org.kalypso.project.database.server.trigger.TriggerHelper.java Source code

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Here is the source code for org.kalypso.project.database.server.trigger.TriggerHelper.java

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/*----------------    FILE HEADER KALYPSO ------------------------------------------
 *
 *  This file is part of kalypso.
 *  Copyright (C) 2004 by:
 * 
 *  Technical University Hamburg-Harburg (TUHH)
 *  Institute of River and coastal engineering
 *  Denickestrae 22
 *  21073 Hamburg, Germany
 *  http://www.tuhh.de/wb
 * 
 *  and
 *  
 *  Bjoernsen Consulting Engineers (BCE)
 *  Maria Trost 3
 *  56070 Koblenz, Germany
 *  http://www.bjoernsen.de
 * 
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 * 
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 * 
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 *  Contact:
 * 
 *  E-Mail:
 *  belger@bjoernsen.de
 *  schlienger@bjoernsen.de
 *  v.doemming@tuhh.de
 *   
 *  ---------------------------------------------------------------------------*/
package org.kalypso.project.database.server.trigger;

import java.lang.reflect.Constructor;

import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemManager;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.kalypso.commons.io.VFSUtilities;
import org.kalypso.project.database.IProjectDataBaseServerConstant;
import org.kalypso.project.database.common.interfaces.IProjectDatabaseTrigger;
import org.kalypso.project.database.sei.beans.KalypsoProjectBean;
import org.osgi.framework.Bundle;

/**
 * @author Dirk Kuch
 */
public class TriggerHelper {
    private static final String COMMON_FOLDER = "common"; //$NON-NLS-1$

    public static void handleBean(final KalypsoProjectBean bean, final IConfigurationElement element)
            throws Exception {
        /* resolve trigger extension class */
        final String pluginid = element.getContributor().getName();
        final Bundle bundle = Platform.getBundle(pluginid);
        final Class<?> triggerClass = bundle.loadClass(element.getAttribute("class")); //$NON-NLS-1$
        final Constructor<?> constructor = triggerClass.getConstructor();

        final IProjectDatabaseTrigger trigger = (IProjectDatabaseTrigger) constructor.newInstance();

        final FileSystemManager manager = VFSUtilities.getManager();

        /* resolve global dir */
        final String urlGlobalPath = System.getProperty(IProjectDataBaseServerConstant.SERVER_GLOBAL_DATA_PATH);
        final FileObject folderGlobal = manager.resolveFile(urlGlobalPath);
        if (!folderGlobal.exists()) {
            folderGlobal.createFolder();
        }

        /* global "global" dir */
        final FileObject destinationCommonFolder = folderGlobal.resolveFile(COMMON_FOLDER);
        if (!destinationCommonFolder.exists()) {
            destinationCommonFolder.createFolder();
        }

        /* global project dir */
        final FileObject destinationProjectFolder = folderGlobal.resolveFile(bean.getUnixName());
        if (!destinationProjectFolder.exists()) {
            destinationProjectFolder.createFolder();
        }

        trigger.handleCommonData(bean, destinationCommonFolder);
        trigger.handleProjectData(bean, destinationProjectFolder);
    }

}