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annotate src/org/tmatesoft/hg/internal/remote/HttpConnector.java @ 697:24f4efedc9d5

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Respect the fact ssh and http protocols use different compression approach to sent changegroup data
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 06 Aug 2013 13:34:34 +0200
parents 9859fcea475d
children 822f3a83ff57
rev   line source
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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 static org.tmatesoft.hg.util.LogFacility.Severity.Info;
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20
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21 import java.io.BufferedReader;
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22 import java.io.ByteArrayInputStream;
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23 import java.io.FilterOutputStream;
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24 import java.io.IOException;
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25 import java.io.InputStream;
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26 import java.io.InputStreamReader;
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27 import java.io.OutputStream;
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28 import java.io.SequenceInputStream;
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29 import java.net.HttpURLConnection;
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30 import java.net.MalformedURLException;
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31 import java.net.URL;
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32 import java.net.URLConnection;
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33 import java.security.cert.CertificateException;
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34 import java.security.cert.X509Certificate;
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35 import java.util.Collection;
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36 import java.util.List;
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37 import java.util.Map;
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38 import java.util.prefs.BackingStoreException;
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39 import java.util.prefs.Preferences;
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40
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41 import javax.net.ssl.HttpsURLConnection;
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42 import javax.net.ssl.SSLContext;
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43 import javax.net.ssl.TrustManager;
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44 import javax.net.ssl.X509TrustManager;
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45
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46 import org.tmatesoft.hg.core.HgRemoteConnectionException;
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47 import org.tmatesoft.hg.core.Nodeid;
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48 import org.tmatesoft.hg.core.SessionContext;
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49 import org.tmatesoft.hg.internal.PropertyMarshal;
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50 import org.tmatesoft.hg.repo.HgRemoteRepository.Range;
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51 import org.tmatesoft.hg.repo.HgRuntimeException;
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52
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53 /**
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54 *
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55 * @author Artem Tikhomirov
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56 * @author TMate Software Ltd.
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57 */
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58 public class HttpConnector implements Connector {
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59 private URL url;
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60 private SSLContext sslContext;
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61 private String authInfo;
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62 private boolean debug;
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63 private SessionContext sessionCtx;
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64 //
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65 private HttpURLConnection conn;
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66
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67 public void init(URL url, SessionContext sessionContext, Object globalConfig) throws HgRuntimeException {
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68 this.url = url;
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69 sessionCtx = sessionContext;
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70 debug = new PropertyMarshal(sessionCtx).getBoolean("hg4j.remote.debug", false);
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71 if (url.getUserInfo() != null) {
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72 String ai = null;
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73 try {
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74 // Hack to get Base64-encoded credentials
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75 Preferences tempNode = Preferences.userRoot().node("xxx");
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76 tempNode.putByteArray("xxx", url.getUserInfo().getBytes());
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77 ai = tempNode.get("xxx", null);
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78 tempNode.removeNode();
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79 } catch (BackingStoreException ex) {
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80 sessionContext.getLog().dump(getClass(), Info, ex, null);
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81 // IGNORE
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82 }
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83 authInfo = ai;
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84 } else {
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85 authInfo = null;
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86 }
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87 }
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88
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89 public void connect() throws HgRemoteConnectionException, HgRuntimeException {
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90 if ("https".equals(url.getProtocol())) {
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91 try {
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92 sslContext = SSLContext.getInstance("SSL");
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93 class TrustEveryone implements X509TrustManager {
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94 public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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95 if (debug) {
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96 System.out.println("checkClientTrusted:" + authType);
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97 }
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98 }
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99 public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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100 if (debug) {
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101 System.out.println("checkServerTrusted:" + authType);
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102 }
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103 }
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104 public X509Certificate[] getAcceptedIssuers() {
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105 return new X509Certificate[0];
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106 }
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107 };
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108 sslContext.init(null, new TrustManager[] { new TrustEveryone() }, null);
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109 } catch (Exception ex) {
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110 throw new HgRemoteConnectionException("Can't initialize secure connection", ex);
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111 }
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112 } else {
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113 sslContext = null;
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114 }
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115 }
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116
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117 public void disconnect() throws HgRemoteConnectionException, HgRuntimeException {
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118 // TODO Auto-generated method stub
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119
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120 }
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121
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122 public void sessionBegin() throws HgRemoteConnectionException, HgRuntimeException {
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123 // TODO Auto-generated method stub
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124
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125 }
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126
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127 public void sessionEnd() throws HgRemoteConnectionException, HgRuntimeException {
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128 if (conn != null) {
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129 conn.disconnect();
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130 conn = null;
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131 }
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132 }
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133
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134 public String getServerLocation() {
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135 if (url.getUserInfo() == null) {
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136 return url.toExternalForm();
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137 }
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138 if (url.getPort() != -1) {
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139 return String.format("%s://%s:%d%s", url.getProtocol(), url.getHost(), url.getPort(), url.getPath());
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140 } else {
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141 return String.format("%s://%s%s", url.getProtocol(), url.getHost(), url.getPath());
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142 }
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143 }
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144
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145 public String getCapabilities() throws HgRemoteConnectionException {
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146 // say hello to server, check response
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147 try {
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148 URL u = new URL(url, url.getPath() + "?cmd=hello");
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149 HttpURLConnection c = setupConnection(u.openConnection());
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150 c.connect();
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151 if (debug) {
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152 dumpResponseHeader(u);
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153 }
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154 BufferedReader r = new BufferedReader(new InputStreamReader(c.getInputStream(), "US-ASCII"));
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155 String line = r.readLine();
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156 c.disconnect();
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157 final String capsPrefix = CMD_CAPABILITIES + ':';
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158 if (line != null && line.startsWith(capsPrefix)) {
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159 return line.substring(capsPrefix.length()).trim();
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160 }
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parents:
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161 // for whatever reason, some servers do not respond to hello command (e.g. svnkit)
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162 // but respond to 'capabilities' instead. Try it.
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163 // TODO [post-1.0] tests needed
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164 u = new URL(url, url.getPath() + "?cmd=capabilities");
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165 c = setupConnection(u.openConnection());
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166 c.connect();
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167 if (debug) {
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168 dumpResponseHeader(u);
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169 }
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diff changeset
170 r = new BufferedReader(new InputStreamReader(c.getInputStream(), "US-ASCII"));
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171 line = r.readLine();
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diff changeset
172 c.disconnect();
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diff changeset
173 if (line != null && line.startsWith(capsPrefix)) {
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diff changeset
174 return line.substring(capsPrefix.length()).trim();
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175 }
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diff changeset
176 return new String();
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diff changeset
177 } catch (MalformedURLException ex) {
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178 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_HELLO).setServerInfo(getServerLocation());
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diff changeset
179 } catch (IOException ex) {
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180 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_HELLO).setServerInfo(getServerLocation());
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181 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
182 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
183
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diff changeset
184 public InputStream heads() throws HgRemoteConnectionException, HgRuntimeException {
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185 try {
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diff changeset
186 URL u = new URL(url, url.getPath() + "?cmd=heads");
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187 conn = setupConnection(u.openConnection());
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188 conn.connect();
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parents:
diff changeset
189 if (debug) {
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diff changeset
190 dumpResponseHeader(u);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
191 }
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diff changeset
192 return conn.getInputStream();
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parents:
diff changeset
193 } catch (MalformedURLException ex) {
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diff changeset
194 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_HEADS).setServerInfo(getServerLocation());
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
195 } catch (IOException ex) {
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parents:
diff changeset
196 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_HEADS).setServerInfo(getServerLocation());
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parents:
diff changeset
197 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
198 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
199
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diff changeset
200 public InputStream between(Collection<Range> ranges) throws HgRemoteConnectionException, HgRuntimeException {
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parents:
diff changeset
201 StringBuilder sb = new StringBuilder(20 + ranges.size() * 82);
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parents:
diff changeset
202 sb.append("pairs=");
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parents:
diff changeset
203 for (Range r : ranges) {
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parents:
diff changeset
204 r.append(sb);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
205 sb.append('+');
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diff changeset
206 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
207 if (sb.charAt(sb.length() - 1) == '+') {
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parents:
diff changeset
208 // strip last space
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parents:
diff changeset
209 sb.setLength(sb.length() - 1);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
210 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
211 try {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
212 boolean usePOST = ranges.size() > 3;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
213 URL u = new URL(url, url.getPath() + "?cmd=between" + (usePOST ? "" : '&' + sb.toString()));
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
214 conn = setupConnection(u.openConnection());
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
215 if (usePOST) {
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parents:
diff changeset
216 conn.setRequestMethod("POST");
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parents:
diff changeset
217 conn.setRequestProperty("Content-Length", String.valueOf(sb.length()/*nodeids are ASCII, bytes == characters */));
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parents:
diff changeset
218 conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
219 conn.setDoOutput(true);
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parents:
diff changeset
220 conn.connect();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
221 OutputStream os = conn.getOutputStream();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
222 os.write(sb.toString().getBytes());
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
223 os.flush();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
224 os.close();
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parents:
diff changeset
225 } else {
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parents:
diff changeset
226 conn.connect();
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227 }
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228 if (debug) {
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229 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
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230 dumpResponseHeader(u);
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231 }
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232 return conn.getInputStream();
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233 } catch (MalformedURLException ex) {
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234 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_BETWEEN).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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235 } catch (IOException ex) {
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236 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_BETWEEN).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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237 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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238 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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239
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240 public InputStream branches(List<Nodeid> nodes) throws HgRemoteConnectionException, HgRuntimeException {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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241 StringBuilder sb = appendNodeidListArgument("nodes", nodes, null);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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242 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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243 URL u = new URL(url, url.getPath() + "?cmd=branches&" + sb.toString());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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244 conn = setupConnection(u.openConnection());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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245 conn.connect();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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246 if (debug) {
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247 dumpResponseHeader(u);
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248 }
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249 return conn.getInputStream();
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250 } catch (MalformedURLException ex) {
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251 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_BRANCHES).setServerInfo(getServerLocation());
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252 } catch (IOException ex) {
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253 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_BRANCHES).setServerInfo(getServerLocation());
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254 }
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255 }
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256
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257 public InputStream changegroup(List<Nodeid> roots) throws HgRemoteConnectionException, HgRuntimeException {
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258 StringBuilder sb = appendNodeidListArgument("roots", roots, null);
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259 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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260 URL u = new URL(url, url.getPath() + "?cmd=changegroup&" + sb.toString());
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261 conn = setupConnection(u.openConnection());
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262 conn.connect();
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263 if (debug) {
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264 dumpResponseHeader(u);
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265 }
697
24f4efedc9d5 Respect the fact ssh and http protocols use different compression approach to sent changegroup data
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266 InputStream cg = conn.getInputStream();
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267 InputStream prefix = new ByteArrayInputStream("HG10GZ".getBytes()); // didn't see any other that zip
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268 return new SequenceInputStream(prefix, cg);
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269 } catch (MalformedURLException ex) {
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270 // although there's little user can do about this issue (URLs are constructed by our code)
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271 // it's still better to throw it as checked exception than RT because url is likely malformed due to parameters
24f4efedc9d5 Respect the fact ssh and http protocols use different compression approach to sent changegroup data
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272 // and this may help user to understand the cause (and e.g. change them)
687
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273 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand("changegroup").setServerInfo(getServerLocation());
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274 } catch (IOException ex) {
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275 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand("changegroup").setServerInfo(getServerLocation());
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276 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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277 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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278
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279 //
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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280 // FIXME consider HttpURLConnection#setChunkedStreamingMode() as described at
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281 // http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests
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282 public OutputStream unbundle(long outputLen, List<Nodeid> remoteHeads) throws HgRemoteConnectionException, HgRuntimeException {
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283 StringBuilder sb = appendNodeidListArgument(CMD_HEADS, remoteHeads, null);
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284 try {
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285 final URL u = new URL(url, url.getPath() + "?cmd=unbundle&" + sb.toString());
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286 conn = setupConnection(u.openConnection());
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287 conn.setRequestMethod("POST");
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288 conn.setDoOutput(true);
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289 conn.setRequestProperty("Content-Type", "application/mercurial-0.1");
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290 conn.setRequestProperty("Content-Length", String.valueOf(outputLen));
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291 conn.connect();
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292 return new FilterOutputStream(conn.getOutputStream()) {
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293 public void close() throws IOException {
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294 super.close();
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295 if (debug) {
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296 dumpResponseHeader(u);
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297 dumpResponse();
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298 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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diff changeset
299 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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300 checkResponseOk("Push", CMD_UNBUNDLE);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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301 } catch (HgRemoteConnectionException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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302 IOException e = new IOException(ex.getMessage());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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303 // not e.initCause(ex); as HgRemoteConnectionException is just a message holder
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304 e.setStackTrace(ex.getStackTrace());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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305 throw e;
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diff changeset
306 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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diff changeset
307 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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308 };
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
309 } catch (MalformedURLException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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310 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_UNBUNDLE).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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311 } catch (IOException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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312 // FIXME consume c.getErrorStream as http://docs.oracle.com/javase/6/docs/technotes/guides/net/http-keepalive.html suggests
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
313 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_UNBUNDLE).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
314 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
315 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
316
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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317 public InputStream pushkey(String opName, String namespace, String key, String oldValue, String newValue) throws HgRemoteConnectionException, HgRuntimeException {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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318 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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319 final String p = String.format("%s?cmd=pushkey&namespace=%s&key=%s&old=%s&new=%s", url.getPath(), namespace, key, oldValue, newValue);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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parents:
diff changeset
320 URL u = new URL(url, p);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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parents:
diff changeset
321 conn = setupConnection(u.openConnection());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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parents:
diff changeset
322 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
323 conn.connect();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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parents:
diff changeset
324 if (debug) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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diff changeset
325 dumpResponseHeader(u);
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
326 }
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
327 checkResponseOk(opName, "pushkey");
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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328 return conn.getInputStream();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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parents:
diff changeset
329 } 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
330 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand("pushkey").setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
331 } 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
332 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand("pushkey").setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
333 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
334 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
335
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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336 public InputStream listkeys(String namespace, String actionName) throws HgRemoteConnectionException, HgRuntimeException {
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337 try {
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338 URL u = new URL(url, url.getPath() + "?cmd=listkeys&namespace=" + namespace);
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339 conn = setupConnection(u.openConnection());
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340 conn.connect();
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341 if (debug) {
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342 dumpResponseHeader(u);
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343 }
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344 checkResponseOk(actionName, "listkeys");
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345 return conn.getInputStream();
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346 } catch (MalformedURLException ex) {
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347 throw new HgRemoteConnectionException("Bad URL", ex).setRemoteCommand(CMD_LISTKEYS).setServerInfo(getServerLocation());
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348 } catch (IOException ex) {
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349 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_LISTKEYS).setServerInfo(getServerLocation());
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350 }
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351 }
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352
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353 private void checkResponseOk(String opName, String remoteCmd) throws HgRemoteConnectionException, IOException {
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354 if (conn.getResponseCode() != 200) {
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355 String m = conn.getResponseMessage() == null ? "unknown reason" : conn.getResponseMessage();
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356 String em = String.format("%s failed: %s (HTTP error:%d)", opName, m, conn.getResponseCode());
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357 throw new HgRemoteConnectionException(em).setRemoteCommand(remoteCmd).setServerInfo(getServerLocation());
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358 }
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359 }
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360
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361 private HttpURLConnection setupConnection(URLConnection urlConnection) {
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362 urlConnection.setRequestProperty("User-Agent", "hg4j/1.0.0");
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363 urlConnection.addRequestProperty("Accept", "application/mercurial-0.1");
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364 if (authInfo != null) {
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365 urlConnection.addRequestProperty("Authorization", "Basic " + authInfo);
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366 }
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367 if (sslContext != null) {
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368 ((HttpsURLConnection) urlConnection).setSSLSocketFactory(sslContext.getSocketFactory());
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369 }
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370 return (HttpURLConnection) urlConnection;
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371 }
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372
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373 private StringBuilder appendNodeidListArgument(String key, List<Nodeid> values, StringBuilder sb) {
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374 if (sb == null) {
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375 sb = new StringBuilder(20 + values.size() * 41);
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376 }
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377 sb.append(key);
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378 sb.append('=');
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379 for (Nodeid n : values) {
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380 sb.append(n.toString());
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381 sb.append('+');
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382 }
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383 if (sb.charAt(sb.length() - 1) == '+') {
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384 // strip last space
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385 sb.setLength(sb.length() - 1);
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386 }
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387 return sb;
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388 }
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389
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390 private void dumpResponseHeader(URL u) {
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391 System.out.printf("Query (%d bytes):%s\n", u.getQuery().length(), u.getQuery());
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392 System.out.println("Response headers:");
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393 final Map<String, List<String>> headerFields = conn.getHeaderFields();
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394 for (String s : headerFields.keySet()) {
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395 System.out.printf("%s: %s\n", s, conn.getHeaderField(s));
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396 }
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397 }
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398
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399 private void dumpResponse() throws IOException {
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400 if (conn.getContentLength() > 0) {
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401 final Object content = conn.getContent();
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402 System.out.println(content);
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diff changeset
403 }
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diff changeset
404 }
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405 }