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Dropwizard/Guice integration bundle Core

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/**
 * dropwizard-guice-box
 * Copyright 2018-2019 Graham Crockford
 *
 * 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.gruelbox.tools.dropwizard.guice.services;

import java.util.Set;

import javax.inject.Inject;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.common.util.concurrent.Service;
import com.gruelbox.tools.dropwizard.guice.EnvironmentInitialiser;

import io.dropwizard.setup.Environment;

class GuiceServicesEnvironment implements EnvironmentInitialiser {

  private static final Logger LOGGER = LoggerFactory.getLogger(GuiceServicesEnvironment.class);

  @Inject private Set services;

  @Override
  public void init(Environment environment) {
    services.stream()
      .peek(t -> LOGGER.debug("Starting service {}", t))
      .map(ManagedServiceTask::new)
      .forEach(environment.lifecycle()::manage);
  }
}