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/*******************************************************************************
* 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.runtime.QualifiedName;
/**
* Abstract class that, when given a project session key,
* will provide the instance of OUTPUT to use, or no result
* <p>
* Users need only set the project session property with the key and OUTPUT instance
* @param <OUTPUT>
*/
public abstract class TestableProjectFactoryStrategy<OUTPUT> implements ISimpleStrategy<IProject, OUTPUT> {
private QualifiedName _key;
/**
* @param testableFactorySessionKey - project property session key for property value holding testable instance
*/
public TestableProjectFactoryStrategy(final QualifiedName testableFactorySessionKey) {
_key = testableFactorySessionKey;
}
public OUTPUT perform(final IProject project) throws Exception {
if (_key != null && project != null) {
final Object factory = project.getSessionProperties().get(_key);
if (factory != null)
return (OUTPUT)factory;
}
return getNoResult();
}
public OUTPUT getNoResult() {
return null;
}
}
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