| /******************************************************************************* |
| * Copyright (c) 2003, 2006 IBM Corporation 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 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| /* |
| * Created on Feb 26, 2004 |
| * |
| * To change the template for this generated file go to Window>Preferences>Java>Code |
| * Generation>Code and Comments |
| */ |
| package org.eclipse.wst.common.internal.emfworkbench.edit; |
| |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.wst.common.frameworks.internal.AbstractRegistryDescriptor; |
| import org.eclipse.wst.common.internal.emf.utilities.Assert; |
| import org.eclipse.wst.common.internal.emfworkbench.EMFWorkbenchEditResourceHandler; |
| import org.eclipse.wst.common.internal.emfworkbench.integration.EMFWorkbenchEditPlugin; |
| |
| |
| public class AdapterFactoryDescriptor extends AbstractRegistryDescriptor implements Comparable { |
| |
| private String packageURI = null; |
| private String id = null; |
| private Set viewIDs = null; |
| private final int loadOrder; |
| private static int loadOrderCounter = 0; |
| |
| public AdapterFactoryDescriptor(IConfigurationElement element) { |
| super(element); |
| |
| packageURI = element.getAttribute(AdapterFactoryRegistry.PACKAGE_URI); |
| id = element.getAttribute(AdapterFactoryRegistry.ID); |
| Assert.isNotNull(packageURI, EMFWorkbenchEditResourceHandler.AdapterFactoryDescriptor_ERROR_0); |
| Assert.isNotNull(id, EMFWorkbenchEditResourceHandler.getString(EMFWorkbenchEditResourceHandler.AdapterFactoryDescriptor_ERROR_1, new Object[]{element.getDeclaringExtension().getNamespace()})); |
| |
| readViewIDs(); |
| this.loadOrder = loadOrderCounter++; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.lang.Object#toString() |
| */ |
| @Override |
| public String toString() { |
| StringBuffer sb = new StringBuffer(); |
| sb.append("AdapterFactoryDescriptor"); //$NON-NLS-1$ |
| sb.append('['); |
| sb.append(packageURI); |
| sb.append(",p"); //$NON-NLS-1$ |
| sb.append(getPriority()); |
| if (viewIDs != null && !viewIDs.isEmpty()) { |
| sb.append(':'); |
| boolean first = true; |
| Iterator iter = viewIDs.iterator(); |
| while (iter.hasNext()) { |
| if (!first) |
| sb.append(','); |
| first = false; |
| sb.append(iter.next()); |
| } |
| } |
| sb.append(']'); |
| return sb.toString(); |
| } |
| |
| private void readViewIDs() { |
| viewIDs = new HashSet(3); |
| IConfigurationElement[] children = element.getChildren(AdapterFactoryRegistry.VIEW); |
| if (children == null || children.length == 0) |
| return; |
| |
| String viewID = null; |
| for (int i = 0; i < children.length; i++) { |
| viewID = children[i].getAttribute(AdapterFactoryRegistry.ID); |
| if (viewID != null) |
| viewIDs.add(viewID); |
| } |
| } |
| |
| public AdapterFactory createInstance() { |
| if (element == null) |
| return null; |
| |
| AdapterFactory factory = null; |
| try { |
| factory = (AdapterFactory) element.createExecutableExtension(AdapterFactoryRegistry.CLASS_NAME); |
| } catch (CoreException e) { |
| EMFWorkbenchEditPlugin.logError(e); |
| } |
| return factory; |
| } |
| |
| |
| public String getPackageURI() { |
| return packageURI; |
| } |
| |
| public Set getViewIDs() { |
| return viewIDs; |
| } |
| |
| public boolean appliesTo(String viewID) { |
| return viewIDs.isEmpty() || viewIDs.contains(viewID); |
| } |
| |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.lang.Comparable#compareTo(java.lang.Object) |
| */ |
| public int compareTo(Object o) { |
| if (this == o) |
| return 0; |
| if (!(o instanceof AdapterFactoryDescriptor)) |
| return 1; |
| AdapterFactoryDescriptor desc = (AdapterFactoryDescriptor) o; |
| |
| int pCompare = getPriority() - desc.getPriority(); |
| if (pCompare != 0) |
| //We have reverse the sorting of the priority for the adapter factories |
| return -pCompare; |
| |
| //The group is the same - in this case the one for a specific view has precedence over |
| //a generic one |
| else if (viewIDs != null && !viewIDs.isEmpty()) |
| return -1; |
| else |
| return 1; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.common.frameworks.internal.AbstractRegistryDescriptor#getID() |
| */ |
| @Override |
| public String getID() { |
| return id; |
| } |
| |
| |
| /** |
| * @return Returns the loadOrder. |
| */ |
| public int getLoadOrder() { |
| return loadOrder; |
| } |
| } |