1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package org.apache.geronimo.javamail.util;
21
22 import java.io.IOException;
23 import java.io.OutputStream;
24
25 /**
26 * An implementation of an OutputStream just counts
27 * the number of bytes written to the stream.
28 * @version $Rev: 671217 $ $Date: 2008-06-24 11:39:52 -0400 (Tue, 24 Jun 2008) $
29 */
30 public class CountingOutputStream extends OutputStream {
31 // the counting accumulator
32 int count = 0;
33
34 // in order for this to work, we only need override the single character
35 // form, as the others
36 // funnel through this one by default.
37 public void write(int ch) throws IOException {
38 // just increment the count
39 count++;
40 }
41
42
43 /**
44 * Get the current accumulator total for this stream.
45 *
46 * @return The current count.
47 */
48 public int getCount() {
49 return count;
50 }
51
52
53 /**
54 * Reset the counter to zero.
55 */
56 public void reset() {
57 count = 0;
58 }
59 }
60