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Java > Open Source Codes > org > netbeans > modules > proxy > InterruptibleInputStream


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.proxy;
21
22 import java.io.FilterInputStream JavaDoc;
23 import java.io.InputStream JavaDoc;
24 import java.io.IOException JavaDoc;
25 import java.io.InterruptedIOException JavaDoc;
26
27 /**
28  * Wrapper input stream that reacts to Thread.interrupt().
29  *
30  * @author Maros Sandor
31  */
32 public class InterruptibleInputStream extends FilterInputStream JavaDoc {
33
34     public InterruptibleInputStream(InputStream JavaDoc in) {
35         super(in);
36     }
37
38     public int read() throws IOException JavaDoc {
39         waitAvailable();
40         return in.read();
41     }
42
43     public int read(byte b[], int off, int len) throws IOException JavaDoc {
44         waitAvailable();
45         return super.read(b, off, len);
46     }
47
48     private void waitAvailable() throws IOException JavaDoc {
49         while (in.available() == 0) {
50             try {
51                 Thread.sleep(100);
52             } catch (InterruptedException JavaDoc e) {
53                 throw new InterruptedIOException JavaDoc();
54             }
55         }
56     }
57 }
58
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