关于spring.factories的常用配置项说明

public static List<String> loadFactoryNames(Class<?> factoryType, @Nullable ClassLoader classLoader)

public static <T> List<T> loadFactories(Class<T> factoryType, @Nullable ClassLoader classLoader)

org.springframework.cloud.bootstrap.BootstrapConfiguration=\ xxxxxx.configure.config.ApplicationConfigure

public class ApplicationConfigure {

    @Bean
    @ConditionalOnMissingBean({CoreConfigPropertySourceLocator.class})
    public CoreConfigPropertySourceLocator configLocalPropertySourceLocator() {
        return new CoreConfigPropertySourceLocator();
    }
}

public class CoreConfigPropertySourceLocator implements PropertySourceLocator {
.....
}

org.springframework.context.ApplicationContextInitializer=\
xxxxxx.config.TestApplicationContextInitializer

public class TestApplicationContextInitializer implements ApplicationContextInitializer<ConfigurableApplicationContext> {
 
    @Override
    public void initialize(ConfigurableApplicationContext applicationContext) {
        System.out.println("TestApplicationContextInitializer.initialize() " + applicationContext);
    }
 
}

org.springframework.context.ApplicationListener=\
xxxxxxx.factories.listener.TestApplicationListener

@Slf4j
public class TestApplicationListener implements ApplicationListener<TestMessageEvent> {
 
    @Override
    public void onApplicationEvent(EmailMessageEvent event) {
        log.info("模拟消息事件... ");
        log.info("TestApplicationListener 接受到的消息：{}", event.getContent());
    }
}

org.springframework.boot.autoconfigure.AutoConfigurationImportListener=\
xxxx.config.TestAutoConfigurationImportListener

public class TestAutoConfigurationImportListener implements AutoConfigurationImportListener {
    @Override
    public void onAutoConfigurationImportEvent(AutoConfigurationImportEvent event) {
        System.out.println("TestAutoConfigurationImportListener.onAutoConfigurationImportEvent() " + event);
    }
}

org.springframework.boot.autoconfigure.AutoConfigurationImportFilter=\
xxxxxx.config.TestConfigurationCondition

public class TestConfigurationCondition implements AutoConfigurationImportFilter {

    @Override
    public boolean[] match(String[] autoConfigurationClasses, AutoConfigurationMetadata autoConfigurationMetadata) {
        System.out.println("TestConfigurationCondition.match() autoConfigurationClasses=" +  Arrays.toString(autoConfigurationClasses) + ", autoConfigurationMetadata=" + autoConfigurationMetadata);
        return new boolean[0];
    }
}

org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
xxxxx.config.TestConfiguration

@Configuration
public class MyConfiguration {
 
    public MyConfiguration() {
        System.out.println("MyConfiguration()");
    }

    @Bean
    public Testbean testbean(){
        return new Testbean()
    }
    
    //注册过滤器
     @Bean
    public TestFilter testFilter(){
        return new TestFilter()
    }
 
}

org.springframework.boot.diagnostics.FailureAnalyzer=\
xxxxx.config.TestFailureAnalyzer

/**
 * 自定义错误分析器
 */
public class TestFailureAnalyzer implements FailureAnalyzer {
 
    @Override
    public FailureAnalysis analyze(Throwable failure) {
        System.out.println("TestFailureAnalyzer.analyze() failure=" + failure);
        return new FailureAnalysis("TestFailureAnalyzer execute", "test spring.factories", failure);
    }
 
}

org.springframework.boot.autoconfigure.template.TemplateAvailabilityProvider=\
xxxxx.config.TestTemplateAvailabilityProvider

/**
 * 验证指定的模板是否支持
 */
public class TestTemplateAvailabilityProvider implements TemplateAvailabilityProvider {
 
    @Override
    public boolean isTemplateAvailable(String view, Environment environment, ClassLoader classLoader, ResourceLoader resourceLoader) {
        System.out.println("TestTemplateAvailabilityProvider.isTemplateAvailable() view=" + view + ", environment=" + environment + ", classLoader=" + classLoader + "resourceLoader=" + resourceLoader);
        return false;
    }

}

package com.zhong.spring.demo.demo_7_springfactories;


public interface DemoService {
    void printName();
}


package com.zhong.spring.demo.demo_7_springfactories;

import lombok.extern.slf4j.Slf4j;
import org.springframework.core.io.support.SpringFactoriesLoader;
import org.springframework.stereotype.Service;

import javax.annotation.PostConstruct;
import java.util.List;


@Slf4j
@Service
public class DemoServiceFactory {
        @PostConstruct
        public void printService(){
            List<String> serviceNames = SpringFactoriesLoader.loadFactoryNames(DemoService.class,null);
            for (String serviceName:serviceNames){
                log.info("name:" + serviceName);
            }

            List<DemoService> services = SpringFactoriesLoader.loadFactories(DemoService.class,null);
            for (DemoService demoService:services){
                demoService.printName();
            }
        }
}

package com.zhong.spring.usuldemo.impl;

import com.zhong.spring.demo.demo_7_springfactories.DemoService;
import lombok.extern.slf4j.Slf4j;


@Slf4j
public class DemoServiceImpl1 implements DemoService {
    @Override
    public void printName() {
        log.info("-----------DemoServiceImpl2------------");
    }
}


import com.zhong.spring.demo.demo_7_springfactories.DemoService;
import lombok.extern.slf4j.Slf4j;


@Slf4j
public class DemoServiceImpl2 implements DemoService {
    @Override
    public void printName() {
        log.info("-----------DemoServiceImpl2------------");
    }
}

com.zhong.spring.demo.demo_7_springfactories.DemoService=\
com.zhong.spring.usuldemo.impl.DemoServiceImpl1,\
com.zhong.spring.usuldemo.impl.DemoServiceImpl2