| /******************************************************************************* |
| * Copyright (c) 2009, 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.e4.core.services.internal.context; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import javax.inject.Provider; |
| import org.eclipse.e4.core.services.injector.AbstractObjectSupplier; |
| import org.eclipse.e4.core.services.injector.IInjector; |
| import org.eclipse.e4.core.services.injector.IObjectDescriptor; |
| |
| public class ProviderImpl<T> implements Provider<T> { |
| |
| final private AbstractObjectSupplier objectProvider; |
| final private IObjectDescriptor objectDescriptor; |
| final private IInjector injector; |
| |
| public ProviderImpl(IObjectDescriptor descriptor, IInjector injector, |
| AbstractObjectSupplier provider) { |
| objectDescriptor = descriptor; |
| objectProvider = provider; |
| this.injector = injector; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public T get() { |
| try { |
| return (T) injector.make(objectDescriptor, objectProvider); |
| } catch (ClassCastException e) { |
| return null; |
| } catch (InvocationTargetException e) { |
| // TBD add proper logging |
| e.printStackTrace(); |
| return null; |
| } catch (InstantiationException e) { |
| // TBD add proper logging |
| e.printStackTrace(); |
| return null; |
| } |
| } |
| |
| } |