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annotate src/org/tmatesoft/hg/internal/remote/HttpConnector.java @ 705:b4242b7e7dfe

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Merge command: implement conflict resolution alternatives
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 15 Aug 2013 18:43:50 +0200
parents a483b2b68a2e
children
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1 /*
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2 * Copyright (c) 2013 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.internal.remote;
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18
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19 import java.io.BufferedReader;
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20 import java.io.ByteArrayInputStream;
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21 import java.io.FilterOutputStream;
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22 import java.io.IOException;
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23 import java.io.InputStream;
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24 import java.io.InputStreamReader;
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25 import java.io.OutputStream;
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26 import java.io.SequenceInputStream;
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27 import java.net.HttpURLConnection;
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28 import java.net.MalformedURLException;
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29 import java.net.URL;
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30 import java.net.URLConnection;
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31 import java.util.Collection;
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32 import java.util.List;
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33 import java.util.Map;
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34
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35 import org.tmatesoft.hg.auth.HgAuthFailedException;
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36 import org.tmatesoft.hg.auth.HgAuthenticator;
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37 import org.tmatesoft.hg.core.HgRemoteConnectionException;
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38 import org.tmatesoft.hg.core.Nodeid;
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39 import org.tmatesoft.hg.core.SessionContext;
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40 import org.tmatesoft.hg.internal.PropertyMarshal;
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41 import org.tmatesoft.hg.repo.HgRemoteRepository.Range;
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42 import org.tmatesoft.hg.repo.HgRemoteRepository.RemoteDescriptor;
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43 import org.tmatesoft.hg.repo.HgRuntimeException;
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44
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45 /**
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46 *
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47 * @author Artem Tikhomirov
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48 * @author TMate Software Ltd.
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49 */
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50 public class HttpConnector extends ConnectorBase {
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51 private RemoteDescriptor rd;
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52 private URL url;
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53 private boolean debug;
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54 private SessionContext sessionCtx;
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55 //
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56 private HttpURLConnection conn;
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57 private HttpAuthMethod authMediator;
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58
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59 public void init(RemoteDescriptor remote, SessionContext sessionContext, Object globalConfig) throws HgRuntimeException {
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60 rd = remote;
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61 setURI(remote.getURI());
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62 sessionCtx = sessionContext;
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63 debug = new PropertyMarshal(sessionContext).getBoolean("hg4j.remote.debug", false);
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64 }
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65
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66 public void connect() throws HgAuthFailedException, HgRemoteConnectionException, HgRuntimeException {
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67 try {
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68 url = uri.toURL();
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69 } catch (MalformedURLException ex) {
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70 throw new HgRemoteConnectionException("Bad URL", ex);
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71 }
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72 authMediator = new HttpAuthMethod(sessionCtx, url);
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73 authenticateClient();
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74 }
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75
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76 private void authenticateClient() throws HgAuthFailedException {
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77 String userInfo = url.getUserInfo();
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78 if (userInfo != null) {
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79 try {
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80 authMediator.tryWithUserInfo(userInfo);
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81 } catch (HgAuthFailedException ex) {
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82 // FALL THROUGH to try Authenticator
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83 }
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84 }
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85 HgAuthenticator auth = sessionCtx.getAuthenticator(rd);
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86 auth.authenticate(rd, authMediator);
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87 }
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89 public void disconnect() throws HgRemoteConnectionException, HgRuntimeException {
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90 // TODO Auto-generated method stub
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91
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92 }
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94 public void sessionBegin() throws HgRemoteConnectionException, HgRuntimeException {
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95 // TODO Auto-generated method stub
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96
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97 }
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99 public void sessionEnd() throws HgRemoteConnectionException, HgRuntimeException {
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100 if (conn != null) {
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101 conn.disconnect();
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102 conn = null;
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103 }
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104 }
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105
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106 public String getCapabilities() throws HgRemoteConnectionException {
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107 // say hello to server, check response
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108 try {
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109 URL u = new URL(url, url.getPath() + "?cmd=hello");
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110 HttpURLConnection c = setupConnection(u.openConnection());
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111 c.connect();
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112 if (debug) {
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113 dumpResponseHeader(u);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
114 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
115 BufferedReader r = new BufferedReader(new InputStreamReader(c.getInputStream(), "US-ASCII"));
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
116 String line = r.readLine();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
117 c.disconnect();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
118 final String capsPrefix = CMD_CAPABILITIES + ':';
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
119 if (line != null && line.startsWith(capsPrefix)) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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parents:
diff changeset
120 return line.substring(capsPrefix.length()).trim();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
121 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
122 // for whatever reason, some servers do not respond to hello command (e.g. svnkit)
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
123 // but respond to 'capabilities' instead. Try it.
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
124 // TODO [post-1.0] tests needed
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
125 u = new URL(url, url.getPath() + "?cmd=capabilities");
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
126 c = setupConnection(u.openConnection());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
127 c.connect();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
128 if (debug) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
129 dumpResponseHeader(u);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
130 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
131 r = new BufferedReader(new InputStreamReader(c.getInputStream(), "US-ASCII"));
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
132 line = r.readLine();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
133 c.disconnect();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
134 if (line != null && line.startsWith(capsPrefix)) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
135 return line.substring(capsPrefix.length()).trim();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
136 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
137 return new String();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
138 } catch (MalformedURLException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
139 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_HELLO).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
140 } catch (IOException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
141 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_HELLO).setServerInfo(getServerLocation());
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
142 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
143 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
144
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
145 public InputStream heads() throws HgRemoteConnectionException, HgRuntimeException {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
146 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
147 URL u = new URL(url, url.getPath() + "?cmd=heads");
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
148 conn = setupConnection(u.openConnection());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
149 conn.connect();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
150 if (debug) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
151 dumpResponseHeader(u);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
152 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
153 return conn.getInputStream();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
154 } catch (MalformedURLException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
155 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_HEADS).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
156 } catch (IOException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
157 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_HEADS).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
158 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
159 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
160
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
161 public InputStream between(Collection<Range> ranges) throws HgRemoteConnectionException, HgRuntimeException {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
162 StringBuilder sb = new StringBuilder(20 + ranges.size() * 82);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
163 sb.append("pairs=");
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
164 for (Range r : ranges) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
165 r.append(sb);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
166 sb.append('+');
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
167 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
168 if (sb.charAt(sb.length() - 1) == '+') {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
169 // strip last space
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
170 sb.setLength(sb.length() - 1);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
171 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
172 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
173 boolean usePOST = ranges.size() > 3;
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
174 URL u = new URL(url, url.getPath() + "?cmd=between" + (usePOST ? "" : '&' + sb.toString()));
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
175 conn = setupConnection(u.openConnection());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
176 if (usePOST) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
177 conn.setRequestMethod("POST");
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
178 conn.setRequestProperty("Content-Length", String.valueOf(sb.length()/*nodeids are ASCII, bytes == characters */));
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
179 conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
180 conn.setDoOutput(true);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
181 conn.connect();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
182 OutputStream os = conn.getOutputStream();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
183 os.write(sb.toString().getBytes());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
184 os.flush();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
185 os.close();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
186 } else {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
187 conn.connect();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
188 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
189 if (debug) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
190 System.out.printf("%d ranges, method:%s \n", ranges.size(), conn.getRequestMethod());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
191 dumpResponseHeader(u);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
192 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
193 return conn.getInputStream();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
194 } catch (MalformedURLException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
195 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_BETWEEN).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
196 } catch (IOException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
197 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_BETWEEN).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
198 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
199 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
200
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
201 public InputStream branches(List<Nodeid> nodes) throws HgRemoteConnectionException, HgRuntimeException {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
202 StringBuilder sb = appendNodeidListArgument("nodes", nodes, null);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
203 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
204 URL u = new URL(url, url.getPath() + "?cmd=branches&" + sb.toString());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
205 conn = setupConnection(u.openConnection());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
206 conn.connect();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
207 if (debug) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
208 dumpResponseHeader(u);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
209 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
210 return conn.getInputStream();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
211 } catch (MalformedURLException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
212 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_BRANCHES).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
213 } catch (IOException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
214 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_BRANCHES).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
215 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
216 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
217
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
218 public InputStream changegroup(List<Nodeid> roots) throws HgRemoteConnectionException, HgRuntimeException {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
219 StringBuilder sb = appendNodeidListArgument("roots", roots, null);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
220 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
221 URL u = new URL(url, url.getPath() + "?cmd=changegroup&" + sb.toString());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
222 conn = setupConnection(u.openConnection());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
223 conn.connect();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
224 if (debug) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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225 dumpResponseHeader(u);
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226 }
697
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227 InputStream cg = conn.getInputStream();
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228 InputStream prefix = new ByteArrayInputStream("HG10GZ".getBytes()); // didn't see any other that zip
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229 return new SequenceInputStream(prefix, cg);
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230 } catch (MalformedURLException ex) {
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231 // although there's little user can do about this issue (URLs are constructed by our code)
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232 // it's still better to throw it as checked exception than RT because url is likely malformed due to parameters
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233 // and this may help user to understand the cause (and e.g. change them)
687
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234 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand("changegroup").setServerInfo(getServerLocation());
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235 } catch (IOException ex) {
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236 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand("changegroup").setServerInfo(getServerLocation());
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237 }
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238 }
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239
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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240 //
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241 // FIXME consider HttpURLConnection#setChunkedStreamingMode() as described at
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242 // http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests
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243 public OutputStream unbundle(long outputLen, List<Nodeid> remoteHeads) throws HgRemoteConnectionException, HgRuntimeException {
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244 StringBuilder sb = appendNodeidListArgument(CMD_HEADS, remoteHeads, null);
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245 try {
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246 final URL u = new URL(url, url.getPath() + "?cmd=unbundle&" + sb.toString());
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247 conn = setupConnection(u.openConnection());
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248 conn.setRequestMethod("POST");
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249 conn.setDoOutput(true);
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250 conn.setRequestProperty("Content-Type", "application/mercurial-0.1");
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251 conn.setRequestProperty("Content-Length", String.valueOf(outputLen));
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252 conn.connect();
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253 return new FilterOutputStream(conn.getOutputStream()) {
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254 public void close() throws IOException {
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255 super.close();
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256 if (debug) {
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257 dumpResponseHeader(u);
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258 }
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259 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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260 checkResponseOk("Push", CMD_UNBUNDLE);
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261 } catch (HgRemoteConnectionException ex) {
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262 IOException e = new IOException(ex.getMessage());
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263 // not e.initCause(ex); as HgRemoteConnectionException is just a message holder
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264 e.setStackTrace(ex.getStackTrace());
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265 throw e;
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266 }
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267 }
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268 };
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269 } catch (MalformedURLException ex) {
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270 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_UNBUNDLE).setServerInfo(getServerLocation());
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271 } catch (IOException ex) {
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272 // FIXME consume c.getErrorStream as http://docs.oracle.com/javase/6/docs/technotes/guides/net/http-keepalive.html suggests
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273 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_UNBUNDLE).setServerInfo(getServerLocation());
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274 }
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275 }
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276
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277 public InputStream pushkey(String opName, String namespace, String key, String oldValue, String newValue) throws HgRemoteConnectionException, HgRuntimeException {
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278 try {
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279 final String p = String.format("%s?cmd=pushkey&namespace=%s&key=%s&old=%s&new=%s", url.getPath(), namespace, key, oldValue, newValue);
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280 URL u = new URL(url, p);
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281 conn = setupConnection(u.openConnection());
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282 conn.setRequestMethod("POST");
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283 conn.connect();
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284 if (debug) {
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285 dumpResponseHeader(u);
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286 }
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287 checkResponseOk(opName, "pushkey");
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288 return conn.getInputStream();
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289 } catch (MalformedURLException ex) {
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290 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand("pushkey").setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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291 } catch (IOException ex) {
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292 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand("pushkey").setServerInfo(getServerLocation());
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293 }
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294 }
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295
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296 public InputStream listkeys(String namespace, String actionName) throws HgRemoteConnectionException, HgRuntimeException {
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297 try {
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298 URL u = new URL(url, url.getPath() + "?cmd=listkeys&namespace=" + namespace);
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299 conn = setupConnection(u.openConnection());
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300 conn.connect();
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301 if (debug) {
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302 dumpResponseHeader(u);
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303 }
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304 checkResponseOk(actionName, "listkeys");
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305 return conn.getInputStream();
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306 } catch (MalformedURLException ex) {
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307 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_LISTKEYS).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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diff changeset
308 } catch (IOException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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309 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_LISTKEYS).setServerInfo(getServerLocation());
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diff changeset
310 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
311 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
312
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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313 private void checkResponseOk(String opName, String remoteCmd) throws HgRemoteConnectionException, IOException {
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314 if (conn.getResponseCode() != 200) {
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diff changeset
315 String m = conn.getResponseMessage() == null ? "unknown reason" : conn.getResponseMessage();
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316 String em = String.format("%s failed: %s (HTTP error:%d)", opName, m, conn.getResponseCode());
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317 throw new HgRemoteConnectionException(em).setRemoteCommand(remoteCmd).setServerInfo(getServerLocation());
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diff changeset
318 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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parents:
diff changeset
319 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
320
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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diff changeset
321 private HttpURLConnection setupConnection(URLConnection urlConnection) {
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322 urlConnection.setRequestProperty("User-Agent", "hg4j/1.0.0");
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parents:
diff changeset
323 urlConnection.addRequestProperty("Accept", "application/mercurial-0.1");
699
a483b2b68a2e Provisional APIs and respective implementation for http, https and ssh remote repositories
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parents: 698
diff changeset
324 return authMediator.setupConnection((HttpURLConnection) urlConnection);
687
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diff changeset
325 }
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parents:
diff changeset
326
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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diff changeset
327 private StringBuilder appendNodeidListArgument(String key, List<Nodeid> values, StringBuilder sb) {
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diff changeset
328 if (sb == null) {
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diff changeset
329 sb = new StringBuilder(20 + values.size() * 41);
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diff changeset
330 }
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diff changeset
331 sb.append(key);
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diff changeset
332 sb.append('=');
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parents:
diff changeset
333 for (Nodeid n : values) {
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334 sb.append(n.toString());
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335 sb.append('+');
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336 }
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337 if (sb.charAt(sb.length() - 1) == '+') {
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338 // strip last space
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339 sb.setLength(sb.length() - 1);
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340 }
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341 return sb;
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342 }
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343
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344 private void dumpResponseHeader(URL u) {
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345 System.out.printf("Query (%d bytes):%s\n", u.getQuery().length(), u.getQuery());
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346 System.out.println("Response headers:");
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347 final Map<String, List<String>> headerFields = conn.getHeaderFields();
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348 for (String s : headerFields.keySet()) {
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349 System.out.printf("%s: %s\n", s, conn.getHeaderField(s));
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350 }
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351 }
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352 }