NotificationServiceApplication.java

package com.piggymetrics.notification;

import com.piggymetrics.notification.repository.converter.FrequencyReaderConverter;
import com.piggymetrics.notification.repository.converter.FrequencyWriterConverter;
import feign.RequestInterceptor;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.netflix.feign.EnableFeignClients;
import org.springframework.cloud.security.oauth2.client.feign.OAuth2FeignRequestInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.mongodb.core.convert.CustomConversions;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.oauth2.client.DefaultOAuth2ClientContext;
import org.springframework.security.oauth2.client.OAuth2RestTemplate;
import org.springframework.security.oauth2.client.token.grant.client.ClientCredentialsResourceDetails;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableOAuth2Client;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;

import java.util.Arrays;

@SpringBootApplication
@EnableDiscoveryClient
@EnableResourceServer
@EnableOAuth2Client
@EnableFeignClients
@EnableGlobalMethodSecurity(prePostEnabled = true)
@EnableConfigurationProperties
@EnableScheduling
public class NotificationServiceApplication {

	public static void main(String[] args) {
		SpringApplication.run(NotificationServiceApplication.class, args);
	}

	@Bean
	@ConfigurationProperties(prefix = "security.oauth2.client")
	public ClientCredentialsResourceDetails clientCredentialsResourceDetails() {
		return new ClientCredentialsResourceDetails();
	}

	@Bean
	public RequestInterceptor oauth2FeignRequestInterceptor(){
		return new OAuth2FeignRequestInterceptor(new DefaultOAuth2ClientContext(), clientCredentialsResourceDetails());
	}

	@Bean
	public OAuth2RestTemplate clientCredentialsRestTemplate() {
		return new OAuth2RestTemplate(clientCredentialsResourceDetails());
	}

	@Configuration
	static class CustomConversionsConfig {

		@Bean
		public CustomConversions customConversions() {
			return new CustomConversions(Arrays.asList(new FrequencyReaderConverter(),
					new FrequencyWriterConverter()));
		}
	}
}