KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > commons > io > output > CountingOutputStream


1 /*
2  * Copyright 2001-2004 The Apache Software Foundation.
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  */
16 package org.apache.commons.io.output;
17
18 import java.io.IOException JavaDoc;
19 import java.io.OutputStream JavaDoc;
20
21 /**
22  * Used in debugging, it counts the number of bytes that pass
23  * through it.
24  *
25  * @author <a HREF="mailto:bayard@apache.org">Henri Yandell</a>
26  * @version $Id: CountingOutputStream.java,v 1.5 2004/02/23 04:40:29 bayard Exp $
27  */
28 public class CountingOutputStream extends ProxyOutputStream {
29
30     private int count;
31
32     /**
33      * Constructs a CountingOutputStream.
34      * @param out the OutputStream to write to
35      */
36     public CountingOutputStream( OutputStream JavaDoc out ) {
37         super(out);
38     }
39
40     /** @see java.io.OutputStream#write(byte[]) */
41     public void write(byte[] b) throws IOException JavaDoc {
42         count += b.length;
43         super.write(b);
44     }
45
46     /** @see java.io.OutputStream#write(byte[], int, int) */
47     public void write(byte[] b, int off, int len) throws IOException JavaDoc {
48         count += len;
49         super.write(b, off, len);
50     }
51
52     /** @see java.io.OutputStream#write(int) */
53     public void write(int b) throws IOException JavaDoc {
54         count++;
55         super.write(b);
56     }
57
58     /**
59      * The number of bytes that have passed through this stream.
60      * @return the number of bytes accumulated
61      */
62     public int getCount() {
63         return this.count;
64     }
65
66 }
67
Popular Tags