Java tutorial
package se.billes.pdf.renderer.process; import se.billes.pdf.renderer.exception.PdfRenderException; import se.billes.pdf.renderer.model.BaseElement; import se.billes.pdf.renderer.model.Page; import com.itextpdf.text.Document; import com.itextpdf.text.pdf.PdfContentByte; import com.itextpdf.text.pdf.PdfWriter; /** * This program is built on top of iText. * * 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 NV, 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, you 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. */ public class NewPageRenderer { private Page page; public NewPageRenderer(Page page) { this.page = page; } public void render(PdfWriter writer, Document document) throws PdfRenderException { writer.setPageEvent(page); if (page.getBlocks() == null || page.getBlocks().length == 0) { writer.setPageEmpty(false); writer.newPage(); } else { document.newPage(); PdfContentByte cb = writer.getDirectContent(); for (BaseElement block : page.getBlocks()) { block.onRender(cb); } } } }