net.sf.jasperreports.web.servlets.ReportContextCreatorServlet Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2014 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 .
*/
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.JRException;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.ReportContext;
import net.sf.jasperreports.engine.util.JRStringUtil;
import net.sf.jasperreports.web.JRInteractiveException;
import net.sf.jasperreports.web.WebReportContext;
import net.sf.jasperreports.web.util.WebUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author Narcis Marcu([email protected])
*/
public class ReportContextCreatorServlet extends AbstractServlet {
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private static final Log log = LogFactory.getLog(ReportContextCreatorServlet.class);
/**
*
*/
public void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
response.setContentType(JSON_CONTENT_TYPE);
setNoExpire(response);
String reportUri = request.getParameter(WebUtil.REQUEST_PARAMETER_REPORT_URI);
PrintWriter out = response.getWriter();
// get the contextid and run the report
if (reportUri != null && request.getHeader("accept").indexOf(JSON_ACCEPT_HEADER) >= 0) {
WebReportContext webReportContext = WebReportContext.getInstance(request);
// begin: run report
JasperPrintAccessor jasperPrintAccessor = (JasperPrintAccessor) webReportContext.getParameterValue(WebReportContext.REPORT_CONTEXT_PARAMETER_JASPER_PRINT_ACCESSOR);
if (jasperPrintAccessor == null) {
webReportContext.setParameterValue(WebUtil.REQUEST_PARAMETER_REPORT_URI, reportUri);
String async = request.getParameter(WebUtil.REQUEST_PARAMETER_ASYNC_REPORT);
if (async != null) {
webReportContext.setParameterValue(WebUtil.REQUEST_PARAMETER_ASYNC_REPORT, Boolean.valueOf(async));
}
String appDomain = request.getParameter(ReportContext.REQUEST_PARAMETER_APPLICATION_DOMAIN);
if (appDomain != null) {
if (appDomain.endsWith("/")) {
appDomain = appDomain.substring(0, appDomain.length() - 1);
}
webReportContext.setParameterValue(ReportContext.REQUEST_PARAMETER_APPLICATION_DOMAIN, appDomain);
}
Controller controller = new Controller(getJasperReportsContext());
initWebContext(request, webReportContext);
try {
controller.runReport(webReportContext, null);
} catch (JRInteractiveException e) {
// there's no action running at this point, so nothing to do
log.error("Error on report execution", e);
throw new JRRuntimeException(e);
} catch (JRException e) {
log.error("Error on report execution", e);
response.setStatus(404);
out.println("{\"msg\": \"JasperReports encountered an error on context creation!\",");
out.println("\"devmsg\": \"" + JRStringUtil.escapeJavaStringLiteral(e.getMessage()) + "\"}");
return;
} catch (Throwable t) {
t.printStackTrace();
}
}
// end: run report
out.println("{\"contextid\": " + webReportContext.getId() + "}");
} else {
response.setStatus(400);
out.println("{\"msg\": \"Wrong parameters!\"}");
}
}
protected void initWebContext(HttpServletRequest request, WebReportContext webReportContext) {
}
}