org.nebulaframework.ui.swing.cluster.ClusterManagerStarter.java Source code

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Here is the source code for org.nebulaframework.ui.swing.cluster.ClusterManagerStarter.java

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/*
 * Copyright (C) 2008 Yohan Liyanage. 
 * 
 * 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.
 */
package org.nebulaframework.ui.swing.cluster;

import javax.swing.JOptionPane;
import javax.swing.JWindow;
import javax.swing.UIManager;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nebulaframework.grid.Grid;

/**
 * Execution Point for Swing UI based ClusterManager.
 * 
 * @author Yohan Liyanage
 * @version 1.0
 */
public class ClusterManagerStarter {

    private static Log log = LogFactory.getLog(ClusterManagerStarter.class);

    /**
     * Starts execution of a ClusterManager instance on the
     * system.
     * 
     * @param args Command Line Arguments
     */
    public static void main(String[] args) {

        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {
            e.printStackTrace();
        }

        JWindow splash = ClusterMainUI.showSplash();

        try {
            Grid.startClusterManager();
        } catch (Exception e) {
            splash.setVisible(false);
            log.error("Exception while starting", e);

            JOptionPane.showMessageDialog(null,
                    "Unable to start ClusterManager due to Exception." + "\nSee StackTrace (log) for details",
                    "Nebula Cluster", JOptionPane.ERROR_MESSAGE);
            System.exit(1);
        }

        ClusterMainUI ui = ClusterMainUI.create();
        ui.setVisible(true);
        splash.setVisible(false);
        splash.dispose();
        log.info("[UI] Initialized");
    }

}