content: /*******************************************************************************
   * Copyright 2017 Bstek
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
   * use this file except in compliance with the License.  You may obtain a copy
   * of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
   * License for the specific language governing permissions and limitations under
   * the License.
   ******************************************************************************/
  package com.bstek.ureport.console.excel;
  
  import com.bstek.ureport.build.ReportBuilder;
  import com.bstek.ureport.console.BaseServletAction;
  import com.bstek.ureport.console.cache.TempObjectCache;
  import com.bstek.ureport.console.exception.ReportDesignException;
  import com.bstek.ureport.definition.ReportDefinition;
  import com.bstek.ureport.exception.ReportComputeException;
  import com.bstek.ureport.export.ExportConfigure;
  import com.bstek.ureport.export.ExportConfigureImpl;
  import com.bstek.ureport.export.ExportManager;
  import com.bstek.ureport.export.excel.low.Excel97Producer;
  import com.bstek.ureport.model.Report;
  import org.apache.commons.lang.StringUtils;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.util.Map;
  
  /**
   * 已废弃
   * @author
   * @since 7月3日
   */
  public class ExportExcel97ServletAction extends BaseServletAction {
  	private ReportBuilder reportBuilder;
  	private ExportManager exportManager;
  	private Excel97Producer excelProducer=new Excel97Producer();
  
  	@Override
  	public void execute(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
  		String method=retriveMethod(req);
  		if(method!=null){
  			invokeMethod(method, req, resp);
  		}else{
  			buildExcel(req, resp,false,false);
  		}
  	}
  	public void paging(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
  		buildExcel(req, resp, true, false);
  	}
  
  	public void sheet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
  		buildExcel(req, resp, false, true);
  	}
  
  	public void buildExcel(HttpServletRequest req, HttpServletResponse resp,boolean withPage,boolean withSheet) throws IOException {
  		String file=req.getParameter("_u");
  		if(StringUtils.isBlank(file)){
  			throw new ReportComputeException("Report file can not be null.");
  		}
  		String fileName=req.getParameter("_n");
  		if(StringUtils.isNotBlank(fileName)){
  			fileName=decode(fileName);
  		}else{
  			fileName="ureport.xls";
  		}
  		resp.setContentType("application/octet-stream;charset=ISO8859-1");
  		resp.setHeader("Content-Disposition","attachment;filename=\"" + fileName + "\"");
  		Map<String, Object> parameters = buildParameters(req);
  		OutputStream outputStream=resp.getOutputStream();
  		if(file.equals(PREVIEW_KEY)){
  			ReportDefinition reportDefinition=(ReportDefinition)TempObjectCache.getObject(PREVIEW_KEY);
  			if(reportDefinition==null){
  				throw new ReportDesignException("Report data has expired,can not do export excel.");
  			}
  			Report report=reportBuilder.buildReport(reportDefinition, parameters);
  			if(withPage){
  				excelProducer.produceWithPaging(report, outputStream);
  			}else if(withSheet){
  				excelProducer.produceWithSheet(report, outputStream);
  			}else{
  				excelProducer.produce(report, outputStream);
  			}
  		}else{
  			ExportConfigure configure=new ExportConfigureImpl(file,parameters,outputStream);
  			if(withPage){
  				exportManager.exportExcelWithPaging(configure);
  			}else if(withSheet){
  				exportManager.exportExcelWithPagingSheet(configure);
  			}else{
  				exportManager.exportExcel(configure);
  			}
  		}
  		outputStream.flush();
  		outputStream.close();
  	}
  
  	public void setReportBuilder(ReportBuilder reportBuilder) {
  		this.reportBuilder = reportBuilder;
  	}
  	public void setExportManager(ExportManager exportManager) {
  		this.exportManager = exportManager;
  	}
  
  	@Override
  	public String url() {
  		return "/excel97";
  	}
  }
  