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/*
* 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.util.HashMap;
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.JRPropertiesUtil;
import net.sf.jasperreports.web.WebReportContext;
import net.sf.jasperreports.web.util.VelocityUtil;
import net.sf.jasperreports.web.util.WebUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author Teodor Danciu ([email protected])
*/
public class ViewerServlet extends AbstractServlet
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private static final Log log = LogFactory.getLog(ViewerServlet.class);
public static final String PROPERTY_TEMPLATE_HEADER = "net.sf.jasperreports.web.servlets.viewer.header.template";
public static final String PROPERTY_TEMPLATE_BODY = "net.sf.jasperreports.web.servlets.viewer.body.template";
public static final String PROPERTY_TEMPLATE_FOOTER = "net.sf.jasperreports.web.servlets.viewer.footer.template";
private String headerTemplate;
private String bodyTemplate;
private String footerTemplate;
@Override
public void init() throws ServletException
{
super.init();
headerTemplate = getInitParameter(PROPERTY_TEMPLATE_HEADER);
bodyTemplate = getInitParameter(PROPERTY_TEMPLATE_BODY);
footerTemplate = getInitParameter(PROPERTY_TEMPLATE_FOOTER);
}
/**
*
*/
public String getHeaderTemplate()
{
if (headerTemplate == null)
{
return JRPropertiesUtil.getInstance(getJasperReportsContext()).getProperty(PROPERTY_TEMPLATE_HEADER);
}
return headerTemplate;
}
/**
*
*/
public String getBodyTemplate()
{
if (bodyTemplate == null)
{
return JRPropertiesUtil.getInstance(getJasperReportsContext()).getProperty(PROPERTY_TEMPLATE_BODY);
}
return bodyTemplate;
}
/**
*
*/
public String getFooterTemplate()
{
if (footerTemplate == null)
{
return JRPropertiesUtil.getInstance(getJasperReportsContext()).getProperty(PROPERTY_TEMPLATE_FOOTER);
}
return footerTemplate;
}
/**
*
*/
public void service(
HttpServletRequest request,
HttpServletResponse response
) throws IOException, ServletException
{
response.setContentType("text/html; charset=UTF-8");
// Set to expire far in the past.
response.setHeader("Expires", "Sat, 6 May 1995 12:00:00 GMT");
// Set standard HTTP/1.1 no-cache headers.
response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
// Set IE extended HTTP/1.1 no-cache headers (use addHeader).
response.addHeader("Cache-Control", "post-check=0, pre-check=0");
// Set standard HTTP/1.0 no-cache header.
response.setHeader("Pragma", "no-cache");
PrintWriter out = response.getWriter();
WebReportContext webReportContext = WebReportContext.getInstance(request);
try
{
render(request, webReportContext, out);
}
catch (Exception e)
{
log.error("Error on report execution", e);
out.println("");//FIXMEJIVE do we need to render this? or should this be done by the viewer?
out.println("");
out.println("JasperReports - Web Application Sample");
out.println("");
out.println("");
out.println("");
out.println("JasperReports encountered this error :");
out.println("