Example usage for com.vaadin.server FileResource FileResource

Introduction

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

Prototype

public FileResource(File sourceFile)

Source Link

Document

Creates a new file resource for providing given file for client terminals.

Usage

From source file:uk.q3c.krail.core.view.component.LocaleContainer.java

License:Apache License

/**
 * Loads the container with text from {@link Locale#getDisplayName(Locale)}, and an icon for the country flag if
 * there is one. If there is no image flag, the flag property is left as null.  The result is that the combo
 * contains an entry for a country in the language of that country (for example Germany is always Deutsch
 * (Deutschland), regardless of the current locale).  This means the user looking for a language will see it in its
 * most familiar form.//from   w  w  w  .j  av  a2s  . c om
 */
@SuppressWarnings("unchecked")
private void fillContainer() {

    addContainerProperty(PropertyName.NAME, String.class, null);
    addContainerProperty(PropertyName.FLAG, Resource.class, null);

    File webInfDir = ResourceUtils.configurationDirectory();
    File iconsDir = new File(webInfDir, "icons");
    File flagsDir = new File(iconsDir, "flags_iso");

    File flagSizedDir = new File(flagsDir, getOptionFlagSize().toString());

    for (Locale supportedLocale : supportedLocales) {
        String id = supportedLocale.toLanguageTag();
        log.debug("Added supported locale with id: '{}'", id);
        Item item = addItem(id);
        item.getItemProperty(PropertyName.NAME).setValue(supportedLocale.getDisplayName(supportedLocale));

        // if the directory is missing don't bother with file
        if (flagSizedDir.exists()) {
            String filename = supportedLocale.getCountry().toLowerCase() + ".png";
            File file = new File(flagSizedDir, filename);
            if (file.exists()) {
                FileResource resource = new FileResource(file);
                item.getItemProperty(PropertyName.FLAG).setValue(resource);
            } else {
                log.warn("File {} for locale flag does not exist.", file.getAbsolutePath());
            }

        } else {
            log.warn("{} directory for flags does not exist.", flagSizedDir.getAbsolutePath());
        }
    }

    sort(new Object[] { PropertyName.NAME }, new boolean[] { true });
}

From source file:views.StandaloneTSVImport.java

License:Open Source License

private Component createTSVDownloadComponent(DesignType type, String info) {
    VerticalLayout v = new VerticalLayout();
    v.setSpacing(true);/*from ww  w  . j av a 2  s .c  o  m*/
    Label l = new Label(info);
    l.setWidth("300px");
    v.addComponent(l);
    Button button = new Button("Download Example");
    v.addComponent(button);

    String basepath = VaadinService.getCurrent().getBaseDirectory().getAbsolutePath();
    FileDownloader tsvDL = new FileDownloader(
            new FileResource(new File(basepath + "/WEB-INF/files/" + type.getFileName())));
    tsvDL.extend(button);

    return v;
}