KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > URLDumper


1 /*
2  * @(#)URLDumper.java 1.3 05/11/17
3  *
4  * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * -Redistribution of source code must retain the above copyright notice, this
10  * list of conditions and the following disclaimer.
11  *
12  * -Redistribution in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * Neither the name of Sun Microsystems, Inc. or the names of contributors may
17  * be used to endorse or promote products derived from this software without
18  * specific prior written permission.
19  *
20  * This software is provided "AS IS," without a warranty of any kind. ALL
21  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
22  * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
23  * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
24  * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
25  * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
26  * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
27  * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
28  * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
29  * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
30  * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
31  *
32  * You acknowledge that this software is not designed, licensed or intended
33  * for use in the design, construction, operation or maintenance of any
34  * nuclear facility.
35  */
36
37 import java.io.*;
38 import java.net.*;
39
40 /**
41  * A simple example to illustrate using a URL to access a resource
42  * and then store the result to a File.
43  * <P>
44  * Any type of URL can be used: http, https, ftp, etc.
45  *
46  * @author Brad R. Wetmore
47  * @author Mark Reinhold
48  * @version 1.3, 05/11/17
49  */
50 public class URLDumper {
51     public static void main(String JavaDoc[] args) throws Exception JavaDoc {
52
53     if (args.length != 2) {
54         System.out.println("Usage: URLDumper <URL> <file>");
55         System.exit(1);
56     }
57
58     String JavaDoc location = args[0];
59     String JavaDoc file = args[1];
60
61     URL url = new URL(location);
62     FileOutputStream fos = new FileOutputStream(file);
63
64     byte [] bytes = new byte [4096];
65
66     InputStream is = url.openStream();
67
68     int read;
69
70     while ((read = is.read(bytes)) != -1) {
71         fos.write(bytes, 0, read);
72     }
73
74     is.close();
75     fos.close();
76     }
77 }
78
Popular Tags