1.优化代码结构，抽象预览接口服务

2.新增更多图片预览格式支持
2018-01-17 17:51:53 +08:00
parent 78de36964d
commit 2f86701eea
33 changed files with 447 additions and 2631 deletions
--- a/jodconverter-web/src/main/java/cn/keking/service/impl/CompressFilePreviewImpl.java
+++ b/jodconverter-web/src/main/java/cn/keking/service/impl/CompressFilePreviewImpl.java
@ -0,0 +1,62 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.param.ReturnResponse;
+import cn.keking.service.FilePreview;
+import cn.keking.utils.DownloadUtils;
+import cn.keking.utils.FileUtils;
+import cn.keking.utils.ZipReader;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+import org.springframework.util.StringUtils;
+
+/**
+ * Created by kl on 2018/1/17.
+ * Content :处理压缩包文件
+ */
+@Service
+public class CompressFilePreviewImpl implements FilePreview{
+
+    @Autowired
+    FileUtils fileUtils;
+
+    @Autowired
+    DownloadUtils downloadUtils;
+
+    @Autowired
+    ZipReader zipReader;
+
+    @Override
+    public String filePreviewHandle(String url, Model model) {
+        FileAttribute fileAttribute=fileUtils.getFileAttribute(url);
+        String fileName=fileAttribute.getName();
+        String decodedUrl=fileAttribute.getDecodedUrl();
+        String suffix=fileAttribute.getSuffix();
+        String fileTree = null;
+        // 判断文件名是否存在(redis缓存读取)
+        if (!StringUtils.hasText(fileUtils.getConvertedFile(fileName))) {
+            ReturnResponse<String> response = downloadUtils.downLoad(decodedUrl, suffix, fileName);
+            if (0 != response.getCode()) {
+                model.addAttribute("msg", response.getMsg());
+                return "fileNotSupported";
+            }
+            String filePath = response.getContent();
+            if ("zip".equalsIgnoreCase(suffix) || "jar".equalsIgnoreCase(suffix) || "gzip".equalsIgnoreCase(suffix)) {
+                fileTree = zipReader.readZipFile(filePath, fileName);
+            } else if ("rar".equalsIgnoreCase(suffix)) {
+                fileTree = zipReader.unRar(filePath, fileName);
+            }
+            fileUtils.addConvertedFile(fileName, fileTree);
+        } else {
+            fileTree = fileUtils.getConvertedFile(fileName);
+        }
+        if (null != fileTree) {
+            model.addAttribute("fileTree", fileTree);
+            return "compress";
+        } else {
+            model.addAttribute("msg", "压缩文件类型不受支持，尝试在压缩的时候选择RAR4格式");
+            return "fileNotSupported";
+        }
+    }
+}