1 files changed, 113 insertions, 0 deletions
diff --git a/java/com/android/voicemail/impl/mail/internet/MimeMultipart.java b/java/com/android/voicemail/impl/mail/internet/MimeMultipart.java
new file mode 100644
index 000000000..87b88b52a
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+++ b/java/com/android/voicemail/impl/mail/internet/MimeMultipart.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * 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.android.voicemail.impl.mail.internet;
+
+import com.android.voicemail.impl.mail.BodyPart;
+import com.android.voicemail.impl.mail.MessagingException;
+import com.android.voicemail.impl.mail.Multipart;
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+
+public class MimeMultipart extends Multipart {
+  protected String mPreamble;
+
+  protected String mContentType;
+
+  protected String mBoundary;
+
+  protected String mSubType;
+
+  public MimeMultipart() throws MessagingException {
+    mBoundary = generateBoundary();
+    setSubType("mixed");
+  }
+
+  public MimeMultipart(String contentType) throws MessagingException {
+    this.mContentType = contentType;
+    try {
+      mSubType = MimeUtility.getHeaderParameter(contentType, null).split("/")[1];
+      mBoundary = MimeUtility.getHeaderParameter(contentType, "boundary");
+      if (mBoundary == null) {
+        throw new MessagingException("MultiPart does not contain boundary: " + contentType);
+      }
+    } catch (Exception e) {
+      throw new MessagingException(
+          "Invalid MultiPart Content-Type; must contain subtype and boundary. ("
+              + contentType
+              + ")",
+          e);
+    }
+  }
+
+  public String generateBoundary() {
+    StringBuffer sb = new StringBuffer();
+    sb.append("----");
+    for (int i = 0; i < 30; i++) {
+      sb.append(Integer.toString((int) (Math.random() * 35), 36));
+    }
+    return sb.toString().toUpperCase();
+  }
+
+  public String getPreamble() throws MessagingException {
+    return mPreamble;
+  }
+
+  public void setPreamble(String preamble) throws MessagingException {
+    this.mPreamble = preamble;
+  }
+
+  @Override
+  public String getContentType() throws MessagingException {
+    return mContentType;
+  }
+
+  public void setSubType(String subType) throws MessagingException {
+    this.mSubType = subType;
+    mContentType = String.format("multipart/%s; boundary=\"%s\"", subType, mBoundary);
+  }
+
+  @Override
+  public void writeTo(OutputStream out) throws IOException, MessagingException {
+    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out), 1024);
+
+    if (mPreamble != null) {
+      writer.write(mPreamble + "\r\n");
+    }
+
+    for (int i = 0, count = mParts.size(); i < count; i++) {
+      BodyPart bodyPart = mParts.get(i);
+      writer.write("--" + mBoundary + "\r\n");
+      writer.flush();
+      bodyPart.writeTo(out);
+      writer.write("\r\n");
+    }
+
+    writer.write("--" + mBoundary + "--\r\n");
+    writer.flush();
+  }
+
+  @Override
+  public InputStream getInputStream() throws MessagingException {
+    return null;
+  }
+
+  public String getSubTypeForTest() {
+    return mSubType;
+  }
+}