| /* |
| * 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.Body; |
| import com.android.phone.common.mail.BodyPart; |
| import com.android.phone.common.mail.MessagingException; |
| |
| import java.io.BufferedWriter; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.util.regex.Pattern; |
| |
| /** |
| * TODO this is a close approximation of Message, need to update along with |
| * Message. |
| */ |
| public class MimeBodyPart extends BodyPart { |
| protected MimeHeader mHeader = new MimeHeader(); |
| protected MimeHeader mExtendedHeader; |
| protected Body mBody; |
| protected int mSize; |
| |
| // regex that matches content id surrounded by "<>" optionally. |
| private static final Pattern REMOVE_OPTIONAL_BRACKETS = Pattern.compile("^<?([^>]+)>?$"); |
| // regex that matches end of line. |
| private static final Pattern END_OF_LINE = Pattern.compile("\r?\n"); |
| |
| public MimeBodyPart() throws MessagingException { |
| this(null); |
| } |
| |
| public MimeBodyPart(Body body) throws MessagingException { |
| this(body, null); |
| } |
| |
| public MimeBodyPart(Body body, String mimeType) throws MessagingException { |
| if (mimeType != null) { |
| setHeader(MimeHeader.HEADER_CONTENT_TYPE, mimeType); |
| } |
| setBody(body); |
| } |
| |
| protected String getFirstHeader(String name) throws MessagingException { |
| return mHeader.getFirstHeader(name); |
| } |
| |
| @Override |
| public void addHeader(String name, String value) throws MessagingException { |
| mHeader.addHeader(name, value); |
| } |
| |
| @Override |
| public void setHeader(String name, String value) throws MessagingException { |
| mHeader.setHeader(name, value); |
| } |
| |
| @Override |
| public String[] getHeader(String name) throws MessagingException { |
| return mHeader.getHeader(name); |
| } |
| |
| @Override |
| public void removeHeader(String name) throws MessagingException { |
| mHeader.removeHeader(name); |
| } |
| |
| @Override |
| public Body getBody() throws MessagingException { |
| return mBody; |
| } |
| |
| @Override |
| public void setBody(Body body) throws MessagingException { |
| this.mBody = body; |
| if (body instanceof com.android.phone.common.mail.Multipart) { |
| com.android.phone.common.mail.Multipart multipart = |
| ((com.android.phone.common.mail.Multipart)body); |
| multipart.setParent(this); |
| setHeader(MimeHeader.HEADER_CONTENT_TYPE, multipart.getContentType()); |
| } |
| else if (body instanceof TextBody) { |
| String contentType = String.format("%s;\n charset=utf-8", getMimeType()); |
| String name = MimeUtility.getHeaderParameter(getContentType(), "name"); |
| if (name != null) { |
| contentType += String.format(";\n name=\"%s\"", name); |
| } |
| setHeader(MimeHeader.HEADER_CONTENT_TYPE, contentType); |
| setHeader(MimeHeader.HEADER_CONTENT_TRANSFER_ENCODING, "base64"); |
| } |
| } |
| |
| @Override |
| public String getContentType() throws MessagingException { |
| String contentType = getFirstHeader(MimeHeader.HEADER_CONTENT_TYPE); |
| if (contentType == null) { |
| return "text/plain"; |
| } else { |
| return contentType; |
| } |
| } |
| |
| @Override |
| public String getDisposition() throws MessagingException { |
| String contentDisposition = getFirstHeader(MimeHeader.HEADER_CONTENT_DISPOSITION); |
| if (contentDisposition == null) { |
| return null; |
| } else { |
| return contentDisposition; |
| } |
| } |
| |
| @Override |
| public String getContentId() throws MessagingException { |
| String contentId = getFirstHeader(MimeHeader.HEADER_CONTENT_ID); |
| if (contentId == null) { |
| return null; |
| } else { |
| // remove optionally surrounding brackets. |
| return REMOVE_OPTIONAL_BRACKETS.matcher(contentId).replaceAll("$1"); |
| } |
| } |
| |
| @Override |
| public String getMimeType() throws MessagingException { |
| return MimeUtility.getHeaderParameter(getContentType(), null); |
| } |
| |
| @Override |
| public boolean isMimeType(String mimeType) throws MessagingException { |
| return getMimeType().equals(mimeType); |
| } |
| |
| public void setSize(int size) { |
| this.mSize = size; |
| } |
| |
| @Override |
| public int getSize() throws MessagingException { |
| return mSize; |
| } |
| |
| /** |
| * Set extended header |
| * |
| * @param name Extended header name |
| * @param value header value - flattened by removing CR-NL if any |
| * remove header if value is null |
| * @throws MessagingException |
| */ |
| @Override |
| public void setExtendedHeader(String name, String value) throws MessagingException { |
| if (value == null) { |
| if (mExtendedHeader != null) { |
| mExtendedHeader.removeHeader(name); |
| } |
| return; |
| } |
| if (mExtendedHeader == null) { |
| mExtendedHeader = new MimeHeader(); |
| } |
| mExtendedHeader.setHeader(name, END_OF_LINE.matcher(value).replaceAll("")); |
| } |
| |
| /** |
| * Get extended header |
| * |
| * @param name Extended header name |
| * @return header value - null if header does not exist |
| * @throws MessagingException |
| */ |
| @Override |
| public String getExtendedHeader(String name) throws MessagingException { |
| if (mExtendedHeader == null) { |
| return null; |
| } |
| return mExtendedHeader.getFirstHeader(name); |
| } |
| |
| /** |
| * Write the MimeMessage out in MIME format. |
| */ |
| @Override |
| public void writeTo(OutputStream out) throws IOException, MessagingException { |
| BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out), 1024); |
| mHeader.writeTo(out); |
| writer.write("\r\n"); |
| writer.flush(); |
| if (mBody != null) { |
| mBody.writeTo(out); |
| } |
| } |
| } |