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 org.w3c.dom.Document;
import freenet.client.FetchResult;
+import freenet.keys.FreenetURI;
import freenet.support.api.Bucket;
/**
}
/**
+ * Removes the given Sone from the downloader.
+ *
+ * @param sone
+ * The Sone to stop watching
+ */
+ public void removeSone(Sone sone) {
+ if (sones.remove(sone)) {
+ freenetInterface.unregisterUsk(sone);
+ }
+ }
+
+ /**
* Fetches the updated Sone. This method is a callback method for
* {@link FreenetInterface#registerUsk(Sone, SoneDownloader)}.
*
*/
public void fetchSone(Sone sone) {
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 {
+ FetchResult fetchResult = freenetInterface.fetchUri(requestUri);
+ if (fetchResult == null) {
+ /* TODO - mark Sone as bad. */
+ return;
+ }
+ logger.log(Level.FINEST, "Got %d bytes back.", fetchResult.size());
+ Sone parsedSone = parseSone(sone, fetchResult, requestUri);
+ if (parsedSone != null) {
+ core.addSone(parsedSone);
+ }
+ } finally {
+ core.setSoneStatus(sone, (sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle);
+ }
}
- 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 });
+ /**
+ * Parses a Sone from a fetch result.
+ *
+ * @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 originalSone, FetchResult fetchResult, FreenetURI requestUri) {
+ logger.log(Level.FINEST, "Persing FetchResult (%d bytes, %s) for %s…", new Object[] { fetchResult.size(), fetchResult.getMimeType(), originalSone });
/* TODO - impose a size limit? */
InputStream xmlInputStream = null;
Bucket xmlBucket = null;
+ Sone sone;
try {
xmlBucket = fetchResult.asBucket();
xmlInputStream = xmlBucket.getInputStream();
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);
+ logger.log(Level.WARNING, "XML for Sone " + originalSone + " can not be parsed!", npe1);
return null;
}
/* check ID. */
String soneId = soneXml.getValue("id", null);
- if ((sone != null) && !sone.getId().equals(soneId)) {
+ if ((originalSone != null) && !originalSone.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 });
+ logger.log(Level.WARNING, "Downloaded ID for Sone %s (%s) does not match known ID (%s)!", new Object[] { originalSone, originalSone.getId(), soneId });
return null;
}
/* load Sone from core. */
+ sone = originalSone;
if (sone == null) {
- sone = core.getSone(soneId);
+ sone = core.getSone(soneId).setRequestUri(requestUri.setMetaString(new String[] {}));
}
String soneName = soneXml.getValue("name", null);
logger.log(Level.WARNING, "Downloaded name for Sone %s was null!", new Object[] { sone });
return null;
}
+ sone.setName(soneName);
+
+ 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;
+ }
SimpleXML profileXml = soneXml.getNode("profile");
if (profileXml == null) {
sone.setModificationCounter(0);
}
} catch (IOException ioe1) {
- logger.log(Level.WARNING, "Could not read XML file from " + sone + "!", ioe1);
+ logger.log(Level.WARNING, "Could not read XML file from " + originalSone + "!", ioe1);
return null;
} finally {
if (xmlBucket != null) {