org.openqa.selenium.grid.config.Config Maven / Gradle / Ivy

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//   http://www.apache.org/licenses/LICENSE-2.0
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package org.openqa.selenium.grid.config;

import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.logging.Logger;

public interface Config {

  Set getSectionNames();

  Set getOptions(String section);

  Optional> getAll(String section, String option);

  default Optional get(String section, String option) {
    return getAll(section, option).map(items -> items.isEmpty() ? null : items.get(0));
  }

  default Optional getInt(String section, String option) {
    return get(section, option).map(Integer::parseInt);
  }

  default Optional getBool(String section, String option) {
    return get(section, option).map(Boolean::parseBoolean);
  }

  default  X getClass(String section, String option, Class typeOfClass, String defaultClazz) {
    String clazz = get(section, option).orElse(defaultClazz);

    // We don't declare a constant on the interface, natch.
    Logger.getLogger(Config.class.getName()).fine(String.format("Creating %s as instance of %s", clazz, typeOfClass));

    try{
      return ClassCreation.callCreateMethod(clazz, typeOfClass, this);
    } catch (ReflectiveOperationException e) {
      throw new IllegalArgumentException("Unable to find class: " + clazz, e);
    }
  }
}