RtfGenerateService.java

/**
 * Copyright (c)2010-2011 Enterprise Website Content Management System(EWCMS), All rights reserved.
 * EWCMS PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 * http://www.ewcms.com
 */
package com.ewcms.plugin.report.generate.service.text;

import com.ewcms.plugin.BaseRuntimeException;

import java.io.ByteArrayOutputStream;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.export.JRRtfExporter;

/**
 * @author 吴智俊
 */
public class RtfGenerateService extends BaseTextGenerateServiceable {

	private static final Logger logger = LoggerFactory.getLogger(RtfGenerateService.class);
	
    protected byte[] generate(JasperPrint jasperPrint,
            HttpServletResponse response, HttpServletRequest request) {
        try {
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

            JRRtfExporter exporter = new JRRtfExporter();

            exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
            exporter.setParameter(JRExporterParameter.OUTPUT_STREAM,
                    byteArrayOutputStream);
            exporter.exportReport();

            byte[] bytes = byteArrayOutputStream.toByteArray();

            if (response != null) {
                response.setContentLength(bytes.length);
                response.setContentType("application/msword");
            }

            return bytes;
        } catch (Exception e) {
        	logger.error("Rtf Generate Exception", e);
            throw new BaseRuntimeException(e.toString());
        }

    }
}