1 package net.pterodactylus.sone.core;
3 import static java.util.logging.Logger.getLogger;
4 import static net.pterodactylus.sone.utils.NumberParsers.parseInt;
5 import static net.pterodactylus.sone.utils.NumberParsers.parseLong;
7 import java.io.InputStream;
8 import java.util.ArrayList;
9 import java.util.HashMap;
10 import java.util.HashSet;
11 import java.util.List;
14 import java.util.logging.Level;
15 import java.util.logging.Logger;
17 import net.pterodactylus.sone.data.Album;
18 import net.pterodactylus.sone.data.Client;
19 import net.pterodactylus.sone.data.Image;
20 import net.pterodactylus.sone.data.Post;
21 import net.pterodactylus.sone.data.PostReply;
22 import net.pterodactylus.sone.data.Profile;
23 import net.pterodactylus.sone.data.Sone;
24 import net.pterodactylus.sone.database.PostBuilder;
25 import net.pterodactylus.sone.database.PostReplyBuilder;
26 import net.pterodactylus.sone.database.SoneBuilder;
27 import net.pterodactylus.util.xml.SimpleXML;
28 import net.pterodactylus.util.xml.XML;
30 import org.w3c.dom.Document;
33 * Parses a {@link Sone} from an XML {@link InputStream}.
35 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
37 public class SoneParser {
39 private static final Logger logger = getLogger("Sone.Parser");
40 private static final int MAX_PROTOCOL_VERSION = 0;
41 private final Core core;
43 public SoneParser(Core core) {
47 public Sone parseSone(Sone originalSone, InputStream soneInputStream) throws SoneException {
48 /* TODO - impose a size limit? */
51 /* XML parsing is not thread-safe. */
53 document = XML.transformToDocument(soneInputStream);
55 if (document == null) {
56 /* TODO - mark Sone as bad. */
57 logger.log(Level.WARNING, String.format("Could not parse XML for Sone %s!", originalSone));
61 SoneBuilder soneBuilder = core.soneBuilder().from(originalSone.getIdentity());
62 if (originalSone.isLocal()) {
63 soneBuilder = soneBuilder.local();
65 Sone sone = soneBuilder.build();
69 soneXml = SimpleXML.fromDocument(document);
70 } catch (NullPointerException npe1) {
71 /* for some reason, invalid XML can cause NPEs. */
72 logger.log(Level.WARNING, String.format("XML for Sone %s can not be parsed!", sone), npe1);
76 Integer protocolVersion = null;
77 String soneProtocolVersion = soneXml.getValue("protocol-version", null);
78 if (soneProtocolVersion != null) {
79 protocolVersion = parseInt(soneProtocolVersion, null);
81 if (protocolVersion == null) {
82 logger.log(Level.INFO, "No protocol version found, assuming 0.");
86 if (protocolVersion < 0) {
87 logger.log(Level.WARNING, String.format("Invalid protocol version: %d! Not parsing Sone.", protocolVersion));
91 /* check for valid versions. */
92 if (protocolVersion > MAX_PROTOCOL_VERSION) {
93 logger.log(Level.WARNING, String.format("Unknown protocol version: %d! Not parsing Sone.", protocolVersion));
97 String soneTime = soneXml.getValue("time", null);
98 if (soneTime == null) {
99 /* TODO - mark Sone as bad. */
100 logger.log(Level.WARNING, String.format("Downloaded time for Sone %s was null!", sone));
104 sone.setTime(Long.parseLong(soneTime));
105 } catch (NumberFormatException nfe1) {
106 /* TODO - mark Sone as bad. */
107 logger.log(Level.WARNING, String.format("Downloaded Sone %s with invalid time: %s", sone, soneTime));
111 SimpleXML clientXml = soneXml.getNode("client");
112 if (clientXml != null) {
113 String clientName = clientXml.getValue("name", null);
114 String clientVersion = clientXml.getValue("version", null);
115 if ((clientName == null) || (clientVersion == null)) {
116 logger.log(Level.WARNING, String.format("Download Sone %s with client XML but missing name or version!", sone));
119 sone.setClient(new Client(clientName, clientVersion));
122 SimpleXML profileXml = soneXml.getNode("profile");
123 if (profileXml == null) {
124 /* TODO - mark Sone as bad. */
125 logger.log(Level.WARNING, String.format("Downloaded Sone %s has no profile!", sone));
130 String profileFirstName = profileXml.getValue("first-name", null);
131 String profileMiddleName = profileXml.getValue("middle-name", null);
132 String profileLastName = profileXml.getValue("last-name", null);
133 Integer profileBirthDay = parseInt(profileXml.getValue("birth-day", ""), null);
134 Integer profileBirthMonth = parseInt(profileXml.getValue("birth-month", ""), null);
135 Integer profileBirthYear = parseInt(profileXml.getValue("birth-year", ""), null);
136 Profile profile = new Profile(sone).setFirstName(profileFirstName).setMiddleName(profileMiddleName).setLastName(profileLastName);
137 profile.setBirthDay(profileBirthDay).setBirthMonth(profileBirthMonth).setBirthYear(profileBirthYear);
138 /* avatar is processed after images are loaded. */
139 String avatarId = profileXml.getValue("avatar", null);
141 /* parse profile fields. */
142 SimpleXML profileFieldsXml = profileXml.getNode("fields");
143 if (profileFieldsXml != null) {
144 for (SimpleXML fieldXml : profileFieldsXml.getNodes("field")) {
145 String fieldName = fieldXml.getValue("field-name", null);
146 String fieldValue = fieldXml.getValue("field-value", "");
147 if (fieldName == null) {
148 logger.log(Level.WARNING, String.format("Downloaded profile field for Sone %s with missing data! Name: %s, Value: %s", sone, fieldName, fieldValue));
152 profile.addField(fieldName.trim()).setValue(fieldValue);
153 } catch (IllegalArgumentException iae1) {
154 logger.log(Level.WARNING, String.format("Duplicate field: %s", fieldName), iae1);
161 SimpleXML postsXml = soneXml.getNode("posts");
162 Set<Post> posts = new HashSet<Post>();
163 if (postsXml == null) {
164 /* TODO - mark Sone as bad. */
165 logger.log(Level.WARNING, String.format("Downloaded Sone %s has no posts!", sone));
167 for (SimpleXML postXml : postsXml.getNodes("post")) {
168 String postId = postXml.getValue("id", null);
169 String postRecipientId = postXml.getValue("recipient", null);
170 String postTime = postXml.getValue("time", null);
171 String postText = postXml.getValue("text", null);
172 if ((postId == null) || (postTime == null) || (postText == null)) {
173 /* TODO - mark Sone as bad. */
174 logger.log(Level.WARNING, String.format("Downloaded post for Sone %s with missing data! ID: %s, Time: %s, Text: %s", sone, postId, postTime, postText));
178 PostBuilder postBuilder = core.postBuilder();
179 /* TODO - parse time correctly. */
180 postBuilder.withId(postId).from(sone.getId()).withTime(Long.parseLong(postTime)).withText(postText);
181 if ((postRecipientId != null) && (postRecipientId.length() == 43)) {
182 postBuilder.to(postRecipientId);
184 posts.add(postBuilder.build());
185 } catch (NumberFormatException nfe1) {
186 /* TODO - mark Sone as bad. */
187 logger.log(Level.WARNING, String.format("Downloaded post for Sone %s with invalid time: %s", sone, postTime));
194 SimpleXML repliesXml = soneXml.getNode("replies");
195 Set<PostReply> replies = new HashSet<PostReply>();
196 if (repliesXml == null) {
197 /* TODO - mark Sone as bad. */
198 logger.log(Level.WARNING, String.format("Downloaded Sone %s has no replies!", sone));
200 for (SimpleXML replyXml : repliesXml.getNodes("reply")) {
201 String replyId = replyXml.getValue("id", null);
202 String replyPostId = replyXml.getValue("post-id", null);
203 String replyTime = replyXml.getValue("time", null);
204 String replyText = replyXml.getValue("text", null);
205 if ((replyId == null) || (replyPostId == null) || (replyTime == null) || (replyText == null)) {
206 /* TODO - mark Sone as bad. */
207 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));
211 PostReplyBuilder postReplyBuilder = core.postReplyBuilder();
212 /* TODO - parse time correctly. */
213 postReplyBuilder.withId(replyId).from(sone.getId()).to(replyPostId).withTime(Long.parseLong(replyTime)).withText(replyText);
214 replies.add(postReplyBuilder.build());
215 } catch (NumberFormatException nfe1) {
216 /* TODO - mark Sone as bad. */
217 logger.log(Level.WARNING, String.format("Downloaded reply for Sone %s with invalid time: %s", sone, replyTime));
223 /* parse liked post IDs. */
224 SimpleXML likePostIdsXml = soneXml.getNode("post-likes");
225 Set<String> likedPostIds = new HashSet<String>();
226 if (likePostIdsXml == null) {
227 /* TODO - mark Sone as bad. */
228 logger.log(Level.WARNING, String.format("Downloaded Sone %s has no post likes!", sone));
230 for (SimpleXML likedPostIdXml : likePostIdsXml.getNodes("post-like")) {
231 String postId = likedPostIdXml.getValue();
232 likedPostIds.add(postId);
236 /* parse liked reply IDs. */
237 SimpleXML likeReplyIdsXml = soneXml.getNode("reply-likes");
238 Set<String> likedReplyIds = new HashSet<String>();
239 if (likeReplyIdsXml == null) {
240 /* TODO - mark Sone as bad. */
241 logger.log(Level.WARNING, String.format("Downloaded Sone %s has no reply likes!", sone));
243 for (SimpleXML likedReplyIdXml : likeReplyIdsXml.getNodes("reply-like")) {
244 String replyId = likedReplyIdXml.getValue();
245 likedReplyIds.add(replyId);
250 SimpleXML albumsXml = soneXml.getNode("albums");
251 Map<String, Image> allImages = new HashMap<String, Image>();
252 List<Album> topLevelAlbums = new ArrayList<Album>();
253 if (albumsXml != null) {
254 for (SimpleXML albumXml : albumsXml.getNodes("album")) {
255 String id = albumXml.getValue("id", null);
256 String parentId = albumXml.getValue("parent", null);
257 String title = albumXml.getValue("title", null);
258 String description = albumXml.getValue("description", "");
259 String albumImageId = albumXml.getValue("album-image", null);
260 if ((id == null) || (title == null)) {
261 logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid album!", sone));
265 if (parentId != null) {
266 parent = core.getAlbum(parentId);
267 if (parent == null) {
268 logger.log(Level.WARNING, String.format("Downloaded Sone %s has album with invalid parent!", sone));
272 Album album = core.albumBuilder()
278 .setDescription(description)
280 if (parent != null) {
281 parent.addAlbum(album);
283 topLevelAlbums.add(album);
285 SimpleXML imagesXml = albumXml.getNode("images");
286 if (imagesXml != null) {
287 for (SimpleXML imageXml : imagesXml.getNodes("image")) {
288 String imageId = imageXml.getValue("id", null);
289 String imageCreationTimeString = imageXml.getValue("creation-time", null);
290 String imageKey = imageXml.getValue("key", null);
291 String imageTitle = imageXml.getValue("title", null);
292 String imageDescription = imageXml.getValue("description", "");
293 String imageWidthString = imageXml.getValue("width", null);
294 String imageHeightString = imageXml.getValue("height", null);
295 if ((imageId == null) || (imageCreationTimeString == null) || (imageKey == null) || (imageTitle == null) || (imageWidthString == null) || (imageHeightString == null)) {
296 logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid images!", sone));
299 long creationTime = parseLong(imageCreationTimeString, 0L);
300 int imageWidth = parseInt(imageWidthString, 0);
301 int imageHeight = parseInt(imageHeightString, 0);
302 if ((imageWidth < 1) || (imageHeight < 1)) {
303 logger.log(Level.WARNING, String.format("Downloaded Sone %s contains image %s with invalid dimensions (%s, %s)!", sone, imageId, imageWidthString, imageHeightString));
306 Image image = core.imageBuilder().withId(imageId).build().modify().setSone(sone).setKey(imageKey).setCreationTime(creationTime).update();
307 image = image.modify().setTitle(imageTitle).setDescription(imageDescription).update();
308 image = image.modify().setWidth(imageWidth).setHeight(imageHeight).update();
309 album.addImage(image);
310 allImages.put(imageId, image);
313 album.modify().setAlbumImage(albumImageId).update();
317 /* process avatar. */
318 if (avatarId != null) {
319 profile.setAvatar(allImages.get(avatarId));
322 /* okay, apparently everything was parsed correctly. Now import. */
323 /* atomic setter operation on the Sone. */
324 synchronized (sone) {
325 sone.setProfile(profile);
326 sone.setPosts(posts);
327 sone.setReplies(replies);
328 sone.setLikePostIds(likedPostIds);
329 sone.setLikeReplyIds(likedReplyIds);
330 for (Album album : topLevelAlbums) {
331 sone.getRootAlbum().addAlbum(album);