X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FSoneImpl.java;fp=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FSoneImpl.java;h=880eb954046a4a78cac78f602ae461d5f92c3692;hp=0000000000000000000000000000000000000000;hb=f4f5fb752ff9aff0235a907e170c6961576562f6;hpb=7017646bf42cb265b6df539bb6def40b91d2f968 diff --git a/src/main/java/net/pterodactylus/sone/data/SoneImpl.java b/src/main/java/net/pterodactylus/sone/data/SoneImpl.java new file mode 100644 index 0000000..880eb95 --- /dev/null +++ b/src/main/java/net/pterodactylus/sone/data/SoneImpl.java @@ -0,0 +1,749 @@ +/* + * Sone - SoneImpl.java - Copyright © 2010–2013 David Roden + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +package net.pterodactylus.sone.data; + +import static com.google.common.base.Preconditions.checkNotNull; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.List; +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.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; + +/** + * {@link Sone} implementation. + *

+ * Operations that modify the Sone need to synchronize on the Sone in question. + * + * @author David ‘Bombe’ Roden + */ +public class SoneImpl implements Sone { + + /** The logger. */ + private static final Logger logger = Logging.getLogger(SoneImpl.class); + + /** 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 friendSones = new CopyOnWriteArraySet(); + + /** All posts. */ + private final Set posts = new CopyOnWriteArraySet(); + + /** All replies. */ + private final Set replies = new CopyOnWriteArraySet(); + + /** The IDs of all liked posts. */ + private final Set likedPostIds = new CopyOnWriteArraySet(); + + /** The IDs of all liked replies. */ + private final Set likedReplyIds = new CopyOnWriteArraySet(); + + /** The root album containing all albums. */ + private final Album rootAlbum = new AlbumImpl().setSone(this); + + /** Sone-specific options. */ + private Options options = new Options(); + + /** + * Creates a new Sone. + * + * @param id + * The ID of the Sone + * @param local + * {@code true} if the Sone is a local Sone, {@code false} otherwise + */ + public SoneImpl(String id, boolean local) { + this.id = id; + this.local = local; + } + + // + // ACCESSORS + // + + /** + * 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 SoneImpl 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 + */ + public boolean isKnown() { + return known; + } + + /** + * Sets whether this Sone is known. + * + * @param known + * {@code true} if this Sone is known, {@code false} otherwise + * @return This Sone + */ + public Sone setKnown(boolean known) { + this.known = known; + return this; + } + + /** + * Returns all friend Sones of this Sone. + * + * @return The friend Sones of this Sone + */ + public List getFriends() { + List friends = new ArrayList(friendSones); + return friends; + } + + /** + * Returns whether this Sone has the given Sone as a friend Sone. + * + * @param friendSoneId + * The ID of the Sone to check for + * @return {@code true} if this Sone has the given Sone as a friend, {@code + * false} otherwise + */ + public boolean hasFriend(String friendSoneId) { + return friendSones.contains(friendSoneId); + } + + /** + * Adds the given Sone as a friend Sone. + * + * @param friendSone + * The friend Sone to add + * @return This Sone (for method chaining) + */ + public Sone addFriend(String friendSone) { + if (!friendSone.equals(id)) { + friendSones.add(friendSone); + } + return this; + } + + /** + * Removes the given Sone as a friend Sone. + * + * @param friendSoneId + * The ID of the friend Sone to remove + * @return This Sone (for method chaining) + */ + public Sone removeFriend(String friendSoneId) { + friendSones.remove(friendSoneId); + return this; + } + + /** + * Returns the list of posts of this Sone, sorted by time, newest first. + * + * @return All posts of this Sone + */ + public List getPosts() { + List sortedPosts; + synchronized (this) { + sortedPosts = new ArrayList(posts); + } + Collections.sort(sortedPosts, Post.TIME_COMPARATOR); + return sortedPosts; + } + + /** + * Sets all posts of this Sone at once. + * + * @param posts + * The new (and only) posts of this Sone + * @return This Sone (for method chaining) + */ + public Sone setPosts(Collection posts) { + synchronized (this) { + this.posts.clear(); + this.posts.addAll(posts); + } + return this; + } + + /** + * Adds the given post to this Sone. The post will not be added if its {@link + * Post#getSone() Sone} is not this Sone. + * + * @param post + * The post to add + */ + public void addPost(Post post) { + if (post.getSone().equals(this) && posts.add(post)) { + logger.log(Level.FINEST, String.format("Adding %s to “%s”.", post, getName())); + } + } + + /** + * Removes the given post from this Sone. + * + * @param post + * The post to remove + */ + public void removePost(Post post) { + if (post.getSone().equals(this)) { + posts.remove(post); + } + } + + /** + * Returns all replies this Sone made. + * + * @return All replies this Sone made + */ + public Set getReplies() { + return Collections.unmodifiableSet(replies); + } + + /** + * Sets all replies of this Sone at once. + * + * @param replies + * The new (and only) replies of this Sone + * @return This Sone (for method chaining) + */ + public Sone setReplies(Collection replies) { + this.replies.clear(); + this.replies.addAll(replies); + return this; + } + + /** + * Adds a reply to this Sone. If the given reply was not made by this Sone, + * nothing is added to this Sone. + * + * @param reply + * The reply to add + */ + public void addReply(PostReply reply) { + if (reply.getSone().equals(this)) { + replies.add(reply); + } + } + + /** + * Removes a reply from this Sone. + * + * @param reply + * The reply to remove + */ + public void removeReply(PostReply reply) { + if (reply.getSone().equals(this)) { + replies.remove(reply); + } + } + + /** + * Returns the IDs of all liked posts. + * + * @return All liked posts’ IDs + */ + public Set getLikedPostIds() { + return Collections.unmodifiableSet(likedPostIds); + } + + /** + * Sets the IDs of all liked posts. + * + * @param likedPostIds + * All liked posts’ IDs + * @return This Sone (for method chaining) + */ + public Sone setLikePostIds(Set likedPostIds) { + this.likedPostIds.clear(); + this.likedPostIds.addAll(likedPostIds); + 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 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 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; + } + + // + // 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 replies = new ArrayList(getReplies()); + Collections.sort(replies, Reply.TIME_COMPARATOR); + hash.putString("Replies("); + for (PostReply reply : replies) { + hash.putString("Reply(").putString(reply.getId()).putString(")"); + } + hash.putString(")"); + + List likedPostIds = new ArrayList(getLikedPostIds()); + Collections.sort(likedPostIds); + hash.putString("LikedPosts("); + for (String likedPostId : likedPostIds) { + hash.putString("Post(").putString(likedPostId).putString(")"); + } + hash.putString(")"); + + List likedReplyIds = new ArrayList(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 + // + + /** {@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() + ")]"; + } + +}