| /* |
| * 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.MessagingException; |
| import com.android.phone.common.mail.TempDirectory; |
| |
| import org.apache.commons.io.IOUtils; |
| |
| import android.util.Base64; |
| import android.util.Base64OutputStream; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.FilterInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| /** |
| * A Body that is backed by a temp file. The Body exposes a getOutputStream method that allows |
| * the user to write to the temp file. After the write the body is available via getInputStream |
| * and writeTo one time. After writeTo is called, or the InputStream returned from |
| * getInputStream is closed the file is deleted and the Body should be considered disposed of. |
| */ |
| public class BinaryTempFileBody implements Body { |
| private File mFile; |
| |
| /** |
| * An alternate way to put data into a BinaryTempFileBody is to simply supply an already- |
| * created file. Note that this file will be deleted after it is read. |
| * @param filePath The file containing the data to be stored on disk temporarily |
| */ |
| public void setFile(String filePath) { |
| mFile = new File(filePath); |
| } |
| |
| public OutputStream getOutputStream() throws IOException { |
| mFile = File.createTempFile("body", null, TempDirectory.getTempDirectory()); |
| mFile.deleteOnExit(); |
| return new FileOutputStream(mFile); |
| } |
| |
| @Override |
| public InputStream getInputStream() throws MessagingException { |
| try { |
| return new BinaryTempFileBodyInputStream(new FileInputStream(mFile)); |
| } |
| catch (IOException ioe) { |
| throw new MessagingException("Unable to open body", ioe); |
| } |
| } |
| |
| @Override |
| public void writeTo(OutputStream out) throws IOException, MessagingException { |
| InputStream in = getInputStream(); |
| Base64OutputStream base64Out = new Base64OutputStream( |
| out, Base64.CRLF | Base64.NO_CLOSE); |
| IOUtils.copy(in, base64Out); |
| base64Out.close(); |
| mFile.delete(); |
| in.close(); |
| } |
| |
| class BinaryTempFileBodyInputStream extends FilterInputStream { |
| public BinaryTempFileBodyInputStream(InputStream in) { |
| super(in); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| super.close(); |
| mFile.delete(); |
| } |
| } |
| } |