ResourceFactory.java

package pt.ist.vaadinframework.ui.factory;

import pt.ist.bennu.core.domain.User;
import pt.ist.bennu.core.domain.groups.PersistentGroup;
import pt.ist.bennu.core.domain.groups.SingleUserGroup;

import com.vaadin.terminal.ExternalResource;
import com.vaadin.terminal.Resource;
import com.vaadin.terminal.ThemeResource;

/**
 * A resource factory that given a domain object returns a correspoding
 * resource.
 * 
 * @author David Martinho (davidmartinho@gmail.com)
 * 
 */
public class ResourceFactory {

    public static Resource getPictureFor(User user) {
        return new ExternalResource(
                "https://fenix.ist.utl.pt/publico/retrievePersonalPhoto.do?method=retrieveByUUID&contentContextPath_PATH=/homepage&uuid="
                        + user.getUsername(), "image/jpeg");
    }

    public static Resource getPictureFor(SingleUserGroup singleUserGroup) {
        return new ExternalResource(
                "https://fenix.ist.utl.pt/publico/retrievePersonalPhoto.do?method=retrieveByUUID&contentContextPath_PATH=/homepage&uuid="
                        + singleUserGroup.getUser().getUsername(), "image/jpeg");
    }

    public static Resource getPictureFor(PersistentGroup group) {
        return new ThemeResource("../runo/icons/32/users.png");
    }

    public static Resource getAvatarFor(Object obj) {
        if (obj instanceof User) {
            return getPictureFor((User) obj);
        } else if (obj instanceof SingleUserGroup) {
            return getPictureFor((SingleUserGroup) obj);
        } else {
            return new ThemeResource("../runo/icons/32/users.png");
        }
    }

}