| /******************************************************************************* |
| * Copyright (c) 2010 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 |
| *******************************************************************************/ |
| |
| package org.eclipse.wst.common.frameworks.internal.ui; |
| |
| import org.eclipse.core.expressions.IPropertyTester; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| |
| |
| public class MenuEnablerExtension { |
| |
| public static final String ATT_ID = "id"; //$NON-NLS-1$ |
| public static final String MENU_ENABLER_EXTENSION = "menuenabler"; //$NON-NLS-1$ |
| |
| private String id = null; |
| private IConfigurationElement element; |
| //private IMenuEnabler instance; |
| private IPropertyTester instance; |
| private boolean errorCondition = false; |
| |
| public MenuEnablerExtension(){ |
| super(); |
| } |
| |
| private void init() { |
| id = element.getAttribute(ATT_ID); |
| } |
| |
| /** |
| * @return Returns the id. |
| */ |
| public String getId() { |
| return id; |
| } |
| |
| /** |
| * @param id |
| * The id to set. |
| */ |
| public void setId(String id) { |
| this.id = id; |
| } |
| |
| public MenuEnablerExtension(IConfigurationElement element) { |
| this.element = element; |
| init(); |
| } |
| |
| public IPropertyTester getInstance() { |
| try { |
| if (instance == null && !errorCondition) |
| instance = (IPropertyTester) element.createExecutableExtension("className"); //$NON-NLS-1$ |
| } catch (Throwable e) { |
| errorCondition = true; |
| } |
| return instance; |
| } |
| } |