Java tutorial
/* * * This file is part of the iText (R) project. Copyright (c) 1998-2019 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: sales@itextpdf.com */ 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 <code>com.itextpdf.tool.xml.css.apply</code>. * * @author redlab_b * * */ public class CssAppliersImpl implements CssAppliers { /* * private static CssAppliersImpl myself = new CssAppliersImpl(); * * public static CssAppliersImpl getInstance() { return myself; } */ private Map<Class<?>, CssApplier<? extends Element>> map; /** * */ public CssAppliersImpl() { map = new HashMap<Class<?>, CssApplier<? extends Element>>(); 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<Class<?>, CssApplier<? extends Element>> 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<Class<?>, CssApplier<? extends Element>>(this.map); return clone; } protected CssAppliersImpl getClonedObject() { return new CssAppliersImpl(); } }