MongoAutoConfiguration

/* * Copyright (c) 2015. Bond(China), java freestyle app */package com.jfa.data.mongodb;import com.mongodb.Mongo;import com.mongodb.MongoClient;import com.mongodb.MongoClientOptions;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;import org.springframework.boot.context.properties.EnableConfigurationProperties;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import javax.annotation.PreDestroy;import java.net.UnknownHostException;@Configuration@ConditionalOnClass({Mongo.class, MongoClient.class})@EnableConfigurationProperties(MongoProperties.class)@ConditionalOnMissingBean(type = "org.springframework.data.mongodb.MongoDbFactory")public class MongoAutoConfiguration {    @Autowired    private MongoProperties mongoProperties;    @Autowired(required = false)    private MongoClientOptions options;    private Mongo mongo;    @PreDestroy    public void close() {        if (this.mongo != null) {            this.mongo.close();        }    }    @Bean    @ConditionalOnMissingBean    public Mongo mongo() throws UnknownHostException {        this.mongo = this.mongoProperties.createMongoClient(this.options);        return this.mongo;    }    public String getDateBase() {        return this.mongoProperties.getDatabase();    }}