n3phele.client.presenter.AccountActivity.java Source code

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Here is the source code for n3phele.client.presenter.AccountActivity.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 java.util.List;

import n3phele.client.CacheManager;
import n3phele.client.ClientFactory;
import n3phele.client.model.Account;
import n3phele.client.model.Cloud;
import n3phele.client.presenter.helpers.AuthenticatedRequestFactory;
import n3phele.client.view.AccountView;

import com.google.gwt.activity.shared.AbstractActivity;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;
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.user.client.History;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.AcceptsOneWidget;

public class AccountActivity extends AbstractActivity {
    private final String accountUri;
    private final AccountView display;
    private Account account = null;
    private final CacheManager cacheManager;
    private final EventBus eventBus;

    public AccountActivity(String accountUri, ClientFactory factory) {
        this.accountUri = accountUri;
        this.display = factory.getAccountView();
        this.cacheManager = factory.getCacheManager();
        this.eventBus = factory.getEventBus();
    }

    @Override
    public void start(AcceptsOneWidget panel, EventBus eventBus) {
        display.setPresenter(this);
        panel.setWidget(display);
        getClouds();

        if (accountUri == null || accountUri.length() == 0 || accountUri.equals("null")) {
            this.account = JavaScriptObject.createObject().<Account>cast();
            display.setData(this.account);
        } else {
            this.account = null;
            display.setData(this.account);
            getAccount();
        }

    }

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

    @Override
    public void onCancel() {

    }

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

    public void onSave(Account account, String name, String description, String cloud, String cloudId,
            String password) {
        updateAccountDetails(account.getUri(), name, description, cloud, cloudId, password);

    }

    protected void updateClouds(List<Cloud> list) {
        display.setClouds(list);
    }

    protected void updateAccount(Account account) {
        this.account = account;
        display.setData(this.account);
    }

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

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

    public void getAccount() {
        // Send request to server and catch any errors.
        RequestBuilder builder = AuthenticatedRequestFactory.newRequest(RequestBuilder.GET, accountUri);
        try {
            Request request = builder.sendRequest(null, 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()) {
                        Account account = Account.asAccount(response.getText());
                        updateAccount(account);
                    } else {

                    }
                }

            });
        } catch (RequestException e) {
            //displayError("Couldn't retrieve JSON "+e.getMessage());
        }
    }

    protected void getClouds() {
        this.eventBus.addHandler(CacheManager.CloudListUpdate.TYPE, new CacheManager.CloudListUpdateEventHandler() {
            @Override
            public void onMessageReceived(CacheManager.CloudListUpdate event) {
                updateClouds(cacheManager.getClouds());
            }
        });
        updateClouds(cacheManager.getClouds());
    }

    private void updateAccountDetails(String url, String name, String description, String cloud, String cloudId,
            final String password) {

        // Send request to server and catch any errors.
        if (url == null || url.trim().length() == 0) {
            url = cacheManager.ServiceAddress + "account";
        }
        RequestBuilder builder = AuthenticatedRequestFactory.newRequest(RequestBuilder.POST, url);
        builder.setHeader("Content-type", "application/x-www-form-urlencoded");
        StringBuilder args = new StringBuilder();
        args.append("name=");
        args.append(URL.encodeQueryString(name));
        if (description != null && description.length() != 0) {
            args.append("&description=");
            args.append(URL.encodeQueryString(description));
        }
        args.append("&cloud=");
        args.append(URL.encodeQueryString(cloud));
        if (password != null && password.length() > 0) {
            args.append("&accountId=");
            args.append(URL.encodeQueryString(cloudId));
            args.append("&secret=");
            args.append(URL.encodeQueryString(password));
        }
        try {
            @SuppressWarnings("unused")
            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()) {
                        goToPrevious();
                    } else if (201 == response.getStatusCode()) {
                        goToPrevious();
                    } else {
                        Window.alert("Account update error " + response.getStatusText());
                    }
                }

            });
        } catch (RequestException e) {
            //displayError("Couldn't retrieve JSON "+e.getMessage());
        }
    }

    public void onSelect(Account selected) {
        // TODO Auto-generated method stub

    }

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

}