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/*******************************************************************************
* 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.word;
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.exception.ReportException;
import com.bstek.ureport.export.ExportConfigure;
import com.bstek.ureport.export.ExportConfigureImpl;
import com.bstek.ureport.export.ExportManager;
import com.bstek.ureport.export.word.high.WordProducer;
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;
/**
* @author Jacky.gao
* @since 2017年4月17日
*/
public class ExportWordServletAction extends BaseServletAction {
private ReportBuilder reportBuilder;
private ExportManager exportManager;
private WordProducer wordProducer=new WordProducer();
@Override
public void execute(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String method=retriveMethod(req);
if(method!=null){
invokeMethod(method, req, resp);
}else{
buildWord(req, resp);
}
}
public void buildWord(HttpServletRequest req, HttpServletResponse resp) throws IOException {
String file=req.getParameter("_u");
file=decode(file);
if(StringUtils.isBlank(file)){
throw new ReportComputeException("Report file can not be null.");
}
OutputStream outputStream=resp.getOutputStream();
try {
String fileName=req.getParameter("_n");
fileName=buildDownloadFileName(file, fileName, ".docx",req);
fileName=new String(fileName.getBytes("UTF-8"),"ISO8859-1");
resp.setContentType("application/octet-stream;charset=ISO8859-1");
resp.setHeader("Content-Disposition","attachment;filename=\"" + fileName + "\"");
Map<String, Object> parameters = buildParameters(req);
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 word.");
}
Report report=reportBuilder.buildReport(reportDefinition, parameters);
wordProducer.produce(report, outputStream);
}else{
ExportConfigure configure=new ExportConfigureImpl(file,parameters,outputStream);
exportManager.exportWord(configure);
}
}catch(Exception ex) {
throw new ReportException(ex);
}finally {
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 "/word";
}
}