1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.voicemail.impl.mail.utility;
17
18import java.io.IOException;
19import java.io.OutputStream;
20
21/**
22 * A simple pass-thru OutputStream that also counts how many bytes are written to it and makes that
23 * count available to callers.
24 */
25public class CountingOutputStream extends OutputStream {
26  private long count;
27  private final OutputStream outputStream;
28
29  public CountingOutputStream(OutputStream outputStream) {
30    this.outputStream = outputStream;
31  }
32
33  public long getCount() {
34    return count;
35  }
36
37  @Override
38  public void write(byte[] buffer, int offset, int count) throws IOException {
39    outputStream.write(buffer, offset, count);
40    this.count += count;
41  }
42
43  @Override
44  public void write(int oneByte) throws IOException {
45    outputStream.write(oneByte);
46    count++;
47  }
48}
49