/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2009 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.webapp.servlet;
import java.io.IOException;
import java.net.URL;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.ReportProcessingException;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.ReportGenerator;
import org.pentaho.reporting.engine.classic.core.modules.output.pageable.plaintext.PlainTextReportUtil;
import org.pentaho.reporting.libraries.resourceloader.ResourceException;
/**
* Processes a report.
*
* @author Thomas Morgner
*/
public class PlainTextReportServlet extends HttpServlet
{
public PlainTextReportServlet()
{
}
public void init() throws ServletException
{
ClassicEngineBoot.getInstance().start();
}
protected void doGet(final HttpServletRequest request,
final HttpServletResponse response) throws ServletException, IOException
{
final String reportDefinition = request.getParameter("report-definition");
final URL reportUrl = getServletContext().getResource(reportDefinition);
if (reportUrl == null)
{
response.sendError(HttpServletResponse.SC_BAD_REQUEST);
return;
}
try
{
final MasterReport report = ReportGenerator.getInstance().parseReport(reportUrl);
response.setContentType("text/plain");
final ServletOutputStream stream = response.getOutputStream();
PlainTextReportUtil.createPlainText(report, stream);
stream.flush();
}
catch (ResourceException e)
{
log("Failed to parse report", e);
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
catch (ReportProcessingException e)
{
log("Failed to process the report", e);
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
protected void doPost(final HttpServletRequest httpServletRequest,
final HttpServletResponse httpServletResponse) throws ServletException, IOException
{
doGet(httpServletRequest, httpServletResponse);
}
}