Add support for CNB platform API 0.9

Fixes gh-30566

Author: scottfrederick

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/ApiVersions.java

@@ -17,8 +17,7 @@
 package org.springframework.boot.buildpack.platform.build;
 
 import java.util.Arrays;
-import java.util.List;
-import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 
 import org.springframework.util.StringUtils;
 
@@ -32,8 +31,7 @@ final class ApiVersions {
 	/**
 	 * The platform API versions supported by this release.
 	 */
-	static final ApiVersions SUPPORTED_PLATFORMS = new ApiVersions(ApiVersion.of(0, 3), ApiVersion.of(0, 4),
-			ApiVersion.of(0, 5), ApiVersion.of(0, 6), ApiVersion.of(0, 7), ApiVersion.of(0, 8));
+	static final ApiVersions SUPPORTED_PLATFORMS = ApiVersions.of(0, IntStream.rangeClosed(3, 9));
 
 	private final ApiVersion[] apiVersions;
 
@@ -92,8 +90,12 @@ public String toString() {
 	 * @throws IllegalArgumentException if any values could not be parsed
 	 */
 	static ApiVersions parse(String... values) {
-		List<ApiVersion> versions = Arrays.stream(values).map(ApiVersion::parse).collect(Collectors.toList());
-		return new ApiVersions(versions.toArray(new ApiVersion[] {}));
+		return new ApiVersions(Arrays.stream(values).map(ApiVersion::parse).toArray(ApiVersion[]::new));
+	}
+
+	static ApiVersions of(int major, IntStream minorsInclusive) {
+		return new ApiVersions(
+				minorsInclusive.mapToObj((minor) -> ApiVersion.of(major, minor)).toArray(ApiVersion[]::new));
 	}
 
 }

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/ApiVersionsTests.java

@@ -16,6 +16,8 @@
 
 package org.springframework.boot.buildpack.platform.build;
 
+import java.util.stream.IntStream;
+
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -65,6 +67,12 @@ void findLatestWhenNoneSupportedThrowsException() {
 						"Detected platform API versions '1.3,1.4' are not included in supported versions '1.1,1.2'");
 	}
 
+	@Test
+	void createFromRange() {
+		ApiVersions versions = ApiVersions.of(1, IntStream.rangeClosed(2, 7));
+		assertThat(versions.toString()).isEqualTo("1.2,1.3,1.4,1.5,1.6,1.7");
+	}
+
 	@Test
 	void toStringReturnsString() {
 		assertThat(ApiVersions.parse("1.1", "2.2", "3.3").toString()).isEqualTo("1.1,2.2,3.3");

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/LifecycleTests.java

@@ -161,8 +161,8 @@ void executeWhenPlatformApiNotSupportedThrowsException() throws Exception {
 		given(this.docker.container().create(any(), any())).willAnswer(answerWithGeneratedContainerId());
 		given(this.docker.container().wait(any())).willReturn(ContainerStatus.of(0, null));
 		assertThatIllegalStateException()
-				.isThrownBy(() -> createLifecycle("builder-metadata-unsupported-api.json").execute()).withMessage(
-						"Detected platform API versions '0.2' are not included in supported versions '0.3,0.4,0.5,0.6,0.7,0.8'");
+				.isThrownBy(() -> createLifecycle("builder-metadata-unsupported-api.json").execute())
+				.withMessageContaining("Detected platform API versions '0.2' are not included in supported versions");
 	}
 
 	@Test
@@ -171,8 +171,9 @@ void executeWhenMultiplePlatformApisNotSupportedThrowsException() throws Excepti
 		given(this.docker.container().create(any(), any())).willAnswer(answerWithGeneratedContainerId());
 		given(this.docker.container().wait(any())).willReturn(ContainerStatus.of(0, null));
 		assertThatIllegalStateException()
-				.isThrownBy(() -> createLifecycle("builder-metadata-unsupported-apis.json").execute()).withMessage(
-						"Detected platform API versions '0.1,0.2' are not included in supported versions '0.3,0.4,0.5,0.6,0.7,0.8'");
+				.isThrownBy(() -> createLifecycle("builder-metadata-unsupported-apis.json").execute())
+				.withMessageContaining(
+						"Detected platform API versions '0.1,0.2' are not included in supported versions");
 	}
 
 	@Test