Examples with MediaResource org.olat.core.gui.media.MediaResource used on opensource projects

Example 21 with MediaResource

use of org.olat.core.gui.media.MediaResource in project OpenOLAT by OpenOLAT.

the class ProjectDetailsDisplayController method doFileDelivery.

private void doFileDelivery(UserRequest ureq, final Project project, final CourseEnvironment courseEnv, final CourseNode cNode) {
    // Create a mapper to deliver the auto-download of the file. We have to
    // create a dedicated mapper here
    // and can not reuse the standard briefcase way of file delivering, some
    // very old fancy code
    // Mapper is cleaned up automatically by basic controller
    OlatRootFolderImpl rootFolder = new OlatRootFolderImpl(projectBrokerManager.getAttamchmentRelativeRootPath(project, courseEnv, cNode), null);
    VFSItem item = rootFolder.resolve(project.getAttachmentFileName());
    if (item instanceof VFSLeaf) {
        VFSLeaf attachment = (VFSLeaf) item;
        MediaResource resource = new VFSMediaResource(attachment);
        ureq.getDispatchResult().setResultingMediaResource(resource);
    }
}

Example 22 with MediaResource

use of org.olat.core.gui.media.MediaResource in project OpenOLAT by OpenOLAT.

the class QTI21AssessmentRunController method doDownloadSignature.

private void doDownloadSignature(UserRequest ureq) {
    MediaResource resource = null;
    if (courseNode instanceof IQTESTCourseNode) {
        IQTESTCourseNode testCourseNode = (IQTESTCourseNode) courseNode;
        AssessmentEntry assessmentEntry = testCourseNode.getUserAssessmentEntry(userCourseEnv);
        AssessmentTestSession session = qtiService.getAssessmentTestSession(assessmentEntry.getAssessmentId());
        File signature = qtiService.getAssessmentResultSignature(session);
        if (signature.exists()) {
            resource = new DownloadeableMediaResource(signature);
        }
    }
    if (resource == null) {
        resource = new NotFoundMediaResource();
    }
    ureq.getDispatchResult().setResultingMediaResource(resource);
}

Example 23 with MediaResource

use of org.olat.core.gui.media.MediaResource in project OpenOLAT by OpenOLAT.

the class MessageListController method doDeliverAttachment.

private void doDeliverAttachment(UserRequest ureq, String cmd) {
    MediaResource res = null;
    try {
        int index = cmd.lastIndexOf("_");
        String attachmentPosition = cmd.substring(cmd.indexOf("_") + 1, index);
        String messageKey = cmd.substring(index + 1);
        int position = Integer.parseInt(attachmentPosition);
        Long key = new Long(messageKey);
        for (MessageView view : backupViews) {
            if (view.getKey().equals(key)) {
                List<VFSItem> attachments = view.getAttachments();
                // velocity counter start with 1
                VFSLeaf attachment = (VFSLeaf) attachments.get(position - 1);
                VFSMediaResource fileResource = new VFSMediaResource(attachment);
                // prevent XSS attack
                fileResource.setDownloadable(true);
                res = fileResource;
            }
        }
    } catch (Exception e) {
        logError("Cannot deliver message attachment", e);
    }
    if (res == null) {
        res = new NotFoundMediaResource();
    }
    ureq.getDispatchResult().setResultingMediaResource(res);
}

Example 24 with MediaResource

use of org.olat.core.gui.media.MediaResource in project OpenOLAT by OpenOLAT.

the class PageRunController method doExportBinderAsPdf.

private void doExportBinderAsPdf(UserRequest ureq) {
    MediaResource resource = new ExportBinderAsPDFResource(page, ureq, getLocale());
    ureq.getDispatchResult().setResultingMediaResource(resource);
}

Example 25 with MediaResource

use of org.olat.core.gui.media.MediaResource in project OpenOLAT by OpenOLAT.

the class FeedMediaDispatcher method deliverFile.

/**
 * Dispatch and deliver the requested file given in the path.
 *
 * @param request
 * @param response
 * @param feed
 * @param path
 */
private void deliverFile(HttpServletRequest request, HttpServletResponse response, OLATResourceable feed, Path path) {
    // OLAT-5243 related: deliverFile can last arbitrary long, which can cause the open db connection to timeout and cause errors,
    // hence we need to do an intermediateCommit here
    DBFactory.getInstance().intermediateCommit();
    // Create the resource to be delivered
    MediaResource resource = null;
    FeedManager manager = FeedManager.getInstance();
    if (path.isFeedType()) {
        // Only create feed if modified. Send not modified response else.
        Identity identity = getIdentity(path.getIdentityKey());
        long sinceModifiedMillis = request.getDateHeader("If-Modified-Since");
        Feed feedLight = manager.loadFeed(feed);
        long lastModifiedMillis = -1;
        if (feedLight != null) {
            lastModifiedMillis = feedLight.getLastModified().getTime();
        }
        if (sinceModifiedMillis >= (lastModifiedMillis / 1000L) * 1000L) {
            // Send not modified response
            response.setDateHeader("last-modified", lastModifiedMillis);
            try {
                response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
                return;
            } catch (IOException e) {
                // Send not modified failed
                log.error("Send not modified failed", e);
                return;
            }
        } else {
            resource = manager.createFeedFile(feed, identity, path.getCourseId(), path.getNodeId());
        }
    } else if (path.isItemType()) {
        resource = manager.createItemMediaFile(feed, path.getItemId(), path.getItemFileName());
    } else if (path.isIconType()) {
        Size thumbnailSize = null;
        String thumbnail = request.getParameter("thumbnail");
        if (StringHelper.containsNonWhitespace(thumbnail)) {
            thumbnailSize = Size.parseString(thumbnail);
        }
        VFSLeaf resourceFile = manager.createFeedMediaFile(feed, path.getIconFileName(), thumbnailSize);
        if (resourceFile != null) {
            resource = new VFSMediaResource(resourceFile);
        }
    }
    // Eventually deliver the requested resource
    ServletUtil.serveResource(request, response, resource);
}