CompressUtil and FileTypeUtil are merged to FileUtil.

src/main/scala/util/FileUtil.scala

@@ -0,0 +1,47 @@
+package util
+
+import org.apache.commons.io.{IOUtils, FileUtils, FilenameUtils}
+import java.net.URLConnection
+import java.io.File
+import org.apache.commons.compress.archivers.zip.{ZipArchiveEntry, ZipArchiveOutputStream}
+
+object FileUtil {
+  
+  def getMimeType(name: String): String = {
+    val fileNameMap = URLConnection.getFileNameMap()
+    val mimeType = fileNameMap.getContentTypeFor(name)
+    if(mimeType == null){
+      "application/octeat-stream"
+    } else {
+      mimeType
+    }
+  }
+  
+  def isImage(name: String): Boolean = getMimeType(name).startsWith("image/")
+  
+  def isLarge(size: Long): Boolean = (size > 1024 * 1000)
+  
+  def isText(content: Array[Byte]): Boolean = !content.contains(0)
+
+  def createZipFile(dest: File, dir: File): Unit = {
+    def addDirectoryToZip(out: ZipArchiveOutputStream, dir: File, path: String): Unit = {
+      dir.listFiles.map { file =>
+        if(file.isFile){
+          out.putArchiveEntry(new ZipArchiveEntry(path + "/" + file.getName))
+          out.write(FileUtils.readFileToByteArray(file))
+          out.closeArchiveEntry
+        } else if(file.isDirectory){
+          addDirectoryToZip(out, file, path + "/" + file.getName)
+        }
+      }
+    }
+
+    val out = new ZipArchiveOutputStream(dest)
+    try {
+      addDirectoryToZip(out, dir, dir.getName)
+    } finally {
+      IOUtils.closeQuietly(out)
+    }
+  }
+
+}