content: /*
   * MIT License
   *
   * Copyright (c) 2020 Alen Turkovic
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  package com.github.alturkovic.lock.interval;
  
  import com.github.alturkovic.lock.Interval;
  import lombok.AllArgsConstructor;
  import org.springframework.beans.factory.config.ConfigurableBeanFactory;
  import org.springframework.util.StringUtils;
  
  /**
   * {@link IntervalConverter} capable of resolving properties.
   */
  @AllArgsConstructor
  public class BeanFactoryAwareIntervalConverter implements IntervalConverter {
    private final ConfigurableBeanFactory beanFactory;
  
    @Override
    public long toMillis(final Interval interval) {
      return convertToMilliseconds(interval, resolveMilliseconds(interval));
    }
  
    private String resolveMilliseconds(final Interval interval) {
      final String value = beanFactory.resolveEmbeddedValue(interval.value());
      if (!StringUtils.hasText(value)) {
        throw new IllegalArgumentException("Cannot convert interval " + interval + " to milliseconds");
      }
      return value;
    }
  
    private long convertToMilliseconds(final Interval interval, final String value) {
      try {
        return interval.unit().toMillis(Long.parseLong(value));
      } catch (final NumberFormatException e) {
        throw new IllegalArgumentException("Cannot convert interval " + interval + " to milliseconds", e);
      }
    }
  }
  