import net.pterodactylus.util.config.ConfigurationException;
import net.pterodactylus.util.logging.Logging;
import net.pterodactylus.util.number.Numbers;
+import net.pterodactylus.util.version.Version;
import freenet.keys.FreenetURI;
/**
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public class Core implements IdentityListener {
+public class Core implements IdentityListener, UpdateListener {
/**
* Enumeration for the possible states of a {@link Sone}.
private final CoreListenerManager coreListenerManager = new CoreListenerManager(this);
/** The configuration. */
- private final Configuration configuration;
+ private Configuration configuration;
+
+ /** Whether we’re currently saving the configuration. */
+ private boolean storingConfiguration = false;
/** The identity manager. */
private final IdentityManager identityManager;
/** The Sone downloader. */
private final SoneDownloader soneDownloader;
+ /** The update checker. */
+ private final UpdateChecker updateChecker;
+
/** Whether the core has been stopped. */
private volatile boolean stopped;
this.freenetInterface = freenetInterface;
this.identityManager = identityManager;
this.soneDownloader = new SoneDownloader(this, freenetInterface);
+ this.updateChecker = new UpdateChecker(freenetInterface);
}
//
//
/**
+ * Sets the configuration to use. This will automatically save the current
+ * configuration to the given configuration.
+ *
+ * @param configuration
+ * The new configuration to use
+ */
+ public void setConfiguration(Configuration configuration) {
+ this.configuration = configuration;
+ saveConfiguration();
+ }
+
+ /**
* Returns the options used by the core.
*
* @return The options of the core
}
/**
+ * Returns the update checker.
+ *
+ * @return The update checker
+ */
+ public UpdateChecker getUpdateChecker() {
+ return updateChecker;
+ }
+
+ /**
* Returns the status of the given Sone.
*
* @param sone
* @return The post, or {@code null} if there is no such post
*/
public Post getPost(String postId) {
+ return getPost(postId, true);
+ }
+
+ /**
+ * Returns the post with the given ID, optionally creating a new post.
+ *
+ * @param postId
+ * The ID of the post to get
+ * @param create
+ * {@code true} it create a new post if no post with the given ID
+ * exists, {@code false} to return {@code null}
+ * @return The post, or {@code null} if there is no such post
+ */
+ public Post getPost(String postId, boolean create) {
synchronized (posts) {
Post post = posts.get(postId);
- if (post == null) {
+ if ((post == null) && create) {
post = new Post(postId);
posts.put(postId, post);
}
* otherwise
*/
public boolean isNewPost(String postId) {
+ return isNewPost(postId, true);
+ }
+
+ /**
+ * Returns whether the given post ID is new. If {@code markAsKnown} is
+ * {@code true} then after this method returns the post ID is marked a known
+ * post ID.
+ *
+ * @param postId
+ * The post ID
+ * @param markAsKnown
+ * {@code true} to mark the post ID as known, {@code false} to
+ * not to mark it as known
+ * @return {@code true} if the post is considered to be new, {@code false}
+ * otherwise
+ */
+ public boolean isNewPost(String postId, boolean markAsKnown) {
synchronized (newPosts) {
- boolean isNew = !knownPosts.contains(postId) && newPosts.remove(postId);
- knownPosts.add(postId);
- if (isNew) {
- coreListenerManager.fireMarkPostKnown(getPost(postId));
+ boolean isNew = !knownPosts.contains(postId) && newPosts.contains(postId);
+ if (markAsKnown) {
+ Post post = getPost(postId, false);
+ if (post != null) {
+ markPostKnown(post);
+ }
}
return isNew;
}
}
/**
- * Returns the reply with the given ID.
+ * Returns the reply with the given ID. If there is no reply with the given
+ * ID yet, a new one is created.
*
* @param replyId
* The ID of the reply to get
- * @return The reply, or {@code null} if there is no such reply
+ * @return The reply
*/
public Reply getReply(String replyId) {
+ return getReply(replyId, true);
+ }
+
+ /**
+ * Returns the reply with the given ID. If there is no reply with the given
+ * ID yet, a new one is created, unless {@code create} is false in which
+ * case {@code null} is returned.
+ *
+ * @param replyId
+ * The ID of the reply to get
+ * @param create
+ * {@code true} to always return a {@link Reply}, {@code false}
+ * to return {@code null} if no reply can be found
+ * @return The reply, or {@code null} if there is no such reply
+ */
+ public Reply getReply(String replyId, boolean create) {
synchronized (replies) {
Reply reply = replies.get(replyId);
- if (reply == null) {
+ if (create && (reply == null)) {
reply = new Reply(replyId);
replies.put(replyId, reply);
}
* otherwise
*/
public boolean isNewReply(String replyId) {
+ return isNewReply(replyId, true);
+ }
+
+ /**
+ * Returns whether the reply with the given ID is new.
+ *
+ * @param replyId
+ * The ID of the reply to check
+ * @param markAsKnown
+ * {@code true} to mark the reply as known, {@code false} to not
+ * to mark it as known
+ * @return {@code true} if the reply is considered to be new, {@code false}
+ * otherwise
+ */
+ public boolean isNewReply(String replyId, boolean markAsKnown) {
synchronized (newReplies) {
- boolean isNew = !knownReplies.contains(replyId) && newReplies.remove(replyId);
- knownReplies.add(replyId);
- if (isNew) {
- coreListenerManager.fireMarkReplyKnown(getReply(replyId));
+ boolean isNew = !knownReplies.contains(replyId) && newReplies.contains(replyId);
+ if (markAsKnown) {
+ Reply reply = getReply(replyId, false);
+ if (reply != null) {
+ markReplyKnown(reply);
+ }
}
return isNew;
}
*/
public void lockSone(Sone sone) {
synchronized (lockedSones) {
- lockedSones.add(sone);
+ if (lockedSones.add(sone)) {
+ coreListenerManager.fireSoneLocked(sone);
+ }
}
}
*/
public void unlockSone(Sone sone) {
synchronized (lockedSones) {
- lockedSones.remove(sone);
+ if (lockedSones.remove(sone)) {
+ coreListenerManager.fireSoneUnlocked(sone);
+ }
}
}
return;
}
logger.log(Level.INFO, "Trying to restore Sone from Freenet…");
+ coreListenerManager.fireRescuingSone(sone);
+ lockSone(sone);
long edition = sone.getLatestEdition();
while (!stopped && (edition >= 0) && isSoneRescueMode()) {
logger.log(Level.FINE, "Downloading edition " + edition + "…");
--edition;
}
logger.log(Level.INFO, "Finished restoring Sone from Freenet, starting Inserter…");
+ saveSone(sone);
+ coreListenerManager.fireRescuedSone(sone);
soneInserter.start();
}
if (!soneRescueMode) {
for (Post post : storedSone.getPosts()) {
posts.remove(post.getId());
+ if (!sone.getPosts().contains(post)) {
+ coreListenerManager.firePostRemoved(post);
+ }
}
}
synchronized (newPosts) {
for (Post post : sone.getPosts()) {
+ post.setSone(getSone(post.getSone().getId()));
if (!storedSone.getPosts().contains(post) && !knownPosts.contains(post.getId())) {
newPosts.add(post.getId());
coreListenerManager.fireNewPostFound(post);
if (!soneRescueMode) {
for (Reply reply : storedSone.getReplies()) {
replies.remove(reply.getId());
+ if (!sone.getReplies().contains(reply)) {
+ coreListenerManager.fireReplyRemoved(reply);
+ }
}
}
synchronized (newReplies) {
for (Reply reply : sone.getReplies()) {
+ reply.setSone(getSone(reply.getSone().getId()));
if (!storedSone.getReplies().contains(reply) && !knownReplies.contains(reply.getId())) {
newReplies.add(reply.getId());
coreListenerManager.fireNewReplyFound(reply);
}
}
synchronized (storedSone) {
- storedSone.setTime(sone.getTime());
+ if (!soneRescueMode || (sone.getTime() > storedSone.getTime())) {
+ storedSone.setTime(sone.getTime());
+ }
storedSone.setClient(sone.getClient());
storedSone.setProfile(sone.getProfile());
if (soneRescueMode) {
storedSone.setLikePostIds(sone.getLikedPostIds());
storedSone.setLikeReplyIds(sone.getLikedReplyIds());
}
- storedSone.setLatestEdition(sone.getRequestUri().getEdition());
+ storedSone.setLatestEdition(sone.getLatestEdition());
}
}
}
if (postId == null) {
break;
}
+ String postRecipientId = configuration.getStringValue(postPrefix + "/Recipient").getValue(null);
long postTime = configuration.getLongValue(postPrefix + "/Time").getValue((long) 0);
String postText = configuration.getStringValue(postPrefix + "/Text").getValue(null);
if ((postTime == 0) || (postText == null)) {
logger.log(Level.WARNING, "Invalid post found, aborting load!");
return;
}
- posts.add(getPost(postId).setSone(sone).setTime(postTime).setText(postText));
+ Post post = getPost(postId).setSone(sone).setTime(postTime).setText(postText);
+ if ((postRecipientId != null) && (postRecipientId.length() == 43)) {
+ post.setRecipient(getSone(postRecipientId));
+ }
+ posts.add(post);
}
/* load replies. */
* @param sone
* The Sone to save
*/
- public void saveSone(Sone sone) {
+ public synchronized void saveSone(Sone sone) {
if (!isLocalSone(sone)) {
logger.log(Level.FINE, "Tried to save non-local Sone: %s", sone);
return;
for (Post post : sone.getPosts()) {
String postPrefix = sonePrefix + "/Posts/" + postCounter++;
configuration.getStringValue(postPrefix + "/ID").setValue(post.getId());
+ configuration.getStringValue(postPrefix + "/Recipient").setValue((post.getRecipient() != null) ? post.getRecipient().getId() : null);
configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime());
configuration.getStringValue(postPrefix + "/Text").setValue(post.getText());
}
}
configuration.getStringValue(sonePrefix + "/Friends/" + friendCounter + "/ID").setValue(null);
+ configuration.save();
logger.log(Level.INFO, "Sone %s saved.", sone);
} catch (ConfigurationException ce1) {
logger.log(Level.WARNING, "Could not save Sone: " + sone, ce1);
* The Sone that creates the post
* @param text
* The text of the post
+ * @return The created post
+ */
+ public Post createPost(Sone sone, String text) {
+ return createPost(sone, System.currentTimeMillis(), text);
+ }
+
+ /**
+ * Creates a new post.
+ *
+ * @param sone
+ * The Sone that creates the post
+ * @param time
+ * The time of the post
+ * @param text
+ * The text of the post
+ * @return The created post
+ */
+ public Post createPost(Sone sone, long time, String text) {
+ return createPost(sone, null, time, text);
+ }
+
+ /**
+ * Creates a new post.
+ *
+ * @param sone
+ * The Sone that creates the post
+ * @param recipient
+ * The recipient Sone, or {@code null} if this post does not have
+ * a recipient
+ * @param text
+ * The text of the post
+ * @return The created post
*/
- public void createPost(Sone sone, String text) {
- createPost(sone, System.currentTimeMillis(), text);
+ public Post createPost(Sone sone, Sone recipient, String text) {
+ return createPost(sone, recipient, System.currentTimeMillis(), text);
}
/**
*
* @param sone
* The Sone that creates the post
+ * @param recipient
+ * The recipient Sone, or {@code null} if this post does not have
+ * a recipient
* @param time
* The time of the post
* @param text
* The text of the post
+ * @return The created post
*/
- public void createPost(Sone sone, long time, String text) {
+ public Post createPost(Sone sone, Sone recipient, long time, String text) {
if (!isLocalSone(sone)) {
logger.log(Level.FINE, "Tried to create post for non-local Sone: %s", sone);
- return;
+ return null;
}
Post post = new Post(sone, time, text);
+ if (recipient != null) {
+ post.setRecipient(recipient);
+ }
synchronized (posts) {
posts.put(post.getId(), post);
}
}
sone.addPost(post);
saveSone(sone);
+ return post;
}
/**
}
/**
+ * Marks the given post as known, if it is currently a new post (according
+ * to {@link #isNewPost(String)}).
+ *
+ * @param post
+ * The post to mark as known
+ */
+ public void markPostKnown(Post post) {
+ synchronized (newPosts) {
+ if (newPosts.remove(post.getId())) {
+ knownPosts.add(post.getId());
+ coreListenerManager.fireMarkPostKnown(post);
+ saveConfiguration();
+ }
+ }
+ }
+
+ /**
* Creates a new reply.
*
* @param sone
}
/**
+ * Marks the given reply as known, if it is currently a new reply (according
+ * to {@link #isNewReply(String)}).
+ *
+ * @param reply
+ * The reply to mark as known
+ */
+ public void markReplyKnown(Reply reply) {
+ synchronized (newReplies) {
+ if (newReplies.remove(reply.getId())) {
+ knownReplies.add(reply.getId());
+ coreListenerManager.fireMarkReplyKnown(reply);
+ saveConfiguration();
+ }
+ }
+ }
+
+ /**
* Starts the core.
*/
public void start() {
loadConfiguration();
+ updateChecker.addUpdateListener(this);
+ updateChecker.start();
}
/**
soneInserter.stop();
}
}
+ updateChecker.stop();
+ updateChecker.removeUpdateListener(this);
+ soneDownloader.stop();
saveConfiguration();
stopped = true;
}
+ /**
+ * Saves the current options.
+ */
+ public void saveConfiguration() {
+ synchronized (configuration) {
+ if (storingConfiguration) {
+ logger.log(Level.FINE, "Already storing configuration…");
+ return;
+ }
+ storingConfiguration = true;
+ }
+
+ /* store the options first. */
+ try {
+ configuration.getIntValue("Option/ConfigurationVersion").setValue(0);
+ configuration.getIntValue("Option/InsertionDelay").setValue(options.getIntegerOption("InsertionDelay").getReal());
+ configuration.getBooleanValue("Option/SoneRescueMode").setValue(options.getBooleanOption("SoneRescueMode").getReal());
+ configuration.getBooleanValue("Option/ClearOnNextRestart").setValue(options.getBooleanOption("ClearOnNextRestart").getReal());
+ configuration.getBooleanValue("Option/ReallyClearOnNextRestart").setValue(options.getBooleanOption("ReallyClearOnNextRestart").getReal());
+
+ /* save known Sones. */
+ int soneCounter = 0;
+ synchronized (newSones) {
+ for (String knownSoneId : knownSones) {
+ configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").setValue(knownSoneId);
+ }
+ configuration.getStringValue("KnownSone/" + soneCounter + "/ID").setValue(null);
+ }
+
+ /* save known posts. */
+ int postCounter = 0;
+ synchronized (newPosts) {
+ for (String knownPostId : knownPosts) {
+ configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").setValue(knownPostId);
+ }
+ configuration.getStringValue("KnownPosts/" + postCounter + "/ID").setValue(null);
+ }
+
+ /* save known replies. */
+ int replyCounter = 0;
+ synchronized (newReplies) {
+ for (String knownReplyId : knownReplies) {
+ configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").setValue(knownReplyId);
+ }
+ configuration.getStringValue("KnownReplies/" + replyCounter + "/ID").setValue(null);
+ }
+
+ /* now save it. */
+ configuration.save();
+
+ } catch (ConfigurationException ce1) {
+ logger.log(Level.SEVERE, "Could not store configuration!", ce1);
+ } finally {
+ synchronized (configuration) {
+ storingConfiguration = false;
+ }
+ }
+ }
+
//
// PRIVATE METHODS
//
}
/**
- * Saves the current options.
- */
- private void saveConfiguration() {
- /* store the options first. */
- try {
- configuration.getIntValue("Option/InsertionDelay").setValue(options.getIntegerOption("InsertionDelay").getReal());
- configuration.getBooleanValue("Option/SoneRescueMode").setValue(options.getBooleanOption("SoneRescueMode").getReal());
- configuration.getBooleanValue("Option/ClearOnNextRestart").setValue(options.getBooleanOption("ClearOnNextRestart").getReal());
- configuration.getBooleanValue("Option/ReallyClearOnNextRestart").setValue(options.getBooleanOption("ReallyClearOnNextRestart").getReal());
-
- /* save known Sones. */
- int soneCounter = 0;
- synchronized (newSones) {
- for (String knownSoneId : knownSones) {
- configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").setValue(knownSoneId);
- }
- configuration.getStringValue("KnownSone/" + soneCounter + "/ID").setValue(null);
- }
-
- /* save known posts. */
- int postCounter = 0;
- synchronized (newPosts) {
- for (String knownPostId : knownPosts) {
- configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").setValue(knownPostId);
- }
- configuration.getStringValue("KnownPosts/" + postCounter + "/ID").setValue(null);
- }
-
- /* save known replies. */
- int replyCounter = 0;
- synchronized (newReplies) {
- for (String knownReplyId : knownReplies) {
- configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").setValue(knownReplyId);
- }
- configuration.getStringValue("KnownReplies/" + replyCounter + "/ID").setValue(null);
- }
-
- } catch (ConfigurationException ce1) {
- logger.log(Level.SEVERE, "Could not store configuration!", ce1);
- }
- }
-
- /**
* Generate a Sone URI from the given URI and latest edition.
*
* @param uriString
/* TODO */
}
+ //
+ // INTERFACE UpdateListener
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void updateFound(Version version, long releaseTime) {
+ coreListenerManager.fireUpdateFound(version, releaseTime);
+ }
+
}