import net.pterodactylus.sone.data.Reply;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.sone.freenet.StringBucket;
+import net.pterodactylus.sone.main.SonePlugin;
import net.pterodactylus.util.io.Closer;
import net.pterodactylus.util.logging.Logging;
import net.pterodactylus.util.service.AbstractService;
-import net.pterodactylus.util.template.DefaultTemplateFactory;
+import net.pterodactylus.util.template.HtmlFilter;
import net.pterodactylus.util.template.ReflectionAccessor;
import net.pterodactylus.util.template.Template;
+import net.pterodactylus.util.template.TemplateContext;
+import net.pterodactylus.util.template.TemplateContextFactory;
import net.pterodactylus.util.template.TemplateException;
+import net.pterodactylus.util.template.TemplateParser;
import net.pterodactylus.util.template.XmlFilter;
import freenet.client.async.ManifestElement;
import freenet.keys.FreenetURI;
private static volatile int insertionDelay = 60;
/** The template factory used to create the templates. */
- private static final DefaultTemplateFactory templateFactory = new DefaultTemplateFactory();
+ private static final TemplateContextFactory templateContextFactory = new TemplateContextFactory();
static {
- templateFactory.addAccessor(Object.class, new ReflectionAccessor());
- templateFactory.addFilter("xml", new XmlFilter());
+ templateContextFactory.addAccessor(Object.class, new ReflectionAccessor());
+ templateContextFactory.addFilter("xml", new XmlFilter());
+ templateContextFactory.addFilter("html", new HtmlFilter());
}
/** The UTF-8 charset. */
/** The Sone to insert. */
private final Sone sone;
+ /** Whether a modification has been detected. */
+ private volatile boolean modified = false;
+
+ /** The fingerprint of the last insert. */
+ private volatile String lastInsertFingerprint;
+
/**
* Creates a new Sone inserter.
*
SoneInserter.insertionDelay = insertionDelay;
}
+ /**
+ * Returns the fingerprint of the last insert.
+ *
+ * @return The fingerprint of the last insert
+ */
+ public String getLastInsertFingerprint() {
+ return lastInsertFingerprint;
+ }
+
+ /**
+ * Sets the fingerprint of the last insert.
+ *
+ * @param lastInsertFingerprint
+ * The fingerprint of the last insert
+ */
+ public void setLastInsertFingerprint(String lastInsertFingerprint) {
+ this.lastInsertFingerprint = lastInsertFingerprint;
+ }
+
+ /**
+ * Returns whether the Sone inserter has detected a modification of the
+ * Sone.
+ *
+ * @return {@code true} if the Sone has been modified, {@code false}
+ * otherwise
+ */
+ public boolean isModified() {
+ return modified;
+ }
+
//
// SERVICE METHODS
//
*/
@Override
protected void serviceRun() {
- long modificationCounter = 0;
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) {
- if (sone.getModificationCounter() > modificationCounter) {
- modificationCounter = sone.getModificationCounter();
- lastModificationTime = System.currentTimeMillis();
- sone.setTime(lastModificationTime);
- logger.log(Level.FINE, "Sone %s has been modified, waiting %d seconds before inserting.", new Object[] { sone.getName(), insertionDelay });
+ 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;
+ logger.log(Level.FINE, "Sone %s has been modified, waiting %d seconds before inserting.", new Object[] { sone.getName(), insertionDelay });
+ }
+ lastFingerprint = fingerprint;
}
- if ((lastModificationTime > 0) && ((System.currentTimeMillis() - lastModificationTime) > (insertionDelay * 1000))) {
+ if (modified && (lastModificationTime > 0) && ((System.currentTimeMillis() - lastModificationTime) > (insertionDelay * 1000))) {
+ lastInsertFingerprint = fingerprint;
insertInformation = new InsertInformation(sone);
}
}
boolean success = false;
try {
core.setSoneStatus(sone, SoneStatus.inserting);
- FreenetURI finalUri = freenetInterface.insertDirectory(insertInformation.getInsertUri().setKeyType("USK").setSuggestedEdition(0), insertInformation.generateManifestEntries(), "index.html");
+ long insertTime = System.currentTimeMillis();
+ insertInformation.setTime(insertTime);
+ FreenetURI finalUri = freenetInterface.insertDirectory(insertInformation.getInsertUri(), insertInformation.generateManifestEntries(), "index.html");
+ /* at this point we might already be stopped. */
+ if (shouldStop()) {
+ /* if so, bail out, don’t change anything. */
+ break;
+ }
+ sone.setTime(insertTime);
sone.setLatestEdition(finalUri.getEdition());
- /* TODO - better encapsulation? */
core.saveSone(sone);
success = true;
logger.log(Level.INFO, "Inserted Sone “%s” at %s.", new Object[] { sone.getName(), finalUri });
*/
if (success) {
synchronized (sone) {
- if (sone.getModificationCounter() == modificationCounter) {
+ if (lastInsertFingerprint.equals(sone.getFingerprint())) {
logger.log(Level.FINE, "Sone “%s” was not modified further, resetting counter…", new Object[] { sone });
- sone.setModificationCounter(0);
- modificationCounter = 0;
+ core.saveSone(sone);
lastModificationTime = 0;
+ modified = false;
}
}
}
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("likeReplyIds", new HashSet<String>(sone.getLikedReplyIds()));
+ soneProperties.put("likedReplyIds", new HashSet<String>(sone.getLikedReplyIds()));
}
//
return (FreenetURI) soneProperties.get("insertUri");
}
+ /**
+ * Sets the time of the Sone at the time of the insert.
+ *
+ * @param time
+ * The time of the Sone
+ */
+ public void setTime(long time) {
+ soneProperties.put("time", time);
+ }
+
//
// ACTIONS
//
*/
@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));
+ InputStreamReader templateInputStreamReader = null;
+ Template template;
try {
- template.parse();
+ templateInputStreamReader = new InputStreamReader(getClass().getResourceAsStream(templateName), utf8Charset);
+ template = TemplateParser.parse(templateInputStreamReader);
} catch (TemplateException te1) {
logger.log(Level.SEVERE, "Could not parse template “" + templateName + "”!", te1);
return null;
Closer.close(templateInputStreamReader);
}
- template.set("currentSone", soneProperties);
+ TemplateContext templateContext = templateContextFactory.createTemplateContext();
+ templateContext.set("currentSone", soneProperties);
+ templateContext.set("version", SonePlugin.VERSION);
StringWriter writer = new StringWriter();
StringBucket bucket = null;
try {
- template.render(writer);
+ template.render(templateContext, writer);
bucket = new StringBucket(writer.toString(), utf8Charset);
return new ManifestElement(name, bucket, contentType, bucket.size());
} catch (TemplateException te1) {