+ long lastModificationTime = 0;
+ String lastFingerprint = "";
+ while (!shouldStop()) {
+ /* check every seconds. */
+ sleep(1000);
+
+ /* don’t insert locked Sones. */
+ if (core.isLocked(sone)) {
+ /* trigger redetection when the Sone is unlocked. */
+ synchronized (sone) {
+ modified = !sone.getFingerprint().equals(lastInsertFingerprint);
+ }
+ lastFingerprint = "";
+ lastModificationTime = 0;
+ continue;
+ }
+
+ InsertInformation insertInformation = null;
+ synchronized (sone) {
+ String fingerprint = sone.getFingerprint();
+ if (!fingerprint.equals(lastFingerprint)) {
+ if (fingerprint.equals(lastInsertFingerprint)) {
+ modified = false;
+ lastModificationTime = 0;
+ logger.log(Level.FINE, "Sone %s has been reverted to last insert state.", sone);
+ } else {
+ lastModificationTime = System.currentTimeMillis();
+ modified = true;
+ sone.setTime(lastModificationTime);
+ logger.log(Level.FINE, "Sone %s has been modified, waiting %d seconds before inserting.", new Object[] { sone.getName(), insertionDelay });
+ }
+ lastFingerprint = fingerprint;
+ }
+ if (modified && (lastModificationTime > 0) && ((System.currentTimeMillis() - lastModificationTime) > (insertionDelay * 1000))) {
+ lastInsertFingerprint = fingerprint;
+ insertInformation = new InsertInformation(sone);
+ }
+ }
+
+ if (insertInformation != null) {
+ logger.log(Level.INFO, "Inserting Sone “%s”…", new Object[] { sone.getName() });
+
+ boolean success = false;
+ try {
+ core.setSoneStatus(sone, SoneStatus.inserting);
+ FreenetURI finalUri = freenetInterface.insertDirectory(insertInformation.getInsertUri().setKeyType("USK").setSuggestedEdition(0), insertInformation.generateManifestEntries(), "index.html");
+ /* at this point we might already be stopped. */
+ if (shouldStop()) {
+ /* if so, bail out, don’t change anything. */
+ break;
+ }
+ sone.setLatestEdition(finalUri.getEdition());
+ success = true;
+ logger.log(Level.INFO, "Inserted Sone “%s” at %s.", new Object[] { sone.getName(), finalUri });
+ } catch (SoneException se1) {
+ logger.log(Level.WARNING, "Could not insert Sone “" + sone.getName() + "”!", se1);
+ } finally {
+ core.setSoneStatus(sone, SoneStatus.idle);
+ }
+
+ /*
+ * reset modification counter if Sone has not been modified
+ * while it was inserted.
+ */
+ if (success) {
+ synchronized (sone) {
+ if (lastInsertFingerprint.equals(sone.getFingerprint())) {
+ logger.log(Level.FINE, "Sone “%s” was not modified further, resetting counter…", new Object[] { sone });
+ core.saveSone(sone);
+ lastModificationTime = 0;
+ modified = false;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Container for information that are required to insert a Sone. This
+ * container merely exists to copy all relevant data without holding a lock
+ * on the {@link Sone} object for too long.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+ private class InsertInformation {
+
+ /** All properties of the Sone, copied for thread safety. */
+ private final Map<String, Object> soneProperties = new HashMap<String, Object>();
+
+ /**
+ * Creates a new insert information container.
+ *
+ * @param sone
+ * The sone to insert
+ */
+ public InsertInformation(Sone sone) {
+ soneProperties.put("id", sone.getId());
+ soneProperties.put("name", sone.getName());
+ soneProperties.put("time", sone.getTime());
+ soneProperties.put("requestUri", sone.getRequestUri());
+ soneProperties.put("insertUri", sone.getInsertUri());
+ soneProperties.put("profile", sone.getProfile());
+ soneProperties.put("posts", new ArrayList<Post>(sone.getPosts()));
+ soneProperties.put("replies", new HashSet<Reply>(sone.getReplies()));
+ soneProperties.put("likedPostIds", new HashSet<String>(sone.getLikedPostIds()));
+ soneProperties.put("likedReplyIds", new HashSet<String>(sone.getLikedReplyIds()));
+ }
+
+ //
+ // ACCESSORS
+ //
+
+ /**
+ * Returns the insert URI of the Sone.
+ *
+ * @return The insert URI of the Sone
+ */
+ public FreenetURI getInsertUri() {
+ return (FreenetURI) soneProperties.get("insertUri");
+ }
+
+ //
+ // ACTIONS
+ //
+
+ /**
+ * Generates all manifest entries required to insert this Sone.
+ *
+ * @return The manifest entries for the Sone insert
+ */
+ public HashMap<String, Object> generateManifestEntries() {
+ HashMap<String, Object> manifestEntries = new HashMap<String, Object>();
+
+ /* first, create an index.html. */
+ manifestEntries.put("index.html", createManifestElement("index.html", "text/html; charset=utf-8", "/templates/insert/index.html"));
+
+ /* now, store the sone. */
+ manifestEntries.put("sone.xml", createManifestElement("sone.xml", "text/xml; charset=utf-8", "/templates/insert/sone.xml"));
+
+ return manifestEntries;
+ }
+
+ //
+ // PRIVATE METHODS
+ //
+
+ /**
+ * Creates a new manifest element.
+ *
+ * @param name
+ * The name of the file
+ * @param contentType
+ * The content type of the file
+ * @param templateName
+ * The name of the template to render
+ * @return The manifest element
+ */
+ @SuppressWarnings("synthetic-access")
+ private ManifestElement createManifestElement(String name, String contentType, String templateName) {
+ InputStreamReader templateInputStreamReader;
+ Template template = templateFactory.createTemplate(templateInputStreamReader = new InputStreamReader(getClass().getResourceAsStream(templateName), utf8Charset));
+ try {
+ template.parse();
+ } catch (TemplateException te1) {
+ logger.log(Level.SEVERE, "Could not parse template “" + templateName + "”!", te1);
+ return null;
+ } finally {
+ Closer.close(templateInputStreamReader);
+ }
+
+ template.set("currentSone", soneProperties);
+ template.set("version", SonePlugin.VERSION);
+ StringWriter writer = new StringWriter();
+ StringBucket bucket = null;
+ try {
+ template.render(writer);
+ bucket = new StringBucket(writer.toString(), utf8Charset);
+ return new ManifestElement(name, bucket, contentType, bucket.size());
+ } catch (TemplateException te1) {
+ logger.log(Level.SEVERE, "Could not render template “" + templateName + "”!", te1);
+ return null;
+ } finally {
+ Closer.close(writer);
+ if (bucket != null) {
+ bucket.free();
+ }
+ }
+ }
+