Only free buckets after the insert.
[Sone.git] / src / main / java / net / pterodactylus / sone / core / SoneInserter.java
index 8efcc73..c5b9e40 100644 (file)
 
 package net.pterodactylus.sone.core;
 
+import static com.google.common.base.Preconditions.checkArgument;
+import static net.pterodactylus.sone.data.Album.NOT_EMPTY;
+
 import java.io.InputStreamReader;
 import java.io.StringWriter;
 import java.nio.charset.Charset;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
+import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -34,7 +38,6 @@ import net.pterodactylus.sone.data.Post;
 import net.pterodactylus.sone.data.Reply;
 import net.pterodactylus.sone.data.Sone;
 import net.pterodactylus.sone.data.Sone.SoneStatus;
-import net.pterodactylus.sone.freenet.StringBucket;
 import net.pterodactylus.sone.main.SonePlugin;
 import net.pterodactylus.util.io.Closer;
 import net.pterodactylus.util.logging.Logging;
@@ -48,12 +51,16 @@ import net.pterodactylus.util.template.TemplateException;
 import net.pterodactylus.util.template.TemplateParser;
 import net.pterodactylus.util.template.XmlFilter;
 
+import com.google.common.base.Charsets;
 import com.google.common.collect.FluentIterable;
 import com.google.common.collect.Ordering;
 import com.google.common.eventbus.EventBus;
 
-import freenet.client.async.ManifestElement;
 import freenet.keys.FreenetURI;
+import freenet.support.api.Bucket;
+import freenet.support.api.ManifestElement;
+import freenet.support.api.RandomAccessBucket;
+import freenet.support.io.ArrayBucket;
 
 /**
  * A Sone inserter is responsible for inserting a Sone if it has changed.
@@ -90,7 +97,7 @@ public class SoneInserter extends AbstractService {
        private final FreenetInterface freenetInterface;
 
        /** The Sone to insert. */
-       private final Sone sone;
+       private volatile Sone sone;
 
        /** Whether a modification has been detected. */
        private volatile boolean modified = false;
@@ -123,8 +130,21 @@ public class SoneInserter extends AbstractService {
        //
 
        /**
-        * Changes the insertion delay, i.e. the time the Sone inserter waits after
-        * it has noticed a Sone modification before it starts the insert.
+        * Sets the Sone to insert.
+        *
+        * @param sone
+        *              The Sone to insert
+        * @return This Sone inserter
+        */
+       public SoneInserter setSone(Sone sone) {
+               checkArgument((this.sone == null) || sone.equals(this.sone), "Sone to insert can not be set to a different Sone");
+               this.sone = sone;
+               return this;
+       }
+
+       /**
+        * Changes the insertion delay, i.e. the time the Sone inserter waits after it
+        * has noticed a Sone modification before it starts the insert.
         *
         * @param insertionDelay
         *            The insertion delay (in seconds)
@@ -175,12 +195,14 @@ public class SoneInserter extends AbstractService {
                long lastModificationTime = 0;
                String lastInsertedFingerprint = lastInsertFingerprint;
                String lastFingerprint = "";
+               Sone sone;
                while (!shouldStop()) {
                        try {
                                /* check every seconds. */
                                sleep(1000);
 
                                /* don’t insert locked Sones. */
+                               sone = this.sone;
                                if (core.isLocked(sone)) {
                                        /* trigger redetection when the Sone is unlocked. */
                                        synchronized (sone) {
@@ -237,6 +259,7 @@ public class SoneInserter extends AbstractService {
                                                eventBus.post(new SoneInsertAbortedEvent(sone, se1));
                                                logger.log(Level.WARNING, String.format("Could not insert Sone “%s”!", sone.getName()), se1);
                                        } finally {
+                                               insertInformation.close();
                                                sone.setStatus(SoneStatus.idle);
                                        }
 
@@ -273,6 +296,7 @@ public class SoneInserter extends AbstractService {
 
                /** All properties of the Sone, copied for thread safety. */
                private final Map<String, Object> soneProperties = new HashMap<String, Object>();
+               private final Set<Bucket> buckets = new HashSet<Bucket>();
 
                /**
                 * Creates a new insert information container.
@@ -291,7 +315,7 @@ public class SoneInserter extends AbstractService {
                        soneProperties.put("replies", Ordering.from(Reply.TIME_COMPARATOR).reverse().sortedCopy(sone.getReplies()));
                        soneProperties.put("likedPostIds", new HashSet<String>(sone.getLikedPostIds()));
                        soneProperties.put("likedReplyIds", new HashSet<String>(sone.getLikedReplyIds()));
-                       soneProperties.put("albums", FluentIterable.from(sone.getAlbums()).transformAndConcat(Album.FLATTENER).toList());
+                       soneProperties.put("albums", FluentIterable.from(sone.getRootAlbum().getAlbums()).transformAndConcat(Album.FLATTENER).filter(NOT_EMPTY).toList());
                }
 
                //
@@ -373,19 +397,22 @@ public class SoneInserter extends AbstractService {
                        templateContext.set("currentEdition", core.getUpdateChecker().getLatestEdition());
                        templateContext.set("version", SonePlugin.VERSION);
                        StringWriter writer = new StringWriter();
-                       StringBucket bucket = null;
                        try {
                                template.render(templateContext, writer);
-                               bucket = new StringBucket(writer.toString(), utf8Charset);
+                               RandomAccessBucket bucket = new ArrayBucket(writer.toString().getBytes(Charsets.UTF_8));
+                               buckets.add(bucket);
                                return new ManifestElement(name, bucket, contentType, bucket.size());
                        } catch (TemplateException te1) {
                                logger.log(Level.SEVERE, String.format("Could not render template “%s”!", templateName), te1);
                                return null;
                        } finally {
                                Closer.close(writer);
-                               if (bucket != null) {
-                                       bucket.free();
-                               }
+                       }
+               }
+
+               public void close() {
+                       for (Bucket bucket : buckets) {
+                               bucket.free();
                        }
                }