cn.afterturn.easypoi.view.EasypoiPDFTemplateView Maven / Gradle / Ivy
/**
* Copyright 2013-2015 JueYue ([email protected])
*
* 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 cn.afterturn.easypoi.view;
import java.io.ByteArrayOutputStream;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cn.afterturn.easypoi.util.WebFilenameUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Controller;
import cn.afterturn.easypoi.entity.vo.PDFTemplateConstants;
import cn.afterturn.easypoi.excel.entity.params.ExcelExportEntity;
import cn.afterturn.easypoi.pdf.PdfExportUtil;
import cn.afterturn.easypoi.pdf.entity.PdfExportParams;
/**
* PDF 导出 View
* @author JueYue
* 2016年1月19日 上午10:43:02
*/
@Controller(PDFTemplateConstants.EASYPOI_PDF_TEMPLATE_VIEW)
public class EasypoiPDFTemplateView extends PoiBaseView {
public EasypoiPDFTemplateView() {
setContentType("application/pdf");
}
@Override
protected boolean generatesDownloadContent() {
return true;
}
@Override
@SuppressWarnings("unchecked")
protected final void renderMergedOutputModel(Map model,
HttpServletRequest request,
HttpServletResponse response) throws Exception {
String fileName = "临时文件";
ByteArrayOutputStream baos = createTemporaryOutputStream();
PdfExportParams entity = (PdfExportParams) model.get(PDFTemplateConstants.PARAMS);
Class> pojoClass = (Class>) model.get(PDFTemplateConstants.CLASS);
Collection> dataSet = (Collection>) model.get(PDFTemplateConstants.DATA_LIST);
List entityList = (List) model
.get(PDFTemplateConstants.ENTITY_LIST);
if (entityList == null) {
PdfExportUtil.exportPdf(entity, pojoClass, dataSet, baos);
} else {
PdfExportUtil.exportPdf(entity, entityList, (Collection extends Map, ?>>) dataSet,
baos);
}
String userFileName = (String) model.get(PDFTemplateConstants.FILE_NAME);
if (StringUtils.isNoneBlank(userFileName)) {
fileName = userFileName;
}
// 用工具类生成符合RFC 5987标准的文件名header, 去掉UA判断
response.setHeader("content-disposition", WebFilenameUtils.disposition(fileName + ".pdf"));
writeToResponse(response, baos);
}
}