Revert "Revert "support sendemail about md file.""

This reverts commit 66b01f0.

Author: zqburde

dss-appconn/appconns/dss-sendemail-appconn/sendemail-appconn-core/src/main/scala/com/webank/wedatasphere/dss/appconn/sendemail/conf/SendEmailAppConnConfiguration.scala

@@ -52,5 +52,6 @@ object SendEmailAppConnConfiguration {
   val EMAIL_ENTITY_CLASSES = CommonVars("wds.dss.appconn.email.hook.entity.classes",
     "com.webank.wedatasphere.dss.appconn.sendemail.hook.entity.newvisualis.NewVisualisEmailInfo," +
       "com.webank.wedatasphere.dss.appconn.sendemail.hook.entity.visualis.VisualisEmailInfo," +
-      "com.webank.wedatasphere.dss.appconn.sendemail.hook.entity.visualis.MetaBaseEmailInfo")
+      "com.webank.wedatasphere.dss.appconn.sendemail.hook.entity.visualis.MetaBaseEmailInfo," +
+      "com.webank.wedatasphere.dss.appconn.sendemail.hook.entity.mlss.MlssEmailInfo")
 }

dss-appconn/appconns/dss-sendemail-appconn/sendemail-appconn-core/src/main/scala/com/webank/wedatasphere/dss/appconn/sendemail/email/domain/MdAttachment.scala

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2019 WeBank
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.webank.wedatasphere.dss.appconn.sendemail.email.domain
+
+import java.io.File
+
+class MdAttachment(name: String, b64: String) extends Attachment {
+
+  override def getName: String = name
+
+  override def getBase64Str: String = b64
+
+  override def getFile: File = null //TODO write b64 to file
+
+  override def getMediaType: String = "application/md"
+
+}

dss-appconn/appconns/dss-sendemail-appconn/sendemail-appconn-core/src/main/scala/com/webank/wedatasphere/dss/appconn/sendemail/emailcontent/parser/PictureEmailContentParser.scala

@@ -20,14 +20,15 @@ import java.awt.image.BufferedImage
 import java.io.{ByteArrayInputStream, ByteArrayOutputStream, InputStream}
 import java.util
 import java.util.{Base64, Iterator, UUID}
-
-import com.webank.wedatasphere.dss.appconn.sendemail.email.domain.{AbstractEmail, ExcelAttachment, MultiContentEmail, PdfAttachment, PngAttachment}
+import com.webank.wedatasphere.dss.appconn.sendemail.email.domain.{AbstractEmail, ExcelAttachment, MdAttachment, MultiContentEmail, PdfAttachment, PngAttachment}
 import com.webank.wedatasphere.dss.appconn.sendemail.emailcontent.domain.PictureEmailContent
 import org.apache.linkis.common.conf.Configuration
+
 import javax.imageio.{ImageIO, ImageReader}
 import org.apache.commons.codec.binary.Base64OutputStream
 import com.webank.wedatasphere.dss.appconn.sendemail.conf.SendEmailAppConnConfiguration._
 import com.webank.wedatasphere.dss.appconn.sendemail.exception.EmailSendFailedException
+
 import javax.imageio.stream.ImageInputStream
 import org.apache.commons.io.IOUtils
 import org.apache.linkis.common.utils.Utils
@@ -46,6 +47,12 @@ object PictureEmailContentParser extends AbstractEmailContentParser[PictureEmail
           val decoder = Base64.getDecoder
           val byteArr = decoder.decode(imageStr)
           multiContentEmail.addAttachment(new PdfAttachment(pdfName, Base64.getEncoder.encodeToString(byteArr)))
+        case "md" =>
+          val mdUUID: String = UUID.randomUUID.toString
+          val mdName = mdUUID + ".md"
+          val decoder = Base64.getDecoder
+          val byteArr = decoder.decode(imageStr)
+          multiContentEmail.addAttachment(new MdAttachment(mdName, Base64.getEncoder.encodeToString(byteArr)))
         case "excel" =>
           //val excelUUID: String = UUID.randomUUID.toString
           val excelName = emailContent.getFileName + ".xlsx"