/** * Updates the lucene index for a single page. * * @param page The WikiPage to check * @param text The page text to index. */ protected synchronized void updateLuceneIndex(WikiPage page, String text) { IndexWriter writer = null; log.debug("Updating Lucene index for page '" + page.getName() + "'..."); Directory luceneDir = null; try { pageRemoved(page); // Now add back the new version. luceneDir = new SimpleFSDirectory(new File(m_luceneDirectory), null); writer = getIndexWriter(luceneDir); luceneIndexPage(page, text, writer); } catch (IOException e) { log.error("Unable to update page '" + page.getName() + "' from Lucene index", e); // reindexPage( page ); } catch (Exception e) { log.error("Unexpected Lucene exception - please check configuration!", e); // reindexPage( page ); } finally { close(writer); } log.debug("Done updating Lucene index for page '" + page.getName() + "'."); }
/** * Performs a full Lucene reindex, if necessary. * * @throws IOException If there's a problem during indexing */ protected void doFullLuceneReindex() throws IOException { File dir = new File(m_luceneDirectory); String[] filelist = dir.list(); if (filelist == null) { throw new IOException( "Invalid Lucene directory: cannot produce listing: " + dir.getAbsolutePath()); } try { if (filelist.length == 0) { // // No files? Reindex! // Date start = new Date(); IndexWriter writer = null; log.info("Starting Lucene reindexing, this can take a couple minutes..."); Directory luceneDir = new SimpleFSDirectory(dir, null); try { writer = getIndexWriter(luceneDir); Collection allPages = m_engine.getPageManager().getAllPages(); for (Iterator iterator = allPages.iterator(); iterator.hasNext(); ) { WikiPage page = (WikiPage) iterator.next(); try { String text = m_engine .getPageManager() .getPageText(page.getName(), WikiProvider.LATEST_VERSION); luceneIndexPage(page, text, writer); } catch (IOException e) { log.warn("Unable to index page " + page.getName() + ", continuing to next ", e); } } Collection allAttachments = m_engine.getAttachmentManager().getAllAttachments(); for (Iterator iterator = allAttachments.iterator(); iterator.hasNext(); ) { Attachment att = (Attachment) iterator.next(); try { String text = getAttachmentContent(att.getName(), WikiProvider.LATEST_VERSION); luceneIndexPage(att, text, writer); } catch (IOException e) { log.warn("Unable to index attachment " + att.getName() + ", continuing to next", e); } } } finally { close(writer); } Date end = new Date(); log.info( "Full Lucene index finished in " + (end.getTime() - start.getTime()) + " milliseconds."); } else { log.info("Files found in Lucene directory, not reindexing."); } } catch (NoClassDefFoundError e) { log.info("Lucene libraries do not exist - not using Lucene."); } catch (IOException e) { log.error("Problem while creating Lucene index - not using Lucene.", e); } catch (ProviderException e) { log.error("Problem reading pages while creating Lucene index (JSPWiki won't start.)", e); throw new IllegalArgumentException("unable to create Lucene index"); } catch (Exception e) { log.error("Unable to start lucene", e); } }