X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fcore%2FSoneDownloader.java;h=47bd9405cd50bd5bc69151b24763e1cd2caa3c05;hb=dc741dd2dd66c879f1fe79807933994851c03c5e;hp=1a8f870bd706e94b00b1c159d40f5bd8c91a7373;hpb=adf590c0b33f1cc3f136d8d3a714f7051407535f;p=Sone.git diff --git a/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java b/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java index 1a8f870..47bd940 100644 --- a/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java +++ b/src/main/java/net/pterodactylus/sone/core/SoneDownloader.java @@ -17,15 +17,27 @@ 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.Post; +import net.pterodactylus.sone.data.Profile; +import net.pterodactylus.sone.data.Reply; 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 org.w3c.dom.Document; + import freenet.client.FetchResult; +import freenet.support.api.Bucket; /** * The Sone downloader is responsible for download Sones as they are updated. @@ -81,6 +93,7 @@ public class SoneDownloader extends AbstractService { 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); } // @@ -97,4 +110,108 @@ public class SoneDownloader extends AbstractService { } } + // + // 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; + } + + /* 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); + + /* 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; + } + + Set posts = new HashSet(); + for (SimpleXML postXml : postsXml.getNodes("post")) { + String postId = postXml.getValue("id", 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, "Downloaded post for Sone %s with missing data! ID: %s, Time: %s, Text: %s", new Object[] { sone, postId, postTime, postText }); + return; + } + try { + posts.add(new Post(postId, sone, Long.parseLong(postTime), postText)); + } catch (NumberFormatException nfe1) { + /* TODO - mark Sone as bad. */ + logger.log(Level.WARNING, "Downloaded post for Sone %s with invalid time: %s", new Object[] { sone, postTime }); + return; + } + } + + /* 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; + } + + Set replies = new HashSet(); + 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); + /* TODO - finish! */ + } + } catch (IOException ioe1) { + logger.log(Level.WARNING, "Could not read XML file from " + sone + "!", ioe1); + } finally { + if (xmlBucket != null) { + xmlBucket.free(); + } + Closer.close(xmlInputStream); + } + } + }