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/** * <a href="http://www.openolat.org"> * OpenOLAT - Online Learning and Training</a><br> * <p> * Licensed under the Apache License, Version 2.0 (the "License"); <br> * you may not use this file except in compliance with the License.<br> * You may obtain a copy of the License at the * <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a> * <p> * Unless required by applicable law or agreed to in writing,<br> * software distributed under the License is distributed on an "AS IS" BASIS, <br> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br> * See the License for the specific language governing permissions and <br> * limitations under the License. * <p> * Initial code contributed and copyrighted by<br> * frentix GmbH, http://www.frentix.com * <p> */package org.olat.modules.webFeed.portfolio;import java.io.InputStream;import org.olat.core.gui.UserRequest;import org.olat.core.gui.components.Component;import org.olat.core.gui.components.date.DateComponentFactory;import org.olat.core.gui.components.velocity.VelocityContainer;import org.olat.core.gui.control.Event;import org.olat.core.gui.control.WindowControl;import org.olat.core.gui.control.controller.BasicController;import org.olat.core.util.StringHelper;import org.olat.core.util.filter.Filter;import org.olat.core.util.filter.FilterFactory;import org.olat.core.util.vfs.VFSContainer;import org.olat.core.util.vfs.VFSContainerMapper;import org.olat.core.util.vfs.VFSItem;import org.olat.core.util.vfs.VFSLeaf;import org.olat.core.util.xml.XStreamHelper;import org.olat.modules.portfolio.Media;import org.olat.modules.portfolio.MediaRenderingHints;import org.olat.modules.portfolio.manager.PortfolioFileStorage;import org.olat.modules.portfolio.ui.MediaMetadataController;import org.olat.modules.webFeed.Item;import org.olat.modules.webFeed.model.ItemImpl;import org.springframework.beans.factory.annotation.Autowired;import com.thoughtworks.xstream.XStream;/** * * Description:<br> * Read-only view for a blog entry * * <P> * Initial Date: 3 déc. 2010 <br> * @author srosse, [email protected], http://www.frentix.com */public class BlogEntryMediaController extends BasicController { private static final XStream xstream = XStreamHelper.createXStreamInstance(); static { XStreamHelper.allowDefaultPackage(xstream); xstream.alias("item", ItemImpl.class); } @Autowired private PortfolioFileStorage fileStorage; public BlogEntryMediaController(UserRequest ureq, WindowControl wControl, Media media, MediaRenderingHints hints) { super(ureq, wControl); VelocityContainer mainVC = createVelocityContainer("media_post"); if (StringHelper.containsNonWhitespace(media.getStoragePath())) { VFSContainer container = fileStorage.getMediaContainer(media); VFSItem item = container.resolve(media.getRootFilename()); if(item instanceof VFSLeaf) { VFSLeaf itemLeaf = (VFSLeaf)item; try(InputStream in = itemLeaf.getInputStream()) { Item blogItem = (ItemImpl)xstream.fromXML(in); if(blogItem.getDate() != null) { DateComponentFactory.createDateComponentWithYear("dateComp", blogItem.getDate(), mainVC); } String content = blogItem.getContent(); if (!StringHelper.containsNonWhitespace(content)) { content = blogItem.getDescription(); } mainVC.contextPut("content", content); mainVC.contextPut("readOnlyMode", Boolean.TRUE); mainVC.contextPut("item", blogItem); String mapperBase = registerMapper(ureq, new VFSContainerMapper(container)); mainVC.contextPut("helper", new ItemHelper(mapperBase)); if(hints.isExtendedMetadata()) { MediaMetadataController metaCtrl = new MediaMetadataController(ureq, wControl, media); listenTo(metaCtrl); mainVC.put("meta", metaCtrl.getInitialComponent()); } } catch(Exception ex) { logError("", ex); } } } putInitialPanel(mainVC); } @Override protected void doDispose() { // } @Override protected void event(UserRequest ureq, Component source, Event event) { // } public class ItemHelper { private final String baseUri; public ItemHelper(String baseUri) { this.baseUri = baseUri; } public String getItemContentForBrowser(Item item) { String itemContent = item.getContent(); if (itemContent != null) { //Add relative media base to media elements to display internal media files Filter mediaUrlFilter = FilterFactory.getBaseURLToMediaRelativeURLFilter(baseUri); itemContent = mediaUrlFilter.filter(itemContent); } return itemContent; } public String getItemDescriptionForBrowser(Item item) { String itemDescription = item.getDescription(); if (itemDescription != null) { //Add relative media base to media elements to display internal media files Filter mediaUrlFilter = FilterFactory.getBaseURLToMediaRelativeURLFilter(baseUri); itemDescription = mediaUrlFilter.filter(itemDescription); } return itemDescription; } }} |