Examples with ProviderException org.apache.wiki.api.exceptions.ProviderException used on opensource projects

Example 6 with ProviderException

use of org.apache.wiki.api.exceptions.ProviderException in project jspwiki by apache.

the class VersioningFileProvider method putPageText.

// FIXME: This method has no rollback whatsoever.
/*
      This is how the page directory should look like:

         version    pagedir       olddir
          none       empty         empty
           1         Main.txt (1)  empty
           2         Main.txt (2)  1.txt
           3         Main.txt (3)  1.txt, 2.txt
    */
/**
 *  {@inheritDoc}
 */
public synchronized void putPageText(WikiPage page, String text) throws ProviderException {
    // 
    // This is a bit complicated.  We'll first need to
    // copy the old file to be the newest file.
    // 
    File pageDir = findOldPageDir(page.getName());
    if (!pageDir.exists()) {
        pageDir.mkdirs();
    }
    int latest = findLatestVersion(page.getName());
    try {
        // 
        // Copy old data to safety, if one exists.
        // 
        File oldFile = findPage(page.getName());
        // Figure out which version should the old page be?
        // Numbers should always start at 1.
        // "most recent" = -1 ==> 1
        // "first"       = 1  ==> 2
        int versionNumber = (latest > 0) ? latest : 1;
        boolean firstUpdate = (versionNumber == 1);
        if (oldFile != null && oldFile.exists()) {
            InputStream in = null;
            OutputStream out = null;
            try {
                in = new BufferedInputStream(new FileInputStream(oldFile));
                File pageFile = new File(pageDir, Integer.toString(versionNumber) + FILE_EXT);
                out = new BufferedOutputStream(new FileOutputStream(pageFile));
                FileUtil.copyContents(in, out);
                // 
                // We need also to set the date, since we rely on this.
                // 
                pageFile.setLastModified(oldFile.lastModified());
                // 
                // Kludge to make the property code to work properly.
                // 
                versionNumber++;
            } finally {
                IOUtils.closeQuietly(out);
                IOUtils.closeQuietly(in);
            }
        }
        // 
        // Let superclass handler writing data to a new version.
        // 
        super.putPageText(page, text);
        // 
        // Finally, write page version data.
        // 
        // FIXME: No rollback available.
        Properties props = getPageProperties(page.getName());
        String authorFirst = null;
        // if the following file exists, we are NOT migrating from FileSystemProvider
        File pagePropFile = new File(getPageDirectory() + File.separator + PAGEDIR + File.separator + mangleName(page.getName()) + File.separator + "page" + FileSystemProvider.PROP_EXT);
        if (firstUpdate && !pagePropFile.exists()) {
            // we might not yet have a versioned author because the
            // old page was last maintained by FileSystemProvider
            Properties props2 = getHeritagePageProperties(page.getName());
            // remember the simulated original author (or something)
            // in the new properties
            authorFirst = props2.getProperty("1.author", "unknown");
            props.setProperty("1.author", authorFirst);
        }
        String newAuthor = page.getAuthor();
        if (newAuthor == null) {
            newAuthor = (authorFirst != null) ? authorFirst : "unknown";
        }
        page.setAuthor(newAuthor);
        props.setProperty(versionNumber + ".author", newAuthor);
        String changeNote = (String) page.getAttribute(WikiPage.CHANGENOTE);
        if (changeNote != null) {
            props.setProperty(versionNumber + ".changenote", changeNote);
        }
        // Get additional custom properties from page and add to props
        getCustomProperties(page, props);
        putPageProperties(page.getName(), props);
    } catch (IOException e) {
        log.error("Saving failed", e);
        throw new ProviderException("Could not save page text: " + e.getMessage());
    }
}

Example 7 with ProviderException

use of org.apache.wiki.api.exceptions.ProviderException in project jspwiki by apache.

the class BasicSearchProvider method findPages.

private Collection findPages(QueryItem[] query, WikiContext wikiContext) {
    TreeSet<SearchResult> res = new TreeSet<SearchResult>(new SearchResultComparator());
    SearchMatcher matcher = new SearchMatcher(m_engine, query);
    Collection allPages = null;
    try {
        allPages = m_engine.getPageManager().getAllPages();
    } catch (ProviderException pe) {
        log.error("Unable to retrieve page list", pe);
        return null;
    }
    AuthorizationManager mgr = m_engine.getAuthorizationManager();
    Iterator it = allPages.iterator();
    while (it.hasNext()) {
        try {
            WikiPage page = (WikiPage) it.next();
            if (page != null) {
                PagePermission pp = new PagePermission(page, PagePermission.VIEW_ACTION);
                if (wikiContext == null || mgr.checkPermission(wikiContext.getWikiSession(), pp)) {
                    String pageName = page.getName();
                    String pageContent = m_engine.getPageManager().getPageText(pageName, WikiPageProvider.LATEST_VERSION) + attachmentNames(page, " ");
                    SearchResult comparison = matcher.matchPageContent(pageName, pageContent);
                    if (comparison != null) {
                        res.add(comparison);
                    }
                }
            }
        } catch (ProviderException pe) {
            log.error("Unable to retrieve page from cache", pe);
        } catch (IOException ioe) {
            log.error("Failed to search page", ioe);
        }
    }
    return res;
}

Example 8 with ProviderException

use of org.apache.wiki.api.exceptions.ProviderException in project jspwiki by apache.

the class LuceneSearchProvider method luceneIndexPage.

/**
 *  Indexes page using the given IndexWriter.
 *
 *  @param page WikiPage
 *  @param text Page text to index
 *  @param writer The Lucene IndexWriter to use for indexing
 *  @return the created index Document
 *  @throws IOException If there's an indexing problem
 */
protected Document luceneIndexPage(WikiPage page, String text, IndexWriter writer) throws IOException {
    if (log.isDebugEnabled())
        log.debug("Indexing " + page.getName() + "...");
    // make a new, empty document
    Document doc = new Document();
    if (text == null)
        return doc;
    // Raw name is the keyword we'll use to refer to this document for updates.
    Field field = new Field(LUCENE_ID, page.getName(), StringField.TYPE_STORED);
    doc.add(field);
    // Body text.  It is stored in the doc for search contexts.
    field = new Field(LUCENE_PAGE_CONTENTS, text, TextField.TYPE_STORED);
    doc.add(field);
    // Allow searching by page name. Both beautified and raw
    String unTokenizedTitle = StringUtils.replaceChars(page.getName(), MarkupParser.PUNCTUATION_CHARS_ALLOWED, c_punctuationSpaces);
    field = new Field(LUCENE_PAGE_NAME, TextUtil.beautifyString(page.getName()) + " " + unTokenizedTitle, TextField.TYPE_STORED);
    doc.add(field);
    if (page.getAuthor() != null) {
        field = new Field(LUCENE_AUTHOR, page.getAuthor(), TextField.TYPE_STORED);
        doc.add(field);
    }
    // Now add the names of the attachments of this page
    try {
        Collection attachments = m_engine.getAttachmentManager().listAttachments(page);
        String attachmentNames = "";
        for (Iterator it = attachments.iterator(); it.hasNext(); ) {
            Attachment att = (Attachment) it.next();
            attachmentNames += att.getName() + ";";
        }
        field = new Field(LUCENE_ATTACHMENTS, attachmentNames, TextField.TYPE_STORED);
        doc.add(field);
    } catch (ProviderException e) {
        // Unable to read attachments
        log.error("Failed to get attachments for page", e);
    }
    writer.addDocument(doc);
    return doc;
}

Example 9 with ProviderException

use of org.apache.wiki.api.exceptions.ProviderException in project jspwiki by apache.

the class LuceneSearchProvider method doFullLuceneReindex.

/**
 *  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 of 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);
    }
}

Example 10 with ProviderException

use of org.apache.wiki.api.exceptions.ProviderException in project jspwiki by apache.

the class AtomFeed method getItems.

private Collection getItems() {
    ArrayList<Element> list = new ArrayList<Element>();
    WikiEngine engine = m_wikiContext.getEngine();
    ServletContext servletContext = null;
    if (m_wikiContext.getHttpRequest() != null)
        servletContext = m_wikiContext.getHttpRequest().getSession().getServletContext();
    for (Iterator i = m_entries.iterator(); i.hasNext(); ) {
        Entry e = (Entry) i.next();
        WikiPage p = e.getPage();
        Element entryEl = getElement("entry");
        // 
        // Mandatory elements
        // 
        entryEl.addContent(getElement("id").setText(getEntryID(e)));
        entryEl.addContent(getElement("title").setAttribute("type", "html").setText(e.getTitle()));
        entryEl.addContent(getElement("updated").setText(DateFormatUtils.formatUTC(p.getLastModified(), RFC3339FORMAT)));
        // 
        // Optional elements
        // 
        entryEl.addContent(getElement("author").addContent(getElement("name").setText(e.getAuthor())));
        entryEl.addContent(getElement("link").setAttribute("rel", "alternate").setAttribute("href", e.getURL()));
        entryEl.addContent(getElement("content").setAttribute("type", "html").setText(e.getContent()));
        if (engine.getAttachmentManager().hasAttachments(p) && servletContext != null) {
            try {
                Collection c = engine.getAttachmentManager().listAttachments(p);
                for (Iterator a = c.iterator(); a.hasNext(); ) {
                    Attachment att = (Attachment) a.next();
                    Element attEl = getElement("link");
                    attEl.setAttribute("rel", "enclosure");
                    attEl.setAttribute("href", engine.getURL(WikiContext.ATTACH, att.getName(), null, true));
                    attEl.setAttribute("length", Long.toString(att.getSize()));
                    attEl.setAttribute("type", getMimeType(servletContext, att.getFileName()));
                    entryEl.addContent(attEl);
                }
            } catch (ProviderException ex) {
            // FIXME: log.info("Can't get attachment data",ex);
            }
        }
        list.add(entryEl);
    }
    return list;
}