| /* |
| * 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.phone.common.mail.internet; |
| |
| import com.android.phone.common.mail.BodyPart; |
| import com.android.phone.common.mail.MessagingException; |
| import com.android.phone.common.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; |
| } |
| } |