48 lines
1.6 KiB
Java
48 lines
1.6 KiB
Java
package cn.keking.service.impl;
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import cn.keking.model.FileAttribute;
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import cn.keking.model.ReturnResponse;
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import cn.keking.service.FilePreview;
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import cn.keking.utils.DownloadUtils;
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import cn.keking.utils.KkFileUtils;
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import jodd.io.FileUtil;
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import org.apache.commons.codec.binary.Base64;
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import org.springframework.stereotype.Service;
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import org.springframework.ui.Model;
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import java.io.File;
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import java.io.IOException;
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/**
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* Created by kl on 2018/1/17.
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* Content :处理文本文件
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*/
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@Service
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public class SimTextFilePreviewImpl implements FilePreview {
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private final OtherFilePreviewImpl otherFilePreview;
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public SimTextFilePreviewImpl(OtherFilePreviewImpl otherFilePreview) {
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this.otherFilePreview = otherFilePreview;
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}
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@Override
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public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
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String fileName = fileAttribute.getName();
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ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
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if (response.isFailure()) {
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return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
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}
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try {
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File originFile = new File(response.getContent());
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String charset = KkFileUtils.getFileEncode(originFile);
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String fileData = FileUtil.readString(originFile, charset);
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model.addAttribute("textData", Base64.encodeBase64String(fileData.getBytes()));
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} catch (IOException e) {
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return otherFilePreview.notSupportedFile(model, fileAttribute, e.getLocalizedMessage());
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}
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return TXT_FILE_PREVIEW_PAGE;
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}
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}
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