| /******************************************************************************* |
| * Copyright (c) 2010, 2019 IBM Corporation and others. |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.common.internal.strategy; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.QualifiedName; |
| |
| |
| /** |
| * Copy of {@link TestableProjectFactoryStrategy} except that this can accept IResources |
| * |
| * An abstract class that, when given a project resource and a project session key, |
| * will provide the instance of OUTPUT to use, or, |
| * no result will be returned if the resource is not a project. |
| * <p> |
| * Users need only set the project session property with the key and OUTPUT instance |
| * @param <OUTPUT> |
| */ |
| public abstract class TestableResourceFactoryStrategy<OUTPUT> implements ISimpleStrategy<IResource, OUTPUT> { |
| private QualifiedName _key; |
| |
| /** |
| * @param testableFactorySessionKey - project property session key for property value holding testable instance |
| */ |
| public TestableResourceFactoryStrategy(final QualifiedName testableFactorySessionKey) { |
| _key = testableFactorySessionKey; |
| } |
| |
| public OUTPUT perform(final IResource resource) throws Exception { |
| if (_key != null && resource != null) { |
| if (resource instanceof IProject) { |
| final Object factory = ((IProject)resource).getSessionProperties().get(_key); |
| if (factory != null) |
| return (OUTPUT)factory; |
| } |
| } |
| return getNoResult(); |
| } |
| |
| public OUTPUT getNoResult() { |
| return null; |
| } |
| |
| } |