top.tangyh.basic.dozer.DozerAutoConfiguration Maven / Gradle / Ivy
package top.tangyh.basic.dozer;
import com.github.dozermapper.core.Mapper;
import com.github.dozermapper.spring.DozerBeanMapperFactoryBean;
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 java.io.IOException;
/**
* Dozer spring auto configuration.
*
* ConditionalOnClass：该注解的参数对应的类必须存在，否则不解析该注解修饰的配置类；
* ConditionalOnMissingBean：该注解表示，如果存在它修饰的类的bean，则不需要再创建这个bean；
*
* http://dozer.sourceforge.net/documentation/usage.html
* http://www.jianshu.com/p/bf8f0e8aee23
*
* @author zuihou
* @date 2017-11-23 16:27
*/
@Configuration
@ConditionalOnClass({DozerBeanMapperFactoryBean.class, Mapper.class})
@ConditionalOnMissingBean(Mapper.class)
@EnableConfigurationProperties(DozerProperties.class)
public class DozerAutoConfiguration {
private final DozerProperties properties;
/**
* Constructor for creating auto configuration.
*
* @param properties properties
*/
public DozerAutoConfiguration(DozerProperties properties) {
this.properties = properties;
}
@Bean
public DozerUtils getDozerUtils(Mapper mapper) {
return new DozerUtils(mapper);
}
/**
* Creates default Dozer mapper
*
* @return Dozer mapper
* @throws IOException if there is an exception during initialization.
*/
@Bean
public DozerBeanMapperFactoryBean dozerMapper() throws IOException {
DozerBeanMapperFactoryBean factoryBean = new DozerBeanMapperFactoryBean();
factoryBean.setMappingFiles(properties.resolveMapperLocations());
return factoryBean;
}
}