/**
*
* APDPlat - Application Product Development Platform
* Copyright (c) 2013, 杨尚川, yang-shangchuan@qq.com
*
* 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 3 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.apdplat.module.security.service;
import java.io.ByteArrayOutputStream;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import org.apdplat.module.system.service.SystemListener;
import org.apdplat.platform.log.APDPlatLogger;
import org.apdplat.platform.log.APDPlatLoggerFactory;
import org.apdplat.platform.report.BirtReportEngine;
import org.apdplat.platform.util.ConvertUtils;
import org.apdplat.platform.util.FileUtils;
import org.eclipse.birt.report.engine.api.EngineException;
import org.eclipse.birt.report.engine.api.HTMLRenderOption;
import org.eclipse.birt.report.engine.api.HTMLServerImageHandler;
import org.eclipse.birt.report.engine.api.IReportEngine;
import org.eclipse.birt.report.engine.api.IReportRunnable;
import org.eclipse.birt.report.engine.api.IRunAndRenderTask;
import org.springframework.stereotype.Service;
/**
*
* @author 杨尚川
*/
@Service
public class UserReportService {
private static final APDPlatLogger LOG = APDPlatLoggerFactory.getAPDPlatLogger(UserReportService.class);
private IReportEngine birtReportEngine = null;
private static String reportPath="/platform/reports/security/user.rptdesign";
public byte[] getReport(ServletContext sc, HttpServletRequest req) {
LOG.info("开始渲染报表");
long start=System.currentTimeMillis();
float total=(float)Runtime.getRuntime().totalMemory()/1000000;
this.birtReportEngine = BirtReportEngine.getBirtEngine(sc);
IReportRunnable design;
try {
LOG.info("report path:"+reportPath);
reportPath=FileUtils.getAbsolutePath(reportPath);
LOG.info("report path:"+reportPath);
design = birtReportEngine.openReportDesign(reportPath);
IRunAndRenderTask task = birtReportEngine.createRunAndRenderTask(design);
task.getAppContext().put("BIRT_VIEWER_HTTPSERVLET_REQUEST", req );
task.setParameterValue("title", "用户图形报表");
task.setParameterValue("tip", "测试用户报表");
HTMLRenderOption options = new HTMLRenderOption();
options.setOutputFormat(HTMLRenderOption.OUTPUT_FORMAT_HTML);
ByteArrayOutputStream out = new ByteArrayOutputStream();
options.setOutputStream(out);
options.setImageHandler(new HTMLServerImageHandler());
options.setBaseImageURL(SystemListener.getContextPath() + "/platform/reports/images");
options.setImageDirectory(FileUtils.getAbsolutePath("/platform/reports/images"));
task.setRenderOption(options);
task.run();
task.close();
total=(float)Runtime.getRuntime().totalMemory()/1000000 - total;
LOG.info("完成渲染报表，耗时："+ConvertUtils.getTimeDes(System.currentTimeMillis()-start)+" ,耗费内存："+total+"M");
return out.toByteArray();
} catch (EngineException | NumberFormatException e) {
LOG.error("输出报表出错",e);
}
return null;
}
}