| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, 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 |
| * |
| * Contributors: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.meta.internal; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtension; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.jst.pagedesigner.IJMTConstants; |
| import org.eclipse.jst.pagedesigner.PDPlugin; |
| import org.eclipse.jst.pagedesigner.meta.IAttributeCellEditorFactory; |
| |
| /** |
| * Read the registry to find out all the CellEditorFactory. |
| * |
| * @author mengbo |
| */ |
| public class CellEditorFacRegistryReader { |
| static IAttributeCellEditorFactory[] _factories = null; |
| |
| public static synchronized IAttributeCellEditorFactory[] getAllFactories() { |
| if (_factories == null) { |
| _factories = readAllFactories(); |
| } |
| return _factories; |
| |
| } |
| |
| private static IAttributeCellEditorFactory[] readAllFactories() { |
| List result = new ArrayList(); |
| IExtensionPoint extensionPoint = Platform.getExtensionRegistry() |
| .getExtensionPoint(PDPlugin.getPluginId(), |
| IJMTConstants.EXTENSION_POINT_PAGEDESIGNER); |
| IExtension[] extensions = extensionPoint.getExtensions(); |
| |
| for (int i = 0; i < extensions.length; i++) { |
| IExtension ext = extensions[i]; |
| IConfigurationElement[] facs = ext.getConfigurationElements(); |
| |
| for (int j = 0; j < facs.length; j++) { |
| if (facs[j].getName().equals( |
| IJMTConstants.ATTRIBUTE_CELLEDITOR_FACTORY)) { |
| facs[j].getAttribute("class"); |
| Object obj; |
| try { |
| obj = facs[j].createExecutableExtension("class"); |
| |
| if (obj instanceof IAttributeCellEditorFactory) { |
| result.add(obj); |
| } |
| } catch (CoreException e) { |
| // ignore the exception |
| e.printStackTrace(); |
| } |
| } |
| } |
| } |
| IAttributeCellEditorFactory[] ret = new IAttributeCellEditorFactory[result |
| .size()]; |
| result.toArray(ret); |
| return ret; |
| } |
| |
| } |