import java.io.IOException;
import java.io.InputStream;
+import java.net.MalformedURLException;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
+import net.pterodactylus.sone.core.Core.SoneStatus;
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.collection.Pair;
import net.pterodactylus.util.io.Closer;
import net.pterodactylus.util.logging.Logging;
+import net.pterodactylus.util.number.Numbers;
import net.pterodactylus.util.service.AbstractService;
import net.pterodactylus.util.xml.SimpleXML;
import net.pterodactylus.util.xml.XML;
import org.w3c.dom.Document;
import freenet.client.FetchResult;
+import freenet.keys.FreenetURI;
import freenet.support.api.Bucket;
/**
* The Freenet interface
*/
public SoneDownloader(Core core, FreenetInterface freenetInterface) {
- super("Sone Downloader");
+ super("Sone Downloader", false);
this.core = core;
this.freenetInterface = freenetInterface;
}
* The Sone to fetch
*/
public void fetchSone(Sone sone) {
+ if (core.getSoneStatus(sone) == SoneStatus.downloading) {
+ return;
+ }
logger.log(Level.FINE, "Starting fetch for Sone “%s” from %s…", new Object[] { sone, sone.getRequestUri().setMetaString(new String[] { "sone.xml" }) });
- FetchResult fetchResult = freenetInterface.fetchUri(sone.getRequestUri().setMetaString(new String[] { "sone.xml" }));
- logger.log(Level.FINEST, "Got %d bytes back.", fetchResult.size());
- parseSone(sone, fetchResult);
+ FreenetURI requestUri = sone.getRequestUri().setMetaString(new String[] { "sone.xml" });
+ core.setSoneStatus(sone, SoneStatus.downloading);
+ try {
+ Pair<FreenetURI, FetchResult> fetchResults = freenetInterface.fetchUri(requestUri);
+ if (fetchResults == null) {
+ /* TODO - mark Sone as bad. */
+ return;
+ }
+ logger.log(Level.FINEST, "Got %d bytes back.", fetchResults.getRight().size());
+ Sone parsedSone = parseSone(sone, fetchResults.getRight(), fetchResults.getLeft());
+ if (parsedSone != null) {
+ core.updateSone(parsedSone);
+ }
+ } finally {
+ core.setSoneStatus(sone, (sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle);
+ }
}
/**
* Parses a Sone from a fetch result.
*
- * @param sone
+ * @param originalSone
* The sone to parse, or {@code null} if the Sone is yet unknown
* @param fetchResult
* The fetch result
+ * @param requestUri
+ * The requested URI
* @return The parsed Sone, or {@code null} if the Sone could not be parsed
*/
- public Sone parseSone(Sone sone, FetchResult fetchResult) {
- logger.log(Level.FINEST, "Persing FetchResult (%d bytes, %s) for %s…", new Object[] { fetchResult.size(), fetchResult.getMimeType(), sone });
- /* TODO - impose a size limit? */
- InputStream xmlInputStream = null;
- Bucket xmlBucket = null;
+ public Sone parseSone(Sone originalSone, FetchResult fetchResult, FreenetURI requestUri) {
+ logger.log(Level.FINEST, "Persing FetchResult (%d bytes, %s) for %s…", new Object[] { fetchResult.size(), fetchResult.getMimeType(), originalSone });
+ Bucket soneBucket = fetchResult.asBucket();
+ InputStream soneInputStream = null;
try {
- xmlBucket = fetchResult.asBucket();
- xmlInputStream = xmlBucket.getInputStream();
- Document document = XML.transformToDocument(xmlInputStream);
- SimpleXML soneXml;
- try {
- soneXml = SimpleXML.fromDocument(document);
- } catch (NullPointerException npe1) {
- /* for some reason, invalid XML can cause NPEs. */
- logger.log(Level.WARNING, "XML for Sone " + sone + " can not be parsed!", npe1);
- return null;
+ soneInputStream = soneBucket.getInputStream();
+ Sone parsedSone = parseSone(originalSone, soneInputStream);
+ if (parsedSone != null) {
+ parsedSone.setRequestUri(requestUri.setMetaString(new String[0]));
}
+ return parsedSone;
+ } catch (IOException ioe1) {
+ logger.log(Level.WARNING, "Could not parse Sone from " + requestUri + "!", ioe1);
+ } finally {
+ Closer.close(soneInputStream);
+ soneBucket.free();
+ }
+ return null;
+ }
- /* check ID. */
- String soneId = soneXml.getValue("id", null);
- if ((sone != null) && !sone.getId().equals(soneId)) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, "Downloaded ID for Sone %s (%s) does not match known ID (%s)!", new Object[] { sone, sone.getId(), soneId });
- return null;
- }
+ /**
+ * Parses a Sone from the given input stream and creates a new Sone from the
+ * parsed data.
+ *
+ * @param originalSone
+ * The Sone to update
+ * @param soneInputStream
+ * The input stream to parse the Sone from
+ * @return The parsed Sone
+ */
+ public Sone parseSone(Sone originalSone, InputStream soneInputStream) {
+ /* TODO - impose a size limit? */
- /* load Sone from core. */
- if (sone == null) {
- sone = core.getSone(soneId);
- }
+ 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, "Could not parse XML for Sone %s!", new Object[] { originalSone });
+ return null;
+ }
+
+ Sone sone = new Sone(originalSone.getId());
+
+ SimpleXML soneXml;
+ try {
+ soneXml = SimpleXML.fromDocument(document);
+ } catch (NullPointerException npe1) {
+ /* for some reason, invalid XML can cause NPEs. */
+ logger.log(Level.WARNING, "XML for Sone " + sone + " can not be parsed!", npe1);
+ return null;
+ }
+
+ String soneTime = soneXml.getValue("time", null);
+ if (soneTime == null) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, "Downloaded time for Sone %s was null!", new Object[] { sone });
+ return null;
+ }
+ try {
+ sone.setTime(Long.parseLong(soneTime));
+ } catch (NumberFormatException nfe1) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, "Downloaded Sone %s with invalid time: %s", new Object[] { sone, soneTime });
+ return null;
+ }
- String soneName = soneXml.getValue("name", null);
- if (soneName == null) {
+ String soneRequestUri = soneXml.getValue("request-uri", null);
+ if (soneRequestUri != null) {
+ try {
+ sone.setRequestUri(new FreenetURI(soneRequestUri));
+ } catch (MalformedURLException mue1) {
/* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, "Downloaded name for Sone %s was null!", new Object[] { sone });
+ logger.log(Level.WARNING, "Downloaded Sone " + sone + " has invalid request URI: " + soneRequestUri, mue1);
return null;
}
+ }
- SimpleXML profileXml = soneXml.getNode("profile");
- if (profileXml == null) {
+ String soneInsertUri = soneXml.getValue("insert-uri", null);
+ if ((soneInsertUri != null) && (sone.getInsertUri() == null)) {
+ try {
+ sone.setInsertUri(new FreenetURI(soneInsertUri));
+ sone.setLatestEdition(Math.max(sone.getRequestUri().getSuggestedEdition(), sone.getInsertUri().getSuggestedEdition()));
+ } catch (MalformedURLException mue1) {
/* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, "Downloaded Sone %s has no profile!", new Object[] { sone });
+ logger.log(Level.WARNING, "Downloaded Sone " + sone + " has invalid insert URI: " + soneInsertUri, mue1);
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);
- Profile profile = new Profile().setFirstName(profileFirstName).setMiddleName(profileMiddleName).setLastName(profileLastName);
+ SimpleXML profileXml = soneXml.getNode("profile");
+ if (profileXml == null) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, "Downloaded Sone %s has no profile!", new Object[] { sone });
+ return null;
+ }
- /* parse posts. */
- SimpleXML postsXml = soneXml.getNode("posts");
- if (postsXml == null) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, "Downloaded Sone %s has no posts!", new Object[] { 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().setFirstName(profileFirstName).setMiddleName(profileMiddleName).setLastName(profileLastName);
+ profile.setBirthDay(profileBirthDay).setBirthMonth(profileBirthMonth).setBirthYear(profileBirthYear);
- Set<Post> posts = new HashSet<Post>();
+ /* 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, "Downloaded Sone %s has no posts!", new Object[] { sone });
+ } else {
for (SimpleXML postXml : postsXml.getNodes("post")) {
String postId = postXml.getValue("id", null);
String postTime = postXml.getValue("time", null);
return null;
}
}
+ }
- /* parse replies. */
- SimpleXML repliesXml = soneXml.getNode("replies");
- if (repliesXml == null) {
- /* TODO - mark Sone as bad. */
- logger.log(Level.WARNING, "Downloaded Sone %s has no replies!", new Object[] { sone });
- return null;
- }
-
- Set<Reply> replies = new HashSet<Reply>();
+ /* parse replies. */
+ SimpleXML repliesXml = soneXml.getNode("replies");
+ Set<Reply> replies = new HashSet<Reply>();
+ if (repliesXml == null) {
+ /* TODO - mark Sone as bad. */
+ logger.log(Level.WARNING, "Downloaded Sone %s has no replies!", new Object[] { sone });
+ } else {
for (SimpleXML replyXml : repliesXml.getNodes("reply")) {
String replyId = replyXml.getValue("id", null);
String replyPostId = replyXml.getValue("post-id", null);
return null;
}
}
+ }
- /* 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.setModificationCounter(0);
+ /* 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, "Downloaded Sone %s has no post likes!", new Object[] { sone });
+ } else {
+ for (SimpleXML likedPostIdXml : likePostIdsXml.getNodes("post-like")) {
+ String postId = likedPostIdXml.getValue();
+ likedPostIds.add(postId);
}
- } catch (IOException ioe1) {
- logger.log(Level.WARNING, "Could not read XML file from " + sone + "!", ioe1);
- return null;
- } finally {
- if (xmlBucket != null) {
- xmlBucket.free();
+ }
+
+ /* 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, "Downloaded Sone %s has no reply likes!", new Object[] { sone });
+ } else {
+ for (SimpleXML likedReplyIdXml : likeReplyIdsXml.getNodes("reply-like")) {
+ String replyId = likedReplyIdXml.getValue();
+ likedReplyIds.add(replyId);
}
- Closer.close(xmlInputStream);
}
+
+ /* 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.setModificationCounter(0);
+ }
+
return sone;
}
projects / Sone.git / blobdiff