Example usage for com.vaadin.server DefaultErrorHandler DefaultErrorHandler

Introduction

In this page you can find the example usage for com.vaadin.server DefaultErrorHandler DefaultErrorHandler.

Prototype

DefaultErrorHandler

Source Link

Usage

From source file:org.jumpmind.metl.ui.init.AppUI.java

License:Open Source License

@SuppressWarnings("serial")
@Override// w  w  w . ja  v a2  s  .  c o m
protected void init(VaadinRequest request) {
    WebApplicationContext ctx = getWebApplicationContext();

    backgroundRefresherService = ctx.getBean(BackgroundRefresherService.class);
    backgroundRefresherService.init(this);

    UI.getCurrent().setErrorHandler(new DefaultErrorHandler() {
        public void error(com.vaadin.server.ErrorEvent event) {
            String intro = "Exception of type <b>";
            String message = "";
            for (Throwable t = event.getThrowable(); t != null; t = t.getCause()) {
                if (t.getCause() == null) {
                    intro += t.getClass().getName() + "</b> with the following message:<br/><br/>";
                    message = t.getMessage();
                }
            }
            ErrorWindow window = new ErrorWindow(intro, message);
            window.show();

            Throwable ex = event.getThrowable();
            if (ex != null) {
                log.error(ex.getMessage(), ex);
            } else {
                log.error("An unexpected error occurred");
            }
        }
    });

    VaadinSession.getCurrent().setConverterFactory(new DefaultConverterFactory() {
        private static final long serialVersionUID = 1L;

        @Override
        protected Converter<Date, ?> createDateConverter(Class<?> sourceType) {
            return super.createDateConverter(sourceType);
        }

        protected Converter<String, ?> createStringConverter(Class<?> sourceType) {
            if (Double.class.isAssignableFrom(sourceType)) {
                return new StringToDoubleConverter();
            } else if (Float.class.isAssignableFrom(sourceType)) {
                return new StringToFloatConverter();
            } else if (Integer.class.isAssignableFrom(sourceType)) {
                return new StringToIntegerConverter() {
                    private static final long serialVersionUID = 1L;

                    @Override
                    protected NumberFormat getFormat(Locale locale) {
                        NumberFormat format = super.getFormat(locale);
                        format.setGroupingUsed(false);
                        return format;
                    }
                };
            } else if (Long.class.isAssignableFrom(sourceType)) {
                return new StringToLongConverter() {
                    private static final long serialVersionUID = 1L;

                    @Override
                    protected NumberFormat getFormat(Locale locale) {
                        NumberFormat format = super.getFormat(locale);
                        format.setGroupingUsed(false);
                        return format;
                    }
                };
            } else if (BigDecimal.class.isAssignableFrom(sourceType)) {
                return new StringToBigDecimalConverter();
            } else if (Boolean.class.isAssignableFrom(sourceType)) {
                return new StringToBooleanConverter();
            } else if (Date.class.isAssignableFrom(sourceType)) {
                return new StringToDateConverter();
            } else {
                return null;
            }
        }

    });

    Responsive.makeResponsive(this);
    ApplicationContext appCtx = ctx.getBean(ApplicationContext.class);
    if (appCtx.getConfigurationService().isUserLoginEnabled()) {
        LoginDialog login = new LoginDialog(appCtx, this);
        UI.getCurrent().addWindow(login);
    } else {
        User user = appCtx.getConfigurationService().findUserByLoginId(DEFAULT_USER);
        if (user == null) {
            user = new User();
            user.setLoginId(DEFAULT_USER);
            appCtx.getConfigurationService().save(user);
            Group group = new Group(DEFAULT_USER);
            user.getGroups().add(group);
            appCtx.getConfigurationService().save(group);
            for (Privilege priv : Privilege.values()) {
                GroupPrivilege groupPriv = new GroupPrivilege(group.getId(), priv.name());
                group.getGroupPrivileges().add(groupPriv);
                appCtx.getConfigurationService().save(groupPriv);
            }
            UserGroup userGroup = new UserGroup(user.getId(), group.getId());
            appCtx.getConfigurationService().save(userGroup);
        }
        appCtx.setUser(user);
        login(user);
    }
}

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From source file:org.jumpmind.vaadin.ui.common.AbstractSpringUI.java

License:Open Source License

@Override
protected void init(VaadinRequest request) {
    setErrorHandler(new DefaultErrorHandler() {

        private static final long serialVersionUID = 1L;

        @Override/*  w  ww .  ja v a  2 s.c om*/
        public void error(com.vaadin.server.ErrorEvent event) {
            Throwable ex = event.getThrowable();
            CommonUiUtils.notify(ex);
            if (ex != null) {
                log.error(ex.getMessage(), ex);
            } else {
                log.error("An unexpected error occurred");
            }
        }
    });

    VaadinSession.getCurrent().setConverterFactory(new DefaultConverterFactory() {
        private static final long serialVersionUID = 1L;

        @Override
        protected Converter<Date, ?> createDateConverter(Class<?> sourceType) {
            return super.createDateConverter(sourceType);
        }

        protected Converter<String, ?> createStringConverter(Class<?> sourceType) {
            if (Double.class.isAssignableFrom(sourceType)) {
                return new StringToDoubleConverter();
            } else if (Float.class.isAssignableFrom(sourceType)) {
                return new StringToFloatConverter();
            } else if (Integer.class.isAssignableFrom(sourceType)) {
                return new StringToIntegerConverter() {
                    private static final long serialVersionUID = 1L;

                    @Override
                    protected NumberFormat getFormat(Locale locale) {
                        NumberFormat format = super.getFormat(locale);
                        format.setGroupingUsed(false);
                        return format;
                    }
                };
            } else if (Long.class.isAssignableFrom(sourceType)) {
                return new StringToLongConverter() {
                    private static final long serialVersionUID = 1L;

                    @Override
                    protected NumberFormat getFormat(Locale locale) {
                        NumberFormat format = super.getFormat(locale);
                        format.setGroupingUsed(false);
                        return format;
                    }
                };
            } else if (BigDecimal.class.isAssignableFrom(sourceType)) {
                return new StringToBigDecimalConverter();
            } else if (Boolean.class.isAssignableFrom(sourceType)) {
                return new StringToBooleanConverter();
            } else if (Date.class.isAssignableFrom(sourceType)) {
                return new StringToDateConverter();
            } else {
                return null;
            }
        }

    });

    Responsive.makeResponsive(this);
}

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From source file:org.opennms.features.topology.app.internal.TopologyUI.java

License:Open Source License

private void setupErrorHandler() {
    setErrorHandler(new DefaultErrorHandler() {

        @Override/*  www  .j  a v  a2  s.  c  o m*/
        public void error(com.vaadin.server.ErrorEvent event) {
            Notification.show("An Exception Occurred: see karaf.log", Notification.Type.TRAY_NOTIFICATION);
            LOG.warn("An Exception Occurred: in the TopologyUI", event.getThrowable());

        }
    });
}

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From source file:org.vaadin.spring.samples.security.managed.SingleSecuredUI.java

License:Apache License

@Override
protected void init(VaadinRequest request) {
    getPage().setTitle("Vaadin Managed Security Demo");
    // Let's register a custom error handler to make the 'access denied' messages a bit friendlier.
    setErrorHandler(new DefaultErrorHandler() {
        @Override//from w  ww  . ja v  a  2  s  . com
        public void error(com.vaadin.server.ErrorEvent event) {
            if (SecurityExceptionUtils.isAccessDeniedException(event.getThrowable())) {
                Notification.show("Sorry, you don't have access to do that.");
            } else {
                super.error(event);
            }
        }
    });
    if (vaadinSecurity.isAuthenticated()) {
        showMainScreen();
    } else {
        showLoginScreen(request.getParameter("goodbye") != null);
    }
}

---

From source file:org.vaadin.spring.samples.security.shared.MainUI.java

License:Apache License

@Override
protected void init(VaadinRequest request) {
    getPage().setTitle("Vaadin Shared Security Demo");
    // Let's register a custom error handler to make the 'access denied' messages a bit friendlier.
    setErrorHandler(new DefaultErrorHandler() {
        @Override/*w ww  .  ja va2  s.com*/
        public void error(com.vaadin.server.ErrorEvent event) {
            if (SecurityExceptionUtils.isAccessDeniedException(event.getThrowable())) {
                Notification.show("Sorry, you don't have access to do that.");
            } else {
                super.error(event);
            }
        }
    });
    HorizontalLayout layout = new HorizontalLayout();
    layout.setSizeFull();

    // By adding a security item filter, only views that are accessible to the user will show up in the side bar.
    sideBar.setItemFilter(new VaadinSecurityItemFilter(vaadinSecurity));
    layout.addComponent(sideBar);

    CssLayout viewContainer = new CssLayout();
    viewContainer.setSizeFull();
    layout.addComponent(viewContainer);
    layout.setExpandRatio(viewContainer, 1f);

    Navigator navigator = new Navigator(this, viewContainer);
    // Without an AccessDeniedView, the view provider would act like the restricted views did not exist at all.
    springViewProvider.setAccessDeniedViewClass(AccessDeniedView.class);
    navigator.addProvider(springViewProvider);
    navigator.setErrorView(ErrorView.class);
    navigator.navigateTo(navigator.getState());

    setContent(layout); // Call this here because the Navigator must have been configured before the Side Bar can be attached to a UI.
}

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