.tool.xml.pipeline.html.HtmlPipelineContext)
*/
public Element apply(final Element e, final Tag t, final HtmlPipelineContext ctx) {
return this.apply(e, t, ctx, ctx, ctx);
}
public ChunkCssApplier getChunkCssAplier() {
return (ChunkCssApplier) map.get(Chunk.class);
}
public void setChunkCssAplier(final ChunkCssApplier chunkCssAplier) {
map.put(Chunk.class, chunkCssAplier);
}
public CssAppliers clone() {
CssAppliersImpl clone = getClonedObject();
clone.map = new HashMap, CssApplier>(this.map);
return clone;
}
protected CssAppliersImpl getClonedObject() {
return new CssAppliersImpl();
}
}