org.ikasan.dashboard.ui.framework.panel.PersistanceSetupPanel.java Source code

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/*
* $Id$
* $URL$
*
* ====================================================================
* Ikasan Enterprise Integration Platform
*
* Distributed under the Modified BSD License.
* Copyright notice: The copyright for this software and a full listing
* of individual contributors are as shown in the packaged copyright.txt
* file.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
*  - Redistributions of source code must retain the above copyright notice,
*    this list of conditions and the following disclaimer.
*
*  - Redistributions in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the documentation
*    and/or other materials provided with the distribution.
*
*  - Neither the name of the ORGANIZATION nor the names of its contributors may
*    be used to endorse or promote products derived from this software without
*    specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
package org.ikasan.dashboard.ui.framework.panel;

import java.io.PrintWriter;
import java.io.StringWriter;

import org.apache.log4j.Logger;
import org.ikasan.mapping.model.ConfigurationContext;
import org.ikasan.mapping.model.ConfigurationServiceClient;
import org.ikasan.mapping.model.ConfigurationType;
import org.ikasan.setup.persistence.service.PersistenceService;
import org.ikasan.setup.persistence.service.PersistenceServiceFactory;

import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.Label;
import com.vaadin.ui.Notification;
import com.vaadin.ui.Notification.Type;
import com.vaadin.ui.Panel;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.themes.ValoTheme;

/**
 * @author Ikasan Development Team
 *
 */
public class PersistanceSetupPanel extends Panel implements View {
    private static final long serialVersionUID = 6005593259860222561L;

    private Logger logger = Logger.getLogger(PersistanceSetupPanel.class);
    private PersistenceServiceFactory<String> persistenceServiceFactory;
    private ComboBox persistanceStoreTypeCombo = new ComboBox("Select database type");
    private boolean userTablesAlreadyExist;

    /**
     * Constructor
     * 
     * @param ikasanModuleService
     */
    public PersistanceSetupPanel(PersistenceServiceFactory<String> persistenceServiceFactory) {
        super();
        this.persistenceServiceFactory = persistenceServiceFactory;
        init();
    }

    protected void init() {
        initPersistanceStoreTypeCombo();

        this.persistanceStoreTypeCombo.addValueChangeListener(new ValueChangeListener() {
            public void valueChange(ValueChangeEvent event) {

                try {
                    String persistenceProvider = (String) PersistanceSetupPanel.this.persistanceStoreTypeCombo
                            .getValue();

                    PersistenceService persistanceService = persistenceServiceFactory
                            .getPersistenceService(persistenceProvider);

                    userTablesAlreadyExist = persistanceService.userTablesExist();
                } catch (Exception e) {
                    Notification.show("An error has occurred detecting database: " + e.getMessage(),
                            Type.ERROR_MESSAGE);
                }

                if (userTablesAlreadyExist == true) {
                    createAlreadyCreatedView();
                } else {
                    createNotCreatedView();
                }
            }
        });

        this.createNotCreatedView();
    }

    protected void createNotCreatedView() {
        VerticalLayout verticalLayout = new VerticalLayout();
        verticalLayout.setWidth("100%");
        verticalLayout.setHeight("100%");
        verticalLayout.setMargin(true);

        Label ikasanWelcomeLabel1 = new Label("Welcome to Ikasan!");
        ikasanWelcomeLabel1.setStyleName("xlarge");
        ikasanWelcomeLabel1.setWidth("100%");
        ikasanWelcomeLabel1.setHeight("30px");

        Label ikasanWelcomeLabel2 = new Label("It appears that you are setting up Ikasan for the"
                + " first time and we need to create some database tables. If this is not the first time accessing the "
                + "Ikasan Console, it appears that there is an issue with the Ikasan database. If this is the case please "
                + "contact your local database administrator.");

        ikasanWelcomeLabel2.setStyleName("large");
        ikasanWelcomeLabel2.setWidth("60%");
        ikasanWelcomeLabel2.setHeight("70px");

        verticalLayout.addComponent(ikasanWelcomeLabel1);
        verticalLayout.addComponent(ikasanWelcomeLabel2);

        verticalLayout.addComponent(persistanceStoreTypeCombo);
        persistanceStoreTypeCombo.setHeight("30px");

        Button button = new Button("Create");
        button.setStyleName(ValoTheme.BUTTON_SMALL);
        button.setHeight("30px");

        button.addClickListener(new Button.ClickListener() {
            public void buttonClick(ClickEvent event) {
                String persistenceProvider = (String) PersistanceSetupPanel.this.persistanceStoreTypeCombo
                        .getValue();

                if (persistenceProvider == null) {
                    Notification.show("Please select a database type!");
                    return;
                }

                PersistenceService persistanceService = persistenceServiceFactory
                        .getPersistenceService(persistenceProvider);

                try {
                    persistanceService.createPersistence();
                    persistanceService.createAdminAccount();
                } catch (RuntimeException e) {
                    StringWriter sw = new StringWriter();
                    PrintWriter pw = new PrintWriter(sw);
                    e.printStackTrace(pw);

                    Notification.show("Error trying to create Ikasan database!", sw.toString(),
                            Notification.Type.ERROR_MESSAGE);
                }

                Notification.show("Database successfully created!");
            }
        });

        verticalLayout.addComponent(button);
        this.setContent(verticalLayout);
    }

    protected void createAlreadyCreatedView() {
        VerticalLayout verticalLayout = new VerticalLayout();
        verticalLayout.setWidth("100%");
        verticalLayout.setHeight("100%");
        verticalLayout.setMargin(true);

        Label ikasanWelcomeLabel1 = new Label("Welcome to Ikasan!");
        ikasanWelcomeLabel1.setStyleName("xlarge");
        ikasanWelcomeLabel1.setWidth("100%");
        ikasanWelcomeLabel1.setHeight("30px");

        Label ikasanWelcomeLabel2 = new Label(
                "It appears as thoug the Ikasan database has already been created. If you believe that this is not the case there may be an issue. "
                        + "Please contact your local database administrator or Ikasan/Middleware support.");

        ikasanWelcomeLabel2.setStyleName("large");
        ikasanWelcomeLabel2.setWidth("60%");
        ikasanWelcomeLabel2.setHeight("60px");

        verticalLayout.addComponent(ikasanWelcomeLabel1);
        verticalLayout.addComponent(ikasanWelcomeLabel2);

        //        verticalLayout.addComponent(persistanceStoreTypeCombo);

        this.setContent(verticalLayout);
    }

    protected void initPersistanceStoreTypeCombo() {
        persistanceStoreTypeCombo.removeAllItems();

        persistanceStoreTypeCombo.addItem("Sybase12");
        persistanceStoreTypeCombo.addItem("Sybase15");
        persistanceStoreTypeCombo.addItem("MySQL");
        persistanceStoreTypeCombo.addItem("SQLServer2008");
        persistanceStoreTypeCombo.addItem("H2");
    }

    /* (non-Javadoc)
     * @see com.vaadin.navigator.View#enter(com.vaadin.navigator.ViewChangeListener.ViewChangeEvent)
     */
    @Override
    public void enter(ViewChangeEvent event) {
        // TODO Auto-generated method stub
    }
}