1/*
 2 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
 3 *
 4 * Redistribution and use in source and binary forms, with or without modification,
 5 * are permitted provided that the following conditions are met:
 6 *
 7 * 1. Redistributions of source code must retain the above copyright notice, this
 8 * list of conditions and the following disclaimer.
 9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation and/or
12 * other materials provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors
15 * may be used to endorse or promote products derived from this software without
16 * specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30package eu.siacs.conversations.http;
31
32import java.net.MalformedURLException;
33import java.net.URL;
34import java.net.URLConnection;
35import java.net.URLStreamHandler;
36
37import eu.siacs.conversations.xml.Element;
38
39public class P1S3UrlStreamHandler extends URLStreamHandler {
40
41	public static final String PROTOCOL_NAME = "p1s3";
42
43	@Override
44	protected URLConnection openConnection(URL url) {
45		throw new IllegalStateException("Unable to open connection with stub protocol");
46	}
47
48	public static URL of(String fileId, String filename) throws MalformedURLException {
49		if (fileId == null || filename == null) {
50			throw new MalformedURLException("Paramaters must not be null");
51		}
52		return new URL(PROTOCOL_NAME+"://" + fileId + "/" + filename);
53	}
54
55	public static URL of(Element x) {
56		try {
57			return of(x.getAttribute("fileid"),x.getAttribute("name"));
58		} catch (MalformedURLException e) {
59			return null;
60		}
61	}
62}