/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.lucene.analysis.util; import java.io.IOException; import java.io.InputStream; /** * Abstraction for loading resources (streams, files, and classes). */ public interface ResourceLoader { /** * Opens a named resource */ public InputStream openResource(String resource) throws IOException; /** * Finds class of the name and expected type */ public <T> Class<? extends T> findClass(String cname, Class<T> expectedType); /** * Creates an instance of the name and expected type */ // TODO: fix exception handling public <T> T newInstance(String cname, Class<T> expectedType); }