| /* |
| * 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; |
| |
| import android.util.Base64; |
| import android.util.Base64OutputStream; |
| |
| import org.apache.commons.io.IOUtils; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| public class Base64Body implements Body { |
| private final InputStream mSource; |
| // Because we consume the input stream, we can only write out once |
| private boolean mAlreadyWritten; |
| |
| public Base64Body(InputStream source) { |
| mSource = source; |
| } |
| |
| @Override |
| public InputStream getInputStream() throws MessagingException { |
| return mSource; |
| } |
| |
| /** |
| * This method consumes the input stream, so can only be called once |
| * @param out Stream to write to |
| * @throws IllegalStateException If called more than once |
| * @throws IOException |
| * @throws MessagingException |
| */ |
| @Override |
| public void writeTo(OutputStream out) |
| throws IllegalStateException, IOException, MessagingException { |
| if (mAlreadyWritten) { |
| throw new IllegalStateException("Base64Body can only be written once"); |
| } |
| mAlreadyWritten = true; |
| try { |
| final Base64OutputStream b64out = new Base64OutputStream(out, Base64.DEFAULT); |
| IOUtils.copyLarge(mSource, b64out); |
| } finally { |
| mSource.close(); |
| } |
| } |
| } |