2 * FreenetSone - Core.java - Copyright © 2010 David Roden
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package net.pterodactylus.sone.core;
20 import java.net.MalformedURLException;
21 import java.util.Collections;
22 import java.util.HashMap;
23 import java.util.HashSet;
26 import java.util.UUID;
27 import java.util.logging.Level;
28 import java.util.logging.Logger;
30 import net.pterodactylus.sone.core.SoneException.Type;
31 import net.pterodactylus.sone.data.Post;
32 import net.pterodactylus.sone.data.Profile;
33 import net.pterodactylus.sone.data.Sone;
34 import net.pterodactylus.util.config.Configuration;
35 import net.pterodactylus.util.config.ConfigurationException;
36 import net.pterodactylus.util.logging.Logging;
37 import net.pterodactylus.util.service.AbstractService;
38 import freenet.keys.FreenetURI;
43 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
45 public class Core extends AbstractService {
48 private static final Logger logger = Logging.getLogger(Core.class);
50 /** The configuration. */
51 private Configuration configuration;
53 /** Interface to freenet. */
54 private FreenetInterface freenetInterface;
56 /** The local Sones. */
57 private final Set<Sone> localSones = new HashSet<Sone>();
59 /** Sone inserters. */
60 private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>();
74 * Sets the configuration of the core.
76 * @param configuration
77 * The configuration of the core
78 * @return This core (for method chaining)
80 public Core configuration(Configuration configuration) {
81 this.configuration = configuration;
86 * Sets the Freenet interface to use.
88 * @param freenetInterface
89 * The Freenet interface to use
90 * @return This core (for method chaining)
92 public Core freenetInterface(FreenetInterface freenetInterface) {
93 this.freenetInterface = freenetInterface;
98 * Returns the local Sones.
100 * @return The local Sones
102 public Set<Sone> getSones() {
103 return Collections.unmodifiableSet(localSones);
111 * Adds the given Sone.
116 public void addSone(Sone sone) {
117 if (localSones.add(sone)) {
118 SoneInserter soneInserter = new SoneInserter(freenetInterface, sone);
119 soneInserter.start();
120 soneInserters.put(sone, soneInserter);
125 * Creates a new Sone at a random location.
128 * The name of the Sone
129 * @return The created Sone
130 * @throws SoneException
131 * if a Sone error occurs
133 public Sone createSone(String name) throws SoneException {
134 return createSone(name, null, null);
138 * Creates a new Sone at the given location. If one of {@code requestUri} or
139 * {@code insertUrI} is {@code null}, the Sone is created at a random
143 * The name of the Sone
145 * The request URI of the Sone, or {@link NullPointerException}
146 * to create a Sone at a random location
148 * The insert URI of the Sone, or {@code null} to create a Sone
149 * at a random location
150 * @return The created Sone
151 * @throws SoneException
152 * if a Sone error occurs
154 public Sone createSone(String name, String requestUri, String insertUri) throws SoneException {
155 if ((name == null) || (name.trim().length() == 0)) {
156 throw new SoneException(Type.INVALID_SONE_NAME);
158 String finalRequestUri;
159 String finalInsertUri;
160 if ((requestUri == null) || (insertUri == null)) {
161 String[] keyPair = freenetInterface.generateKeyPair();
162 finalRequestUri = keyPair[0];
163 finalInsertUri = keyPair[1];
165 finalRequestUri = requestUri;
166 finalInsertUri = insertUri;
170 logger.log(Level.FINEST, "Creating new Sone “%s” at %s (%s)…", new Object[] { name, finalRequestUri, finalInsertUri });
171 sone = new Sone(UUID.randomUUID(), name, new FreenetURI(finalRequestUri), new FreenetURI(finalInsertUri));
172 sone.setProfile(new Profile());
173 /* set modification counter to 1 so it is inserted immediately. */
174 sone.setModificationCounter(1);
176 } catch (MalformedURLException mue1) {
177 throw new SoneException(Type.INVALID_URI);
179 localSones.add(sone);
184 * Deletes the given Sone from this plugin instance.
189 public void deleteSone(Sone sone) {
190 SoneInserter soneInserter = soneInserters.remove(sone);
192 localSones.remove(sone);
203 protected void serviceStart() {
211 protected void serviceStop() {
212 /* stop all Sone inserters. */
213 for (SoneInserter soneInserter : soneInserters.values()) {
224 * Loads the configuration.
226 private void loadConfiguration() {
227 logger.entering(Core.class.getName(), "loadConfiguration()");
229 /* parse local Sones. */
230 logger.log(Level.INFO, "Loading Sones…");
233 String sonePrefix = "Sone/Sone." + soneId++;
234 String id = configuration.getStringValue(sonePrefix + "/ID").getValue(null);
238 String name = configuration.getStringValue(sonePrefix + "/Name").getValue(null);
239 String insertUri = configuration.getStringValue(sonePrefix + "/InsertURI").getValue(null);
240 String requestUri = configuration.getStringValue(sonePrefix + "/RequestURI").getValue(null);
241 long modificationCounter = configuration.getLongValue(sonePrefix + "/ModificationCounter").getValue((long) 0);
242 String firstName = configuration.getStringValue(sonePrefix + "/Profile/FirstName").getValue(null);
243 String middleName = configuration.getStringValue(sonePrefix + "/Profile/MiddleName").getValue(null);
244 String lastName = configuration.getStringValue(sonePrefix + "/Profile/LastName").getValue(null);
246 Profile profile = new Profile();
247 profile.setFirstName(firstName);
248 profile.setMiddleName(middleName);
249 profile.setLastName(lastName);
250 Sone sone = new Sone(UUID.fromString(id), name, new FreenetURI(requestUri), new FreenetURI(insertUri));
251 sone.setProfile(profile);
254 String postPrefix = sonePrefix + "/Post." + postId++;
255 id = configuration.getStringValue(postPrefix + "/ID").getValue(null);
259 long time = configuration.getLongValue(postPrefix + "/Time").getValue(null);
260 String text = configuration.getStringValue(postPrefix + "/Text").getValue(null);
261 Post post = new Post(UUID.fromString(id), sone, time, text);
264 sone.setModificationCounter(modificationCounter);
266 } catch (MalformedURLException mue1) {
267 logger.log(Level.WARNING, "Could not create Sone from requestUri (“" + requestUri + "”) and insertUri (“" + insertUri + "”)!", mue1);
270 logger.log(Level.INFO, "Loaded %d Sones.", getSones().size());
272 logger.exiting(Core.class.getName(), "loadConfiguration()");
276 * Saves the configuraiton.
278 private void saveConfiguration() {
279 Set<Sone> sones = getSones();
280 logger.log(Level.INFO, "Storing %d Sones…", sones.size());
282 /* store all Sones. */
284 for (Sone sone : localSones) {
285 String sonePrefix = "Sone/Sone." + soneId++;
286 configuration.getStringValue(sonePrefix + "/ID").setValue(sone.getId());
287 configuration.getStringValue(sonePrefix + "/Name").setValue(sone.getName());
288 configuration.getStringValue(sonePrefix + "/RequestURI").setValue(sone.getRequestUri().toString());
289 configuration.getStringValue(sonePrefix + "/InsertURI").setValue(sone.getInsertUri().toString());
290 configuration.getLongValue(sonePrefix + "/ModificationCounter").setValue(sone.getModificationCounter());
291 Profile profile = sone.getProfile();
292 configuration.getStringValue(sonePrefix + "/Profile/FirstName").setValue(profile.getFirstName());
293 configuration.getStringValue(sonePrefix + "/Profile/MiddleName").setValue(profile.getMiddleName());
294 configuration.getStringValue(sonePrefix + "/Profile/LastName").setValue(profile.getLastName());
296 for (Post post : sone.getPosts()) {
297 String postPrefix = sonePrefix + "/Post." + postId++;
298 configuration.getStringValue(postPrefix + "/ID").setValue(post.getId());
299 configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime());
300 configuration.getStringValue(postPrefix + "/Text").setValue(post.getText());
303 } catch (ConfigurationException ce1) {
304 logger.log(Level.WARNING, "Could not store configuration!", ce1);