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.Reply;
34 import net.pterodactylus.sone.data.Sone;
35 import net.pterodactylus.util.config.Configuration;
36 import net.pterodactylus.util.config.ConfigurationException;
37 import net.pterodactylus.util.logging.Logging;
38 import net.pterodactylus.util.service.AbstractService;
39 import freenet.keys.FreenetURI;
44 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
46 public class Core extends AbstractService {
49 private static final Logger logger = Logging.getLogger(Core.class);
51 /** The configuration. */
52 private Configuration configuration;
54 /** Interface to freenet. */
55 private FreenetInterface freenetInterface;
57 /** The local Sones. */
58 private final Set<Sone> localSones = new HashSet<Sone>();
60 /** Sone inserters. */
61 private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>();
75 * Sets the configuration of the core.
77 * @param configuration
78 * The configuration of the core
79 * @return This core (for method chaining)
81 public Core configuration(Configuration configuration) {
82 this.configuration = configuration;
87 * Sets the Freenet interface to use.
89 * @param freenetInterface
90 * The Freenet interface to use
91 * @return This core (for method chaining)
93 public Core freenetInterface(FreenetInterface freenetInterface) {
94 this.freenetInterface = freenetInterface;
99 * Returns the local Sones.
101 * @return The local Sones
103 public Set<Sone> getSones() {
104 return Collections.unmodifiableSet(localSones);
112 * Adds the given Sone.
117 public void addSone(Sone sone) {
118 if (localSones.add(sone)) {
119 SoneInserter soneInserter = new SoneInserter(freenetInterface, sone);
120 soneInserter.start();
121 soneInserters.put(sone, soneInserter);
126 * Creates a new Sone at a random location.
129 * The name of the Sone
130 * @return The created Sone
131 * @throws SoneException
132 * if a Sone error occurs
134 public Sone createSone(String name) throws SoneException {
135 return createSone(name, null, null);
139 * Creates a new Sone at the given location. If one of {@code requestUri} or
140 * {@code insertUrI} is {@code null}, the Sone is created at a random
144 * The name of the Sone
146 * The request URI of the Sone, or {@link NullPointerException}
147 * to create a Sone at a random location
149 * The insert URI of the Sone, or {@code null} to create a Sone
150 * at a random location
151 * @return The created Sone
152 * @throws SoneException
153 * if a Sone error occurs
155 public Sone createSone(String name, String requestUri, String insertUri) throws SoneException {
156 if ((name == null) || (name.trim().length() == 0)) {
157 throw new SoneException(Type.INVALID_SONE_NAME);
159 String finalRequestUri;
160 String finalInsertUri;
161 if ((requestUri == null) || (insertUri == null)) {
162 String[] keyPair = freenetInterface.generateKeyPair();
163 finalRequestUri = keyPair[0];
164 finalInsertUri = keyPair[1];
166 finalRequestUri = requestUri;
167 finalInsertUri = insertUri;
171 logger.log(Level.FINEST, "Creating new Sone “%s” at %s (%s)…", new Object[] { name, finalRequestUri, finalInsertUri });
172 sone = new Sone(UUID.randomUUID(), name, new FreenetURI(finalRequestUri), new FreenetURI(finalInsertUri));
173 sone.setProfile(new Profile());
174 /* set modification counter to 1 so it is inserted immediately. */
175 sone.setModificationCounter(1);
177 } catch (MalformedURLException mue1) {
178 throw new SoneException(Type.INVALID_URI);
180 localSones.add(sone);
185 * Deletes the given Sone from this plugin instance.
190 public void deleteSone(Sone sone) {
191 SoneInserter soneInserter = soneInserters.remove(sone);
193 localSones.remove(sone);
204 protected void serviceStart() {
212 protected void serviceStop() {
213 /* stop all Sone inserters. */
214 for (SoneInserter soneInserter : soneInserters.values()) {
225 * Loads the configuration.
227 private void loadConfiguration() {
228 logger.entering(Core.class.getName(), "loadConfiguration()");
230 /* parse local Sones. */
231 logger.log(Level.INFO, "Loading Sones…");
234 String sonePrefix = "Sone/Sone." + soneId++;
235 String id = configuration.getStringValue(sonePrefix + "/ID").getValue(null);
239 String name = configuration.getStringValue(sonePrefix + "/Name").getValue(null);
240 String insertUri = configuration.getStringValue(sonePrefix + "/InsertURI").getValue(null);
241 String requestUri = configuration.getStringValue(sonePrefix + "/RequestURI").getValue(null);
242 long modificationCounter = configuration.getLongValue(sonePrefix + "/ModificationCounter").getValue((long) 0);
243 String firstName = configuration.getStringValue(sonePrefix + "/Profile/FirstName").getValue(null);
244 String middleName = configuration.getStringValue(sonePrefix + "/Profile/MiddleName").getValue(null);
245 String lastName = configuration.getStringValue(sonePrefix + "/Profile/LastName").getValue(null);
247 Profile profile = new Profile();
248 profile.setFirstName(firstName);
249 profile.setMiddleName(middleName);
250 profile.setLastName(lastName);
251 Sone sone = new Sone(UUID.fromString(id), name, new FreenetURI(requestUri), new FreenetURI(insertUri));
252 sone.setProfile(profile);
255 String postPrefix = sonePrefix + "/Post." + postId++;
256 id = configuration.getStringValue(postPrefix + "/ID").getValue(null);
260 long time = configuration.getLongValue(postPrefix + "/Time").getValue(null);
261 String text = configuration.getStringValue(postPrefix + "/Text").getValue(null);
262 Post post = new Post(UUID.fromString(id), sone, time, text);
265 sone.setModificationCounter(modificationCounter);
267 } catch (MalformedURLException mue1) {
268 logger.log(Level.WARNING, "Could not create Sone from requestUri (“" + requestUri + "”) and insertUri (“" + insertUri + "”)!", mue1);
271 logger.log(Level.INFO, "Loaded %d Sones.", getSones().size());
273 logger.exiting(Core.class.getName(), "loadConfiguration()");
277 * Saves the configuraiton.
279 private void saveConfiguration() {
280 Set<Sone> sones = getSones();
281 logger.log(Level.INFO, "Storing %d Sones…", sones.size());
283 /* store all Sones. */
285 for (Sone sone : localSones) {
286 String sonePrefix = "Sone/Sone." + soneId++;
287 configuration.getStringValue(sonePrefix + "/ID").setValue(sone.getId());
288 configuration.getStringValue(sonePrefix + "/Name").setValue(sone.getName());
289 configuration.getStringValue(sonePrefix + "/RequestURI").setValue(sone.getRequestUri().toString());
290 configuration.getStringValue(sonePrefix + "/InsertURI").setValue(sone.getInsertUri().toString());
291 configuration.getLongValue(sonePrefix + "/ModificationCounter").setValue(sone.getModificationCounter());
292 Profile profile = sone.getProfile();
293 configuration.getStringValue(sonePrefix + "/Profile/FirstName").setValue(profile.getFirstName());
294 configuration.getStringValue(sonePrefix + "/Profile/MiddleName").setValue(profile.getMiddleName());
295 configuration.getStringValue(sonePrefix + "/Profile/LastName").setValue(profile.getLastName());
297 for (Post post : sone.getPosts()) {
298 String postPrefix = sonePrefix + "/Post." + postId++;
299 configuration.getStringValue(postPrefix + "/ID").setValue(post.getId());
300 configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime());
301 configuration.getStringValue(postPrefix + "/Text").setValue(post.getText());
304 for (Reply reply : sone.getReplies()) {
305 String replyPrefix = sonePrefix + "/Reply." + replyId++;
306 configuration.getStringValue(replyPrefix + "/ID").setValue(reply.getId());
307 configuration.getStringValue(replyPrefix + "/Sone").setValue(reply.getSone().getId());
308 configuration.getStringValue(replyPrefix + "/Post").setValue(reply.getPost().getId());
309 configuration.getLongValue(replyPrefix + "/Time").setValue(reply.getTime());
310 configuration.getStringValue(replyPrefix + "/Text").setValue(reply.getText());
313 } catch (ConfigurationException ce1) {
314 logger.log(Level.WARNING, "Could not store configuration!", ce1);