X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fcore%2FSoneDownloader.java;h=4328f02078ec45a6d29370cf68b52288c8568421;hp=091efcae0927d7f7b2af74864baea93bf569d3f3;hb=4b42574c9ec4490100ac3e87b9c2f3aac965a202;hpb=554a8f521027da73bd6519f3480b1ed70b108903 diff --git a/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java b/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java index 091efca..7c71ab7 100644 --- a/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java +++ b/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java @@ -1,167 +1,25 @@ -/* - * Sone - SoneDownloader.java - Copyright © 2010 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.core; -import java.io.IOException; -import java.io.InputStream; -import java.util.HashSet; -import java.util.Set; -import java.util.logging.Level; -import java.util.logging.Logger; - import net.pterodactylus.sone.data.Sone; -import net.pterodactylus.util.io.Closer; -import net.pterodactylus.util.logging.Logging; -import net.pterodactylus.util.service.AbstractService; -import net.pterodactylus.util.xml.SimpleXML; -import net.pterodactylus.util.xml.XML; +import net.pterodactylus.util.service.Service; -import org.w3c.dom.Document; +import freenet.keys.FreenetURI; -import freenet.client.FetchResult; -import freenet.support.api.Bucket; +import com.google.inject.ImplementedBy; /** - * The Sone downloader is responsible for download Sones as they are updated. + * Downloads and parses Sone and {@link Core#updateSone(Sone) updates the + * core}. * * @author David ‘Bombe’ Roden */ -public class SoneDownloader extends AbstractService { - - /** The logger. */ - private static final Logger logger = Logging.getLogger(SoneDownloader.class); - - /** The Freenet interface. */ - private final FreenetInterface freenetInterface; - - /** The sones to update. */ - private final Set sones = new HashSet(); - - /** - * Creates a new Sone downloader. - * - * @param freenetInterface - * The Freenet interface - */ - public SoneDownloader(FreenetInterface freenetInterface) { - super("Sone Downloader"); - this.freenetInterface = freenetInterface; - } - - // - // ACTIONS - // - - /** - * Adds the given Sone to the set of Sones that will be watched for updates. - * - * @param sone - * The Sone to add - */ - public void addSone(Sone sone) { - if (sones.add(sone)) { - freenetInterface.registerUsk(sone, this); - } - } - - /** - * Fetches the updated Sone. This method is a callback method for - * {@link FreenetInterface#registerUsk(Sone, SoneDownloader)}. - * - * @param sone - * The Sone to fetch - */ - 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()); - updateSoneFromXml(sone, fetchResult); - } - - // - // SERVICE METHODS - // - - /** - * {@inheritDoc} - */ - @Override - protected void serviceStop() { - for (Sone sone : sones) { - freenetInterface.unregisterUsk(sone); - } - } - - // - // PRIVATE METHODS - // - - /** - * Updates the contents of the given Sone from the given fetch result. - * - * @param sone - * The Sone to update - * @param fetchResult - * The fetch result - */ - private void updateSoneFromXml(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; - try { - xmlBucket = fetchResult.asBucket(); - xmlInputStream = xmlBucket.getInputStream(); - Document document = XML.transformToDocument(xmlInputStream); - SimpleXML soneXml = SimpleXML.fromDocument(document); - - /* check ID. */ - String soneId = soneXml.getValue("id", null); - if (!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; - } - - String soneName = soneXml.getValue("name", null); - if (soneName == null) { - /* TODO - mark Sone as bad. */ - logger.log(Level.WARNING, "Downloaded name for Sone %s was null!", new Object[] { sone }); - return; - } - - 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; - } +@ImplementedBy(SoneDownloaderImpl.class) +public interface SoneDownloader extends Service { - /* parse profile. */ + void addSone(Sone sone); + Sone fetchSone(Sone sone, FreenetURI soneUri, boolean fetchOnly); - } catch (IOException ioe1) { - logger.log(Level.WARNING, "Could not read XML file from " + sone + "!", ioe1); - } finally { - if (xmlBucket != null) { - xmlBucket.free(); - } - Closer.close(xmlInputStream); - } - } + Runnable fetchSoneAsUskAction(Sone sone); + Runnable fetchSoneAsSskAction(Sone sone); }