org.apache.lucene.analysis.util.ResourceLoader Maven / Gradle / Ivy
/*
* 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 Class extends T> findClass(String cname, Class expectedType);
/**
* Creates an instance of the name and expected type
*/
// TODO: fix exception handling
public T newInstance(String cname, Class expectedType);
}