Put in the class path:<\/p>\n
The challenge is to bring FXMLLoader and CDI together, because JavaFX is creating naked objects by itself, now they have to be „CDI-aware“.<\/p>\n
package tutego.fx;\r\n\r\nimport java.nio.charset.*;\r\nimport javafx.fxml.FXMLLoader;\r\nimport javafx.util.Callback;\r\nimport javax.enterprise.inject.Instance;\r\nimport javax.enterprise.inject.Produces;\r\nimport javax.inject.Inject;\r\n\r\npublic class FXMLLoaderProducer\r\n{\r\n @Inject\r\n Instance<Object> instance;\r\n\r\n @Produces\r\n public FXMLLoader createLoader()\r\n {\r\n return new FXMLLoader( null, null, null, new Callback<Class<?>, Object>() {\r\n @Override public Object call( Class<?> param ) {\r\n return instance.select( param ).get();\r\n }\r\n }, StandardCharsets.UTF_8 );\r\n }\r\n}<\/pre>\nThat was the hardest part.<\/p>\n
The first regular class has the unique main(String[]) method and it\u2019s a JavaFX application. It starts Weld, the CDI container.<\/p>\n
package tutego.fx;\r\n\r\nimport java.io.IOException;\r\nimport javafx.application.Application;\r\nimport javafx.stage.Stage;\r\nimport org.jboss.weld.environment.se.*;\r\n\r\npublic class Main extends Application\r\n{\r\n private Weld weld;\r\n\r\n public static void main( String[] args )\r\n {\r\n Application.launch( args );\r\n }\r\n\r\n @Override\r\n public void init()\r\n {\r\n weld = new Weld();\r\n }\r\n\r\n @Override\r\n public void start( Stage stage ) throws IOException\r\n {\r\n weld.initialize().instance().select( FxMain.class ).get().start( stage, getParameters() );\r\n }\r\n\r\n @Override\r\n public void stop()\r\n {\r\n weld.shutdown();\r\n }\r\n}<\/pre>\nWeld delegates to the FxMain class, the first CDI-enabled class:<\/p>\n
package tutego.fx;\r\n\r\nimport java.io.*;\r\nimport javafx.application.Application.Parameters;\r\nimport javafx.fxml.FXMLLoader;\r\nimport javafx.scene.*;\r\nimport javafx.stage.Stage;\r\nimport javax.inject.Inject;\r\n\r\npublic class FxMain\r\n{\r\n @Inject\r\n private FXMLLoader fxmlLoader;\r\n\r\n public void start( Stage stage, Parameters parameters ) throws IOException\r\n {\r\n try ( InputStream fxml = RandomController.class.getResourceAsStream( \"\/random.fxml\" ) ) {\r\n Parent root = (Parent) fxmlLoader.load( fxml );\r\n stage.setScene( new Scene( root ) );\r\n stage.show();\r\n }\r\n }\r\n}<\/pre>\nThe injected FXMLLoader now has to load the FXML-file random.fxml:<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n\r\n<?import java.lang.*?>\r\n<?import javafx.scene.control.*?>\r\n<?import javafx.scene.layout.*?>\r\n<?import javafx.scene.text.*?>\r\n\r\n<VBox xmlns:fx=\"http:\/\/javafx.com\/fxml\" fx:controller=\"tutego.fx.RandomController\">\r\n <children>\r\n <Button onAction=\"#onButtonClick\" text=\"Next random\" \/>\r\n <Label id=\"text\" fx:id=\"label\" \/>\r\n <\/children>\r\n<\/VBox><\/pre>\nIn the FXML-file there is a reference to the FX Controller. JavaFX has to load it and can make the injections with the help of our very first class. A regular service is getting injected into the controller:<\/p>\n
package tutego.fx;\r\n\r\nimport javafx.fxml.FXML;\r\nimport javafx.scene.control.Label;\r\nimport javax.inject.Inject;\r\n\r\npublic class RandomController\r\n{\r\n @FXML\r\n private Label label;\r\n\r\n @Inject\r\n private RandomService randomService;\r\n\r\n @FXML\r\n public void onButtonClick()\r\n {\r\n label.setText( \"Random \" + randomService.nextInt() );\r\n }\r\n}<\/pre>\nThe service itself is a simple singleton:<\/p>\n
package tutego.fx;\r\n\r\nimport java.util.Random;\r\nimport javax.inject.Singleton;\r\n\r\n@Singleton\r\npublic class RandomService\r\n{\r\n private Random rnd = new Random();\r\n\r\n public int nextInt()\r\n {\r\n return rnd.nextInt();\r\n }\r\n}<\/pre>\nThats it!<\/p>\n
PS: When you start, dont forget to put a (even blank) beans.xml<\/em> in META-INF<\/em>.<\/p>\n","protected":false},"excerpt":{"rendered":"Put in the class path: http:\/\/mvnrepository.com\/artifact\/javax.enterprise\/cdi-api http:\/\/mvnrepository.com\/artifact\/org.jboss.weld\/weld-core\/ http:\/\/mvnrepository.com\/artifact\/org.jboss.weld.se\/weld-se\/ The challenge is to bring FXMLLoader and CDI together, because JavaFX is creating naked objects by itself, now they have to be „CDI-aware“. package tutego.fx; import java.nio.charset.*; import javafx.fxml.FXMLLoader; import javafx.util.Callback; import javax.enterprise.inject.Instance; import javax.enterprise.inject.Produces; import javax.inject.Inject; public class FXMLLoaderProducer { @Inject Instance<Object> instance; @Produces public FXMLLoader […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[62],"tags":[81,65],"class_list":["post-2478","post","type-post","status-publish","format-standard","hentry","category-javafx","tag-cdi","tag-weld"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/2478","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/comments?post=2478"}],"version-history":[{"count":2,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/2478\/revisions"}],"predecessor-version":[{"id":2485,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/2478\/revisions\/2485"}],"wp:attachment":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/media?parent=2478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/categories?post=2478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/tags?post=2478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}