Add XML filter to the correct template factory.
[Sone.git] / src / main / java / net / pterodactylus / sone / core / SoneInserter.java
index ee98cb2..ac2cb3f 100644 (file)
@@ -26,11 +26,14 @@ import java.util.logging.Logger;
 
 import net.pterodactylus.sone.data.Sone;
 import net.pterodactylus.sone.freenet.StringBucket;
+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.ReflectionAccessor;
 import net.pterodactylus.util.template.Template;
+import net.pterodactylus.util.template.TemplateException;
+import net.pterodactylus.util.template.XmlFilter;
 import freenet.client.async.ManifestElement;
 import freenet.keys.FreenetURI;
 
@@ -49,8 +52,12 @@ public class SoneInserter extends AbstractService {
 
        static {
                templateFactory.addAccessor(Object.class, new ReflectionAccessor());
+               templateFactory.addFilter("xml", new XmlFilter());
        }
 
+       /** The UTF-8 charset. */
+       private static final Charset utf8Charset = Charset.forName("UTF-8");
+
        /** The Freenet interface. */
        private final FreenetInterface freenetInterface;
 
@@ -81,7 +88,13 @@ public class SoneInserter extends AbstractService {
        @Override
        protected void serviceRun() {
                long modificationCounter = 0;
+               boolean restartNow = true;
                while (!shouldStop()) {
+                       if (!restartNow) {
+                               logger.log(Level.FINEST, "Waiting 60 seconds before checking Sone “" + sone.getName() + "”.");
+                               sleep(60 * 1000);
+                       }
+                       restartNow = false;
                        InsertInformation insertInformation = null;
                        synchronized (sone) {
                                modificationCounter = sone.getModificationCounter();
@@ -95,6 +108,7 @@ public class SoneInserter extends AbstractService {
                                boolean success = false;
                                try {
                                        FreenetURI finalUri = freenetInterface.insertDirectory(insertInformation.getInsertUri().setKeyType("USK").setDocName("Sone-" + sone.getName()).setSuggestedEdition(0), insertInformation.generateManifestEntries(), "index.html");
+                                       sone.updateUris(finalUri);
                                        success = true;
                                        logger.log(Level.INFO, "Inserted Sone “%s” at %s.", new Object[] { sone.getName(), finalUri });
                                } catch (SoneException se1) {
@@ -108,13 +122,15 @@ public class SoneInserter extends AbstractService {
                                if (success) {
                                        synchronized (sone) {
                                                if (sone.getModificationCounter() == modificationCounter) {
+                                                       logger.log(Level.FINE, "Sone “%s” was not modified further, resetting counter…", new Object[] { sone });
                                                        sone.setModificationCounter(0);
+                                               } else {
+                                                       logger.log(Level.FINE, "Sone “%s” was modified since the insert started, starting another insert…", new Object[] { sone });
+                                                       restartNow = true;
                                                }
                                        }
                                }
                        }
-                       logger.log(Level.FINEST, "Waiting 60 seconds before checking Sone “" + sone.getName() + "” again.");
-                       sleep(60 * 1000);
                }
        }
 
@@ -178,20 +194,14 @@ public class SoneInserter extends AbstractService {
                 *
                 * @return The manifest entries for the Sone insert
                 */
-               @SuppressWarnings("synthetic-access")
                public HashMap<String, Object> generateManifestEntries() {
                        HashMap<String, Object> manifestEntries = new HashMap<String, Object>();
 
-                       Charset utf8Charset = Charset.forName("UTF-8");
-
                        /* first, create an index.html. */
-                       Template indexTemplate = templateFactory.createTemplate(new InputStreamReader(getClass().getResourceAsStream("/templates/insert/index.html"), utf8Charset));
-                       indexTemplate.set("currentSone", sone);
-                       StringWriter indexWriter = new StringWriter();
-                       indexTemplate.render(indexWriter);
-                       StringBucket indexBucket = new StringBucket(indexWriter.toString(), utf8Charset);
-                       ManifestElement indexManifestElement = new ManifestElement("index.html", indexBucket, "text/html; charset=utf-8", indexBucket.size());
-                       manifestEntries.put("index.html", indexManifestElement);
+                       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;
                }
@@ -200,6 +210,47 @@ public class SoneInserter extends AbstractService {
                // 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", sone);
+                       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();
+                               }
+                       }
+               }
+
        }
 
 }