@Override public void validate(String setting, String value) throws Exception { try { // it's ok to clear the value if (StringUtils.isEmpty(value)) return; // simply calls pattern.compile().. if it's invalid, then pattern // will // throw an exception Pattern.compile(value); } catch (Exception e) { Loggers.LOG.warn("Regex Validation Failed for setting: " + setting + "; value: " + value, e); throw e; } }
protected List<IMediaResource> decorate(List<IMediaResource> originalChildren) { // TODO: If our children is a LazyList, then what? // ie, online videos are lazy, so we need to load a single "waiting" // item until the // the items are loaded. We also, need to ensure that we can reload this // list once all items // are loaded. We could add a "wait" here, but that defeats the purpose // of using a lazy list // the goal is only force a list to load once you actually get() the // first item try { String parentTitle = null; if (getParent() != null) parentTitle = getParent().getTitle(); String title = getTitle(); ElapsedTimer timer = new ElapsedTimer(); Loggers.VFS_LOG.debug( "Begin Decoring View Items for: " + title + "; in " + parentTitle + " Original Size: " + originalChildren.size()); if (Loggers.VFS_LOG.isDebugEnabled()) { StringBuffer sb = new StringBuffer(); sb.append( "\nBefore Decorating Folder: " + title + "; in " + parentTitle + "; Items: " + originalChildren.size() + "\n"); for (IMediaResource r : originalChildren) { sb.append(" + " + r.getTitle()); if (r instanceof IMediaFolder) sb.append(" (Folder)"); sb.append("\n"); } sb.append("\n\n"); Loggers.VFS_LOG.debug(sb); } List<IMediaResource> set = new ArrayList<IMediaResource>(); Map<String, GroupNameMediaFolder> groups = new LinkedHashMap<String, GroupNameMediaFolder>(); boolean grouping = presentation.hasGroupers(); for (IMediaResource r : originalChildren) { if (set.contains(r)) { Loggers.VFS_LOG.warn("Set already contains " + r + " so it will not be added again."); continue; } if (presentation.canAccept(r)) { if (r instanceof IMediaFolder) { Loggers.VFS_LOG.debug("Adding subfolder: " + r.getTitle() + " to " + title); set.add(newViewFolder(factory, level + 1, this, (IMediaFolder) r)); } else if (r instanceof IMediaFile) { if (!grouping) { Loggers.VFS_LOG.debug("Adding Non Grouped Item: " + r.getTitle() + " to " + title); // if we are not grouping, the just add it if (!set.add(newViewItem(this, (IMediaFile) getItem(r)))) { log.warn( "Failed to add duplicate item to the view; item: " + r + "; view: " + title); } } else { boolean grouped = false; List<String> groupNames = presentation.getGroupNames(r); if (groupNames != null && groupNames.size() > 0) { for (String groupName : groupNames) { if (!StringUtils.isEmpty(groupName)) { String groupKey = createGroupKey(groupName); GroupNameMediaFolder mf = groups.get(groupKey); if (mf == null) { Loggers.VFS_LOG.info( "Creating Group Folder: " + groupName + " in " + title + " for " + r.getTitle()); mf = new GroupNameMediaFolder(this, groupName); groups.put(groupKey, mf); } grouped = true; Loggers.VFS_LOG.debug( "Adding Resourse: " + r.getTitle() + " to group: " + groupName); mf.addMediaResource(r); } } } if (!grouped) { Loggers.VFS_LOG.warn( "No Group Name for: " + r.getTitle() + "; Adding as a top level item"); // groupname return null, just add this as a // toplevel item set.add(newViewItem(this, (IMediaFile) getItem(r))); } } } else { Loggers.LOG.warn("ViewFolder cannot handle media type: " + r); } } } // transfer our grouped items to the set if (groups.size() > 0) { boolean pruning = presentation.isPruningSingleItems(); for (IMediaResource r : groups.values()) { if (r instanceof IMediaFolder) { IMediaFolder f = (IMediaFolder) r; if (pruning && f.getChildren().size() == 1) { IMediaResource ch = f.getChildren().get(0); if (ch instanceof IMediaFolder) { set.add(newViewFolder(factory, level + 1, this, (IMediaFolder) ch)); } else { set.add(newViewItem(this, (IMediaFile) ch)); } } else { set.add(newViewFolder(factory, level + 1, this, (IMediaFolder) r)); } } else { set.add(newViewFolder(factory, level + 1, this, (IMediaFolder) r)); } } } if (Loggers.VFS_LOG.isDebugEnabled()) { StringBuffer sb = new StringBuffer(); sb.append( "\nAfter Decorating Folder: " + title + "; in " + parentTitle + "; Items: " + set.size() + "\n"); for (IMediaResource r : set) { sb.append(" + " + r.getTitle()); if (r instanceof IMediaFolder) sb.append(" (Folder)"); sb.append("\n"); } sb.append("\n\n"); Loggers.VFS_LOG.debug(sb); } if (presentation.hasSorters()) { Loggers.VFS_LOG.debug("Sorting View Items"); presentation.sort(set); } Loggers.VFS_LOG.info( "End Decoring View Items for: " + getTitle() + "; in " + parentTitle + "; Time: " + timer.delta() + "ms"); return new ArrayList<IMediaResource>(set); } catch (Throwable t) { log.warn("Failed to create ViewFolder for: " + getTitle(), t); return new ArrayList<IMediaResource>(); } }