no.abmu.common.jasperreports.JasperReportsXlsViewToFile.java Source code

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Here is the source code for no.abmu.common.jasperreports.JasperReportsXlsViewToFile.java

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/*$Id: JasperReportsXlsViewToFile.java 9125 2008-03-16 23:07:38Z jens $*/
/*
 ****************************************************************************
 *                                                                          *
 *                   (c) Copyright 2007 ABM-utvikling                       *
 *                                                                          *
 *                         Created on 19-June-2007                           *
 *                                                                          *
 * This program is free software; you can redistribute it and/or modify it  *
 * under the terms of the GNU General Public License as published by the    *
 * Free Software Foundation; either version 2 of the License, or (at your   *
 * option) any later version.                                               *
 *                                                                          *
 * 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 General *
 * Public License for more details. http://www.gnu.org/licenses/gpl.html    *
 *                                                                          *
 ****************************************************************************
 */
package no.abmu.common.jasperreports;

import java.io.ByteArrayOutputStream;

import java.io.FileOutputStream;
import java.util.Map;

import javax.servlet.http.HttpServletResponse;

import net.sf.jasperreports.engine.JRExporter;
import net.sf.jasperreports.engine.JasperPrint;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.servlet.view.jasperreports.JasperReportsXlsView;
import org.springframework.ui.jasperreports.JasperReportsUtils;
import org.springframework.util.StopWatch;

/**
 * JasperReportsXlsViewToFile.
 * 
 * @author Jens Vindvad, Jens.Vindvad@abm-utvikling.no
 * @author $Author: jens $
 * @version $Rev: 9125 $
 * $Date: 2008-03-17 00:07:38 +0100 (Mon, 17 Mar 2008) $
 * copyright ABM-Utvikling
 * @since 2007-06-20
 */
public class JasperReportsXlsViewToFile extends JasperReportsXlsView {

    private static final Log log = (Log) LogFactory.getLog(JasperReportsXlsViewToFile.class);

    /**
     * Initial size for the output array.
     */
    private static final int OUTPUT_BYTE_ARRAY_INITIAL_SIZE = 4096;

    private String outPutFileName = "/tmp/temp_korrektur.xls";

    /**
     * Perform rendering for a single Jasper Reports exporter, that is,
     * for a pre-defined output format.
     */
    protected void renderReport(JasperPrint populatedReport, Map model, HttpServletResponse response)
            throws Exception {

        log.info(" XXXXXXXXXXXXXXXXXXX renderReport: START ");

        StopWatch stopWatch = new StopWatch();
        stopWatch.start("renderReport");

        // Prepare report for rendering.
        JRExporter exporter = createExporter();

        if (getConvertedExporterParameters() != null) {
            exporter.setParameters(getConvertedExporterParameters());
        }

        // We need to write binary output to the response OutputStream.

        // Render report into local OutputStream.
        // IE workaround: write into byte array first.
        ByteArrayOutputStream baos = new ByteArrayOutputStream(OUTPUT_BYTE_ARRAY_INITIAL_SIZE);
        JasperReportsUtils.render(exporter, populatedReport, baos);

        // Flush byte array to servlet output stream.
        java.io.FileOutputStream fileOutputStream = new FileOutputStream(getOutPutFileName());

        baos.writeTo(fileOutputStream);
        fileOutputStream.flush();
        fileOutputStream.close();

        stopWatch.stop();

        log.info("[private:renderReport] tok[" + stopWatch.getTotalTimeMillis() + "] ms");
        log.info(" XXXXXXXXXXXXXXXXXXX renderReport: FINISH ");

    }

    public String getOutPutFileName() {
        return outPutFileName;
    }

    public void setOutPutFileName(String outPutFileName) {
        this.outPutFileName = outPutFileName;
    }

}