/******************************************************************************* * Copyright (c) 2008, 2014 Stuart McCulloch * 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: * Stuart McCulloch - initial API and implementation *******************************************************************************/ package org.eclipse.sisu.peaberry.util.decorators; import org.eclipse.sisu.peaberry.Import; import org.eclipse.sisu.peaberry.builders.ImportDecorator; /** * An {@link ImportDecorator} that applies decorators in a chain, right-left. * * @author mcculls@gmail.com (Stuart McCulloch) */ public final class DecoratorChain<S> implements ImportDecorator<S> { private final ImportDecorator<S>[] decorators; public DecoratorChain(final ImportDecorator<S>... decorators) { this.decorators = decorators.clone(); } public <T extends S> Import<T> decorate(final Import<T> service) { Import<T> decoratedService = service; for (int i = decorators.length - 1; 0 <= i; i--) { decoratedService = decorators[i].decorate(decoratedService); } return decoratedService; } }