com.github.trang.autoconfigure.context.ApplicationProfileAutoConfiguration Maven / Gradle / Ivy
package com.github.trang.autoconfigure.context;
import static java.util.Collections.emptySet;
import java.util.Objects;
import java.util.Set;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
import org.springframework.boot.context.properties.bind.Bindable;
import org.springframework.boot.context.properties.bind.Binder;
import org.springframework.context.EnvironmentAware;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.ImportSelector;
import org.springframework.core.Ordered;
import org.springframework.core.env.Environment;
import org.springframework.core.type.AnnotationMetadata;
import com.github.trang.autoconfigure.context.ApplicationProfileAutoConfiguration.SpringProfileImportSelector;
/**
* Spring Profile 的自动配置，默认自动加载
*
* 用于需要区分运行环境的配置，做到声明的配置只在当前环境生效
*
* 其实最好是用 exclude 的方式，但是目前还没有想好实现方式，等什么时候把 OverrideAutoConfiguration 的原理看懂了就换了它！
*
* @author trang
*/
@Configuration
@AutoConfigureOrder(Ordered.HIGHEST_PRECEDENCE)
@Import(SpringProfileImportSelector.class)
public class ApplicationProfileAutoConfiguration {
static class SpringProfileImportSelector implements ImportSelector, EnvironmentAware {
private static final String PREFIX = "spring.profiles.configure.includes";
private Set configurations;
@Override
public String[] selectImports(AnnotationMetadata metadata) {
return configurations.stream()
.filter(Objects::nonNull)
.map(String::trim)
.filter(s -> !s.isEmpty())
.toArray(String[]::new);
}
@Override
public void setEnvironment(Environment environment) {
this.configurations = Binder.get(environment)
.bind(PREFIX, Bindable.setOf(String.class))
.orElse(emptySet());
}
}
}