| /* |
| * Created on Nov 23, 2004 |
| * |
| * TODO To change the template for this generated file go to |
| * Window - Preferences - Java - Code Style - Code Templates |
| */ |
| package org.eclipse.wst.validation.internal; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.jem.util.RegistryReader; |
| import org.eclipse.wst.validation.internal.plugin.ValidationPlugin; |
| |
| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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 |
| *******************************************************************************/ |
| public class ValidationSelectionHandlerRegistryReader extends RegistryReader { |
| |
| public static final String VALIDATION_SELECTION_HANDLER = "validationSelectionHandler"; //$NON-NLS-1$ |
| static final String ATT_ID = "id"; //$NON-NLS-1$ |
| static final String ATT_HANDLER_CLASS = "handlerClass"; //$NON-NLS-1$ |
| static final String ATT_SELECTION_TYPE = "selectionType"; //$NON-NLS-1$ |
| private static ValidationSelectionHandlerRegistryReader INSTANCE = null; |
| private List validationSelectionHandlers = null; |
| |
| /** |
| * Default constructor |
| */ |
| public ValidationSelectionHandlerRegistryReader() { |
| super(ValidationPlugin.PLUGIN_ID, VALIDATION_SELECTION_HANDLER); |
| } |
| |
| public static ValidationSelectionHandlerRegistryReader getInstance() { |
| if (INSTANCE == null) { |
| INSTANCE = new ValidationSelectionHandlerRegistryReader(); |
| INSTANCE.readRegistry(); |
| } |
| return INSTANCE; |
| } |
| |
| |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jem.util.RegistryReader#readElement(org.eclipse.core.runtime.IConfigurationElement) |
| */ |
| public boolean readElement(IConfigurationElement element) { |
| if (!element.getName().equals(VALIDATION_SELECTION_HANDLER)) |
| return false; |
| |
| // String handlerClass = element.getAttribute(ATT_HANDLER_CLASS); |
| String selectionType = element.getAttribute(ATT_SELECTION_TYPE); |
| |
| IValidationSelectionHandler handler = null; |
| try { |
| handler = (IValidationSelectionHandler) element.createExecutableExtension(ATT_HANDLER_CLASS); |
| handler.setValidationTypeString(selectionType); |
| getValidationSelectionHandlers().add(handler); |
| return true; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| return false; |
| } |
| |
| private List getValidationSelectionHandlers() { |
| if (validationSelectionHandlers == null) |
| validationSelectionHandlers = new ArrayList(); |
| return validationSelectionHandlers; |
| } |
| |
| public Object getExtendedType(Object selection) { |
| Object result = null; |
| for (int i=0; i<getValidationSelectionHandlers().size(); i++ ) { |
| IValidationSelectionHandler handler = (IValidationSelectionHandler) getValidationSelectionHandlers().get(i); |
| result = handler.getBaseValidationType(selection); |
| if (result != null) |
| break; |
| } |
| return result; |
| } |
| } |