diff --git a/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/BeanFactoryDynamicAutowireService.java b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/BeanFactoryDynamicAutowireService.java new file mode 100644 index 0000000000..4ad4420489 --- /dev/null +++ b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/BeanFactoryDynamicAutowireService.java @@ -0,0 +1,27 @@ +package com.baeldung.dynamic.autowire; + +import org.springframework.beans.factory.BeanFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Service; + +@Service +public class BeanFactoryDynamicAutowireService { + private static final String SERVICE_NAME_SUFFIX = "regionService"; + private final BeanFactory beanFactory; + + @Autowired + public BeanFactoryDynamicAutowireService(BeanFactory beanFactory) { + this.beanFactory = beanFactory; + } + + public boolean isServerActive(String isoCountryCode, int serverId) { + RegionService service = beanFactory.getBean(getRegionServiceBeanName(isoCountryCode), RegionService.class); + + return service.isServerActive(serverId); + } + + private String getRegionServiceBeanName(String isoCountryCode) { + return isoCountryCode + SERVICE_NAME_SUFFIX; + } + +} diff --git a/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/CustomMapFromListDynamicAutowireService.java b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/CustomMapFromListDynamicAutowireService.java new file mode 100644 index 0000000000..e04c345d51 --- /dev/null +++ b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/CustomMapFromListDynamicAutowireService.java @@ -0,0 +1,26 @@ +package com.baeldung.dynamic.autowire; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Service; + +import java.util.List; +import java.util.Map; +import java.util.function.Function; +import java.util.stream.Collectors; + +@Service +public class CustomMapFromListDynamicAutowireService { + private final Map servicesByCountryCode; + + @Autowired + public CustomMapFromListDynamicAutowireService(List regionServices) { + servicesByCountryCode = regionServices.stream() + .collect(Collectors.toMap(RegionService::getISOCountryCode, Function.identity())); + } + + public boolean isServerActive(String isoCountryCode, int serverId) { + RegionService service = servicesByCountryCode.get(isoCountryCode); + + return service.isServerActive(serverId); + } +} diff --git a/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/DynamicAutowireConfig.java b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/DynamicAutowireConfig.java new file mode 100644 index 0000000000..256bd9b495 --- /dev/null +++ b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/DynamicAutowireConfig.java @@ -0,0 +1,9 @@ +package com.baeldung.dynamic.autowire; + +import org.springframework.context.annotation.ComponentScan; +import org.springframework.context.annotation.Configuration; + +@Configuration +@ComponentScan("com.baeldung.dynamic.autowire") +public class DynamicAutowireConfig { +} diff --git a/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/GBRegionService.java b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/GBRegionService.java new file mode 100644 index 0000000000..8c6a1372d4 --- /dev/null +++ b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/GBRegionService.java @@ -0,0 +1,16 @@ +package com.baeldung.dynamic.autowire; + +import org.springframework.stereotype.Service; + +@Service("GBregionService") +public class GBRegionService implements RegionService { + @Override + public boolean isServerActive(int serverId) { + return false; + } + + @Override + public String getISOCountryCode() { + return "GB"; + } +} diff --git a/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/RegionService.java b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/RegionService.java new file mode 100644 index 0000000000..a2caf38ab3 --- /dev/null +++ b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/RegionService.java @@ -0,0 +1,7 @@ +package com.baeldung.dynamic.autowire; + +public interface RegionService { + boolean isServerActive(int serverId); + + String getISOCountryCode(); +} diff --git a/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/USRegionService.java b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/USRegionService.java new file mode 100644 index 0000000000..a2d5f47553 --- /dev/null +++ b/spring-core-4/src/main/java/com/baeldung/dynamic/autowire/USRegionService.java @@ -0,0 +1,16 @@ +package com.baeldung.dynamic.autowire; + +import org.springframework.stereotype.Service; + +@Service("USregionService") +public class USRegionService implements RegionService { + @Override + public boolean isServerActive(int serverId) { + return true; + } + + @Override + public String getISOCountryCode() { + return "US"; + } +} diff --git a/spring-core-4/src/test/java/com/baeldung/dynamic/autowire/DynamicAutowireIntegrationTest.java b/spring-core-4/src/test/java/com/baeldung/dynamic/autowire/DynamicAutowireIntegrationTest.java new file mode 100644 index 0000000000..56582ecb66 --- /dev/null +++ b/spring-core-4/src/test/java/com/baeldung/dynamic/autowire/DynamicAutowireIntegrationTest.java @@ -0,0 +1,33 @@ +package com.baeldung.dynamic.autowire; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.test.context.ContextConfiguration; +import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; + +import static org.hamcrest.CoreMatchers.is; +import static org.junit.Assert.assertThat; + +@RunWith(SpringJUnit4ClassRunner.class) +@ContextConfiguration(classes = DynamicAutowireConfig.class) +public class DynamicAutowireIntegrationTest { + + @Autowired + private BeanFactoryDynamicAutowireService beanFactoryDynamicAutowireService; + + @Autowired + private CustomMapFromListDynamicAutowireService customMapFromListDynamicAutowireService; + + @Test + public void givenDynamicallyAutowiredBean_whenCheckingServerInGB_thenServerIsNotActive() { + assertThat(beanFactoryDynamicAutowireService.isServerActive("GB", 101), is(false)); + assertThat(customMapFromListDynamicAutowireService.isServerActive("GB", 101), is(false)); + } + + @Test + public void givenDynamicallyAutowiredBean_whenCheckingServerInUS_thenServerIsActive() { + assertThat(beanFactoryDynamicAutowireService.isServerActive("US", 101), is(true)); + assertThat(customMapFromListDynamicAutowireService.isServerActive("US", 101), is(true)); + } +}