支持http/https文件流作为预览源url

jodconverter-web/src/main/java/cn/keking/service/FilePreviewFactory.java

@@ -5,7 +5,6 @@ import cn.keking.utils.FileUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationContext;
 import org.springframework.stereotype.Service;
-import org.springframework.ui.Model;
 
 import java.util.Map;
 
@@ -22,9 +21,8 @@ public class FilePreviewFactory {
     @Autowired
     ApplicationContext context;
 
-    public FilePreview get(String url) {
+    public FilePreview get(FileAttribute fileAttribute) {
         Map<String, FilePreview> filePreviewMap = context.getBeansOfType(FilePreview.class);
-        FileAttribute fileAttribute = fileUtils.getFileAttribute(url);
         return filePreviewMap.get(fileAttribute.getType().getInstanceName());
     }
 }