Polish

spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeUtils.java

@@ -168,7 +168,6 @@ class TypeUtils {
 		return WRAPPER_TO_PRIMITIVE.get(type.toString());
 	}
 
-
 	/**
 	 * A visitor that extracts the full qualified name of a type, including generic
 	 * information.
@@ -188,21 +187,24 @@ class TypeUtils {
 				return getQualifiedName(enclosingElement) + "$"
 						+ type.asElement().getSimpleName().toString();
 			}
-			StringBuilder sb  = new StringBuilder();
-			sb.append(getQualifiedName(type.asElement()));
+			StringBuilder name = new StringBuilder();
+			name.append(getQualifiedName(type.asElement()));
 			if (!type.getTypeArguments().isEmpty()) {
-				sb.append("<");
-				Iterator<?> it = type.getTypeArguments().iterator();
-				while (it.hasNext()) {
-					sb.append(it.next());
-					if (it.hasNext()) {
-						sb.append(",");
-					}
-				}
-				sb.append(">");
-
+				appendTypeArguments(type, name);
 			}
-			return sb.toString();
+			return name.toString();
+		}
+
+		private void appendTypeArguments(DeclaredType type, StringBuilder name) {
+			name.append("<");
+			Iterator<?> iterator = type.getTypeArguments().iterator();
+			while (iterator.hasNext()) {
+				name.append(iterator.next());
+				if (iterator.hasNext()) {
+					name.append(",");
+				}
+			}
+			name.append(">");
 		}
 
 		@Override
@@ -223,7 +225,7 @@ class TypeUtils {
 			if (enclosingElement != null) {
 				return getQualifiedName(enclosingElement) + "$"
 						+ ((DeclaredType) element.asType()).asElement().getSimpleName()
-						.toString();
+								.toString();
 			}
 			if (element instanceof TypeElement) {
 				return ((TypeElement) element).getQualifiedName().toString();

spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationprocessor/ConfigurationMetadataAnnotationProcessorTests.java

@@ -261,12 +261,12 @@ public class ConfigurationMetadataAnnotationProcessorTests {
 	@Test
 	public void parseArrayConfig() throws Exception {
 		ConfigurationMetadata metadata = compile(SimpleArrayProperties.class);
-		assertThat(metadata).has(Metadata.withGroup("array")
-				.ofType(SimpleArrayProperties.class));
-		assertThat(metadata).has(Metadata.withProperty("array.primitive",
-				"java.lang.Integer[]"));
-		assertThat(metadata).has(Metadata.withProperty("array.simple",
-				"java.lang.String[]"));
+		assertThat(metadata)
+				.has(Metadata.withGroup("array").ofType(SimpleArrayProperties.class));
+		assertThat(metadata)
+				.has(Metadata.withProperty("array.primitive", "java.lang.Integer[]"));
+		assertThat(metadata)
+				.has(Metadata.withProperty("array.simple", "java.lang.String[]"));
 		assertThat(metadata).has(Metadata.withProperty("array.inner",
 				"org.springframework.boot.configurationsample.simple.SimpleArrayProperties$Holder[]"));
 		assertThat(metadata).has(Metadata.withProperty("array.name-to-integer",
@@ -464,8 +464,8 @@ public class ConfigurationMetadataAnnotationProcessorTests {
 	@Test
 	public void wildcardTypes() throws IOException {
 		ConfigurationMetadata metadata = compile(WildcardConfig.class);
-		assertThat(metadata).has(Metadata.withGroup("wildcard")
-				.ofType(WildcardConfig.class));
+		assertThat(metadata)
+				.has(Metadata.withGroup("wildcard").ofType(WildcardConfig.class));
 		assertThat(metadata).has(Metadata.withProperty("wildcard.string-to-number")
 				.ofType("java.util.Map<java.lang.String,? extends java.lang.Number>")
 				.fromSource(WildcardConfig.class));

spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/simple/SimpleCollectionProperties.java

@@ -89,6 +89,7 @@ public class SimpleCollectionProperties {
 
 	public static class Holder<T> {
 
+		@SuppressWarnings("unused")
 		private T target;
 
 		public void setTarget(T target) {