1 /*
2 * Copyright 2004-2007 the original author or authors.
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.kuali.maven.wagon;
17
18 import java.io.File;
19 import java.io.FileNotFoundException;
20 import java.io.FileOutputStream;
21 import java.io.IOException;
22
23 /**
24 * An extension to the {@link FileOutputStream} that notifies
25 * a @{link TransferProgress} object as it is being written to.
26 *
27 * @author Ben Hale
28 * @since 1.1
29 */
30 class TransferProgressFileOutputStream extends FileOutputStream {
31
32 private TransferProgress progress;
33
34 public TransferProgressFileOutputStream(File file, TransferProgress progress) throws FileNotFoundException {
35 super(file);
36 this.progress = progress;
37 }
38
39 public void write(int b) throws IOException {
40 super.write(b);
41 progress.notify(new byte[]{(byte) b}, 1);
42 }
43
44 public void write(byte b[]) throws IOException {
45 super.write(b);
46 progress.notify(b, b.length);
47 }
48
49 public void write(byte b[], int off, int len) throws IOException {
50 super.write(b, off, len);
51 if (off == 0) {
52 progress.notify(b, len);
53 } else {
54 byte[] bytes = new byte[len];
55 System.arraycopy(b, off, bytes, 0, len);
56 progress.notify(bytes, len);
57 }
58 }
59 }