Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* 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 java.io.StringWriter;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
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.export.HtmlExporter;
import net.sf.jasperreports.engine.export.JsonExporter;
import net.sf.jasperreports.engine.util.JRStringUtil;
import net.sf.jasperreports.export.SimpleExporterInput;
import net.sf.jasperreports.export.SimpleHtmlExporterConfiguration;
import net.sf.jasperreports.export.SimpleHtmlExporterOutput;
import net.sf.jasperreports.export.SimpleHtmlReportConfiguration;
import net.sf.jasperreports.export.SimpleWriterExporterOutput;
import net.sf.jasperreports.web.WebReportContext;
import net.sf.jasperreports.web.util.JacksonUtil;
import net.sf.jasperreports.web.util.ReportExecutionHyperlinkProducerFactory;
import net.sf.jasperreports.web.util.VelocityUtil;
import net.sf.jasperreports.web.util.WebHtmlResourceHandler;
import net.sf.jasperreports.web.util.WebUtil;
/**
* @author Narcis Marcu([email protected])
*/
public class ReportOutputServlet extends AbstractServlet
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private static final String TEMPLATE_HEADER= "net/sf/jasperreports/web/servlets/resources/templates/HeaderTemplate.vm";
private static final String TEMPLATE_BETWEEN_PAGES= "net/sf/jasperreports/web/servlets/resources/templates/BetweenPagesTemplate.vm";
private static final String TEMPLATE_FOOTER= "net/sf/jasperreports/web/servlets/resources/templates/FooterTemplate.vm";
private static final String TEMPLATE_HEADER_NOPAGES = "net/sf/jasperreports/web/servlets/resources/templates/HeaderTemplateNoPages.vm";
private static final String TEMPLATE_FOOTER_NOPAGES = "net/sf/jasperreports/web/servlets/resources/templates/FooterTemplateNoPages.vm";
/**
*
*/
public void service(
HttpServletRequest request,
HttpServletResponse response
) throws IOException, ServletException
{
setNoExpire(response);
String contextId = request.getParameter(WebReportContext.REQUEST_PARAMETER_REPORT_CONTEXT_ID);
// render the html for a report
if (contextId != null && request.getHeader("accept").indexOf(HTML_ACCEPT_HEADER) >= 0)
{
WebReportContext webReportContext = WebReportContext.getInstance(request, false);
if (webReportContext != null)
{
response.setContentType(HTML_CONTENT_TYPE);
PrintWriter out = response.getWriter();
try
{
render(request, response, webReportContext, out);
}
catch (JRException e)
{
response.setContentType(JSON_CONTENT_TYPE);//FIXMEJIVE probably can't change contentType at this point, because getWriter() was already called once
response.setStatus(404);
response.getWriter().println("{\"msg\": \"JasperReports encountered an error!\"}");
return;
}
catch (Exception e)
{
response.setContentType(JSON_CONTENT_TYPE);//FIXMEJIVE probably can't change contentType at this point, because getWriter() was already called once
response.setStatus(404);
out.println("{\"msg\": \"JasperReports encountered an error on report rendering!\"");
String message = e.getMessage();
if (message == null && e.getCause() != null) {
message = e.getCause().getMessage();
}
if (message == null) {
StringWriter sw = new StringWriter();
e.printStackTrace(new PrintWriter(sw));
message = sw.toString();
}
if (message != null) {
out.println(", \"devmsg\": \"" + JRStringUtil.escapeJavaStringLiteral(message) + "\"");
}
out.println("}");
}
}
else
{
response.setContentType(JSON_CONTENT_TYPE);
response.setStatus(404);
response.getWriter().println("{\"msg\": \"Resource with id '" + contextId + "' not found!\"}");
return;
}
}
else
{
response.setContentType(JSON_CONTENT_TYPE);
response.setStatus(400);
response.getWriter().println("{\"msg\": \"Wrong parameters!\"}");
}
}
/**
*
*/
public void render(
HttpServletRequest request,
HttpServletResponse response,
WebReportContext webReportContext,
PrintWriter writer
) throws JRException //IOException, ServletException
{
JasperPrintAccessor jasperPrintAccessor = (JasperPrintAccessor) webReportContext.getParameterValue(
WebReportContext.REPORT_CONTEXT_PARAMETER_JASPER_PRINT_ACCESSOR);
ReportExecutionStatus reportStatus = jasperPrintAccessor.getReportStatus();
if (reportStatus.getStatus() == ReportExecutionStatus.Status.ERROR)
{
throw new JRRuntimeException("Error occurred during report generation", reportStatus.getError());
}
//Integer pageCount = reportStatus.getTotalPageCount();
// if the page count is null, it means that the fill is not yet done but there is at least a page
//boolean hasPages = pageCount == null || pageCount > 0;//FIXMEJIVE we should call pageStatus here
boolean hasPages = jasperPrintAccessor.pageStatus(0, null).pageExists();
// JRXhtmlExporter exporter = new JRXhtmlExporter(getJasperReportsContext());
HtmlExporter exporter = new HtmlExporter(getJasperReportsContext());
SimpleHtmlExporterConfiguration exporterConfig = new SimpleHtmlExporterConfiguration();
SimpleHtmlReportConfiguration reportConfig = new SimpleHtmlReportConfiguration();
ReportPageStatus pageStatus;
if (hasPages)
{
String reportPage = request.getParameter(WebUtil.REQUEST_PARAMETER_PAGE);
int pageIdx = reportPage == null ? 0 : Integer.parseInt(reportPage);
String pageTimestamp = request.getParameter(WebUtil.REQUEST_PARAMETER_PAGE_TIMESTAMP);
Long timestamp = pageTimestamp == null ? null : Long.valueOf(pageTimestamp);
pageStatus = jasperPrintAccessor.pageStatus(pageIdx, timestamp);
if (!pageStatus.pageExists())
{
throw new JRRuntimeException("Page " + pageIdx + " not found in report");
}
reportConfig.setPageIndex(pageIdx);
}
else
{
pageStatus = ReportPageStatus.PAGE_FINAL;
}
// set report status on response header
LinkedHashMap result = new LinkedHashMap();
WebUtil webUtil = WebUtil.getInstance(getJasperReportsContext());
boolean isComponentMetadataEmbedded = webUtil.isComponentMetadataEmbedded();
result.put("reportStatus", reportStatus.getStatus().toString().toLowerCase());
result.put("totalPages", reportStatus.getTotalPageCount());
result.put("partialPageCount", reportStatus.getCurrentPageCount());
result.put("pageFinal", pageStatus.isPageFinal());
result.put("isComponentMetadataEmbedded", isComponentMetadataEmbedded);
if (!pageStatus.isPageFinal()) {
result.put("pageTimestamp", String.valueOf(pageStatus.getTimestamp()));
}
response.setHeader("jasperreports-report-status", JacksonUtil.getInstance(getJasperReportsContext()).getJsonString(result));
exporter.setReportContext(webReportContext);
exporter.setExporterInput(new SimpleExporterInput(jasperPrintAccessor.getJasperPrint()));
SimpleHtmlExporterOutput output = new SimpleHtmlExporterOutput(writer);
String applicationDomain = (String) webReportContext.getParameterValue(WebReportContext.REQUEST_PARAMETER_APPLICATION_DOMAIN);
if (applicationDomain == null) {
applicationDomain = request.getContextPath();
}
String resourcesPath = applicationDomain + webUtil.getResourcesPath() + "?" + WebReportContext.REQUEST_PARAMETER_REPORT_CONTEXT_ID + "=" + webReportContext.getId();
output.setImageHandler(new WebHtmlResourceHandler(resourcesPath + "&image={0}"));
output.setResourceHandler(new WebHtmlResourceHandler(resourcesPath + "/{0}"));
output.setFontHandler(new WebHtmlResourceHandler(resourcesPath + "&font={0}"));
exporter.setExporterOutput(output);
exporterConfig.setHtmlHeader(getHeader(request, webReportContext, hasPages, pageStatus));
exporterConfig.setBetweenPagesHtml(getBetweenPages(request, webReportContext));
exporterConfig.setHtmlFooter(getFooter(request, webReportContext, hasPages, pageStatus, isComponentMetadataEmbedded));
reportConfig.setHyperlinkProducerFactory(
ReportExecutionHyperlinkProducerFactory.getInstance(getJasperReportsContext(), request)
);
exporter.setConfiguration(exporterConfig);
exporter.setConfiguration(reportConfig);
exporter.exportReport();
// embed component JSON metadata into report's HTML output
if (isComponentMetadataEmbedded) {
JsonExporter jsonExporter = new JsonExporter(getJasperReportsContext());
StringWriter sw = new StringWriter();
jsonExporter.setReportContext(webReportContext);
jsonExporter.setExporterInput(new SimpleExporterInput(jasperPrintAccessor.getJasperPrint()));
jsonExporter.setExporterOutput(new SimpleWriterExporterOutput(sw));
jsonExporter.exportReport();
String serializedJson = sw.getBuffer().toString();
writer.write("" + serializedJson.replaceAll("\\s","") + "
