add addJavaDependencies api to sources

generators/java/generators/build-tool/generator.ts

@@ -21,7 +21,7 @@ import BaseApplicationGenerator from '../../../base-application/index.js';
 import { GENERATOR_GRADLE, GENERATOR_MAVEN } from '../../../generator-list.js';
 import type { MavenDependency } from '../../../maven/types.js';
 import { javaScopeToGradleScope } from '../../support/index.js';
-import type { JavaDependency } from '../../types.js';
+import type { ConditionalJavaDefinition, JavaDependency, JavaNeedleOptions } from '../../types.js';
 
 const { GRADLE, MAVEN } = buildToolTypes;
 
@@ -132,6 +132,23 @@ export default class BuildToolGenerator extends BaseApplicationGenerator {
             }
           }
         };
+
+        source.addJavaDefinitions = (
+          optionsOrDefinition: JavaNeedleOptions | ConditionalJavaDefinition,
+          ...definitions: ConditionalJavaDefinition[]
+        ) => {
+          let options: JavaNeedleOptions | undefined = undefined;
+          if ('gradleFile' in optionsOrDefinition || 'gradleVersionCatalogFile' in optionsOrDefinition) {
+            options = optionsOrDefinition;
+          } else {
+            definitions.unshift(optionsOrDefinition as ConditionalJavaDefinition);
+          }
+          for (const definition of definitions) {
+            if (definition.condition ?? true) {
+              source.addJavaDefinition!(definition, options);
+            }
+          }
+        };
       },
     });
   }

generators/java/types.d.ts

@@ -67,13 +67,19 @@ export type JavaApplication = BaseApplication &
     addOpenapiGeneratorPlugin: boolean;
   };
 
+export type ConditionalJavaDefinition = JavaDefinition & { condition?: boolean };
+
 export type JavaSourceType = {
   /**
    * Add a JavaDefinition to the application.
    * A version requires a valid version otherwise it will be ignored.
    * A dependency with versionRef requires a valid referenced version at `versions` otherwise it will be ignored.
    */
   addJavaDefinition?(definition: JavaDefinition, options?: JavaNeedleOptions): void;
+  addJavaDefinitions?(
+    optionsOrDefinition: JavaNeedleOptions | ConditionalJavaDefinition,
+    ...definitions: ConditionalJavaDefinition[]
+  ): void;
   addJavaDependencies?(dependency: JavaDependency[], options?: JavaNeedleOptions): void;
   hasJavaProperty?(propertyName: string): boolean;
   hasJavaManagedProperty?(propertyName: string): boolean;