n3phele.client.presenter.UserActivity.java Source code

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Here is the source code for n3phele.client.presenter.UserActivity.java

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/**
 * @author Nigel Cook
 *
 * (C) Copyright 2010-2012. Nigel Cook. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Licensed under the terms described in LICENSE file that accompanied this code, (the "License"); you may not use this file
 * except in compliance with the License. 
 * 
 *  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on 
 *  an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the 
 *  specific language governing permissions and limitations under the License.
 */
package n3phele.client.presenter;

import n3phele.client.ClientFactory;
import n3phele.client.N3phele;
import n3phele.client.model.User;
import n3phele.client.presenter.helpers.AuthenticatedRequestFactory;
import n3phele.client.view.UserView;

import com.google.gwt.activity.shared.AbstractActivity;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.http.client.URL;
import com.google.gwt.place.shared.PlaceController;
import com.google.gwt.user.client.History;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.AcceptsOneWidget;

public class UserActivity extends AbstractActivity {
    private final String name;
    private EventBus eventBus;
    private final PlaceController placeController;
    private final UserView display;
    private final String userUrl;
    private User user = null;
    private final boolean isSelf;

    public UserActivity(String name, ClientFactory factory) {
        if (name == null || name.length() == 0) {
            name = AuthenticatedRequestFactory.getUser().getName();
        }
        if (isSelf = name.equals(AuthenticatedRequestFactory.getUser().getName())) {
            this.user = AuthenticatedRequestFactory.getUser();
        }
        this.name = name;
        this.placeController = factory.getPlaceController();
        this.display = factory.getUserView();
        userUrl = URL.encode(factory.getCacheManager().ServiceAddress + "user");
    }

    @Override
    public void start(AcceptsOneWidget panel, EventBus eventBus) {
        this.eventBus = eventBus;

        display.setPresenter(this);
        panel.setWidget(display);
        display.setData(this.user);

    }

    @Override
    public String mayStop() {
        return null;
    }

    @Override
    public void onCancel() {

    }

    @Override
    public void onStop() {
        //this.display.setData(null);
    }

    public void onSave(User user, String email, String firstName, String lastName, String password) {
        updateUserDetails(user.getUri(), email, firstName, lastName, password);
    }

    private void updateUserDetails(String url, String email, String firstName, String lastName,
            final String password) {

        // Send request to server and catch any errors.
        RequestBuilder builder = AuthenticatedRequestFactory.newRequest(RequestBuilder.POST, url);
        builder.setHeader("Content-type", "application/x-www-form-urlencoded");
        StringBuilder args = new StringBuilder();
        args.append("email=");
        args.append(URL.encodeQueryString(email));
        args.append("&firstName=");
        args.append(URL.encodeQueryString(firstName));
        args.append("&lastName=");
        args.append(URL.encodeQueryString(lastName));
        if (password != null && password.length() > 0) {
            args.append("&secret=");
            args.append(URL.encodeQueryString(password));
        }
        try {
            Request request = builder.sendRequest(args.toString(), new RequestCallback() {
                public void onError(Request request, Throwable exception) {
                    // displayError("Couldn't retrieve JSON "+exception.getMessage());
                }

                public void onResponseReceived(Request request, Response response) {
                    GWT.log("Got reply");
                    if (200 == response.getStatusCode()) {
                        if (isSelf) {
                            User user = User.asUser(response.getText());
                            String pw = password;
                            if (pw == null || pw.length() == 0) {
                                pw = AuthenticatedRequestFactory.getDefaultPassword();
                            }
                            AuthenticatedRequestFactory.setCredentials(user.getName(), pw, user);
                            N3phele.basePanel.updateUser(user);
                        }
                        goToPrevious();
                    } else {
                        Window.alert("Update failure: " + response.getStatusText() + " " + response.getText());
                    }
                }

            });
        } catch (RequestException e) {
            Window.alert("Update exception: " + e.toString());
        }
    }

    public void goToPrevious() {
        History.back();
    }

    /*
     * Data Handling
     * -------------
     */

    /*
     * Event Definition
     * ----------------
     */

}