Refactor Gradle build to declare the type of release (e.g. snapshot, milestone, GA release) using the Spring Build Conventions, io.spring.gradle.convention.Utils class.

build.gradle

@@ -1,9 +1,6 @@
+import io.spring.gradle.convention.Utils
+
 buildscript {
-	ext {
-		snapshotBuild = version.endsWith('SNAPSHOT')
-		releaseBuild = version.endsWith('RELEASE')
-		milestoneBuild = !(releaseBuild || snapshotBuild)
-	}
 	repositories {
 		mavenCentral()
 		gradlePluginPortal()
@@ -54,12 +51,19 @@ subprojects {
 
 description = 'Spring Session for Apache Geode'
 
+// Define dependency version override Gradle Project extension properties.
 //ext['groovy.version'] = "$groovyVersion"
 //ext['spring.version'] = "$springVersion"
 //ext['spring-framework.version'] = "$springVersion"
 //ext['spring-data-bom.version'] = "$springDataBomVersion"
 //ext['spring-session-bom.version'] = "$springSessionBomVersion"
 
+// Define Gradle build in terms of the type of release (e.g. snapshot, milestone or GA release).
+ext.snapshotBuild = Utils.isSnapshot(project)
+ext.milestoneBuild = Utils.isMilestone(project)
+ext.releaseBuild = Utils.isRelease(project)
+
+// Configure the Spring NoHTTP Gradle Plugin.
 nohttp {
 	source.exclude "buildSrc/build/**"
 }