org.kalypso.gml.processes.tin.TinLoadJob.java Source code

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Here is the source code for org.kalypso.gml.processes.tin.TinLoadJob.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.gml.processes.tin;

import java.math.BigDecimal;
import java.net.URL;

import org.apache.commons.lang3.Range;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.kalypso.gml.processes.KalypsoGmlProcessesPlugin;
import org.kalypso.gml.processes.i18n.Messages;
import org.kalypso.ogc.gml.serialize.GmlSerializer;
import org.kalypsodeegree.model.feature.GMLWorkspace;
import org.kalypsodeegree.model.geometry.GM_Envelope;
import org.kalypsodeegree.model.geometry.GM_Triangle;
import org.kalypsodeegree.model.geometry.GM_TriangulatedSurface;
import org.kalypsodeegree.model.geometry.MinMaxSurfacePatchVisitor;

/**
 * Helper that loads the tin in a job.
 * 
 * @author Gernot Belger
 */
public class TinLoadJob extends Job {
    private final TriangulatedSurfaceTin m_triangulatedSurfaceTin;

    private TriangulatedSurfaceFeature m_surface;

    private Range<BigDecimal> m_minMax;

    public TinLoadJob(final TriangulatedSurfaceTin triangulatedSurfaceTin) {
        super("TIN Loader"); //$NON-NLS-1$

        m_triangulatedSurfaceTin = triangulatedSurfaceTin;

        setUser(false);
    }

    @Override
    protected IStatus run(final IProgressMonitor monitor) {
        final URL dataLocation = m_triangulatedSurfaceTin.getDataLocation();
        final String mimeType = m_triangulatedSurfaceTin.getMimeType();

        try {
            Assert.isTrue("application/gml+xml".equals(mimeType)); //$NON-NLS-1$

            final GMLWorkspace workspace = GmlSerializer.createGMLWorkspace(dataLocation, null, monitor);

            m_surface = (TriangulatedSurfaceFeature) workspace.getRootFeature();

            /* Determine min/max */
            final GM_TriangulatedSurface triangulatedSurface = m_surface.getTriangulatedSurface();

            final MinMaxSurfacePatchVisitor<GM_Triangle> minMaxVisitor = new MinMaxSurfacePatchVisitor<>();
            final GM_Envelope surfaceEnvelope = m_surface.getEnvelope();
            triangulatedSurface.acceptSurfacePatches(surfaceEnvelope, minMaxVisitor, new NullProgressMonitor());

            final BigDecimal min = minMaxVisitor.getMin();
            final BigDecimal max = minMaxVisitor.getMax();

            m_minMax = Range.between(min, max);

            return Status.OK_STATUS;
        } catch (final Exception e) {
            final String message = String.format(Messages.getString("TinLoadJob_0"), dataLocation); //$NON-NLS-1$
            return new Status(IStatus.ERROR, KalypsoGmlProcessesPlugin.PLUGIN_ID, message, e);
        }
    }

    public TriangulatedSurfaceFeature getSurface() {
        return m_surface;
    }

    public Range<BigDecimal> getMinMax() {
        return m_minMax;
    }
}