play.mvc.Controller Java Examples

public static ObjectType get(Class<? extends Controller> controllerClass) {
    Class<? extends Model> entityClass = getEntityClassForController(controllerClass);
    if (entityClass == null || !Model.class.isAssignableFrom(entityClass)) {
        return null;
    }
    ObjectType type;
    try {
        type = (ObjectType) Java.invokeStaticOrParent(controllerClass, "createObjectType", entityClass);
    } catch (Exception e) {
        Logger.error(e, "Couldn't create an ObjectType. Use default one.");
        type = new ObjectType(entityClass);
    }
    type.name = controllerClass.getSimpleName().replace("$", "");
    type.controllerName = controllerClass.getSimpleName().toLowerCase().replace("$", "");
    type.controllerClass = controllerClass;
    return type;
}
 

@SuppressWarnings("unchecked")
public static Class<? extends Model> getEntityClassForController(Class<? extends Controller> controllerClass) {
    if (controllerClass.isAnnotationPresent(For.class)) {
        return controllerClass.getAnnotation(For.class).value();
    }
    for(Type it : controllerClass.getGenericInterfaces()) {
        if(it instanceof ParameterizedType) {
            ParameterizedType type = (ParameterizedType)it;
            if (((Class<?>)type.getRawType()).getSimpleName().equals("CRUDWrapper")) {
                return (Class<? extends Model>)type.getActualTypeArguments()[0];
            }
        }
    }
    String name = controllerClass.getSimpleName().replace("$", "");
    name = "models." + name.substring(0, name.length() - 1);
    try {
        return (Class<? extends Model>) Play.classloader.loadClass(name);
    } catch (ClassNotFoundException e) {
        return null;
    }
}
 

public static Result downloadFile(File file) {
    if (!file.exists()) {
        return Results.notFound();
    }
    Controller.response().setContentType("application/x-download");
    Controller.response().setHeader("Content-disposition", "attachment; filename=" + file.getName());
    return Results.ok(file);
}
 

public static void setCurrentStatementLanguage(String languageCode) {
    Controller.session("currentStatementLanguage", languageCode);
}
 

public static String getCurrentStatementLanguage() {
    return Controller.session("currentStatementLanguage");
}
 

private void appendStatementLanguageSelection(HtmlTemplate template, String currentLanguage, Set<String> allowedLanguages, Call target) {
    template.transformContent(c -> statementLanguageSelectionLayout.render(target.absoluteURL(Controller.request(), Controller.request().secure()), allowedLanguages, currentLanguage, c));
}
 

public static void setCurrentStatementLanguage(String languageCode) {
    Controller.session("currentStatementLanguage", languageCode);
}
 

public static String getCurrentStatementLanguage() {
    return Controller.session("currentStatementLanguage");
}
 

public static void setJustCreatedProblem(String slug, String additionalNote, String initLanguageCode) {
    Controller.session("problemSlug", slug);
    Controller.session("problemAdditionalNote", additionalNote);
    Controller.session("initLanguageCode", initLanguageCode);
}
 

public static void removeJustCreatedProblem() {
    Controller.session().remove("problemSlug");
    Controller.session().remove("problemAdditionalNote");
    Controller.session().remove("initLanguageCode");
}
 

public static String getJustCreatedProblemSlug() {
    return Controller.session("problemSlug");
}
 

public static String getJustCreatedProblemAdditionalNote() {
    return Controller.session("problemAdditionalNote");
}
 

public static String getJustCreatedProblemInitLanguageCode() {
    return Controller.session("initLanguageCode");
}
 

protected void appendStatementLanguageSelection(HtmlTemplate template, String currentLanguage, Set<String> allowedLanguages, Call target) {
    template.transformContent(c -> statementLanguageSelectionLayout.render(target.absoluteURL(Controller.request(), Controller.request().secure()), allowedLanguages, currentLanguage, c));
}
 

protected static URL reverse() {
    ControllerInstrumentation.stopActionCall();
    ActionDefinition actionDefinition = new ActionDefinition();
    Controller._currentReverse.set(actionDefinition);
    return new URL(actionDefinition);
}