48 lines
1.7 KiB
Java
48 lines
1.7 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.service.FileHandlerService;
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import cn.keking.web.filter.BaseUrlFilter;
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import org.springframework.stereotype.Service;
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import org.springframework.ui.Model;
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/**
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* @author : kl
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* @authorboke : kailing.pub
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* @create : 2018-03-25 上午11:58
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* @description:
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**/
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@Service
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public class MediaFilePreviewImpl implements FilePreview {
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private final FileHandlerService fileHandlerService;
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private final OtherFilePreviewImpl otherFilePreview;
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public MediaFilePreviewImpl(FileHandlerService fileHandlerService, OtherFilePreviewImpl otherFilePreview) {
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this.fileHandlerService = fileHandlerService;
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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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// 不是http开头，浏览器不能直接访问，需下载到本地
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if (url != null && !url.toLowerCase().startsWith("http")) {
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ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileAttribute.getName());
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if (response.isFailure()) {
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return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
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} else {
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model.addAttribute("mediaUrl", BaseUrlFilter.getBaseUrl() + fileHandlerService.getRelativePath(response.getContent()));
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}
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} else {
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model.addAttribute("mediaUrl", url);
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}
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model.addAttribute("mediaUrl", url);
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return MEDIA_FILE_PREVIEW_PAGE;
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}
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}
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