利用Spring插件实现策略模式的案例详解

 <dependency>
            <groupId>org.springframework.plugin</groupId>
            <artifactId>spring-plugin-core</artifactId>
            <version>2.0.0.RELEASE<version>
        </dependency>

@Data
@AllArgsConstructor
@NoArgsConstructor
@Builder
public class SmsRequest implements Serializable {
    private Map<String,Object> metaDatas;
    private String to;
    private String message;
    private SmsType smsType;
}

public interface SmsPlugin extends Plugin<SmsRequest> {
    SmsResponse sendSms(SmsRequest smsRequest);
}

@EnablePluginRegistries(SmsPlugin.class)
@Configuration
public class SmsPluginActiveConfig {
}

@Component
public class AliyunSmsPlugin implements SmsPlugin {
    @Override
    public SmsResponse sendSms(SmsRequest smsRequest) {
        System.out.println("来自阿里云短信：" + smsRequest);
        return SmsResponse.builder()
                .code("200").message("发送成功")
                .success(true).result("阿里云短信的回执").build();
    }
    @Override
    public boolean supports(SmsRequest smsRequest) {
        return SmsType.ALIYUN == smsRequest.getSmsType();
    }
}

@RequiredArgsConstructor
public class SmsService {
    private final PluginRegistry<SmsPlugin,SmsRequest> pluginRegistry;
    public SmsResponse sendSms(SmsRequest smsRequest){
        Optional<SmsPlugin> smsPlugin = pluginRegistry.getPluginFor(smsRequest);
        return smsPlugin.orElseThrow(() -> new SmsException("Sms plugin is not binder with type : 【" + smsRequest.getSmsType() + "】"))
                .sendSms(smsRequest);
    }
}

 @Test
    public void testAliyunSms(){
        SmsRequest smsRequest = SmsRequest.builder()
                .message("模拟使用阿里云短信发送")
                .to("136000000001")
                .smsType(SmsType.ALIYUN)
                .build();
        SmsResponse smsResponse = smsService.sendSms(smsRequest);
        Assert.assertTrue(smsResponse.isSuccess());
        System.out.println(smsResponse);
    }