Java tutorial
/* * JasperReports - Free Java Reporting Library. * Copyright (C) 2001 - 2019 TIBCO Software Inc. 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 JasperReports. * * JasperReports 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. * * JasperReports 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 JasperReports. If not, see <http://www.gnu.org/licenses/>. */ package net.sf.jasperreports.web.servlets; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sf.jasperreports.engine.JRConstants; import net.sf.jasperreports.engine.JasperReportsContext; import net.sf.jasperreports.web.util.DefaultWebRequestContext; import net.sf.jasperreports.web.util.RequirejsConfigCreator; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * @author Narcis Marcu(nmarcu@users.sourceforge.net) */ public class RequirejsConfigServlet extends AbstractServlet { private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID; private static final Log log = LogFactory.getLog(RequirejsConfigServlet.class); @Override public void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { response.setContentType("text/javascript; charset=UTF-8"); setNoExpire(response); JasperReportsContext jrContext = getJasperReportsContext(); DefaultWebRequestContext webRequestContext = new DefaultWebRequestContext(); webRequestContext.setJasperReportsContext(jrContext); webRequestContext.setRequest(request); RequirejsConfigCreator configCreator = RequirejsConfigCreator.getInstance(webRequestContext); String requirejsConfig = configCreator.getRequirejsConfig(); PrintWriter out = response.getWriter(); out.write(requirejsConfig); } }