1 /*
2 * Copyright (C) 2009-2010, Google Inc.
3 * and other copyright owners as documented in the project's IP log.
4 *
5 * This program and the accompanying materials are made available
6 * under the terms of the Eclipse Distribution License v1.0 which
7 * accompanies this distribution, is reproduced below, and is
8 * available at http://www.eclipse.org/org/documents/edl-v10.php
9 *
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials provided
22 * with the distribution.
23 *
24 * - Neither the name of the Eclipse Foundation, Inc. nor the
25 * names of its contributors may be used to endorse or promote
26 * products derived from this software without specific prior
27 * written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 package org.eclipse.jgit.http.server;
45
46 import static java.nio.charset.StandardCharsets.UTF_8;
47 import static org.eclipse.jgit.http.server.ServletUtils.getRepository;
48
49 import java.io.IOException;
50 import java.io.OutputStreamWriter;
51
52 import javax.servlet.http.HttpServlet;
53 import javax.servlet.http.HttpServletRequest;
54 import javax.servlet.http.HttpServletResponse;
55
56 import org.eclipse.jgit.lib.Constants;
57 import org.eclipse.jgit.lib.Repository;
58 import org.eclipse.jgit.transport.RefAdvertiser;
59 import org.eclipse.jgit.util.HttpSupport;
60
61 /** Send a complete list of current refs, including peeled values for tags. */
62 class InfoRefsServlet extends HttpServlet {
63 private static final long serialVersionUID = 1L;
64
65 /** {@inheritDoc} */
66 @Override
67 public void doGet(final HttpServletRequest req,
68 final HttpServletResponse rsp) throws IOException {
69 // Assume a dumb client and send back the dumb client
70 // version of the info/refs file.
71 rsp.setContentType(HttpSupport.TEXT_PLAIN);
72 rsp.setCharacterEncoding(Constants.CHARACTER_ENCODING);
73
74 final Repository db = getRepository(req);
75 try (OutputStreamWriter out = new OutputStreamWriter(
76 new SmartOutputStream(req, rsp, true),
77 UTF_8)) {
78 final RefAdvertiser adv = new RefAdvertiser() {
79 @Override
80 protected void writeOne(CharSequence line)
81 throws IOException {
82 // Whoever decided that info/refs should use a different
83 // delimiter than the native git:// protocol shouldn't
84 // be allowed to design this sort of stuff. :-(
85 out.append(line.toString().replace(' ', '\t'));
86 }
87
88 @Override
89 protected void end() {
90 // No end marker required for info/refs format.
91 }
92 };
93 adv.init(db);
94 adv.setDerefTags(true);
95 adv.send(db.getRefDatabase().getRefsByPrefix(Constants.R_REFS));
96 }
97 }
98 }