package com.ld.igds.file;
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import com.bstek.bdf2.core.context.ContextHolder;
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import com.bstek.dorado.annotation.Expose;
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import com.bstek.dorado.uploader.DownloadFile;
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import com.bstek.dorado.uploader.UploadFile;
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import com.bstek.dorado.uploader.annotation.FileProvider;
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import com.bstek.dorado.uploader.annotation.FileResolver;
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import com.ld.igds.util.ContextUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.time.DateUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URLDecoder;
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import java.util.Date;
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import java.util.Map;
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/**
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* 工单附件文件上传、下载、删除等操作
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*
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* @author Andy
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*/
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@Slf4j
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@Component
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public class ApplyOrderUploadProcessor {
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@Autowired
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private CoreFileService fileService;
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/**
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* applyOrderUploadProcessor#uploadApplyOrderFile
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*
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* @param file
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* @param parameter
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* @return fileId 新文件ID包含文件后缀
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*/
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@FileResolver
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public String uploadApplyOrderFile(UploadFile file, Map<String, Object> parameter) {
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log.debug("---uploadApplyOrderFile-----{}", file.getFileName());
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String fileId = null;
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try {
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String basePath = fileService.getCommonFilePath(null);
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fileId = ContextUtil.getTimeId(1000)
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+ file.getFileName().substring(
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file.getFileName().lastIndexOf("."));
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file.transferTo(new File(basePath + fileId));
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} catch (IllegalStateException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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return fileId;
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}
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/**
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* applyOrderUploadProcessor#downloadApplyOrderFile 文件下载
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*
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* @param parameter
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* @return
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* @throws IOException
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*/
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@FileProvider
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public DownloadFile downloadApplyOrderFile(Map<String, Object> parameter) throws Exception {
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InputStream inputStream = null;
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try {
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String info = ContextHolder.getRequest().getHeader("User-Agent");
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String fileName = (String) parameter.get("fileName");
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String fileId = (String) parameter.get("fileId");
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String timeStr = (String) parameter.get("createTime");
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Date createTime = DateUtils.parseDate(timeStr, "yyyy-MM-dd hh:mm:ss");
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if (null == createTime) createTime = new Date();
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fileName = URLDecoder.decode(fileName, "UTF-8");
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log.debug("---downloadApplyOrderFile-----{}", fileName);
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File file = new File(fileService.getCommonFilePath(createTime), fileId);
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if (!file.exists()) {
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throw new Exception("附件不存在");
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}
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inputStream = new FileInputStream(file);
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DownloadFile dlFile = new DownloadFile(fileId, inputStream);
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// 浏览器的默认编码不同,IE下BGK
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if (info.indexOf("MSIE") != -1) {
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dlFile.setFileName(new String(fileName.getBytes("GBK"), "iso-8859-1"));
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} else {// firefox、chrome、safari、opera
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dlFile.setFileName(new String(fileName.getBytes("UTF-8"), "iso-8859-1"));
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}
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return dlFile;
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} catch (Exception e) {
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if (null != inputStream)
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inputStream.close();
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log.error("下载附件执行失败：{}", e.getMessage());
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}
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return null;
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}
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/**
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* applyOrderUploadProcessor#delFile
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*
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* @param parameter
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* @return
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* @throws IOException
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*/
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@Expose
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public String delFile(Map<String, Object> parameter) throws Exception {
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String fileName = (String) parameter.get("fileName");
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String fileId = (String) parameter.get("fileId");
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Date createTime = (Date) parameter.get("createTime");
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if (null == createTime) createTime = new Date();
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fileName = URLDecoder.decode(fileName, "UTF-8");
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log.debug("---delFile-----{}", fileName);
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File file = new File(fileService.getCommonFilePath(createTime), fileId);
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if (!file.exists()) {
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return "删除失败，系统未找到当前附件";
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}
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file.delete();
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fileService.delFile(fileId);
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return null;
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}
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}
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