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package at.ac.tuwien.sepm.assignment.groupphase.util;
import java.io.IOException;
import java.io.InputStream;
import javafx.fxml.FXMLLoader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;
/**
* A Spring Based FXMLLoader.
*
* <p>Provides the possibility to load FXML-Files and wrap them for convenient access to the loaded
* class as well as the spring loaded controller.
*/
@Component
public class SpringFXMLLoader {
private Logger LOG = LoggerFactory.getLogger(SpringFXMLLoader.class);
private ApplicationContext applicationContext;
@Autowired
public SpringFXMLLoader(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
private FXMLLoader getFXMLLoader() {
final var fxmlLoader = new FXMLLoader();
fxmlLoader.setControllerFactory(applicationContext::getBean);
return fxmlLoader;
}
/**
* Load and return an object from an FXML-File.
*
* @param inputStream the input stream of the FXML-File
* @param loadType the class of the object to load
* @param <TLoad> the loaded object
* @return the loaded object
* @throws IOException if the resource could not be loaded
*/
public synchronized <TLoad> TLoad load(InputStream inputStream, Class<TLoad> loadType)
throws IOException {
LOG.trace(
"Loading object of type {} from fxml resource {}",
loadType.getCanonicalName(),
inputStream);
return this.getFXMLLoader().load(inputStream);
}
/**
* Load and return an object from an FXML-File.
*
* @param pathToFXMLFile path to the FXML-File
* @param loadType the class of the object to load
* @param <TLoad> the loaded object
* @return the loaded object
* @throws IOException if the resource could not be loaded
*/
public <TLoad> TLoad load(String pathToFXMLFile, Class<TLoad> loadType) throws IOException {
return this.load(SpringFXMLLoader.class.getResourceAsStream(pathToFXMLFile), loadType);
}
/**
* Load and return an object from an FXML-File.
*
* @param inputStream the input stream of the FXML-File
* @return the loaded object
* @throws IOException if the resource could not be loaded
*/
public Object load(InputStream inputStream) throws IOException {
return this.load(inputStream, Object.class);
}
/**
* Load and return an object from an FXML-File.
*
* @param pathToFXMLFile path to the FXML-File
* @return the loaded object
* @throws IOException if the resource could not be loaded
*/
public Object load(String pathToFXMLFile) throws IOException {
return this.load(SpringFXMLLoader.class.getResourceAsStream(pathToFXMLFile));
}
/**
* Load and wrap an object and the declared controller from an FXML-File.
*
* @param inputStream the input stream of the FXML-File
* @param loadType the class of the object to load
* @param controllerType the class of the declared controller of the loaded object
* @param <TLoad> the loaded object
* @param <TController> the controller of the loaded object
* @return a wrapper object containing the loaded object and its declared controller
* @throws IOException if the resource could not be loaded
* @see FXMLWrapper
*/
public synchronized <TLoad, TController> FXMLWrapper<TLoad, TController> loadAndWrap(
InputStream inputStream, Class<TLoad> loadType, Class<TController> controllerType)
throws IOException {
final var fxmlLoader = this.getFXMLLoader();
LOG.trace(
"Loading and wrapping object of type {} with controller of type {} from fxml resource {}",
loadType.getCanonicalName(),
controllerType.getCanonicalName(),
inputStream);
return new FXMLWrapper<>(fxmlLoader.load(inputStream), fxmlLoader.getController());
}
/**
* Load and wrap an object and the declared controller from an FXML-File.
*
* @param pathToFXMLFile path to the FXML-File
* @param loadType the class of the object to load
* @param controllerType the class of the declared controller of the loaded object
* @param <TLoad> the loaded object
* @param <TController> the controller of the loaded object
* @return a wrapper object containing the loaded object and its declared controller
* @throws IOException if the resource could not be loaded
* @see FXMLWrapper
*/
public synchronized <TLoad, TController> FXMLWrapper<TLoad, TController> loadAndWrap(
String pathToFXMLFile, Class<TLoad> loadType, Class<TController> controllerType)
throws IOException {
return this.loadAndWrap(
SpringFXMLLoader.class.getResourceAsStream(pathToFXMLFile),
loadType,
controllerType);
}
/**
* Load and wrap an object and the declared controller from an FXML-File.
*
* @param inputStream the input stream of the FXML-File
* @param controllerType the class of the declared controller of the loaded object
* @param <TController> the controller of the loaded object
* @return a wrapper object containing the loaded object and its declared controller
* @throws IOException if the resource could not be loaded
* @see FXMLWrapper
*/
public <TController> FXMLWrapper<Object, TController> loadAndWrap(
InputStream inputStream, Class<TController> controllerType) throws IOException {
return this.loadAndWrap(inputStream, Object.class, controllerType);
}
/**
* Load and wrap an object and the declared controller from an FXML-File.
*
* @param pathToFXMLFile path to the FXML-File
* @param controllerType the class of the declared controller of the loaded object
* @param <TController> the controller of the loaded object
* @return a wrapper object containing the loaded object and its declared controller
* @throws IOException if the resource could not be loaded
* @see FXMLWrapper
*/
public <TController> FXMLWrapper<Object, TController> loadAndWrap(
String pathToFXMLFile, Class<TController> controllerType) throws IOException {
return this.loadAndWrap(pathToFXMLFile, Object.class, controllerType);
}
/**
* Load and wrap an object and the declared controller from an FXML-File.
*
* @param inputStream the input stream of the FXML-File
* @return a wrapper object containing the loaded object and its declared controller
* @throws IOException if the resource could not be loaded
* @see FXMLWrapper
*/
public FXMLWrapper<Object, Object> loadAndWrap(InputStream inputStream) throws IOException {
return this.loadAndWrap(inputStream, Object.class, Object.class);
}
/**
* Load and wrap an object and the declared controller from an FXML-File.
*
* @param pathToFXMLFile path to the FXML-File
* @return a wrapper object containing the loaded object and its declared controller
* @throws IOException if the resource could not be loaded
* @see FXMLWrapper
*/
public FXMLWrapper<Object, Object> loadAndWrap(String pathToFXMLFile) throws IOException {
return this.loadAndWrap(pathToFXMLFile, Object.class, Object.class);
}
/**
* A wrapper for loading FXML-files and wrapping the loaded object as well as the controller.
*
* @param <TLoad> the loaded object
* @param <TController> the controller of the loaded object
*/
public class FXMLWrapper<TLoad, TController> {
public TLoad getLoadedObject() {
return loadedObject;
}
public TController getController() {
return controller;
}
private final TLoad loadedObject;
private final TController controller;
private FXMLWrapper(TLoad loadedObject, TController controller) {
this.loadedObject = loadedObject;
this.controller = controller;
}
}
}
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