package net.pterodactylus.sone.data.impl;
+import static com.google.common.base.Preconditions.checkNotNull;
+
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.logging.Level;
+import java.util.logging.Logger;
+import net.pterodactylus.sone.core.Options;
+import net.pterodactylus.sone.data.Album;
+import net.pterodactylus.sone.data.Client;
import net.pterodactylus.sone.data.Post;
import net.pterodactylus.sone.data.PostReply;
+import net.pterodactylus.sone.data.Profile;
+import net.pterodactylus.sone.data.Reply;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.sone.database.AlbumBuilder;
+import net.pterodactylus.sone.database.Database;
+import net.pterodactylus.sone.database.PostBuilder;
+import net.pterodactylus.sone.freenet.wot.Identity;
+import net.pterodactylus.util.logging.Logging;
+
+import freenet.keys.FreenetURI;
+
+import com.google.common.hash.Hasher;
+import com.google.common.hash.Hashing;
/**
* Dumb, store-everything-in-memory {@link Sone} implementation.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public class DefaultSone extends AbstractSone {
+public class DefaultSone implements Sone {
+
+ /** The logger. */
+ private static final Logger logger = Logging.getLogger(DefaultSone.class);
+
+ /** The database. */
+ private final Database database;
+
+ /** The ID of this Sone. */
+ private final String id;
+
+ /** Whether the Sone is local. */
+ private final boolean local;
+
+ /** The identity of this Sone. */
+ private Identity identity;
+
+ /** The URI under which the Sone is stored in Freenet. */
+ private volatile FreenetURI requestUri;
+
+ /** The URI used to insert a new version of this Sone. */
+ /* This will be null for remote Sones! */
+ private volatile FreenetURI insertUri;
+
+ /** The latest edition of the Sone. */
+ private volatile long latestEdition;
+
+ /** The time of the last inserted update. */
+ private volatile long time;
+
+ /** The status of this Sone. */
+ private volatile SoneStatus status = SoneStatus.unknown;
+
+ /** The profile of this Sone. */
+ private volatile Profile profile = new Profile(this);
+
+ /** The client used by the Sone. */
+ private volatile Client client;
+
+ /** Whether this Sone is known. */
+ private volatile boolean known;
+
+ /** All friend Sones. */
+ private final Set<String> friendSones = new CopyOnWriteArraySet<String>();
/** All posts. */
private final Set<Post> posts = new CopyOnWriteArraySet<Post>();
/** The IDs of all liked replies. */
private final Set<String> likedReplyIds = new CopyOnWriteArraySet<String>();
+ /** The root album containing all albums. */
+ private final Album rootAlbum;
+
+ /** Sone-specific options. */
+ private Options options = new Options();
+
/**
* Creates a new Sone.
*
* @param local
* {@code true} if the Sone is a local Sone, {@code false} otherwise
*/
- public DefaultSone(String id, boolean local) {
- super(id, local);
+ public DefaultSone(Database database, String id, boolean local) {
+ this.database = database;
+ this.id = id;
+ this.local = local;
+ rootAlbum = new DefaultAlbumBuilder(database, this, null).randomId().build();
}
//
//
/**
+ * Returns the identity of this Sone.
+ *
+ * @return The identity of this Sone
+ */
+ public String getId() {
+ return id;
+ }
+
+ /**
+ * Returns the identity of this Sone.
+ *
+ * @return The identity of this Sone
+ */
+ public Identity getIdentity() {
+ return identity;
+ }
+
+ /**
+ * Sets the identity of this Sone. The {@link Identity#getId() ID} of the
+ * identity has to match this Sone’s {@link #getId()}.
+ *
+ * @param identity
+ * The identity of this Sone
+ * @return This Sone (for method chaining)
+ * @throws IllegalArgumentException
+ * if the ID of the identity does not match this Sone’s ID
+ */
+ public DefaultSone setIdentity(Identity identity) throws IllegalArgumentException {
+ if (!identity.getId().equals(id)) {
+ throw new IllegalArgumentException("Identity’s ID does not match Sone’s ID!");
+ }
+ this.identity = identity;
+ return this;
+ }
+
+ /**
+ * Returns the name of this Sone.
+ *
+ * @return The name of this Sone
+ */
+ public String getName() {
+ return (identity != null) ? identity.getNickname() : null;
+ }
+
+ /**
+ * Returns whether this Sone is a local Sone.
+ *
+ * @return {@code true} if this Sone is a local Sone, {@code false} otherwise
+ */
+ public boolean isLocal() {
+ return local;
+ }
+
+ /**
+ * Returns the request URI of this Sone.
+ *
+ * @return The request URI of this Sone
+ */
+ public FreenetURI getRequestUri() {
+ return (requestUri != null) ? requestUri.setSuggestedEdition(latestEdition) : null;
+ }
+
+ /**
+ * Sets the request URI of this Sone.
+ *
+ * @param requestUri
+ * The request URI of this Sone
+ * @return This Sone (for method chaining)
+ */
+ public Sone setRequestUri(FreenetURI requestUri) {
+ if (this.requestUri == null) {
+ this.requestUri = requestUri.setKeyType("USK").setDocName("Sone").setMetaString(new String[0]);
+ return this;
+ }
+ if (!this.requestUri.equalsKeypair(requestUri)) {
+ logger.log(Level.WARNING, String.format("Request URI %s tried to overwrite %s!", requestUri, this.requestUri));
+ return this;
+ }
+ return this;
+ }
+
+ /**
+ * Returns the insert URI of this Sone.
+ *
+ * @return The insert URI of this Sone
+ */
+ public FreenetURI getInsertUri() {
+ return (insertUri != null) ? insertUri.setSuggestedEdition(latestEdition) : null;
+ }
+
+ /**
+ * Sets the insert URI of this Sone.
+ *
+ * @param insertUri
+ * The insert URI of this Sone
+ * @return This Sone (for method chaining)
+ */
+ public Sone setInsertUri(FreenetURI insertUri) {
+ if (this.insertUri == null) {
+ this.insertUri = insertUri.setKeyType("USK").setDocName("Sone").setMetaString(new String[0]);
+ return this;
+ }
+ if (!this.insertUri.equalsKeypair(insertUri)) {
+ logger.log(Level.WARNING, String.format("Request URI %s tried to overwrite %s!", insertUri, this.insertUri));
+ return this;
+ }
+ return this;
+ }
+
+ /**
+ * Returns the latest edition of this Sone.
+ *
+ * @return The latest edition of this Sone
+ */
+ public long getLatestEdition() {
+ return latestEdition;
+ }
+
+ /**
+ * Sets the latest edition of this Sone. If the given latest edition is not
+ * greater than the current latest edition, the latest edition of this Sone is
+ * not changed.
+ *
+ * @param latestEdition
+ * The latest edition of this Sone
+ */
+ public void setLatestEdition(long latestEdition) {
+ if (!(latestEdition > this.latestEdition)) {
+ logger.log(Level.FINE, String.format("New latest edition %d is not greater than current latest edition %d!", latestEdition, this.latestEdition));
+ return;
+ }
+ this.latestEdition = latestEdition;
+ }
+
+ /**
+ * Return the time of the last inserted update of this Sone.
+ *
+ * @return The time of the update (in milliseconds since Jan 1, 1970 UTC)
+ */
+ public long getTime() {
+ return time;
+ }
+
+ /**
+ * Sets the time of the last inserted update of this Sone.
+ *
+ * @param time
+ * The time of the update (in milliseconds since Jan 1, 1970 UTC)
+ * @return This Sone (for method chaining)
+ */
+ public Sone setTime(long time) {
+ this.time = time;
+ return this;
+ }
+
+ /**
+ * Returns the status of this Sone.
+ *
+ * @return The status of this Sone
+ */
+ public SoneStatus getStatus() {
+ return status;
+ }
+
+ /**
+ * Sets the new status of this Sone.
+ *
+ * @param status
+ * The new status of this Sone
+ * @return This Sone
+ * @throws IllegalArgumentException
+ * if {@code status} is {@code null}
+ */
+ public Sone setStatus(SoneStatus status) {
+ this.status = checkNotNull(status, "status must not be null");
+ return this;
+ }
+
+ /**
+ * Returns a copy of the profile. If you want to update values in the profile
+ * of this Sone, update the values in the returned {@link Profile} and use
+ * {@link #setProfile(Profile)} to change the profile in this Sone.
+ *
+ * @return A copy of the profile
+ */
+ public Profile getProfile() {
+ return new Profile(profile);
+ }
+
+ /**
+ * Sets the profile of this Sone. A copy of the given profile is stored so that
+ * subsequent modifications of the given profile are not reflected in this
+ * Sone!
+ *
+ * @param profile
+ * The profile to set
+ */
+ public void setProfile(Profile profile) {
+ this.profile = new Profile(profile);
+ }
+
+ /**
+ * Returns the client used by this Sone.
+ *
+ * @return The client used by this Sone, or {@code null}
+ */
+ public Client getClient() {
+ return client;
+ }
+
+ /**
+ * Sets the client used by this Sone.
+ *
+ * @param client
+ * The client used by this Sone, or {@code null}
+ * @return This Sone (for method chaining)
+ */
+ public Sone setClient(Client client) {
+ this.client = client;
+ return this;
+ }
+
+ /**
* Returns whether this Sone is known.
*
* @return {@code true} if this Sone is known, {@code false} otherwise
return this;
}
+ /**
+ * Checks whether the given post ID is liked by this Sone.
+ *
+ * @param postId
+ * The ID of the post
+ * @return {@code true} if this Sone likes the given post, {@code false}
+ * otherwise
+ */
public boolean isLikedPostId(String postId) {
return likedPostIds.contains(postId);
}
+ /**
+ * Adds the given post ID to the list of posts this Sone likes.
+ *
+ * @param postId
+ * The ID of the post
+ * @return This Sone (for method chaining)
+ */
public Sone addLikedPostId(String postId) {
likedPostIds.add(postId);
return this;
}
+ /**
+ * Removes the given post ID from the list of posts this Sone likes.
+ *
+ * @param postId
+ * The ID of the post
+ * @return This Sone (for method chaining)
+ */
public Sone removeLikedPostId(String postId) {
likedPostIds.remove(postId);
return this;
}
+ /**
+ * Returns the IDs of all liked replies.
+ *
+ * @return All liked replies’ IDs
+ */
public Set<String> getLikedReplyIds() {
return Collections.unmodifiableSet(likedReplyIds);
}
+ /**
+ * Sets the IDs of all liked replies.
+ *
+ * @param likedReplyIds
+ * All liked replies’ IDs
+ * @return This Sone (for method chaining)
+ */
public Sone setLikeReplyIds(Set<String> likedReplyIds) {
this.likedReplyIds.clear();
this.likedReplyIds.addAll(likedReplyIds);
return this;
}
+ /**
+ * Checks whether the given reply ID is liked by this Sone.
+ *
+ * @param replyId
+ * The ID of the reply
+ * @return {@code true} if this Sone likes the given reply, {@code false}
+ * otherwise
+ */
public boolean isLikedReplyId(String replyId) {
return likedReplyIds.contains(replyId);
}
+ /**
+ * Adds the given reply ID to the list of replies this Sone likes.
+ *
+ * @param replyId
+ * The ID of the reply
+ * @return This Sone (for method chaining)
+ */
public Sone addLikedReplyId(String replyId) {
likedReplyIds.add(replyId);
return this;
}
+ /**
+ * Removes the given post ID from the list of replies this Sone likes.
+ *
+ * @param replyId
+ * The ID of the reply
+ * @return This Sone (for method chaining)
+ */
public Sone removeLikedReplyId(String replyId) {
likedReplyIds.remove(replyId);
return this;
}
+ /**
+ * Returns the root album that contains all visible albums of this Sone.
+ *
+ * @return The root album of this Sone
+ */
+ public Album getRootAlbum() {
+ return rootAlbum;
+ }
+
+ /**
+ * Returns Sone-specific options.
+ *
+ * @return The options of this Sone
+ */
+ public Options getOptions() {
+ return options;
+ }
+
+ /**
+ * Sets the options of this Sone.
+ *
+ * @param options
+ * The options of this Sone
+ */
+ /* TODO - remove this method again, maybe add an option provider */
+ public void setOptions(Options options) {
+ this.options = options;
+ }
+
@Override
public AlbumBuilder newAlbumBuilder() {
- return new DefaultAlbumBuilder(this, rootAlbum);
+ return new DefaultAlbumBuilder(database, this, rootAlbum.getId());
+ }
+
+ public PostBuilder newPostBuilder() {
+ return new DefaultPostBuilder(database, getId());
+ }
+
+ //
+ // FINGERPRINTABLE METHODS
+ //
+
+ /** {@inheritDoc} */
+ @Override
+ public synchronized String getFingerprint() {
+ Hasher hash = Hashing.sha256().newHasher();
+ hash.putString(profile.getFingerprint());
+
+ hash.putString("Posts(");
+ for (Post post : getPosts()) {
+ hash.putString("Post(").putString(post.getId()).putString(")");
+ }
+ hash.putString(")");
+
+ List<PostReply> replies = new ArrayList<PostReply>(getReplies());
+ Collections.sort(replies, Reply.TIME_COMPARATOR);
+ hash.putString("Replies(");
+ for (PostReply reply : replies) {
+ hash.putString("Reply(").putString(reply.getId()).putString(")");
+ }
+ hash.putString(")");
+
+ List<String> likedPostIds = new ArrayList<String>(getLikedPostIds());
+ Collections.sort(likedPostIds);
+ hash.putString("LikedPosts(");
+ for (String likedPostId : likedPostIds) {
+ hash.putString("Post(").putString(likedPostId).putString(")");
+ }
+ hash.putString(")");
+
+ List<String> likedReplyIds = new ArrayList<String>(getLikedReplyIds());
+ Collections.sort(likedReplyIds);
+ hash.putString("LikedReplies(");
+ for (String likedReplyId : likedReplyIds) {
+ hash.putString("Reply(").putString(likedReplyId).putString(")");
+ }
+ hash.putString(")");
+
+ hash.putString("Albums(");
+ for (Album album : rootAlbum.getAlbums()) {
+ if (!Album.NOT_EMPTY.apply(album)) {
+ continue;
+ }
+ hash.putString(album.getFingerprint());
+ }
+ hash.putString(")");
+
+ return hash.hash().toString();
+ }
+
+ //
+ // INTERFACE Comparable<Sone>
+ //
+
+ /** {@inheritDoc} */
+ @Override
+ public int compareTo(Sone sone) {
+ return NICE_NAME_COMPARATOR.compare(this, sone);
+ }
+
+ //
+ // OBJECT METHODS
+ //
+
+ /** {@inheritDoc} */
+ @Override
+ public int hashCode() {
+ return id.hashCode();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public boolean equals(Object object) {
+ if (!(object instanceof Sone)) {
+ return false;
+ }
+ return ((Sone) object).getId().equals(id);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public String toString() {
+ return getClass().getName() + "[identity=" + identity + ",requestUri=" + requestUri + ",insertUri(" + String.valueOf(insertUri).length() + "),friends(" + friendSones.size() + "),posts(" + posts.size() + "),replies(" + replies.size() + "),albums(" + getRootAlbum().getAlbums().size() + ")]";
}
}