HHH-17882 accept a list of warnings to suppress in addSuppressWarningsAnnotation

Signed-off-by: Gavin King <gavin@hibernate.org>

documentation/src/main/asciidoc/userguide/chapters/tooling/modelgen.adoc

@@ -120,5 +120,5 @@ part of the `javac` execution using standard link:{ann-proc-options}[-A] options
 `-AlazyXmlParsing=[true|false]`:: Controls whether the processor should attempt to determine whether any `orm.xml` files have changed.
 `-AaddGeneratedAnnotation=[true|false]`:: Controls whether the processor should add `@jakarta.annotation.Generated` to the generated classes.
 `-addGenerationDate=[true|false]`:: Controls whether the processor should add `@jakarta.annotation.Generated#date`.
-`-addSuppressWarningsAnnotation=[true|false]`:: Controls whether the processor should add `@SuppressWarnings({"deprecation","rawtypes"})` to the generated classes.
+`-addSuppressWarningsAnnotation=[warning[,warning]*|true]`:: A comma-separated list of warnings to suppress, or simply `true` if `@SuppressWarnings({"deprecation","rawtypes"})` should be added to the generated classes.
 

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

@@ -92,7 +92,7 @@ public final class ClassWriter {
 				pw.println( writeGeneratedAnnotation( entity, context ) );
 			}
 			if ( context.addSuppressWarningsAnnotation() ) {
-				pw.println( writeSuppressWarnings() );
+				pw.println( writeSuppressWarnings(context) );
 			}
 			entity.inheritedAnnotations().forEach(pw::println);
 
@@ -200,8 +200,14 @@ public final class ClassWriter {
 		return generatedAnnotation.toString();
 	}
 
-	private static String writeSuppressWarnings() {
+	private static String writeSuppressWarnings(Context context) {
-		return "@SuppressWarnings({\"deprecation\", \"rawtypes\"})";
+		final StringBuilder annotation = new StringBuilder("@SuppressWarnings({");
+		final String[] warnings = context.getSuppressedWarnings();
+		for (int i = 0; i < warnings.length; i++) {
+			if ( i>0 ) annotation.append(", ");
+			annotation.append('"').append(warnings[i]).append('"');
+		}
+		return annotation.append("})").toString();
 	}
 
 	private static String writeScopeAnnotation(Metamodel entity) {

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

@@ -83,7 +83,7 @@ public final class Context {
 	private boolean addNonnullAnnotation = false;
 	private boolean addGeneratedAnnotation = true;
 	private boolean addGenerationDate;
-	private boolean addSuppressWarningsAnnotation;
+	private String[] suppressedWarnings;
 	private boolean addTransactionScopedAnnotation;
 	private AccessType persistenceUnitDefaultAccessType;
 	private boolean generateJakartaDataStaticMetamodel;
@@ -185,11 +185,15 @@ public final class Context {
 	}
 
 	public boolean addSuppressWarningsAnnotation() {
-		return addSuppressWarningsAnnotation;
+		return suppressedWarnings != null;
 	}
 
-	public void setAddSuppressWarningsAnnotation(boolean addSuppressWarningsAnnotation) {
+	public String[] getSuppressedWarnings() {
-		this.addSuppressWarningsAnnotation = addSuppressWarningsAnnotation;
+		return suppressedWarnings;
+	}
+
+	public void setSuppressedWarnings(String[] suppressedWarnings) {
+		this.suppressedWarnings = suppressedWarnings;
 	}
 
 	public boolean addTransactionScopedAnnotation() {

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

@@ -124,7 +124,9 @@ public class HibernateProcessor extends AbstractProcessor {
 	public static final String ADD_GENERATION_DATE = "addGenerationDate";
 
 	/**
-	 * Controls whether {@code @SuppressWarnings({"deprecation","rawtypes"})} should be added to the generated classes
+	 * A comma-separated list of warnings to suppress, or simply {@code true}
+	 * if {@code @SuppressWarnings({"deprecation","rawtypes"})} should be
+	 * added to the generated classes.
 	 */
 	public static final String ADD_SUPPRESS_WARNINGS_ANNOTATION = "addSuppressWarningsAnnotation";
 
@@ -213,7 +215,16 @@ public class HibernateProcessor extends AbstractProcessor {
 
 		context.setAddGenerationDate( parseBoolean( options.get( ADD_GENERATION_DATE ) ) );
 
-		context.setAddSuppressWarningsAnnotation( parseBoolean( options.get( ADD_SUPPRESS_WARNINGS_ANNOTATION ) ) );
+		String suppressedWarnings = options.get( ADD_SUPPRESS_WARNINGS_ANNOTATION );
+		if ( suppressedWarnings != null ) {
+			if ( parseBoolean(suppressedWarnings) ) {
+				// legacy behavior from HHH-12068
+				context.setSuppressedWarnings(new String[] {"deprecation", "rawtypes"});
+			}
+			else {
+				context.setSuppressedWarnings( suppressedWarnings.replace(" ","").split(",") );
+			}
+		}
 
 		return parseBoolean( options.get( FULLY_ANNOTATION_CONFIGURED_OPTION ) );
 	}