package org.apache.solr.core;
/**
* 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.
*/
import java.io.File;
import java.io.IOException;
import org.apache.lucene.store.Directory;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.util.plugin.NamedListInitializedPlugin;
/**
* Provides access to a Directory implementation.
*
*/
public abstract class DirectoryFactory implements NamedListInitializedPlugin {
/**
* Opens a Lucene directory
*
* @throws IOException
*/
public abstract Directory open(String path) throws IOException;
public boolean exists(String path) {
// back compat behavior
File dirFile = new File(path);
return dirFile.canRead();
}
public void init(NamedList args) {
}
}