com.codeheadsystems.oop.mock.dagger.OopConfigurationModule Maven / Gradle / Ivy

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/*
 *    Copyright (c) 2022 Ned Wolpert 
 *
 *    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 com.codeheadsystems.oop.mock.dagger;

import com.codeheadsystems.oop.ImmutableOopMockConfiguration;
import com.codeheadsystems.oop.OopMockConfiguration;
import com.codeheadsystems.oop.mock.converter.JsonConverter;
import com.codeheadsystems.oop.mock.manager.ResourceLookupManager;
import dagger.Module;
import dagger.Provides;
import javax.inject.Singleton;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


/**
 * The type Oop configuration module.
 */
@Module
public class OopConfigurationModule {

  /**
   * The constant CONFIGURATION_FILENAME.
   */
  public static final String CONFIGURATION_FILENAME = "oopMockConfiguration.json";
  private static final Logger LOGGER = LoggerFactory.getLogger(OopConfigurationModule.class);
  private final String configurationFileName;
  private final OopMockConfiguration configuration;

  /**
   * Instantiates a new Oop configuration module.
   */
  public OopConfigurationModule() {
    this(CONFIGURATION_FILENAME);
  }

  /**
   * Instantiates a new Oop configuration module.
   *
   * @param configurationName the configuration name
   */
  public OopConfigurationModule(final String configurationName) {
    this.configurationFileName = configurationName;
    this.configuration = null;
  }

  /**
   * Instantiates a new Oop configuration module.
   *
   * @param configuration the configuration
   */
  public OopConfigurationModule(final OopMockConfiguration configuration) {
    this.configuration = configuration;
    this.configurationFileName = null;
  }

  /**
   * Configuration oop mock configuration.
   *
   * @param manager   the manager
   * @param converter the converter
   * @return the oop mock configuration
   */
  @Provides
  @Singleton
  public OopMockConfiguration configuration(final ResourceLookupManager manager,
                                            final JsonConverter converter) {
    if (configuration != null) {
      return configuration;
    }
    return manager.inputStream(configurationFileName)
        .map(is -> converter.convert(is, OopMockConfiguration.class))
        .orElseGet(this::defaultOopMockConfiguration);
  }

  private OopMockConfiguration defaultOopMockConfiguration() {
    LOGGER.warn("No configuration found, using default disabled configuration");
    return ImmutableOopMockConfiguration.builder().build();
  }
}