de.renew.workflow.connector.internal.cases.ScenarioCompatibilityHelper.java Source code

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Here is the source code for de.renew.workflow.connector.internal.cases.ScenarioCompatibilityHelper.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 de.renew.workflow.connector.internal.cases;

import java.io.File;
import java.net.URL;
import java.util.Collection;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.filefilter.IOFileFilter;
import org.apache.commons.io.filefilter.TrueFileFilter;
import org.apache.commons.io.filefilter.WildcardFileFilter;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.FileLocator;
import org.kalypso.commons.java.util.zip.ZipUtilities;
import org.kalypso.contribs.eclipse.EclipsePlatformContributionsExtensions;
import org.kalypso.contribs.eclipse.core.resources.ProjectTemplate;

import de.renew.workflow.connector.cases.ScenarioHandlingProjectNature;
import de.renew.workflow.connector.internal.WorkflowConnectorPlugin;

/**
 * Helps to ensure backwards compatibility of kalypso projects.
 *
 * @author Gernot Belger
 */
public class ScenarioCompatibilityHelper {
    // FIXME: probably (hopefully) not needed any more...; remove?
    public static boolean ensureBackwardsCompatibility(final ScenarioHandlingProjectNature nature) {
        // FIXME: this is dirty fix only for this release 2.3
        // should be implemented in other way, we just do not have any time now
        try {
            if (nature == null
                    || !nature.getProject().hasNature("org.kalypso.kalypso1d2d.pjt.Kalypso1D2DProjectNature")) //$NON-NLS-1$
                return true;

            // FIXME: the whole code here does not belong to this place -> this is a hidden dependency to 1d2d: bad!
            // TODO: instead implement an extension point mechanism
            final ProjectTemplate[] lTemplate = EclipsePlatformContributionsExtensions
                    .getProjectTemplates("org.kalypso.kalypso1d2d.pjt.projectTemplate"); //$NON-NLS-1$
            try {
                // FIXME: this very probably does not work correctly or any more at all!

                /* Unpack project from template */
                final File destinationDir = nature.getProject().getLocation().toFile();
                final URL data = lTemplate[0].getData();
                final String location = data.toString();
                final String extension = FilenameUtils.getExtension(location);
                if ("zip".equalsIgnoreCase(extension)) //$NON-NLS-1$
                {
                    // TODO: this completely overwrite the old project content, is this intended?
                    ZipUtilities.unzip(data.openStream(), destinationDir, false);
                } else {
                    final URL fileURL = FileLocator.toFileURL(data);
                    final File dataDir = FileUtils.toFile(fileURL);
                    if (dataDir == null) {
                        return false;
                    }

                    // FIXME: this only fixes the basic scenario, is this intended?

                    final IOFileFilter lFileFilter = new WildcardFileFilter(new String[] { "wind.gml" }); //$NON-NLS-1$
                    final IOFileFilter lDirFilter = TrueFileFilter.INSTANCE;
                    final Collection<?> windFiles = FileUtils.listFiles(destinationDir, lFileFilter, lDirFilter);

                    if (dataDir.isDirectory() && (windFiles == null || windFiles.size() == 0)) {
                        final WildcardFileFilter lCopyFilter = new WildcardFileFilter(
                                new String[] { "*asis", "models", "wind.gml" }); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                        FileUtils.copyDirectory(dataDir, destinationDir, lCopyFilter);
                    } else {
                        return true;
                    }
                }
            } catch (final Throwable t) {
                t.printStackTrace();
                return false;
            }

            nature.getProject().refreshLocal(IResource.DEPTH_INFINITE, null);
        } catch (final CoreException e) {
            // FIXME: this is no error handling; the users are not informed and will stumble over following errors caued by
            // this problem

            WorkflowConnectorPlugin.getDefault().getLog().log(e.getStatus());
            e.printStackTrace();
            return false;
        }

        return true;
    }
}