Only expose project type in the HTML UI

While the service can generate a project or a single build file, the
latter option is rarely used in practice. We now filter the available
types so that only "project" format types are kept.

See gh-145

initializr/src/main/groovy/io/spring/initializr/metadata/ServiceCapability.groovy

@@ -18,6 +18,8 @@ package io.spring.initializr.metadata
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties
 import com.fasterxml.jackson.annotation.JsonInclude
+import groovy.transform.AutoClone
+import groovy.transform.AutoCloneStyle
 
 import org.springframework.util.Assert
 
@@ -30,6 +32,7 @@ import org.springframework.util.Assert
  */
 @JsonIgnoreProperties(["default", "all"])
 @JsonInclude(JsonInclude.Include.NON_NULL)
+@AutoClone(style = AutoCloneStyle.COPY_CONSTRUCTOR)
 abstract class ServiceCapability<T> {
 
 	final String id

initializr/src/main/groovy/io/spring/initializr/metadata/TypeCapability.groovy

@@ -16,12 +16,16 @@
 
 package io.spring.initializr.metadata
 
+import groovy.transform.AutoClone
+import groovy.transform.AutoCloneStyle
+
 /**
  * An {@link ServiceCapabilityType#ACTION action} capability.
  *
  * @author Stephane Nicoll
  * @since 1.0
  */
+@AutoClone(style = AutoCloneStyle.COPY_CONSTRUCTOR)
 class TypeCapability extends ServiceCapability<List<Type>> {
 
 	final List<Type> content = []

initializr/src/main/groovy/io/spring/initializr/web/AbstractInitializrController.groovy

@@ -49,7 +49,17 @@ abstract class AbstractInitializrController {
 	protected String renderHome(String templatePath) {
 		def model = [:]
 		model['serviceUrl'] = generateAppUrl()
-		metadataProvider.get().properties.each { model[it.key] = it.value }
+		metadataProvider.get().properties.each {
+			if (it.key.equals('types')) {
+				model['types'] = it.value.clone()
+			} else {
+				model[it.key] = it.value
+			}
+		}
+
+		// Only keep project type
+		model['types'].content.removeAll { t -> !'project'.equals(t.tags['format']) }
+
 		template templatePath, model
 	}
 

initializr/src/test/groovy/io/spring/initializr/web/MainControllerIntegrationTests.groovy

@@ -34,6 +34,7 @@ import static org.hamcrest.CoreMatchers.allOf
 import static org.hamcrest.CoreMatchers.containsString
 import static org.hamcrest.core.IsNot.not
 import static org.junit.Assert.assertEquals
+import static org.junit.Assert.assertFalse
 import static org.junit.Assert.assertNotNull
 import static org.junit.Assert.assertThat
 import static org.junit.Assert.assertTrue
@@ -357,8 +358,6 @@ class MainControllerIntegrationTests extends AbstractInitializrControllerIntegra
 		downloadZip('/starter.zip?style=foo').pomAssert().hasSpringBootStarterDependency('foo')
 	}
 
-	// Existing tests for backward compatibility
-
 	@Test
 	void homeIsForm() {
 		def body = htmlHome()
@@ -405,6 +404,13 @@ class MainControllerIntegrationTests extends AbstractInitializrControllerIntegra
 		assertTrue("Wrong body:\n$body", body.contains('1.2.0.BUILD-SNAPSHOT"'))
 	}
 
+	@Test
+	void homeHasOnlyProjectFormatTypes() {
+		def body = htmlHome()
+		assertTrue 'maven project not found', body.contains('Maven Project')
+		assertFalse 'maven pom type should have been filtered', body.contains('Maven POM')
+	}
+
 	@Test
 	void downloadStarter() {
 		def body = restTemplate.getForObject(createUrl('starter.zip'), byte[])

initializr/src/test/groovy/io/spring/initializr/web/ProjectGenerationSmokeTests.groovy

@@ -17,8 +17,6 @@
 package io.spring.initializr.web
 
 import geb.Browser
-import io.spring.initializr.test.GradleBuildAssert
-import io.spring.initializr.test.PomAssert
 import io.spring.initializr.web.test.HomePage
 import org.junit.After
 import org.junit.Before
@@ -172,33 +170,6 @@ class ProjectGenerationSmokeTests extends AbstractInitializrControllerIntegratio
 		}
 	}
 
-	@Test
-	void createMavenBuild() {
-		toHome {
-			page.type = 'maven-build'
-			page.dependency('data-jpa').click()
-			page.artifactId = 'my-maven-project'
-			page.generateProject.click()
-			at HomePage
-
-			pomAssert().hasArtifactId('my-maven-project')
-					.hasSpringBootStarterDependency('data-jpa')
-		}
-	}
-
-	@Test
-	void createGradleBuild() {
-		toHome {
-			page.type = 'gradle-build'
-			page.javaVersion = '1.6'
-			page.artifactId = 'my-gradle-project'
-			page.generateProject.click()
-			at HomePage
-
-			gradleBuildAssert().hasArtifactId('my-gradle-project').hasJavaVersion('1.6')
-		}
-	}
-
 	@Test
 	void dependencyHiddenAccordingToRange() {
 		toHome { // bur: [1.1.4.RELEASE,1.2.0.BUILD-SNAPSHOT)
@@ -236,14 +207,6 @@ class ProjectGenerationSmokeTests extends AbstractInitializrControllerIntegratio
 		browser
 	}
 
-	private GradleBuildAssert gradleBuildAssert() {
-		new GradleBuildAssert(getArchive('build.gradle').text)
-	}
-
-	private PomAssert pomAssert() {
-		new PomAssert(getArchive('pom.xml').text)
-	}
-
 	private byte[] from(String fileName) {
 		getArchive(fileName).bytes
 	}