/*******************************************************************************
* Copyright 2015 Software Evolution and Architecture Lab, University of Zurich
*
* Licensed 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 eu.cloudwave.wp5.feedback.eclipse.base.infrastructure.config;
import com.google.common.base.Optional;
/**
* Provides methods to access properties (key/value pairs) from a property file.
*/
public interface ConfigLoader {
/**
* Loads the value for the given key from the property file.
*
* @param path
* the path to the property file
* @param key
* key of the property
* @return value of the property or {@link Optional#absent()} if the property could not be loaded
*/
public Optional<String> get(String path, final String key);
}