diff --git a/spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/value/CollectionProvider.java b/spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/value/CollectionProvider.java new file mode 100644 index 0000000000..fdc1f8ee03 --- /dev/null +++ b/spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/value/CollectionProvider.java @@ -0,0 +1,27 @@ +package com.baeldung.value; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.PropertySource; +import org.springframework.stereotype.Component; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.List; + +@Component +@PropertySource("classpath:values.properties") +public class CollectionProvider { + + private final List values = new ArrayList<>(); + + public Collection getValues() { + return Collections.unmodifiableCollection(values); + } + + @Autowired + public void setValues(@Value("#{'${listOfValues}'.split(',')}") List values) { + this.values.addAll(values); + } +} diff --git a/spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/value/PriorityProvider.java b/spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/value/PriorityProvider.java new file mode 100644 index 0000000000..9d4b105afa --- /dev/null +++ b/spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/value/PriorityProvider.java @@ -0,0 +1,22 @@ +package com.baeldung.value; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.PropertySource; +import org.springframework.stereotype.Component; + +@Component +@PropertySource("classpath:values.properties") +public class PriorityProvider { + + private final String priority; + + @Autowired + public PriorityProvider(@Value("${priority:normal}") String priority) { + this.priority = priority; + } + + public String getPriority() { + return priority; + } +} diff --git a/spring-boot-modules/spring-boot-properties/src/main/resources/values.properties b/spring-boot-modules/spring-boot-properties/src/main/resources/values.properties index c6db5873fb..9c85893d5f 100644 --- a/spring-boot-modules/spring-boot-properties/src/main/resources/values.properties +++ b/spring-boot-modules/spring-boot-properties/src/main/resources/values.properties @@ -1,4 +1,4 @@ value.from.file=Value got from the file -priority=Properties file +priority=high listOfValues=A,B,C valuesMap={key1:'1', key2 : '2', key3 : '3'} \ No newline at end of file diff --git a/spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/value/CollectionProviderIntegrationTest.java b/spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/value/CollectionProviderIntegrationTest.java new file mode 100644 index 0000000000..33552f2e1a --- /dev/null +++ b/spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/value/CollectionProviderIntegrationTest.java @@ -0,0 +1,22 @@ +package com.baeldung.value; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; + +import static org.assertj.core.api.Assertions.assertThat; + +@RunWith(SpringRunner.class) +@SpringBootTest(classes = CollectionProvider.class) +public class CollectionProviderIntegrationTest { + + @Autowired + private CollectionProvider collectionProvider; + + @Test + public void givenPropertyFileWhenSetterInjectionUsedThenValueInjected() { + assertThat(collectionProvider.getValues()).contains("A", "B", "C"); + } +} \ No newline at end of file diff --git a/spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/value/PriorityProviderIntegrationTest.java b/spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/value/PriorityProviderIntegrationTest.java new file mode 100644 index 0000000000..19b5a36ff5 --- /dev/null +++ b/spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/value/PriorityProviderIntegrationTest.java @@ -0,0 +1,22 @@ +package com.baeldung.value; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; + +import static org.assertj.core.api.Assertions.assertThat; + +@RunWith(SpringRunner.class) +@SpringBootTest(classes = PriorityProvider.class) +public class PriorityProviderIntegrationTest { + + @Autowired + private PriorityProvider priorityProvider; + + @Test + public void givenPropertyFileWhenConstructorInjectionUsedThenValueInjected() { + assertThat(priorityProvider.getPriority()).isEqualTo("Properties file"); + } +} \ No newline at end of file