MongoConfig.java

package com.capitalone.dashboard.config;

import java.util.Collections;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.data.mongodb.config.AbstractMongoConfiguration;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

import com.capitalone.dashboard.repository.RepositoryPackage;
import com.mongodb.MongoClient;
import com.mongodb.MongoCredential;
import com.mongodb.ServerAddress;

@Component
@EnableMongoRepositories(basePackageClasses = RepositoryPackage.class)
public class MongoConfig extends AbstractMongoConfiguration {

    @Value("${dbname:dashboard}")
    private String databaseName;
    @Value("${dbhost:localhost}")
    private String host;
    @Value("${dbport:27017}")
    private int port;
    @Value("${dbusername:}")
    private String userName;
    @Value("${dbpassword:}")
    private char[] password;

    @Override
    protected String getDatabaseName() {
        return databaseName;
    }

    @Override
    @Bean
    public MongoClient mongo() throws Exception {
        if (StringUtils.isEmpty(userName)) {
            return new MongoClient(new ServerAddress(host, port));
        }

        MongoCredential mongoCredential = MongoCredential.createMongoCRCredential(userName, databaseName, password);
        return new MongoClient(new ServerAddress(host, port), Collections.singletonList(mongoCredential));
    }

    @Override
    protected String getMappingBasePackage() {
        return "com.capitalone.dashboard.model";
    }

    @Bean
    public MongoTemplate mongoTemplate() throws Exception {
        return new MongoTemplate(mongo(), getDatabaseName());
    }

    @Bean
    public static PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() {
        return new PropertySourcesPlaceholderConfigurer();
    }
}