HHH-18945 Simplified org.hibernate.processor.util.TypeUtils#getGeneratedClassFullyQualifiedName

Author: cigaly

tooling/metamodel-generator/src/main/java/org/hibernate/processor/util/TypeUtils.java

@@ -4,6 +4,7 @@
  */
 package org.hibernate.processor.util;
 
+import jakarta.persistence.AccessType;
 import org.checkerframework.checker.nullness.qual.Nullable;
 import org.hibernate.processor.Context;
 import org.hibernate.processor.MetaModelGenerationException;
@@ -29,17 +30,12 @@
 import javax.lang.model.util.Elements;
 import javax.lang.model.util.SimpleTypeVisitor8;
 import javax.tools.Diagnostic;
-
-import jakarta.persistence.AccessType;
-
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.function.Function;
-import java.util.stream.Collectors;
 
 import static java.beans.Introspector.decapitalize;
 import static org.hibernate.processor.util.AccessTypeInformation.DEFAULT_ACCESS_TYPE;
@@ -675,13 +671,14 @@ public static boolean isMemberType(Element element) {
 	}
 
 	public static String getGeneratedClassFullyQualifiedName(TypeElement element, String packageName, boolean jakartaDataStyle) {
-		final String packageNamePrefix = !packageName.isEmpty() ? packageName + "." : "";
-		final String className = Arrays.stream(
-						element.getQualifiedName().toString().substring( packageNamePrefix.length() ).split( "\\." ) )
-				.map( StringUtil::removeDollar )
-				.map( part -> jakartaDataStyle ? '_' + part : part + '_' )
-				.collect( Collectors.joining( "." ) );
-		return packageNamePrefix + className;
+		final StringBuilder builder = new StringBuilder( !packageName.isEmpty() ? packageName + "." : "" );
+		final int length = builder.length();
+		for ( String s : element.getQualifiedName().toString()
+				.substring( length ).split( "\\." ) ) {
+			String part = StringUtil.removeDollar( s );
+			builder.append( jakartaDataStyle ? '_' + part : part + '_' );
+		}
+		return builder.toString();
 	}
 
 	static class EmbeddedAttributeVisitor extends SimpleTypeVisitor8<@Nullable TypeElement, Element> {