eu.visioncloud.workflowWebUI.WorkflowUIApp.java Source code

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Here is the source code for eu.visioncloud.workflowWebUI.WorkflowUIApp.java

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/*
 * Copyright 2009 IT Mill Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

/*
 * Entry point for web application
 */
package eu.visioncloud.workflowWebUI;

import org.apache.log4j.Logger;
import com.vaadin.Application;
import com.vaadin.ui.Window;
import com.vaadin.ui.Window.CloseEvent;

import eu.visioncloud.cci.client.*;
import eu.visioncloud.storlet.common.AuthToken;
import eu.visioncloud.workflow.constants.WorkflowMngConst;
import eu.visioncloud.workflowengine.obj.LoginInfo;

/**
 * The Application's "main" class
 */
@SuppressWarnings("serial")
public class WorkflowUIApp extends Application {
    private Window window;
    private MainComponent mainComponent;
    private ClientInterface oClient;

    final static String storageServiceUrl = WorkflowMngConst.ccsURL;
    private String tenant = "";
    private String userId = "";
    private String password = "";

    private AuthToken auth;

    private static final Logger logger = Logger.getLogger("workflowUIApp");

    @Override
    public void init() {
        window = new Window("Workflow Management Service");

        setMainWindow(window);
        final LoginForm lf = new LoginForm();
        lf.setClosable(false);
        lf.center();
        lf.addListener(new Window.CloseListener() {

            @Override
            public void windowClose(CloseEvent e) {
                // TODO Auto-generated method stub
                LoginInfo login = lf.getLoginInfo();
                if (login != null) {
                    tenant = login.tenant;
                    userId = login.userId;
                    password = login.password;
                    auth = initCCIClient();
                    if (oClient != null) {
                        mainComponent = new MainComponent(tenant, auth, oClient);
                        window.setContent(mainComponent);
                    } else {
                        lf.showNotification("Invalid tenant name, user id or password");
                        lf.getApplication().close();
                    }
                }
            }
        });
        window.addWindow(lf);
        setTheme("mytheme");
    }

    private AuthToken initCCIClient() {
        if (userId != "" && tenant != "" && password != "") {
            AuthToken authToken = new AuthToken(tenant, userId, password);
            oClient = new CdmiRestClient(storageServiceUrl, authToken.getAuthenticationString());
            return authToken;
        } else {
            // System.out.println("back door");
            oClient = new CdmiRestClient(storageServiceUrl);
            return new AuthToken(tenant, "", "");
        }
    }

}