annotate src/main/java/de/mpiwg/itgroup/annotations/restlet/BaseRestlet.java @ 73:4b8c909cabf3

small cleanup. trying restlet 2.2-snapshot now -- feeling lucky.
author casties
date Wed, 12 Mar 2014 11:54:07 +0100
parents 4c2cea836bc0
children e5ff09208c28
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1 package de.mpiwg.itgroup.annotations.restlet;
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2
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3 /*
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4 * #%L
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5 * AnnotationManager
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6 * %%
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7 * Copyright (C) 2012 - 2014 MPIWG Berlin
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8 * %%
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9 * This program is free software: you can redistribute it and/or modify
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10 * it under the terms of the GNU Lesser General Public License as
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11 * published by the Free Software Foundation, either version 3 of the
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12 * License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful,
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15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 * GNU General Lesser Public License for more details.
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18 *
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19 * You should have received a copy of the GNU General Lesser Public
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20 * License along with this program. If not, see
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21 * <http://www.gnu.org/licenses/lgpl-3.0.html>.
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22 * #L%
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23 * Author: Robert Casties (casties@mpiwg-berlin.mpg.de)
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24 */
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25
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26 import java.io.File;
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27 import java.io.FileInputStream;
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28 import java.io.FileNotFoundException;
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29 import java.io.IOException;
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30 import java.io.InputStream;
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31 import java.util.Hashtable;
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32 import java.util.Properties;
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33 import java.util.concurrent.ConcurrentMap;
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34
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35 import javax.naming.NamingEnumeration;
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36 import javax.naming.NamingException;
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37 import javax.naming.directory.Attribute;
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38 import javax.naming.directory.DirContext;
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39 import javax.naming.directory.InitialDirContext;
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40 import javax.naming.directory.SearchControls;
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41 import javax.naming.directory.SearchResult;
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42 import javax.servlet.ServletContext;
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43
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44 import org.apache.log4j.BasicConfigurator;
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45 import org.apache.log4j.Logger;
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46 import org.neo4j.graphdb.GraphDatabaseService;
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47 import org.neo4j.graphdb.factory.GraphDatabaseBuilder;
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48 import org.neo4j.graphdb.factory.GraphDatabaseFactory;
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49 import org.neo4j.graphdb.factory.GraphDatabaseSettings;
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50 import org.neo4j.kernel.GraphDatabaseAPI;
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51 import org.neo4j.server.WrappingNeoServerBootstrapper;
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52 import org.restlet.Application;
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53 import org.restlet.Context;
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54
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55 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
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56
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57 public abstract class BaseRestlet extends Application {
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58
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59 public static Logger logger = Logger.getLogger(BaseRestlet.class);
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60
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61 /**
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62 * Properties holding consumer keys and secrets.
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63 */
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64 protected Properties consumerKeys;
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65 public String CONSUMER_KEYS_PATH = "consumerkeys.property";
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66 public static final String CONSUMERKEYS_KEY = "annotationmanager.consumerkeys";
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68 /**
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69 * Properties holding server config.
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70 */
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71 protected Properties serverConfig;
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72 public String CONFIG_PROPS_PATH = "serverconfig.property";
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73 public static final String SERVERCONFIG_KEY = "annotationmanager.serverconfig";
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75 /**
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76 * database instance;
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77 */
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78 protected GraphDatabaseService graphDb;
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79 public static final String GRAPHDB_KEY = "annotationmanager.graphdb";
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80 public static final String GRAPHDB_PATH_KEY = "annotationmanager.graphdb.path";
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81 public String graphdbPath = "neo4j-annotation-db";
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83 /**
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84 * database interface server instance.
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85 */
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86 protected WrappingNeoServerBootstrapper srv;
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87 public static final String GRAPHDBSRV_KEY = "annotationmanager.graphdb.srv";
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89 /**
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90 * annotation store instance.
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91 */
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92 protected AnnotationStore store;
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93 public static final String ANNSTORE_KEY = "annotationmanager.store";
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94
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95 /**
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96 * LDAP server URI (for looking up full user names).
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97 */
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98 protected String ldapServerUrl;
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99 public static final String LDAP_SERVER_KEY = "annotationmanager.ldapserver.url";
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100
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101 public static final String ADMIN_USER_KEY = "annotationmanager.admin.user";
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102 public static final String ADMIN_PASSWORD_KEY = "annotationmanager.admin.password";
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103
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104 /**
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105 * run in authorization mode i.e. with tokens.
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106 */
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107 protected boolean authorizationMode = false;
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108 public static final String AUTHORIZATION_MODE_KEY = "annotationmanager.authorization";
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109
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110 /**
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111 * prefix to create uris for tags in store.
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112 */
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113 public static String TAGS_URI_PREFIX = "";
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114 public static final String TAGS_URI_KEY = "annotationmanager.uris.tags";
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115
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116 /**
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117 * prefix to create uris for persons in store.
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118 */
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119 public static String PERSONS_URI_PREFIX = "";
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120 public static final String PERSONS_URI_KEY = "annotationmanager.uris.persons";
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121
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122 /**
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123 * prefix to create uris for groups in store.
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124 */
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125 public static String GROUPS_URI_PREFIX = "";
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126 public static final String GROUPS_URI_KEY = "annotationmanager.uris.groups";
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127
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128 public static final String ANNOTATIONS_URI_KEY = "annotationmanager.uris.annotations";
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129
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130
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131 /* (non-Javadoc)
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132 * @see org.restlet.Application#start()
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133 */
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134 @Override
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135 public synchronized void start() throws Exception {
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136 configure(getContext());
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137 super.start();
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138 }
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139
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140 /**
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141 * Configures the restlet.
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142 * Reads serverConfig, consumerKeys and graphDb config from config files and starts graphDb.
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143 * Uses config from webapp context if already initialized.
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144 * @param context
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145 */
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146 protected void configure(Context context) {
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147 ConcurrentMap<String, Object> attrs = context.getAttributes();
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148 ServletContext sc = (ServletContext) attrs.get("org.restlet.ext.servlet.ServletContext");
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149 if (sc != null) {
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150 if (sc.getAttribute("annotationserver.log4j.configured") == null) {
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151 // TODO: is this the right place to run the log4j configurator?
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152 BasicConfigurator.configure();
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153 sc.setAttribute("annotationserver.log4j.configured", "done");
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154 }
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155 logger.info(getVersion() + " starting...");
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156
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157 /*
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158 * read config from webapp
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159 */
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160 serverConfig = (Properties) sc.getAttribute(SERVERCONFIG_KEY);
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161 if (serverConfig == null) {
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162 serverConfig = new Properties();
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163 InputStream ps = getResourceAsStream(sc, CONFIG_PROPS_PATH);
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164 if (ps != null) {
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165 logger.debug("loading config from " + CONFIG_PROPS_PATH);
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166 try {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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167 serverConfig.load(ps);
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168 /*
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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169 * read serverconfig options
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170 */
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171 graphdbPath = serverConfig.getProperty(GRAPHDB_PATH_KEY, graphdbPath);
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172 ldapServerUrl = serverConfig.getProperty(LDAP_SERVER_KEY, null);
60
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173 /*
99d9afcfd04d configuration of uri prefixes was completely broken.
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174 * uri prefixes
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diff changeset
175 */
99d9afcfd04d configuration of uri prefixes was completely broken.
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diff changeset
176 if (serverConfig.containsKey(PERSONS_URI_KEY)) {
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diff changeset
177 BaseRestlet.PERSONS_URI_PREFIX = serverConfig.getProperty(PERSONS_URI_KEY);
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178 }
99d9afcfd04d configuration of uri prefixes was completely broken.
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diff changeset
179 if (serverConfig.containsKey(GROUPS_URI_KEY)) {
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diff changeset
180 BaseRestlet.GROUPS_URI_PREFIX = serverConfig.getProperty(GROUPS_URI_KEY);
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diff changeset
181 }
99d9afcfd04d configuration of uri prefixes was completely broken.
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diff changeset
182 if (serverConfig.containsKey(TAGS_URI_KEY)) {
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diff changeset
183 BaseRestlet.TAGS_URI_PREFIX = serverConfig.getProperty(TAGS_URI_KEY);
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184 }
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185 if (serverConfig.containsKey(ANNOTATIONS_URI_KEY)) {
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186 AnnotationStore.ANNOTATION_URI_PREFIX = serverConfig.getProperty(ANNOTATIONS_URI_KEY);
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187 }
18
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188 } catch (IOException e) {
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189 logger.warn("Error loading server config: ", e);
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190 }
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191 logger.debug("config: " + serverConfig);
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192 } else {
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193 logger.error("Unable to get resource " + CONFIG_PROPS_PATH);
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194 }
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195 // store config
72
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196 sc.setAttribute(SERVERCONFIG_KEY, serverConfig);
18
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197 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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198 // look for database service in context
72
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199 graphDb = (GraphDatabaseService) sc.getAttribute(GRAPHDB_KEY);
18
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200 if (graphDb == null) {
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201 /*
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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202 * open database
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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203 */
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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204 String dbFn = getResourcePath(sc, graphdbPath);
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205 if (dbFn != null) {
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206 logger.debug("opening DB " + dbFn);
66
5b568de5ee0d updated to new Neo4J version 2.0. doesn't use new features. problems with neo4j admin web ui.
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207 GraphDatabaseBuilder graphDbBuilder = new GraphDatabaseFactory().newEmbeddedDatabaseBuilder(dbFn);
5b568de5ee0d updated to new Neo4J version 2.0. doesn't use new features. problems with neo4j admin web ui.
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208 graphDbBuilder.setConfig(GraphDatabaseSettings.allow_store_upgrade, "true");
5b568de5ee0d updated to new Neo4J version 2.0. doesn't use new features. problems with neo4j admin web ui.
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209 graphDb = graphDbBuilder.newGraphDatabase();
18
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210 registerShutdownHook(graphDb);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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211 // store in context
72
4c2cea836bc0 restlet 2.1 works now. (it's the start() method, stupid!)
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212 sc.setAttribute(GRAPHDB_KEY, graphDb);
18
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213 // AnnotationStore
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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214 store = new AnnotationStore(graphDb);
72
4c2cea836bc0 restlet 2.1 works now. (it's the start() method, stupid!)
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215 sc.setAttribute(ANNSTORE_KEY, store);
18
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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216 // admin server
66
5b568de5ee0d updated to new Neo4J version 2.0. doesn't use new features. problems with neo4j admin web ui.
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217 srv = new WrappingNeoServerBootstrapper((GraphDatabaseAPI) graphDb);
18
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218 logger.debug("Starting DB admin server...");
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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219 // store in context
72
4c2cea836bc0 restlet 2.1 works now. (it's the start() method, stupid!)
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diff changeset
220 sc.setAttribute(GRAPHDBSRV_KEY, srv);
18
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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221 srv.start();
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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222 } else {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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223 logger.error("Unable to get resource " + dbFn);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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224 }
22
b1fb0d117877 adding and listing groups via html works now.
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diff changeset
225 } else {
b1fb0d117877 adding and listing groups via html works now.
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diff changeset
226 // get existing AnnotationStore
72
4c2cea836bc0 restlet 2.1 works now. (it's the start() method, stupid!)
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diff changeset
227 store = (AnnotationStore) sc.getAttribute(ANNSTORE_KEY);
18
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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228 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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229 /*
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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230 * read consumerKeys from webapp
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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231 */
72
4c2cea836bc0 restlet 2.1 works now. (it's the start() method, stupid!)
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232 consumerKeys = (Properties) sc.getAttribute(CONSUMERKEYS_KEY);
18
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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233 if (consumerKeys == null) {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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234 consumerKeys = new Properties();
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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235 InputStream ps = getResourceAsStream(sc, CONSUMER_KEYS_PATH);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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236 if (ps != null) {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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237 logger.debug("loading consumer keys from " + CONSUMER_KEYS_PATH);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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238 try {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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239 consumerKeys.load(ps);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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240 } catch (IOException e) {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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241 // TODO Auto-generated catch block
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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242 e.printStackTrace();
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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243 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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244 logger.debug("consumer keys: " + consumerKeys);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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245 } else {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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246 logger.error("Unable to get resource " + CONSUMER_KEYS_PATH);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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247 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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248 // store config
72
4c2cea836bc0 restlet 2.1 works now. (it's the start() method, stupid!)
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diff changeset
249 sc.setAttribute(CONSUMERKEYS_KEY, consumerKeys);
18
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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250 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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251 } else {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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252 logger.error("Unable to get ServletContext!");
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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253 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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254 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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255
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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256 public abstract String getVersion();
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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257
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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258 /**
57
4efb21cf0ce0 new non-authorized mode without tokens. enabled by default. configured with annotationmanager.authorization=false property.
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259 * @return the authorizationMode
4efb21cf0ce0 new non-authorized mode without tokens. enabled by default. configured with annotationmanager.authorization=false property.
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260 */
4efb21cf0ce0 new non-authorized mode without tokens. enabled by default. configured with annotationmanager.authorization=false property.
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diff changeset
261 public boolean isAuthorizationMode() {
4efb21cf0ce0 new non-authorized mode without tokens. enabled by default. configured with annotationmanager.authorization=false property.
casties
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diff changeset
262 return authorizationMode;
4efb21cf0ce0 new non-authorized mode without tokens. enabled by default. configured with annotationmanager.authorization=false property.
casties
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diff changeset
263 }
4efb21cf0ce0 new non-authorized mode without tokens. enabled by default. configured with annotationmanager.authorization=false property.
casties
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diff changeset
264
4efb21cf0ce0 new non-authorized mode without tokens. enabled by default. configured with annotationmanager.authorization=false property.
casties
parents: 50
diff changeset
265 /**
19
f0f55ab768c9 more work on HTML UI.
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diff changeset
266 * @return the store
f0f55ab768c9 more work on HTML UI.
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diff changeset
267 */
f0f55ab768c9 more work on HTML UI.
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diff changeset
268 public AnnotationStore getAnnotationStore() {
f0f55ab768c9 more work on HTML UI.
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269 return store;
f0f55ab768c9 more work on HTML UI.
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270 }
f0f55ab768c9 more work on HTML UI.
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diff changeset
271
f0f55ab768c9 more work on HTML UI.
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diff changeset
272 /**
18
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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273 * returns consumer secret for consumer key. returns null if consumer key
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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274 * doesn't exist.
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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275 *
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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276 * @param consumerKey
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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277 * @return
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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278 */
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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279 public String getConsumerSecret(String consumerKey) {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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280 return consumerKeys.getProperty(consumerKey);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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281 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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282
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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283 /**
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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284 * Hole den vollen Benutzernamen aus dem LDAP
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
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285 *
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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286 * @param creator
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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287 * @return
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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288 */
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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289 public String getFullNameFromLdap(String creator) {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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290 String retString = creator; // falls nichts gefunden wird einfach den
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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291 // creator zurueckgeben
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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292 if (ldapServerUrl == null) {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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293 return retString;
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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294 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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295 Hashtable<String, String> env = new Hashtable<String, String>();
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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296 String sp = "com.sun.jndi.ldap.LdapCtxFactory";
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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297 env.put(javax.naming.Context.INITIAL_CONTEXT_FACTORY, sp);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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298 env.put(javax.naming.Context.PROVIDER_URL, ldapServerUrl);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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299
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
diff changeset
300 DirContext dctx;
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
301 try {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
diff changeset
302 dctx = new InitialDirContext(env);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
303 } catch (NamingException e) {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
diff changeset
304 logger.error("Error in getFullNameFromLDAP!", e);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
diff changeset
305 return retString;
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
306 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
diff changeset
307
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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308 String base = "ou=people";
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
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309
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
310 SearchControls sc = new SearchControls();
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
diff changeset
311 String[] attributeFilter = { "cn", "mail" };
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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312 sc.setReturningAttributes(attributeFilter);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
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313 sc.setSearchScope(SearchControls.SUBTREE_SCOPE);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
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314
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
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parents:
diff changeset
315 String filter = "(uid=" + creator + ")";
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
316
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
317 try {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
318 NamingEnumeration<SearchResult> results = dctx.search(base, filter, sc);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
319 while (results.hasMore()) {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
320 SearchResult sr = (SearchResult) results.next();
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
321 javax.naming.directory.Attributes attrs = sr.getAttributes();
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
322
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
323 Attribute attr = attrs.get("cn");
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
324 retString = (String) attr.get();
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
325 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
326 } catch (NamingException e) {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
327 logger.error("Error in getFullNameFromLDAP!", e);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
328 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
329
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
330 try {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
331 dctx.close();
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
332 } catch (NamingException e) {
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
333 logger.error("Error in getFullNameFromLDAP!", e);
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
334 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
335 return retString;
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
336 }
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
337
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
338 /**
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
339 * returns resource from path (in webapp) as InputStream.
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
340 *
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
parents:
diff changeset
341 * @param sc
aafa3884b2c4 new AnnotationStore restlet for HTML-UI.
casties
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342 * @param path
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343 * @return
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344 */
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345 protected InputStream getResourceAsStream(ServletContext sc, String path) {
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346 InputStream ps = null;
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347 if (sc == null) {
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348 // no servlet context -> use class loader
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349 ps = Thread.currentThread().getContextClassLoader().getResourceAsStream(path);
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350 /* Request request = new Request(Method.GET, "riap://component/ping");
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351 Response response = getContext().getClientDispatcher().handle(request);
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352 Representation repr = response.getEntity(); */
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353 } else {
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354 // try path in webapp first
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355 ps = sc.getResourceAsStream(path);
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356 if (ps == null) {
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357 // try as file
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358 File pf = new File(sc.getRealPath(path));
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359 if (pf.canRead()) {
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360 logger.debug("trying file for: " + pf);
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361 try {
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362 ps = new FileInputStream(pf);
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363 } catch (FileNotFoundException e) {
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364 logger.error(e);
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365 }
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366 } else {
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367 // use class loader
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368 ps = Thread.currentThread().getContextClassLoader().getResourceAsStream(path);
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369 }
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370 }
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371 }
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372 return ps;
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373 }
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374
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375 /**
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376 * get a real file name for a web app file pathname.
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377 *
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378 * If filename starts with "/" its treated as absolute else the path is
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379 * appended to the base directory of the web-app.
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380 *
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381 * @param filename
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382 * @param sc
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383 * @return
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384 */
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385 public static String getResourcePath(ServletContext sc, String filename) {
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386 File f = new File(filename);
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387 // is the filename absolute?
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388 if (!f.isAbsolute() && sc != null) {
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389 // relative path -> use getRealPath to resolve in webapp
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390 filename = sc.getRealPath(filename);
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391 }
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392 return filename;
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393 }
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394
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395 /*
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396 * (non-Javadoc)
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397 *
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398 * @see org.restlet.Application#stop()
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399 */
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400 @Override
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401 public synchronized void stop() throws Exception {
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402 /*
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403 * trying to clean up databases, not sure if this is the right way...
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404 */
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405 if (srv != null) {
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406 logger.debug("Stopping DB admin server...");
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407 srv.stop();
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408 srv = null;
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409 }
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410 if (graphDb != null) {
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411 logger.debug("Stopping DB...");
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412 graphDb.shutdown();
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413 graphDb = null;
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414 }
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415 super.stop();
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416 }
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417
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418 private static void registerShutdownHook(final GraphDatabaseService graphDb) {
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419 // Registers a shutdown hook for the Neo4j instance so that it
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420 // shuts down nicely when the VM exits (even if you "Ctrl-C" the
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421 // running example before it's completed)
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422 Runtime.getRuntime().addShutdownHook(new Thread() {
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423 @Override
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424 public void run() {
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425 graphDb.shutdown();
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426 }
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427 });
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428 }
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429
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430 }