Examples with ContentCharsetFinder org.alfresco.repo.content.encoding.ContentCharsetFinder used on opensource projects

Example 1 with ContentCharsetFinder

use of org.alfresco.repo.content.encoding.ContentCharsetFinder in project acs-community-packaging by Alfresco.

the class Repository method guessEncoding.

/**
 * Extract the characterset from the stream
 *
 * @param context       the Faces Context
 * @param is            the stream of characters or data
 * @param mimetype      the stream's mimetype, or <tt>null</tt> if unknown
 * @return              Returns the guessed characterset and never <tt>null</tt>
 */
public static String guessEncoding(FacesContext context, InputStream is, String mimetype) {
    ContentCharsetFinder charsetFinder = getServiceRegistry(context).getMimetypeService().getContentCharsetFinder();
    Charset charset = charsetFinder.getCharset(is, mimetype);
    return charset.name();
}

Example 2 with ContentCharsetFinder

use of org.alfresco.repo.content.encoding.ContentCharsetFinder in project acs-community-packaging by Alfresco.

the class UploadContentServlet method doPut.

/**
 * @see javax.servlet.http.HttpServlet#doPut(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 */
protected void doPut(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    if (logger.isDebugEnabled() == true) {
        String queryString = req.getQueryString();
        logger.debug("Authenticating request to URL: " + req.getRequestURI() + ((queryString != null && queryString.length() > 0) ? ("?" + queryString) : ""));
    }
    AuthenticationStatus status = servletAuthenticate(req, res, false);
    if (status == AuthenticationStatus.Failure || status == AuthenticationStatus.Guest) {
        res.sendError(HttpServletResponse.SC_UNAUTHORIZED);
        return;
    }
    // Tokenise the URI
    String uri = req.getRequestURI();
    uri = uri.substring(req.getContextPath().length());
    StringTokenizer t = new StringTokenizer(uri, "/");
    int tokenCount = t.countTokens();
    // skip servlet name
    t.nextToken();
    // get or calculate the noderef and filename to download as
    NodeRef nodeRef = null;
    String filename = null;
    QName propertyQName = null;
    if (tokenCount == 2) {
        // filename is the only token
        filename = t.nextToken();
    } else if (tokenCount == 4 || tokenCount == 5) {
        // assume 'workspace' or other NodeRef based protocol for remaining URL
        // elements
        StoreRef storeRef = new StoreRef(t.nextToken(), t.nextToken());
        String id = t.nextToken();
        // build noderef from the appropriate URL elements
        nodeRef = new NodeRef(storeRef, id);
        if (tokenCount == 5) {
            // filename is last remaining token
            filename = t.nextToken();
        }
        // get qualified of the property to get content from - default to
        // ContentModel.PROP_CONTENT
        propertyQName = ContentModel.PROP_CONTENT;
        String property = req.getParameter(ARG_PROPERTY);
        if (property != null && property.length() != 0) {
            propertyQName = QName.createQName(property);
        }
    } else {
        logger.debug("Upload URL did not contain all required args: " + uri);
        res.sendError(HttpServletResponse.SC_EXPECTATION_FAILED);
        return;
    }
    // get the services we need to retrieve the content
    ServiceRegistry serviceRegistry = getServiceRegistry(getServletContext());
    ContentService contentService = serviceRegistry.getContentService();
    PermissionService permissionService = serviceRegistry.getPermissionService();
    MimetypeService mimetypeService = serviceRegistry.getMimetypeService();
    NodeService nodeService = serviceRegistry.getNodeService();
    InputStream is = req.getInputStream();
    BufferedInputStream inputStream = new BufferedInputStream(is);
    // Sort out the mimetype
    String mimetype = req.getParameter(ARG_MIMETYPE);
    if (mimetype == null || mimetype.length() == 0) {
        mimetype = MIMETYPE_OCTET_STREAM;
        if (filename != null) {
            MimetypeService mimetypeMap = serviceRegistry.getMimetypeService();
            int extIndex = filename.lastIndexOf('.');
            if (extIndex != -1) {
                String ext = filename.substring(extIndex + 1);
                mimetype = mimetypeService.getMimetype(ext);
            }
        }
    }
    // Get the encoding
    String encoding = req.getParameter(ARG_ENCODING);
    if (encoding == null || encoding.length() == 0) {
        // Get the encoding
        ContentCharsetFinder charsetFinder = mimetypeService.getContentCharsetFinder();
        Charset charset = charsetFinder.getCharset(inputStream, mimetype);
        encoding = charset.name();
    }
    // Get the locale
    Locale locale = I18NUtil.parseLocale(req.getParameter(ARG_LOCALE));
    if (locale == null) {
        locale = I18NUtil.getContentLocale();
        if (nodeRef != null) {
            ContentData contentData = (ContentData) nodeService.getProperty(nodeRef, propertyQName);
            if (contentData != null) {
                locale = contentData.getLocale();
            }
        }
    }
    if (logger.isDebugEnabled()) {
        if (nodeRef != null) {
            logger.debug("Found NodeRef: " + nodeRef.toString());
        }
        logger.debug("For property: " + propertyQName);
        logger.debug("File name: " + filename);
        logger.debug("Mimetype: " + mimetype);
        logger.debug("Encoding: " + encoding);
        logger.debug("Locale: " + locale);
    }
    // Check that the user has the permissions to write the content
    if (permissionService.hasPermission(nodeRef, PermissionService.WRITE_CONTENT) == AccessStatus.DENIED) {
        if (logger.isDebugEnabled() == true) {
            logger.debug("User does not have permissions to wrtie content for NodeRef: " + nodeRef.toString());
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Returning 403 Forbidden error...");
        }
        res.sendError(HttpServletResponse.SC_FORBIDDEN);
        return;
    }
    // Try and get the content writer
    ContentWriter writer = contentService.getWriter(nodeRef, propertyQName, true);
    if (writer == null) {
        if (logger.isDebugEnabled() == true) {
            logger.debug("Content writer cannot be obtained for NodeRef: " + nodeRef.toString());
        }
        res.sendError(HttpServletResponse.SC_EXPECTATION_FAILED);
        return;
    }
    // Set the mimetype, encoding and locale
    writer.setMimetype(mimetype);
    writer.setEncoding(encoding);
    if (locale != null) {
        writer.setLocale(locale);
    }
    // Stream the content into the repository
    writer.putContent(inputStream);
    if (logger.isDebugEnabled() == true) {
        logger.debug("Content details: " + writer.getContentData().toString());
    }
    // Set return status
    res.getWriter().write(writer.getContentData().toString());
    res.flushBuffer();
    if (logger.isDebugEnabled() == true) {
        logger.debug("UploadContentServlet done");
    }
}