UsersResource.java

/**
 * Copyright 2005-2014 Restlet
 * 
 * The contents of this file are subject to the terms of one of the following
 * open source licenses: Apache 2.0 or or EPL 1.0 (the "Licenses"). You can
 * select the license that you prefer but you may not use this file except in
 * compliance with one of these Licenses.
 * 
 * You can obtain a copy of the Apache 2.0 license at
 * http://www.opensource.org/licenses/apache-2.0
 * 
 * You can obtain a copy of the EPL 1.0 license at
 * http://www.opensource.org/licenses/eclipse-1.0
 * 
 * See the Licenses for the specific language governing permissions and
 * limitations under the Licenses.
 * 
 * Alternatively, you can obtain a royalty free commercial license with less
 * limitations, transferable or non-transferable, directly at
 * http://restlet.com/products/restlet-framework
 * 
 * Restlet is a registered trademark of Restlet S.A.S.
 */

package org.restlet.example.ext.rdf.foaf.resources;

import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import org.restlet.data.Form;
import org.restlet.data.MediaType;
import org.restlet.example.ext.rdf.foaf.objects.ObjectsException;
import org.restlet.example.ext.rdf.foaf.objects.User;
import org.restlet.representation.Representation;
import org.restlet.representation.Variant;
import org.restlet.resource.Get;
import org.restlet.resource.Post;
import org.restlet.resource.ResourceException;

/**
 * Resource for a list of users.
 */
public class UsersResource extends BaseResource {

    /** The list of application's account. */
    private List<User> users;

    @Override
    protected void doInit() throws ResourceException {
        this.users = getObjectsFacade().getUsers();
    }

    /**
     * Accept the representation of a new user, and create it.
     */
    @Post
    public void acceptUser(Representation entity) throws ResourceException {
        Form form = new Form(entity);
        User user = new User();
        user.setFirstName(form.getFirstValue("firstName"));
        user.setLastName(form.getFirstValue("lastName"));
        user.setImage(form.getFirstValue("image"));

        try {
            user = getObjectsFacade().createUser(user);
            getResponse().redirectSeeOther(
                    getChildReference(getRequest().getResourceRef(),
                            user.getId()));
        } catch (ObjectsException e) {
            final Map<String, Object> dataModel = new TreeMap<String, Object>();
            dataModel.put("users", this.users);
            dataModel.put("resourceRef", getRequest().getResourceRef());
            dataModel.put("rootRef", getRequest().getRootRef());
            dataModel.put("firstName", form.getFirstValue("firstName"));
            dataModel.put("lastName", form.getFirstValue("lastName"));
            dataModel.put("image", form.getFirstValue("image"));
            dataModel.put("errorMessage", e.getMessage());

            getResponse().setEntity(
                    getTemplateRepresentation("users.html", dataModel,
                            MediaType.TEXT_HTML));
        }
    }

    /**
     * Generate the HTML representation of this resource.
     */
    @Get
    public Representation toHtml(Variant variant) throws ResourceException {
        final Map<String, Object> dataModel = new TreeMap<String, Object>();
        dataModel.put("users", this.users);
        dataModel.put("resourceRef", getRequest().getResourceRef());
        dataModel.put("rootRef", getRequest().getRootRef());

        return getTemplateRepresentation("users.html", dataModel,
                MediaType.TEXT_HTML);
    }
}