| /** |
| * 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.storm.scheduler.utils; |
| |
| import com.google.auto.service.AutoService; |
| import java.net.URI; |
| import java.util.Map; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Factory class for FileConfigLoader. |
| */ |
| @AutoService(IConfigLoaderFactory.class) |
| public class FileConfigLoaderFactory implements IConfigLoaderFactory { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(FileConfigLoaderFactory.class); |
| |
| /** |
| * Create a FileConfigLoader if the scheme of the URI is "file"; else return null. |
| * @param uri The URI which pointing to the config file location. |
| * @param conf The storm configuration. |
| * @return A FileConfigLoader if the scheme is "file"; otherwise, null. |
| */ |
| @Override |
| public IConfigLoader createIfSupported(URI uri, Map<String, Object> conf) { |
| String scheme = uri.getScheme(); |
| if ("file".equalsIgnoreCase(scheme)) { |
| return new FileConfigLoader(conf); |
| } else { |
| LOG.debug("scheme {} not supported in this factory.", scheme); |
| return null; |
| } |
| } |
| } |