Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/Standalone.java @ 462:86e0bc364f27 2.9.15

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Added tag 2.9.14 for changeset e9e37a8ac74b
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 22 Mar 2013 11:04:25 +0100
parents d52947ce8629
children
rev   line source
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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 de.intevation.artifactdatabase.rest;
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11 import de.intevation.artifacts.common.utils.XMLUtils;
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12
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13 import de.intevation.artifacts.ArtifactDatabase;
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14
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15 import org.apache.log4j.Logger;
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17 import org.restlet.Component;
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18 import org.restlet.Server;
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20 import org.restlet.data.Protocol;
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22 import org.w3c.dom.Document;
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24 /**
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25 * Starts an HTTP server bound to a RestApp.
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26 * The server (binding interface and port) is configure via the
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27 * global configuration.
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28 *
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29 * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a>
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30 */
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31 public class Standalone
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32 implements HTTPServer
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33 {
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34 private static Logger logger = Logger.getLogger(Standalone.class);
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36 /**
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37 * XPath to figure out the port where to listen from the
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38 * global configuration.
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39 */
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40 public static final String REST_PORT =
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41 "/artifact-database/rest-server/port/text()";
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43 /**
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44 * XPath to figure out from global configuration
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45 * which network interface to use to bind the HTTP server.
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46 */
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47 public static final String LISTEN_INTERFACE =
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48 "/artifact-database/rest-server/listen/text()";
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50 /**
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51 * The default port of the HTTP server: 8181
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52 */
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53 public static final int DEFAULT_PORT = 8181;
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55 public static final String MAX_THREADS =
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56 "/artifact-database/rest-server/max-threads/text()";
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58 public static final String MAX_THREADS_DEFAULT =
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59 "1024";
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61 protected int port;
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63 protected String listen;
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64
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65 protected String maxThreads;
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66
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67 public Standalone() {
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68 }
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70 @Override
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71 public void setup(Document document) {
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72 String portString = XMLUtils.xpathString(document, REST_PORT, null);
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73
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74 port = DEFAULT_PORT;
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75
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76 if (portString != null) {
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77 try {
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78 port = Integer.parseInt(portString);
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79 if (port < 0) {
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80 throw new NumberFormatException();
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81 }
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82 }
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83 catch (NumberFormatException nfe) {
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84 logger.error("rest port is not a positive integer value.", nfe);
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85 return;
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86 }
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87 }
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89 listen = XMLUtils.xpathString(document, LISTEN_INTERFACE, null);
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90 maxThreads = XMLUtils.xpathString(document, MAX_THREADS, null);
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91 }
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93 protected Server createServer() {
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94 return listen != null && listen.length() > 0
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95 ? new Server(Protocol.HTTP, listen, port)
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96 : new Server(Protocol.HTTP, port);
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97 }
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99 protected void logServerStart() {
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100 logger.info("Starting " + getClass().getName() + " HTTP server on "
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101 + (listen != null ? listen : "*")
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102 + ":" + port);
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103 }
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104
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105 /**
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106 * Builds a RestApp wrapped around the given artifact database,
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107 * and bind this application to HTTP server. The HTTP server
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108 * is configured by the global configuration. If no port is
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109 * given by the configuration the default port is used. If
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110 * no interface is given the HTTP server is reachable from
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111 * all interfaces.
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112 * @param db The artifact database to be exposed via the
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113 * REST application.
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114 */
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115 @Override
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116 public void startAsServer(ArtifactDatabase db) {
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117
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118 RestApp app = new RestApp(db);
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119
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120 Component component = new Component();
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121
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122 Server server = createServer();
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123
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124 component.getServers().add(server);
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125
262
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126 server.getContext().getParameters().add(
265
d52947ce8629 XMLUtils.xpathString() returns empty string not null.
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127 "maxThreads", maxThreads != null && maxThreads.length() > 0
262
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parents: 207
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128 ? maxThreads
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129 : 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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130
19
1259d192e3c3 * New configuration based on config directory
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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131 component.getDefaultHost().attach(app);
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132
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
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133 logServerStart();
20
ff666592c1c3 Added factory listing '/factories' to web app.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 19
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134
19
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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135 try {
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136 component.start();
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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137 }
1259d192e3c3 * New configuration based on config directory
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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138 catch (Exception e) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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139 logger.error(e.getLocalizedMessage(), e);
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140 }
1259d192e3c3 * New configuration based on config directory
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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141 }
1259d192e3c3 * New configuration based on config directory
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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142 }
93
e27cf9c84eb8 Unified imports.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 88
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143 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org