file-online-preview/jodconverter-web/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java

package cn.keking.service.impl;

import cn.keking.model.FileAttribute;
import cn.keking.model.ReturnResponse;
import cn.keking.service.FilePreview;
import cn.keking.utils.FileUtils;
import cn.keking.utils.SimTextUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;

/**
 * Created by kl on 2018/1/17.
 * Content :处理文本文件
 */
@Service
public class SimTextFilePreviewImpl implements FilePreview{

    @Autowired
    SimTextUtil simTextUtil;

    @Autowired
    FileUtils fileUtils;

    @Override
    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute){
        String decodedUrl=fileAttribute.getDecodedUrl();
        String fileName=fileAttribute.getName();
        ReturnResponse<String> response = simTextUtil.readSimText(decodedUrl, fileName);
        if (0 != response.getCode()) {
            model.addAttribute("msg", response.getMsg());
            model.addAttribute("fileType",fileAttribute.getSuffix());
            return "fileNotSupported";
        }
        try {
            File originFile = new File(response.getContent());
            File previewFile = new File(response.getContent() + ".txt");
            if (previewFile.exists()) {
                previewFile.delete();
            }
            Files.copy(originFile.toPath(), previewFile.toPath());
        } catch (IOException e) {
            model.addAttribute("msg", e.getLocalizedMessage());
            model.addAttribute("fileType",fileAttribute.getSuffix());
            return "fileNotSupported";
        }
        model.addAttribute("ordinaryUrl", response.getMsg() + ".txt");
        return "txt";
    }

}