org.pentaho.aggdes.ui.UIMain.java Source code

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Here is the source code for org.pentaho.aggdes.ui.UIMain.java

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/*
* 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.
*
*
* Copyright 2006 - 2013 Pentaho Corporation.  All rights reserved.
*/

package org.pentaho.aggdes.ui;

import java.util.Map;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import javax.swing.UIManager;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.di.core.KettleClientEnvironment;
import org.pentaho.ui.xul.XulDomContainer;
import org.pentaho.ui.xul.XulException;
import org.pentaho.ui.xul.XulLoader;
import org.pentaho.ui.xul.XulRunner;
import org.pentaho.ui.xul.impl.XulEventHandler;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class UIMain {

    private static final Log logger = LogFactory.getLog(UIMain.class);

    private UIConfiguration configuration;
    private XulLoader xulLoader;
    private XulRunner xulRunner;

    /**
     * The main startup of the Aggregation Designer
     * @param args
     */
    public static void main(String[] args) {
        try {
            KettleClientEnvironment.init();
            ApplicationContext context = new ClassPathXmlApplicationContext(
                    new String[] { "applicationContext.xml", "plugins.xml" }); //$NON-NLS-1$ //$NON-NLS-2$

            UIMain uiMain = (UIMain) context.getBean("uiMain"); //$NON-NLS-1$
            uiMain.start(context);
        } catch (Throwable t) {
            logger.error("uncaught exception in main", t);
            System.exit(1);
        }
    }

    @SuppressWarnings("unchecked")
    public void start(ApplicationContext context) throws XulException {
        XulDomContainer container;

        //check to see if they've specified an alternate resource bundle
        String bundleStr = configuration.getResourceBundle();
        ResourceBundle bundle = null;
        if (bundleStr != null) {
            try {
                bundle = ResourceBundle.getBundle(bundleStr);
            } catch (MissingResourceException e) {
                logger.error("Could not load Resource Bundle: " + bundleStr); //$NON-NLS-1$
            }
        }

        //Set the look and feel based on configuration
        setLAF();

        if (bundle != null) {
            container = xulLoader.loadXul("org/pentaho/aggdes/ui/resources/mainFrame.xul", bundle); //$NON-NLS-1$
        } else {
            container = xulLoader.loadXul("org/pentaho/aggdes/ui/resources/mainFrame.xul"); //$NON-NLS-1$
        }

        //generically register all Spring-initialized XulEventHandlers
        Map handlerMap = context.getBeansOfType(XulEventHandler.class);
        for (Object handler : handlerMap.values()) {
            container.addEventHandler((XulEventHandler) handler);
        }

        xulRunner.addContainer(container);
        xulRunner.initialize();
        xulRunner.start();
    }

    public void setConfiguration(UIConfiguration configuration) {
        this.configuration = configuration;
    }

    public void setXulLoader(XulLoader xulLoader) {
        this.xulLoader = xulLoader;
    }

    public void setXulRunner(XulRunner xulRunner) {
        this.xulRunner = xulRunner;
    }

    private void setLAF() {

        try {
            String laf = configuration.getLookAndFeel();

            if (laf.equalsIgnoreCase("system")) {
                UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
            } else if (laf.equalsIgnoreCase("metal")) {
                UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
            } else if (!StringUtils.isEmpty(laf)) {
                UIManager.setLookAndFeel(laf);
            } else {
                UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
            }

        } catch (Exception e) {
            logger.warn("error setting look and feel", e); //$NON-NLS-1$
        }

    }
}