annotate artifact-database/src/main/java/org/dive4elements/artifactdatabase/rest/Standalone.java @ 570:584591f8203c 3.2.x

Upgrade to Log4j 2
author Tom Gottfried <tom@intevation.de>
date Mon, 28 Feb 2022 17:41:14 +0100
parents 415df0fc4fa1
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1 /*
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2 * Copyright (c) 2010 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package org.dive4elements.artifactdatabase.rest;
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11 import org.dive4elements.artifacts.common.utils.XMLUtils;
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12
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13 import org.dive4elements.artifacts.ArtifactDatabase;
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15 import org.apache.logging.log4j.Logger;
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16 import org.apache.logging.log4j.LogManager;
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18 import org.restlet.Component;
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19 import org.restlet.Server;
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21 import org.restlet.data.Protocol;
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23 import org.w3c.dom.Document;
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25 /**
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26 * Starts an HTTP server bound to a RestApp.
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27 * The server (binding interface and port) is configure via the
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28 * global configuration.
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29 *
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30 * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a>
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31 */
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32 public class Standalone
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33 implements HTTPServer
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34 {
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35 private static Logger logger = LogManager.getLogger(Standalone.class);
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37 /**
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38 * XPath to figure out the port where to listen from the
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39 * global configuration.
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40 */
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41 public static final String REST_PORT =
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42 "/artifact-database/rest-server/port/text()";
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44 /**
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45 * XPath to figure out from global configuration
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46 * which network interface to use to bind the HTTP server.
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47 */
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48 public static final String LISTEN_INTERFACE =
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49 "/artifact-database/rest-server/listen/text()";
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51 /**
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52 * The default port of the HTTP server: 8181
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53 */
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54 public static final int DEFAULT_PORT = 8181;
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56 public static final String MAX_THREADS =
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57 "/artifact-database/rest-server/max-threads/text()";
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59 public static final String MAX_THREADS_DEFAULT =
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60 "1024";
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62 protected int port;
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64 protected String listen;
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65
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66 protected String maxThreads;
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67
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68 public Standalone() {
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69 }
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71 @Override
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72 public void setup(Document document) {
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73 String portString = XMLUtils.xpathString(document, REST_PORT, null);
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74
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75 port = DEFAULT_PORT;
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77 if (portString != null) {
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78 try {
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79 port = Integer.parseInt(portString);
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80 if (port < 0) {
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81 throw new NumberFormatException();
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82 }
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83 }
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84 catch (NumberFormatException nfe) {
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85 logger.error("rest port is not a positive integer value.", nfe);
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86 return;
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87 }
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88 }
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90 listen = XMLUtils.xpathString(document, LISTEN_INTERFACE, null);
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91 maxThreads = XMLUtils.xpathString(document, MAX_THREADS, null);
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92 }
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94 protected Server createServer() {
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95 return listen != null && listen.length() > 0
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96 ? new Server(Protocol.HTTP, listen, port)
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97 : new Server(Protocol.HTTP, port);
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98 }
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100 protected void logServerStart() {
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101 logger.info("Starting " + getClass().getName() + " HTTP server on "
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102 + (listen != null ? listen : "*")
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103 + ":" + port);
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104 }
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106 /**
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107 * Builds a RestApp wrapped around the given artifact database,
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108 * and bind this application to HTTP server. The HTTP server
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109 * is configured by the global configuration. If no port is
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110 * given by the configuration the default port is used. If
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111 * no interface is given the HTTP server is reachable from
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112 * all interfaces.
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113 * @param db The artifact database to be exposed via the
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114 * REST application.
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115 */
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116 @Override
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117 public void startAsServer(ArtifactDatabase db) {
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118
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119 RestApp app = new RestApp(db);
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120
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121 Component component = new Component();
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122
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123 Server server = createServer();
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124
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125 component.getServers().add(server);
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126
262
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127 server.getContext().getParameters().add(
265
d52947ce8629 XMLUtils.xpathString() returns empty string not null.
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128 "maxThreads", maxThreads != null && maxThreads.length() > 0
262
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parents: 207
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129 ? maxThreads
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130 : MAX_THREADS_DEFAULT);
101
7fc0650f194c Upgraded the Restlet version to 2.0.4 (current stable).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 100
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131
19
1259d192e3c3 * New configuration based on config directory
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parents:
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132 component.getDefaultHost().attach(app);
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133
264
fa0d9acea897 flys/issue65: Added Jetty HTTP server as a replacement option to foster better scalability. Needs testing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 263
diff changeset
134 logServerStart();
20
ff666592c1c3 Added factory listing '/factories' to web app.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 19
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135
19
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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136 try {
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137 component.start();
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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138 }
1259d192e3c3 * New configuration based on config directory
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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139 catch (Exception e) {
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parents:
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140 logger.error(e.getLocalizedMessage(), e);
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parents:
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141 }
1259d192e3c3 * New configuration based on config directory
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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142 }
1259d192e3c3 * New configuration based on config directory
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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143 }
93
e27cf9c84eb8 Unified imports.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 88
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144 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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