| /* |
| * Copyright (c) 2010, 2012 JBoss, Inc. and others |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| */ |
| package org.eclipse.bpel.ui.adapters; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.bpel.model.adapters.AbstractStatefulAdapter; |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.emf.common.notify.Notification; |
| |
| /** |
| * This class was created out of the duplicated code in a bunch of activity adapters. |
| * It manages the markers list and ensures that duplicate markers are not added to |
| * the list, and that only valid markers are returned. |
| * |
| * @see https://bugs.eclipse.org/bugs/show_bug.cgi?id=330813 |
| * @see https://jira.jboss.org/browse/JBIDE-7526 |
| * @author Bob Brodt |
| * @date Nov 9, 2010 |
| */ |
| public class MarkerHolderAdapter extends AbstractStatefulAdapter implements IMarkerHolder, AdapterNotification { |
| |
| private class UniqueMarkers extends ArrayList<IMarker> { |
| |
| // prevent duplicate marker IDs from being added to the list |
| @Override |
| public boolean add(IMarker e) { |
| for (int i=0; i<size(); ++i) { |
| IMarker m = get(i); |
| if (m.getId() == e.getId()) |
| return false; |
| } |
| return super.add(e); |
| } |
| |
| } |
| |
| /** |
| * @see org.eclipse.bpel.model.adapters.AbstractAdapter#notifyChanged(org.eclipse.emf.common.notify.Notification) |
| */ |
| @Override |
| public void notifyChanged(Notification notification) { |
| super.notifyChanged(notification); |
| switch (notification.getEventType()) { |
| case NOTIFICATION_MARKERS_STALE : |
| fMarkers.clear(); |
| break; |
| case NOTIFICATION_MARKER_ADDED : |
| fMarkers.add ( (IMarker) notification.getNewValue() ); |
| break; |
| case NOTIFICATION_MARKER_DELETED : |
| fMarkers.remove ( notification.getOldValue() ); |
| break; |
| } |
| } |
| |
| UniqueMarkers fMarkers = new UniqueMarkers(); |
| |
| static IMarker [] EMPTY_MARKERS = {}; |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.bpel.ui.adapters.IMarkerHolder#getMarkers(java.lang.Object) |
| */ |
| public IMarker[] getMarkers (Object object) { |
| |
| if (fMarkers.size() == 0) { |
| return EMPTY_MARKERS; |
| } |
| |
| UniqueMarkers removed = new UniqueMarkers(); |
| for (IMarker m : fMarkers) { |
| if (!m.exists()) |
| removed.add(m); |
| } |
| |
| fMarkers.removeAll(removed); |
| |
| return fMarkers.toArray( EMPTY_MARKERS ); |
| } |
| } |