org.kalypso.kalypso1d2d.internal.importNet.AbstractImport2DImportOperation.java Source code

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Here is the source code for org.kalypso.kalypso1d2d.internal.importNet.AbstractImport2DImportOperation.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.kalypso1d2d.internal.importNet;

import java.io.File;
import java.lang.reflect.InvocationTargetException;

import org.apache.commons.lang3.tuple.Pair;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.kalypso.contribs.eclipse.ui.progress.ProgressUtilities;
import org.kalypso.kalypso1d2d.internal.i18n.Messages;
import org.kalypso.kalypso1d2d.pjt.Kalypso1d2dProjectPlugin;
import org.kalypsodeegree_impl.model.geometry.JTSAdapter;

import com.bce.gis.io.zweidm.IPolygonWithName;

/**
 * @author Gernot Belger
 */
public abstract class AbstractImport2DImportOperation implements IImport2dImportOperation {
    private final Import2dImportData m_importData;

    private final Import2dElementsData m_data;

    public AbstractImport2DImportOperation(final Import2dElementsData data, final Import2dImportData importData) {
        m_data = data;
        m_importData = importData;
    }

    @Override
    public final IStatus execute(final IProgressMonitor monitor) throws CoreException, InvocationTargetException {
        monitor.beginTask(Messages.getString("AbstractImport2DImportOperation_0"), 100); //$NON-NLS-1$

        /* Read the file */
        final String srs = m_importData.getSrs();
        final int sourceSrid = JTSAdapter.toSrid(srs);
        final File importFile = m_importData.getFile();

        monitor.subTask(
                String.format(Messages.getString("AbstractImport2DImportOperation_1"), importFile.getName())); //$NON-NLS-1$

        final Pair<IStatus, IPolygonWithName[]> readData = readFileData(importFile, sourceSrid,
                new SubProgressMonitor(monitor, 33));

        final IStatus readStatus = readData.getKey();
        final IPolygonWithName[] value = readData.getValue();

        if (readStatus.matches(IStatus.ERROR)) {
            /* Stop here, old data remains unchanged */
            return readStatus;
        }

        /* Check for cancel */
        ProgressUtilities.worked(monitor, 0);

        monitor.subTask(
                String.format(Messages.getString("AbstractImport2DImportOperation_2"), importFile.getName())); //$NON-NLS-1$

        analyzeElements(value);

        /* Check for cancel */
        ProgressUtilities.worked(monitor, 0);

        m_data.setElements(value);
        m_data.setLastReadStatus(readStatus);

        /* always only return read status, the analyse status is shown in the details panel */
        return readStatus;
    }

    // TODO: implement analysis, for now we mark every polygon with the same status
    private void analyzeElements(final IPolygonWithName[] elements) {
        final IStatus infoStatus = new Status(IStatus.INFO, Kalypso1d2dProjectPlugin.PLUGIN_ID,
                Messages.getString("AbstractImport2DImportOperation.0")); //$NON-NLS-1$

        for (final IPolygonWithName element : elements)
            element.setStatus(infoStatus);
    }

    protected abstract Pair<IStatus, IPolygonWithName[]> readFileData(File importFile, int sourceSrid,
            IProgressMonitor monitor) throws InvocationTargetException, CoreException;
}