private VirtualFileSystemEntry applyEvent(@NotNull VFileEvent event) { try { if (event instanceof VFileCreateEvent) { final VFileCreateEvent createEvent = (VFileCreateEvent) event; return executeCreateChild(createEvent.getParent(), createEvent.getChildName()); } else if (event instanceof VFileDeleteEvent) { final VFileDeleteEvent deleteEvent = (VFileDeleteEvent) event; executeDelete(deleteEvent.getFile()); } else if (event instanceof VFileContentChangeEvent) { final VFileContentChangeEvent contentUpdateEvent = (VFileContentChangeEvent) event; executeTouch( contentUpdateEvent.getFile(), contentUpdateEvent.isFromRefresh(), contentUpdateEvent.getModificationStamp()); } else if (event instanceof VFileCopyEvent) { final VFileCopyEvent copyEvent = (VFileCopyEvent) event; return executeCreateChild(copyEvent.getNewParent(), copyEvent.getNewChildName()); } else if (event instanceof VFileMoveEvent) { final VFileMoveEvent moveEvent = (VFileMoveEvent) event; executeMove(moveEvent.getFile(), moveEvent.getNewParent()); } else if (event instanceof VFilePropertyChangeEvent) { final VFilePropertyChangeEvent propertyChangeEvent = (VFilePropertyChangeEvent) event; if (VirtualFile.PROP_NAME.equals(propertyChangeEvent.getPropertyName())) { executeRename(propertyChangeEvent.getFile(), (String) propertyChangeEvent.getNewValue()); } else if (VirtualFile.PROP_WRITABLE.equals(propertyChangeEvent.getPropertyName())) { executeSetWritable( propertyChangeEvent.getFile(), ((Boolean) propertyChangeEvent.getNewValue()).booleanValue()); } else if (VirtualFile.PROP_HIDDEN.equals(propertyChangeEvent.getPropertyName())) { executeSetHidden( propertyChangeEvent.getFile(), ((Boolean) propertyChangeEvent.getNewValue()).booleanValue()); } else if (VirtualFile.PROP_SYMLINK_TARGET.equals(propertyChangeEvent.getPropertyName())) { executeSetTarget( propertyChangeEvent.getFile(), (String) propertyChangeEvent.getNewValue()); } } } catch (Exception e) { // Exception applying single event should not prevent other events from applying. LOG.error(e); } return null; }
@Override public void before(@NotNull final List<? extends VFileEvent> events) { cleanContainerCaches(); List<VirtualFilePointer> toFireEvents = new ArrayList<VirtualFilePointer>(); List<String> toUpdateUrl = new ArrayList<String>(); synchronized (VirtualFilePointerManagerImpl.this) { for (VFileEvent event : events) { if (event instanceof VFileDeleteEvent) { final VFileDeleteEvent deleteEvent = (VFileDeleteEvent) event; String url = deleteEvent.getFile().getPath(); addPointersUnder(url, true, toFireEvents); } else if (event instanceof VFileCreateEvent) { final VFileCreateEvent createEvent = (VFileCreateEvent) event; String url = createEvent.getPath(); addPointersUnder(url, false, toFireEvents); } else if (event instanceof VFileCopyEvent) { final VFileCopyEvent copyEvent = (VFileCopyEvent) event; String url = copyEvent.getNewParent().getPath() + "/" + copyEvent.getFile().getName(); addPointersUnder(url, false, toFireEvents); } else if (event instanceof VFileMoveEvent) { final VFileMoveEvent moveEvent = (VFileMoveEvent) event; List<VirtualFilePointer> pointers = new ArrayList<VirtualFilePointer>(); addPointersUnder(moveEvent.getFile().getPath(), false, pointers); for (VirtualFilePointer pointer : pointers) { VirtualFile file = pointer.getFile(); if (file != null) { toUpdateUrl.add(file.getPath()); } } } else if (event instanceof VFilePropertyChangeEvent) { final VFilePropertyChangeEvent change = (VFilePropertyChangeEvent) event; if (VirtualFile.PROP_NAME.equals(change.getPropertyName())) { List<VirtualFilePointer> pointers = new ArrayList<VirtualFilePointer>(); addPointersUnder(change.getFile().getPath(), false, pointers); for (VirtualFilePointer pointer : pointers) { VirtualFile file = pointer.getFile(); if (file != null) { toUpdateUrl.add(file.getPath()); } } } } } myEvents = new ArrayList<EventDescriptor>(); for (VirtualFilePointerListener listener : myUrlToPointerMaps.keySet()) { if (listener == null) continue; EventDescriptor event = new EventDescriptor(listener, toFireEvents); myEvents.add(event); } } for (EventDescriptor event : myEvents) { event.fireBefore(); } if (!toFireEvents.isEmpty()) { VirtualFilePointer[] arr = toFireEvents.toArray(new VirtualFilePointer[toFireEvents.size()]); myBus.syncPublisher(VirtualFilePointerListener.TOPIC).beforeValidityChanged(arr); } myPointersToUpdate = toFireEvents; myUrlsToUpdate = toUpdateUrl; }
@Override public void before(@NotNull final List<? extends VFileEvent> events) { List<FilePointerPartNode> toFireEvents = new ArrayList<FilePointerPartNode>(); List<FilePointerPartNode> toUpdateUrl = new ArrayList<FilePointerPartNode>(); VirtualFilePointer[] toFirePointers; synchronized (this) { incModificationCount(); for (VFileEvent event : events) { if (event instanceof VFileDeleteEvent) { final VFileDeleteEvent deleteEvent = (VFileDeleteEvent) event; addPointersUnder(deleteEvent.getFile(), false, "", toFireEvents); } else if (event instanceof VFileCreateEvent) { final VFileCreateEvent createEvent = (VFileCreateEvent) event; addPointersUnder(createEvent.getParent(), true, createEvent.getChildName(), toFireEvents); } else if (event instanceof VFileCopyEvent) { final VFileCopyEvent copyEvent = (VFileCopyEvent) event; addPointersUnder( copyEvent.getNewParent(), true, copyEvent.getFile().getName(), toFireEvents); } else if (event instanceof VFileMoveEvent) { final VFileMoveEvent moveEvent = (VFileMoveEvent) event; VirtualFile eventFile = moveEvent.getFile(); addPointersUnder(moveEvent.getNewParent(), true, eventFile.getName(), toFireEvents); List<FilePointerPartNode> nodes = new ArrayList<FilePointerPartNode>(); addPointersUnder(eventFile, false, "", nodes); for (FilePointerPartNode pair : nodes) { VirtualFile file = pair.leaf.getFile(); if (file != null) { toUpdateUrl.add(pair); } } } else if (event instanceof VFilePropertyChangeEvent) { final VFilePropertyChangeEvent change = (VFilePropertyChangeEvent) event; if (VirtualFile.PROP_NAME.equals(change.getPropertyName())) { VirtualFile eventFile = change.getFile(); VirtualFile parent = eventFile.getParent(); // e.g. for LightVirtualFiles addPointersUnder(parent, true, change.getNewValue().toString(), toFireEvents); List<FilePointerPartNode> nodes = new ArrayList<FilePointerPartNode>(); addPointersUnder(eventFile, false, "", nodes); for (FilePointerPartNode pair : nodes) { VirtualFile file = pair.leaf.getFile(); if (file != null) { toUpdateUrl.add(pair); } } } } } myEvents = new ArrayList<EventDescriptor>(); toFirePointers = toPointers(toFireEvents); for (final VirtualFilePointerListener listener : myPointers.keySet()) { if (listener == null) continue; List<VirtualFilePointer> filtered = ContainerUtil.filter( toFirePointers, new Condition<VirtualFilePointer>() { @Override public boolean value(VirtualFilePointer pointer) { return ((VirtualFilePointerImpl) pointer).getListener() == listener; } }); if (!filtered.isEmpty()) { EventDescriptor event = new EventDescriptor( listener, filtered.toArray(new VirtualFilePointer[filtered.size()])); myEvents.add(event); } } } for (EventDescriptor descriptor : myEvents) { descriptor.fireBefore(); } if (!toFireEvents.isEmpty()) { myBus.syncPublisher(VirtualFilePointerListener.TOPIC).beforeValidityChanged(toFirePointers); } myPointersToFire = toFireEvents; myPointersToUpdateUrl = toUpdateUrl; }