package net.pterodactylus.sone.core;
import java.net.MalformedURLException;
+import java.util.ArrayList;
+import java.util.Collection;
import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
+import java.util.Map;
import java.util.Set;
+import java.util.UUID;
import java.util.logging.Level;
import java.util.logging.Logger;
+import net.pterodactylus.sone.core.SoneException.Type;
+import net.pterodactylus.sone.data.Post;
+import net.pterodactylus.sone.data.Profile;
+import net.pterodactylus.sone.data.Reply;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.util.config.Configuration;
+import net.pterodactylus.util.config.ConfigurationException;
import net.pterodactylus.util.logging.Logging;
import net.pterodactylus.util.service.AbstractService;
-import net.pterodactylus.util.text.StringEscaper;
-import net.pterodactylus.util.text.TextException;
+import freenet.client.FetchResult;
import freenet.keys.FreenetURI;
/**
/** Interface to freenet. */
private FreenetInterface freenetInterface;
+ /** The Sone downloader. */
+ private SoneDownloader soneDownloader;
+
/** The local Sones. */
private final Set<Sone> localSones = new HashSet<Sone>();
+ /** Sone inserters. */
+ private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>();
+
+ /* various caches follow here. */
+
+ /** Cache for all known Sones. */
+ private final Map<String, Sone> soneCache = new HashMap<String, Sone>();
+
+ /** Cache for all known posts. */
+ private final Map<String, Post> postCache = new HashMap<String, Post>();
+
+ /** Cache for all known replies. */
+ private final Map<String, Reply> replyCache = new HashMap<String, Reply>();
+
/**
* Creates a new core.
*/
*/
public Core freenetInterface(FreenetInterface freenetInterface) {
this.freenetInterface = freenetInterface;
+ soneDownloader = new SoneDownloader(this, freenetInterface);
+ soneDownloader.start();
return this;
}
+ /**
+ * Returns the local Sones.
+ *
+ * @return The local Sones
+ */
+ public Set<Sone> getSones() {
+ return Collections.unmodifiableSet(localSones);
+ }
+
+ /**
+ * Returns the Sone with the given ID, or an empty Sone that has been
+ * initialized with the given ID.
+ *
+ * @param soneId
+ * The ID of the Sone
+ * @return The Sone
+ */
+ public Sone getSone(String soneId) {
+ if (!soneCache.containsKey(soneId)) {
+ Sone sone = new Sone(soneId);
+ soneCache.put(soneId, sone);
+ }
+ return soneCache.get(soneId);
+ }
+
+ /**
+ * Returns all known sones.
+ *
+ * @return All known sones
+ */
+ public Collection<Sone> getKnownSones() {
+ return soneCache.values();
+ }
+
+ /**
+ * Creates a new post.
+ *
+ * @param sone
+ * 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) {
+ Post post = getPost(UUID.randomUUID().toString()).setSone(sone).setTime(time).setText(text);
+ sone.addPost(post);
+ return post;
+ }
+
+ /**
+ * Creates a reply.
+ *
+ * @param sone
+ * The Sone that posts the reply
+ * @param post
+ * The post the reply refers to
+ * @param text
+ * The text of the reply
+ * @return The created reply
+ */
+ public Reply createReply(Sone sone, Post post, String text) {
+ return createReply(sone, post, System.currentTimeMillis(), text);
+ }
+
+ /**
+ * Creates a reply.
+ *
+ * @param sone
+ * The Sone that posts the reply
+ * @param post
+ * The post the reply refers to
+ * @param time
+ * The time of the post
+ * @param text
+ * The text of the reply
+ * @return The created reply
+ */
+ public Reply createReply(Sone sone, Post post, long time, String text) {
+ Reply reply = getReply(UUID.randomUUID().toString()).setSone(sone).setPost(post).setTime(time).setText(text);
+ sone.addReply(reply);
+ return reply;
+ }
+
//
// ACTIONS
//
+ /**
+ * Adds a Sone to watch for updates. The Sone needs to be completely
+ * initialized.
+ *
+ * @param sone
+ * The Sone to watch for updates
+ */
+ public void addSone(Sone sone) {
+ soneCache.put(sone.getId(), sone);
+ soneDownloader.addSone(sone);
+ }
+
+ /**
+ * Adds the given Sone.
+ *
+ * @param sone
+ * The Sone to add
+ */
+ public void addLocalSone(Sone sone) {
+ if (localSones.add(sone)) {
+ SoneInserter soneInserter = new SoneInserter(freenetInterface, sone);
+ soneInserter.start();
+ soneInserters.put(sone, soneInserter);
+ }
+ }
+
+ /**
+ * Creates a new Sone at a random location.
+ *
+ * @param name
+ * The name of the Sone
+ * @return The created Sone
+ * @throws SoneException
+ * if a Sone error occurs
+ */
+ public Sone createSone(String name) throws SoneException {
+ return createSone(name, null, null);
+ }
+
+ /**
+ * Creates a new Sone at the given location. If one of {@code requestUri} or
+ * {@code insertUrI} is {@code null}, the Sone is created at a random
+ * location.
+ *
+ * @param name
+ * The name of the Sone
+ * @param requestUri
+ * The request URI of the Sone, or {@link NullPointerException}
+ * to create a Sone at a random location
+ * @param insertUri
+ * The insert URI of the Sone, or {@code null} to create a Sone
+ * at a random location
+ * @return The created Sone
+ * @throws SoneException
+ * if a Sone error occurs
+ */
+ public Sone createSone(String name, String requestUri, String insertUri) throws SoneException {
+ if ((name == null) || (name.trim().length() == 0)) {
+ throw new SoneException(Type.INVALID_SONE_NAME);
+ }
+ String finalRequestUri;
+ String finalInsertUri;
+ if ((requestUri == null) || (insertUri == null)) {
+ String[] keyPair = freenetInterface.generateKeyPair();
+ finalRequestUri = keyPair[0];
+ finalInsertUri = keyPair[1];
+ } else {
+ finalRequestUri = requestUri;
+ finalInsertUri = insertUri;
+ }
+ Sone sone;
+ try {
+ logger.log(Level.FINEST, "Creating new Sone “%s” at %s (%s)…", new Object[] { name, finalRequestUri, finalInsertUri });
+ sone = getSone(UUID.randomUUID().toString()).setName(name).setRequestUri(new FreenetURI(finalRequestUri).setKeyType("USK").setDocName("Sone-" + name)).setInsertUri(new FreenetURI(finalInsertUri).setKeyType("USK").setDocName("Sone-" + name));
+ sone.setProfile(new Profile());
+ /* set modification counter to 1 so it is inserted immediately. */
+ sone.setModificationCounter(1);
+ addLocalSone(sone);
+ } catch (MalformedURLException mue1) {
+ throw new SoneException(Type.INVALID_URI);
+ }
+ return sone;
+ }
+
+ /**
+ * Loads the Sone from the given request URI.
+ *
+ * @param requestUri
+ * The request URI to load the Sone from
+ */
+ public void loadSone(String requestUri) {
+ try {
+ FreenetURI realRequestUri = new FreenetURI(requestUri).setMetaString(new String[] { "sone.xml" });
+ FetchResult fetchResult = freenetInterface.fetchUri(realRequestUri);
+ soneDownloader.parseSone(null, fetchResult, realRequestUri);
+ } catch (MalformedURLException mue1) {
+ logger.log(Level.INFO, "Could not create URI from “" + requestUri + "”.", mue1);
+ }
+ }
+
+ /**
+ * Deletes the given Sone from this plugin instance.
+ *
+ * @param sone
+ * The sone to delete
+ */
+ public void deleteSone(Sone sone) {
+ SoneInserter soneInserter = soneInserters.remove(sone);
+ soneInserter.stop();
+ localSones.remove(sone);
+ }
+
+ /**
+ * Returns the post with the given ID. If no post exists yet with the given
+ * ID, a new post is returned.
+ *
+ * @param postId
+ * The ID of the post
+ * @return The post
+ */
+ public Post getPost(String postId) {
+ if (!postCache.containsKey(postId)) {
+ postCache.put(postId, new Post(postId));
+ }
+ return postCache.get(postId);
+ }
+
+ /**
+ * Returns the reply with the given ID. If no reply exists yet with the
+ * given ID, a new reply is returned.
+ *
+ * @param replyId
+ * The ID of the reply
+ * @return The reply
+ */
+ public Reply getReply(String replyId) {
+ if (!replyCache.containsKey(replyId)) {
+ replyCache.put(replyId, new Reply(replyId));
+ }
+ return replyCache.get(replyId);
+ }
+
+ /**
+ * Gets all replies to the given post, sorted by date, oldest first.
+ *
+ * @param post
+ * The post the replies refer to
+ * @return The sorted list of replies for the post
+ */
+ public List<Reply> getReplies(Post post) {
+ List<Reply> replies = new ArrayList<Reply>();
+ for (Reply reply : replyCache.values()) {
+ if (reply.getPost().equals(post)) {
+ replies.add(reply);
+ }
+ }
+ Collections.sort(replies, new Comparator<Reply>() {
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int compare(Reply leftReply, Reply rightReply) {
+ return (int) Math.max(Integer.MIN_VALUE, Math.min(Integer.MAX_VALUE, leftReply.getTime() - rightReply.getTime()));
+ }
+ });
+ return replies;
+ }
+
//
// SERVICE METHODS
//
loadConfiguration();
}
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ protected void serviceStop() {
+ soneDownloader.stop();
+ /* stop all Sone inserters. */
+ for (SoneInserter soneInserter : soneInserters.values()) {
+ soneInserter.stop();
+ }
+ saveConfiguration();
+ }
+
//
// PRIVATE METHODS
//
private void loadConfiguration() {
logger.entering(Core.class.getName(), "loadConfiguration()");
- /* get names of all local Sones. */
- String allSoneNamesString = configuration.getStringValue("Sone/Names").getValue(null);
- if (allSoneNamesString == null) {
- allSoneNamesString = "";
- }
- List<String> allSoneNames;
- try {
- allSoneNames = StringEscaper.parseLine(allSoneNamesString);
- } catch (TextException te1) {
- logger.log(Level.WARNING, "Could not parse Sone names: “" + allSoneNamesString + "”", te1);
- allSoneNames = Collections.emptyList();
- }
-
/* parse local Sones. */
- for (String soneName : allSoneNames) {
- String insertUri = configuration.getStringValue("Sone/Name." + soneName + "/InsertURI").getValue(null);
- String requestUri = configuration.getStringValue("Sone/Name." + soneName + "/RequestURI").getValue(null);
+ logger.log(Level.INFO, "Loading Sones…");
+ int soneId = 0;
+ do {
+ String sonePrefix = "Sone/Sone." + soneId++;
+ String id = configuration.getStringValue(sonePrefix + "/ID").getValue(null);
+ if (id == null) {
+ break;
+ }
+ String name = configuration.getStringValue(sonePrefix + "/Name").getValue(null);
+ String insertUri = configuration.getStringValue(sonePrefix + "/InsertURI").getValue(null);
+ String requestUri = configuration.getStringValue(sonePrefix + "/RequestURI").getValue(null);
+ long modificationCounter = configuration.getLongValue(sonePrefix + "/ModificationCounter").getValue((long) 0);
+ String firstName = configuration.getStringValue(sonePrefix + "/Profile/FirstName").getValue(null);
+ String middleName = configuration.getStringValue(sonePrefix + "/Profile/MiddleName").getValue(null);
+ String lastName = configuration.getStringValue(sonePrefix + "/Profile/LastName").getValue(null);
try {
- localSones.add(new Sone(new FreenetURI(requestUri), new FreenetURI(insertUri)));
+ Profile profile = new Profile();
+ profile.setFirstName(firstName);
+ profile.setMiddleName(middleName);
+ profile.setLastName(lastName);
+ Sone sone = getSone(id).setName(name).setRequestUri(new FreenetURI(requestUri)).setInsertUri(new FreenetURI(insertUri));
+ sone.setProfile(profile);
+ int postId = 0;
+ do {
+ String postPrefix = sonePrefix + "/Post." + postId++;
+ id = configuration.getStringValue(postPrefix + "/ID").getValue(null);
+ if (id == null) {
+ break;
+ }
+ long time = configuration.getLongValue(postPrefix + "/Time").getValue(null);
+ String text = configuration.getStringValue(postPrefix + "/Text").getValue(null);
+ Post post = getPost(id).setSone(sone).setTime(time).setText(text);
+ sone.addPost(post);
+ } while (true);
+ int replyCounter = 0;
+ do {
+ String replyPrefix = sonePrefix + "/Reply." + replyCounter++;
+ String replyId = configuration.getStringValue(replyPrefix + "/ID").getValue(null);
+ if (replyId == null) {
+ break;
+ }
+ Post replyPost = getPost(configuration.getStringValue(replyPrefix + "/Post").getValue(null));
+ long replyTime = configuration.getLongValue(replyPrefix + "/Time").getValue(null);
+ String replyText = configuration.getStringValue(replyPrefix + "/Text").getValue(null);
+ Reply reply = getReply(replyId).setSone(sone).setPost(replyPost).setTime(replyTime).setText(replyText);
+ sone.addReply(reply);
+ } while (true);
+
+ /* load friends. */
+ int friendCounter = 0;
+ while (true) {
+ String friendPrefix = sonePrefix + "/Friend." + friendCounter++;
+ String friendId = configuration.getStringValue(friendPrefix + "/ID").getValue(null);
+ if (friendId == null) {
+ break;
+ }
+ Sone friendSone = getSone(friendId);
+ String friendKey = configuration.getStringValue(friendPrefix + "/Key").getValue(null);
+ String friendName = configuration.getStringValue(friendPrefix + "/Name").getValue(null);
+ friendSone.setRequestUri(new FreenetURI(friendKey)).setName(friendName);
+ soneDownloader.addSone(friendSone);
+ sone.addFriend(friendSone);
+ }
+
+ sone.setModificationCounter(modificationCounter);
+ addLocalSone(sone);
} catch (MalformedURLException mue1) {
logger.log(Level.WARNING, "Could not create Sone from requestUri (“" + requestUri + "”) and insertUri (“" + insertUri + "”)!", mue1);
}
- }
+ } while (true);
+ logger.log(Level.INFO, "Loaded %d Sones.", getSones().size());
logger.exiting(Core.class.getName(), "loadConfiguration()");
}
+ /**
+ * Saves the configuraiton.
+ */
+ private void saveConfiguration() {
+ Set<Sone> sones = getSones();
+ logger.log(Level.INFO, "Storing %d Sones…", sones.size());
+ try {
+ /* store all Sones. */
+ int soneId = 0;
+ for (Sone sone : localSones) {
+ String sonePrefix = "Sone/Sone." + soneId++;
+ configuration.getStringValue(sonePrefix + "/ID").setValue(sone.getId());
+ configuration.getStringValue(sonePrefix + "/Name").setValue(sone.getName());
+ configuration.getStringValue(sonePrefix + "/RequestURI").setValue(sone.getRequestUri().toString());
+ configuration.getStringValue(sonePrefix + "/InsertURI").setValue(sone.getInsertUri().toString());
+ configuration.getLongValue(sonePrefix + "/ModificationCounter").setValue(sone.getModificationCounter());
+ Profile profile = sone.getProfile();
+ configuration.getStringValue(sonePrefix + "/Profile/FirstName").setValue(profile.getFirstName());
+ configuration.getStringValue(sonePrefix + "/Profile/MiddleName").setValue(profile.getMiddleName());
+ configuration.getStringValue(sonePrefix + "/Profile/LastName").setValue(profile.getLastName());
+ int postId = 0;
+ for (Post post : sone.getPosts()) {
+ String postPrefix = sonePrefix + "/Post." + postId++;
+ configuration.getStringValue(postPrefix + "/ID").setValue(post.getId());
+ configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime());
+ configuration.getStringValue(postPrefix + "/Text").setValue(post.getText());
+ }
+ /* write null ID as terminator. */
+ configuration.getStringValue(sonePrefix + "/Post." + postId + "/ID").setValue(null);
+
+ int replyId = 0;
+ for (Reply reply : sone.getReplies()) {
+ String replyPrefix = sonePrefix + "/Reply." + replyId++;
+ configuration.getStringValue(replyPrefix + "/ID").setValue(reply.getId());
+ configuration.getStringValue(replyPrefix + "/Post").setValue(reply.getPost().getId());
+ configuration.getLongValue(replyPrefix + "/Time").setValue(reply.getTime());
+ configuration.getStringValue(replyPrefix + "/Text").setValue(reply.getText());
+ }
+ /* write null ID as terminator. */
+ configuration.getStringValue(sonePrefix + "/Reply." + replyId + "/ID").setValue(null);
+
+ int friendId = 0;
+ for (Sone friend : sone.getFriends()) {
+ String friendPrefix = sonePrefix + "/Friend." + friendId++;
+ configuration.getStringValue(friendPrefix + "/ID").setValue(friend.getId());
+ configuration.getStringValue(friendPrefix + "/Key").setValue(friend.getRequestUri().toString());
+ configuration.getStringValue(friendPrefix + "/Name").setValue(friend.getName());
+ }
+ /* write null ID as terminator. */
+ configuration.getStringValue(sonePrefix + "/Friend." + friendId + "/ID").setValue(null);
+
+ }
+ /* write null ID as terminator. */
+ configuration.getStringValue("Sone/Sone." + soneId + "/ID").setValue(null);
+
+ } catch (ConfigurationException ce1) {
+ logger.log(Level.WARNING, "Could not store configuration!", ce1);
+ }
+ }
+
}
projects / Sone.git / blobdiff