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/*
 * Copyright (C) 2020
 *   Michael Mosmann 
 *
 * 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 de.flapdoodle.os.common.attributes;

import java.util.Optional;

public class SystemPropertyResolver implements AttributeExtractor {
  @Override
  public Optional extract(SystemProperty attribute) {
    return Optional.ofNullable(System.getProperty(attribute.name()));
  }

  @Override public String toString() {
    return getClass().getSimpleName();
  }
}