| /******************************************************************************* |
| * Copyright (c) 2009, 2015 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.e4.core.internal.di; |
| |
| import javax.inject.Provider; |
| import org.eclipse.e4.core.di.IInjector; |
| import org.eclipse.e4.core.di.suppliers.IObjectDescriptor; |
| import org.eclipse.e4.core.di.suppliers.PrimaryObjectSupplier; |
| |
| public class ProviderImpl<T> implements Provider<T> { |
| |
| final private PrimaryObjectSupplier objectProvider; |
| final private IObjectDescriptor objectDescriptor; |
| final private IInjector injector; |
| |
| public ProviderImpl(IObjectDescriptor descriptor, IInjector injector, PrimaryObjectSupplier provider) { |
| objectDescriptor = descriptor; |
| objectProvider = provider; |
| this.injector = injector; |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public T get() { |
| try { |
| return (T) ((InjectorImpl) injector).makeFromProvider(objectDescriptor, objectProvider); |
| } catch (ClassCastException e) { |
| return null; |
| } |
| } |
| |
| } |