/* * This program is free software; you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software * Foundation. * * You should have received a copy of the GNU Lesser General Public License along with this * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html * or from the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Lesser General Public License for more details. * * Copyright (c) 2000 - 2011 Pentaho Corporation and Contributors... * All rights reserved. */ package org.pentaho.reporting.libraries.base.boot; public interface ObjectFactory { /** * Retrieves an instance of a Pentaho BI Server API interface using the simple interface name (interfaceClass name * without the package) as the object key. If an appropriate implementation does not exist the factory implementation * should create it. * * @param interfaceClass the type of object to retrieve (retrieved object will be returned as this type) * @return the implementation object typed to interfaceClass, never null. * @throws ObjectFactoryException if the object is undefined. */ public <T> T get( Class<T> interfaceClass ); /** * Retrieves an instance of a Pentaho BI Server API interface by the given object key. If an appropriate * implementation does not exist the factory implementation should create it. * * @param interfaceClass the type of object to retrieve (retrieved object will be returned as this type) * @param key the object identifier, typically the interface name * @return the implementation object typed to interfaceClass, never null. * @throws ObjectFactoryException if the object is undefined. */ public <T> T get( Class<T> interfaceClass, String key ); }