--- /dev/null
+package net.pterodactylus.sone.core;
+
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import net.pterodactylus.sone.data.Album;
+import net.pterodactylus.sone.data.Client;
+import net.pterodactylus.sone.data.Image;
+import net.pterodactylus.sone.data.Post;
+import net.pterodactylus.sone.data.PostReply;
+import net.pterodactylus.sone.data.Profile;
+import net.pterodactylus.sone.data.Sone;
+import net.pterodactylus.sone.database.PostBuilder;
+import net.pterodactylus.sone.database.PostReplyBuilder;
+import net.pterodactylus.sone.database.SoneBuilder;
+import net.pterodactylus.util.logging.Logging;
+import net.pterodactylus.util.number.Numbers;
+import net.pterodactylus.util.xml.SimpleXML;
+import net.pterodactylus.util.xml.XML;
+
+import org.w3c.dom.Document;
+
+/**
+ * Parses a {@link Sone} from an XML {@link InputStream}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class SoneParser {
+
+ private static final Logger logger = Logging.getLogger(SoneParser.class);
+ private static final int MAX_PROTOCOL_VERSION = 0;
+ private final Core core;
+
+ public SoneParser(Core core) {
+ this.core = core;
+ }
+
+ public Sone parseSone(Sone originalSone, InputStream soneInputStream) throws SoneException {
+ /* TODO - impose a size limit? */
+
+ Document document;
+ /* XML parsing is not thread-safe. */
+ synchronized (this) {
+ document = XML.transformToDocument(soneInputStream);
+ }
+ if (document == null) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Could not parse XML for Sone %s!", originalSone));
+ return null;
+ }
+
+ SoneBuilder soneBuilder = core.soneBuilder().from(originalSone.getIdentity());
+ if (originalSone.isLocal()) {
+ soneBuilder = soneBuilder.local();
+ }
+ Sone sone = soneBuilder.build();
+
+ SimpleXML soneXml;
+ try {
+ soneXml = SimpleXML.fromDocument(document);
+ } catch (NullPointerException npe1) {
+ /* for some reason, invalid XML can cause NPEs. */
+ logger.log(Level.WARNING, String.format("XML for Sone %s can not be parsed!", sone), npe1);
+ return null;
+ }
+
+ Integer protocolVersion = null;
+ String soneProtocolVersion = soneXml.getValue("protocol-version", null);
+ if (soneProtocolVersion != null) {
+ protocolVersion = Numbers.safeParseInteger(soneProtocolVersion);
+ }
+ if (protocolVersion == null) {
+ logger.log(Level.INFO, "No protocol version found, assuming 0.");
+ protocolVersion = 0;
+ }
+
+ if (protocolVersion < 0) {
+ logger.log(Level.WARNING, String.format("Invalid protocol version: %d! Not parsing Sone.", protocolVersion));
+ return null;
+ }
+
+ /* check for valid versions. */
+ if (protocolVersion > MAX_PROTOCOL_VERSION) {
+ logger.log(Level.WARNING, String.format("Unknown protocol version: %d! Not parsing Sone.", protocolVersion));
+ return null;
+ }
+
+ String soneTime = soneXml.getValue("time", null);
+ if (soneTime == null) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded time for Sone %s was null!", sone));
+ return null;
+ }
+ try {
+ sone.setTime(Long.parseLong(soneTime));
+ } catch (NumberFormatException nfe1) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s with invalid time: %s", sone, soneTime));
+ return null;
+ }
+
+ SimpleXML clientXml = soneXml.getNode("client");
+ if (clientXml != null) {
+ String clientName = clientXml.getValue("name", null);
+ String clientVersion = clientXml.getValue("version", null);
+ if ((clientName == null) || (clientVersion == null)) {
+ logger.log(Level.WARNING, String.format("Download Sone %s with client XML but missing name or version!", sone));
+ return null;
+ }
+ sone.setClient(new Client(clientName, clientVersion));
+ }
+
+ SimpleXML profileXml = soneXml.getNode("profile");
+ if (profileXml == null) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s has no profile!", sone));
+ return null;
+ }
+
+ /* parse profile. */
+ String profileFirstName = profileXml.getValue("first-name", null);
+ String profileMiddleName = profileXml.getValue("middle-name", null);
+ String profileLastName = profileXml.getValue("last-name", null);
+ Integer profileBirthDay = Numbers.safeParseInteger(profileXml.getValue("birth-day", null));
+ Integer profileBirthMonth = Numbers.safeParseInteger(profileXml.getValue("birth-month", null));
+ Integer profileBirthYear = Numbers.safeParseInteger(profileXml.getValue("birth-year", null));
+ Profile profile = new Profile(sone).setFirstName(profileFirstName).setMiddleName(profileMiddleName).setLastName(profileLastName);
+ profile.setBirthDay(profileBirthDay).setBirthMonth(profileBirthMonth).setBirthYear(profileBirthYear);
+ /* avatar is processed after images are loaded. */
+ String avatarId = profileXml.getValue("avatar", null);
+
+ /* parse profile fields. */
+ SimpleXML profileFieldsXml = profileXml.getNode("fields");
+ if (profileFieldsXml != null) {
+ for (SimpleXML fieldXml : profileFieldsXml.getNodes("field")) {
+ String fieldName = fieldXml.getValue("field-name", null);
+ String fieldValue = fieldXml.getValue("field-value", "");
+ if (fieldName == null) {
+ logger.log(Level.WARNING, String.format("Downloaded profile field for Sone %s with missing data! Name: %s, Value: %s", sone, fieldName, fieldValue));
+ return null;
+ }
+ try {
+ profile.addField(fieldName.trim()).setValue(fieldValue);
+ } catch (IllegalArgumentException iae1) {
+ logger.log(Level.WARNING, String.format("Duplicate field: %s", fieldName), iae1);
+ return null;
+ }
+ }
+ }
+
+ /* parse posts. */
+ SimpleXML postsXml = soneXml.getNode("posts");
+ Set<Post> posts = new HashSet<Post>();
+ if (postsXml == null) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s has no posts!", sone));
+ } else {
+ for (SimpleXML postXml : postsXml.getNodes("post")) {
+ String postId = postXml.getValue("id", null);
+ String postRecipientId = postXml.getValue("recipient", null);
+ String postTime = postXml.getValue("time", null);
+ String postText = postXml.getValue("text", null);
+ if ((postId == null) || (postTime == null) || (postText == null)) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded post for Sone %s with missing data! ID: %s, Time: %s, Text: %s", sone, postId, postTime, postText));
+ return null;
+ }
+ try {
+ PostBuilder postBuilder = core.postBuilder();
+ /* TODO - parse time correctly. */
+ postBuilder.withId(postId).from(sone.getId()).withTime(Long.parseLong(postTime)).withText(postText);
+ if ((postRecipientId != null) && (postRecipientId.length() == 43)) {
+ postBuilder.to(postRecipientId);
+ }
+ posts.add(postBuilder.build());
+ } catch (NumberFormatException nfe1) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded post for Sone %s with invalid time: %s", sone, postTime));
+ return null;
+ }
+ }
+ }
+
+ /* parse replies. */
+ SimpleXML repliesXml = soneXml.getNode("replies");
+ Set<PostReply> replies = new HashSet<PostReply>();
+ if (repliesXml == null) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s has no replies!", sone));
+ } else {
+ for (SimpleXML replyXml : repliesXml.getNodes("reply")) {
+ String replyId = replyXml.getValue("id", null);
+ String replyPostId = replyXml.getValue("post-id", null);
+ String replyTime = replyXml.getValue("time", null);
+ String replyText = replyXml.getValue("text", null);
+ if ((replyId == null) || (replyPostId == null) || (replyTime == null) || (replyText == null)) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded reply for Sone %s with missing data! ID: %s, Post: %s, Time: %s, Text: %s", sone, replyId, replyPostId, replyTime, replyText));
+ return null;
+ }
+ try {
+ PostReplyBuilder postReplyBuilder = core.postReplyBuilder();
+ /* TODO - parse time correctly. */
+ postReplyBuilder.withId(replyId).from(sone.getId()).to(replyPostId).withTime(Long.parseLong(replyTime)).withText(replyText);
+ replies.add(postReplyBuilder.build());
+ } catch (NumberFormatException nfe1) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded reply for Sone %s with invalid time: %s", sone, replyTime));
+ return null;
+ }
+ }
+ }
+
+ /* parse liked post IDs. */
+ SimpleXML likePostIdsXml = soneXml.getNode("post-likes");
+ Set<String> likedPostIds = new HashSet<String>();
+ if (likePostIdsXml == null) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s has no post likes!", sone));
+ } else {
+ for (SimpleXML likedPostIdXml : likePostIdsXml.getNodes("post-like")) {
+ String postId = likedPostIdXml.getValue();
+ likedPostIds.add(postId);
+ }
+ }
+
+ /* parse liked reply IDs. */
+ SimpleXML likeReplyIdsXml = soneXml.getNode("reply-likes");
+ Set<String> likedReplyIds = new HashSet<String>();
+ if (likeReplyIdsXml == null) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s has no reply likes!", sone));
+ } else {
+ for (SimpleXML likedReplyIdXml : likeReplyIdsXml.getNodes("reply-like")) {
+ String replyId = likedReplyIdXml.getValue();
+ likedReplyIds.add(replyId);
+ }
+ }
+
+ /* parse albums. */
+ SimpleXML albumsXml = soneXml.getNode("albums");
+ Map<String, Image> allImages = new HashMap<String, Image>();
+ List<Album> topLevelAlbums = new ArrayList<Album>();
+ if (albumsXml != null) {
+ for (SimpleXML albumXml : albumsXml.getNodes("album")) {
+ String id = albumXml.getValue("id", null);
+ String parentId = albumXml.getValue("parent", null);
+ String title = albumXml.getValue("title", null);
+ String description = albumXml.getValue("description", "");
+ String albumImageId = albumXml.getValue("album-image", null);
+ if ((id == null) || (title == null)) {
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid album!", sone));
+ return null;
+ }
+ Album parent = null;
+ if (parentId != null) {
+ parent = core.getAlbum(parentId);
+ if (parent == null) {
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s has album with invalid parent!", sone));
+ return null;
+ }
+ }
+ Album album = core.albumBuilder()
+ .withId(id)
+ .by(sone)
+ .build()
+ .modify()
+ .setTitle(title)
+ .setDescription(description)
+ .update();
+ if (parent != null) {
+ parent.addAlbum(album);
+ } else {
+ topLevelAlbums.add(album);
+ }
+ SimpleXML imagesXml = albumXml.getNode("images");
+ if (imagesXml != null) {
+ for (SimpleXML imageXml : imagesXml.getNodes("image")) {
+ String imageId = imageXml.getValue("id", null);
+ String imageCreationTimeString = imageXml.getValue("creation-time", null);
+ String imageKey = imageXml.getValue("key", null);
+ String imageTitle = imageXml.getValue("title", null);
+ String imageDescription = imageXml.getValue("description", "");
+ String imageWidthString = imageXml.getValue("width", null);
+ String imageHeightString = imageXml.getValue("height", null);
+ if ((imageId == null) || (imageCreationTimeString == null) || (imageKey == null) || (imageTitle == null) || (imageWidthString == null) || (imageHeightString == null)) {
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid images!", sone));
+ return null;
+ }
+ long creationTime = Numbers.safeParseLong(imageCreationTimeString, 0L);
+ int imageWidth = Numbers.safeParseInteger(imageWidthString, 0);
+ int imageHeight = Numbers.safeParseInteger(imageHeightString, 0);
+ if ((imageWidth < 1) || (imageHeight < 1)) {
+ logger.log(Level.WARNING, String.format("Downloaded Sone %s contains image %s with invalid dimensions (%s, %s)!", sone, imageId, imageWidthString, imageHeightString));
+ return null;
+ }
+ Image image = core.imageBuilder().withId(imageId).build().modify().setSone(sone).setKey(imageKey).setCreationTime(creationTime).update();
+ image = image.modify().setTitle(imageTitle).setDescription(imageDescription).update();
+ image = image.modify().setWidth(imageWidth).setHeight(imageHeight).update();
+ album.addImage(image);
+ allImages.put(imageId, image);
+ }
+ }
+ album.modify().setAlbumImage(albumImageId).update();
+ }
+ }
+
+ /* process avatar. */
+ if (avatarId != null) {
+ profile.setAvatar(allImages.get(avatarId));
+ }
+
+ /* okay, apparently everything was parsed correctly. Now import. */
+ /* atomic setter operation on the Sone. */
+ synchronized (sone) {
+ sone.setProfile(profile);
+ sone.setPosts(posts);
+ sone.setReplies(replies);
+ sone.setLikePostIds(likedPostIds);
+ sone.setLikeReplyIds(likedReplyIds);
+ for (Album album : topLevelAlbums) {
+ sone.getRootAlbum().addAlbum(album);
+ }
+ }
+
+ return sone;
+
+ }
+
+}
projects / Sone.git / blobdiff