Merge pull request #311 from codeconsole/gradle-89-compat

Make Gradle 8.9 compatable

src/main/groovy/org/grails/gradle/plugin/web/gsp/GspCompileOptions.groovy

@@ -1,22 +1,30 @@
 package org.grails.gradle.plugin.web.gsp
 
+import org.gradle.api.model.ObjectFactory
 import org.gradle.api.tasks.Input
 import org.gradle.api.tasks.Nested
+import org.gradle.api.tasks.compile.AbstractOptions
 import org.gradle.api.tasks.compile.BaseForkOptions
 import org.gradle.api.tasks.compile.GroovyForkOptions
+import javax.inject.Inject;
 
 /**
-* Presents the Compile Options used by the {@llink GroovyPageForkCompileTask}
-*
-* @author David Estes
-* @since 4.0
-*/
-class GspCompileOptions implements Serializable {
+ * Presents the Compile Options used by the {@llink GroovyPageForkCompileTask}
+ *
+ * @author David Estes
+ * @since 4.0
+ */
+class GspCompileOptions extends AbstractOptions {
     private static final long serialVersionUID = 0L;
 
     @Input
-	String encoding = "UTF-8"
+    String encoding = "UTF-8"
+
+    @Inject
+    protected ObjectFactory getObjectFactory() {
+        throw new UnsupportedOperationException();
+    }
 
     @Nested
-    GroovyForkOptions forkOptions = new GroovyForkOptions()
+    GroovyForkOptions forkOptions = getObjectFactory().newInstance(GroovyForkOptions.class)
 }