Java tutorial
/* * fspdfs - Free Java Reporting Library. * Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved. * http://www.jaspersoft.com * * Unless you have purchased a commercial license agreement from Jaspersoft, * the following license terms apply: * * This program is part of fspdfs. * * fspdfs 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 3 of the License, or * (at your option) any later version. * * fspdfs 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 fspdfs. If not, see <http://www.gnu.org/licenses/>. */ package net.sf.fspdfs.components.ofc; import java.util.HashMap; import org.apache.commons.collections.ReferenceMap; import net.sf.fspdfs.engine.JRException; import net.sf.fspdfs.engine.JRGenericPrintElement; import net.sf.fspdfs.engine.export.GenericElementPdfHandler; import net.sf.fspdfs.engine.export.JRPdfExporterContext; import net.sf.fspdfs.engine.util.JRLoader; import com.lowagie.text.Rectangle; import com.lowagie.text.pdf.PdfAnnotation; import com.lowagie.text.pdf.PdfArray; import com.lowagie.text.pdf.PdfDictionary; import com.lowagie.text.pdf.PdfFileSpecification; import com.lowagie.text.pdf.PdfIndirectObject; import com.lowagie.text.pdf.PdfName; import com.lowagie.text.pdf.PdfNameTree; import com.lowagie.text.pdf.PdfNumber; import com.lowagie.text.pdf.PdfString; import com.lowagie.text.pdf.PdfWriter; /** * @author Lucian Chirita (lucianc@users.sourceforge.net) * @version $Id: ChartPdfHandler.java 3031 2009-08-27 11:14:57Z teodord $ */ public class ChartPdfHandler implements GenericElementPdfHandler { public static final String PARAMETER_CHART_DATA = "ChartData"; private final ReferenceMap existingContexts = new ReferenceMap(ReferenceMap.WEAK, ReferenceMap.HARD); public boolean toExport(JRGenericPrintElement element) { return true; } public void exportElement(JRPdfExporterContext exporterContext, JRGenericPrintElement element) { try { PdfWriter writer = exporterContext.getPdfWriter(); PdfIndirectObject swfRef; boolean newContext = !existingContexts.containsKey(exporterContext); if (newContext) { // add the Adobe 1.7 extensions catalog dictionary PdfDictionary extensions = new PdfDictionary(); PdfDictionary adobeExtension = new PdfDictionary(); adobeExtension.put(new PdfName("BaseVersion"), PdfWriter.PDF_VERSION_1_7); adobeExtension.put(new PdfName("ExtensionLevel"), new PdfNumber(3)); extensions.put(new PdfName("ADBE"), adobeExtension); writer.getExtraCatalog().put(new PdfName("Extensions"), extensions); // add the swf file byte[] swfData = readSwf(); PdfFileSpecification swfFile = PdfFileSpecification.fileEmbedded(writer, null, "Open Flash Chart", swfData); swfRef = writer.addToBody(swfFile); existingContexts.put(exporterContext, swfRef); } else { swfRef = (PdfIndirectObject) existingContexts.get(exporterContext); } Rectangle rect = new Rectangle(element.getX() + exporterContext.getOffsetX(), exporterContext.getExportedReport().getPageHeight() - element.getY() - exporterContext.getOffsetY(), element.getX() + exporterContext.getOffsetX() + element.getWidth(), exporterContext.getExportedReport().getPageHeight() - element.getY() - exporterContext.getOffsetY() - element.getHeight()); PdfAnnotation ann = new PdfAnnotation(writer, rect); ann.put(PdfName.SUBTYPE, new PdfName("RichMedia")); PdfDictionary settings = new PdfDictionary(); PdfDictionary activation = new PdfDictionary(); activation.put(new PdfName("Condition"), new PdfName("PV")); settings.put(new PdfName("Activation"), activation); ann.put(new PdfName("RichMediaSettings"), settings); PdfDictionary content = new PdfDictionary(); HashMap assets = new HashMap(); assets.put("map.swf", swfRef.getIndirectReference()); PdfDictionary assetsDictionary = PdfNameTree.writeTree(assets, writer); content.put(new PdfName("Assets"), assetsDictionary); PdfArray configurations = new PdfArray(); PdfDictionary configuration = new PdfDictionary(); PdfArray instances = new PdfArray(); PdfDictionary instance = new PdfDictionary(); instance.put(new PdfName("Subtype"), new PdfName("Flash")); PdfDictionary params = new PdfDictionary(); String chartData = (String) element.getParameterValue(PARAMETER_CHART_DATA); String vars = "inline_data=" + chartData; params.put(new PdfName("FlashVars"), new PdfString(vars)); instance.put(new PdfName("Params"), params); instance.put(new PdfName("Asset"), swfRef.getIndirectReference()); PdfIndirectObject instanceRef = writer.addToBody(instance); instances.add(instanceRef.getIndirectReference()); configuration.put(new PdfName("Instances"), instances); PdfIndirectObject configurationRef = writer.addToBody(configuration); configurations.add(configurationRef.getIndirectReference()); content.put(new PdfName("Configurations"), configurations); ann.put(new PdfName("RichMediaContent"), content); writer.addAnnotation(ann); } catch (Exception e) { throw new RuntimeException(e); } } protected byte[] readSwf() throws JRException { return JRLoader.loadBytesFromLocation("openflashchart/open-flash-chart.swf"); } }