112 lines
3.5 KiB
Java
112 lines
3.5 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email.mail.internet;
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import java.io.BufferedWriter;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.OutputStreamWriter;
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import com.android.email.mail.BodyPart;
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import com.android.email.mail.MessagingException;
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import com.android.email.mail.Multipart;
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public class MimeMultipart extends Multipart {
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protected String mPreamble;
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protected String mContentType;
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protected String mBoundary;
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protected String mSubType;
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public MimeMultipart() throws MessagingException {
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mBoundary = generateBoundary();
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setSubType("mixed");
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}
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public MimeMultipart(String contentType) throws MessagingException {
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this.mContentType = contentType;
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try {
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mSubType = MimeUtility.getHeaderParameter(contentType, null).split("/")[1];
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mBoundary = MimeUtility.getHeaderParameter(contentType, "boundary");
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if (mBoundary == null) {
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throw new MessagingException("MultiPart does not contain boundary: " + contentType);
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}
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} catch (Exception e) {
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throw new MessagingException(
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"Invalid MultiPart Content-Type; must contain subtype and boundary. ("
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+ contentType + ")", e);
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}
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}
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public String generateBoundary() {
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StringBuffer sb = new StringBuffer();
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sb.append("----");
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for (int i = 0; i < 30; i++) {
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sb.append(Integer.toString((int)(Math.random() * 35), 36));
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}
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return sb.toString().toUpperCase();
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}
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public String getPreamble() throws MessagingException {
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return mPreamble;
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}
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public void setPreamble(String preamble) throws MessagingException {
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this.mPreamble = preamble;
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}
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@Override
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public String getContentType() throws MessagingException {
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return mContentType;
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}
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public void setSubType(String subType) throws MessagingException {
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this.mSubType = subType;
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mContentType = String.format("multipart/%s; boundary=\"%s\"", subType, mBoundary);
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}
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public void writeTo(OutputStream out) throws IOException, MessagingException {
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BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out), 1024);
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if (mPreamble != null) {
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writer.write(mPreamble + "\r\n");
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}
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for (int i = 0, count = mParts.size(); i < count; i++) {
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BodyPart bodyPart = (BodyPart)mParts.get(i);
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writer.write("--" + mBoundary + "\r\n");
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writer.flush();
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bodyPart.writeTo(out);
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writer.write("\r\n");
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}
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writer.write("--" + mBoundary + "--\r\n");
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writer.flush();
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}
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public InputStream getInputStream() throws MessagingException {
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return null;
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}
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public String getSubTypeForTest() {
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return mSubType;
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}
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}
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