Java tutorial
/*---------------- 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.twodm; import java.io.File; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.net.MalformedURLException; import java.net.URL; import org.apache.commons.lang3.tuple.Pair; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.NullProgressMonitor; import org.kalypso.kalypso1d2d.internal.i18n.Messages; import org.kalypso.kalypso1d2d.internal.importNet.AbstractImport2DImportOperation; import org.kalypso.kalypso1d2d.internal.importNet.Import2dElementsData; import org.kalypso.kalypso1d2d.internal.importNet.Import2dImportData; import com.bce.gis.io.zweidm.IPolygonWithName; import com.bce.gis.io.zweidm.ISmsModel; import com.bce.gis.io.zweidm.SmsParser; /** * @author Gernot Belger */ public class Import2dImport2dmOperation extends AbstractImport2DImportOperation { private static final String EXTENSION_2DM = "*.2dm"; //$NON-NLS-1$ public Import2dImport2dmOperation(final Import2dElementsData data, final Import2dImportData importData) { super(data, importData); } @Override public String getFilterName() { return Messages.getString("Import2dImport2dmOperation_0"); //$NON-NLS-1$ } @Override public String getFilterExtension() { return EXTENSION_2DM; } @Override protected Pair<IStatus, IPolygonWithName[]> readFileData(final File importFile, final int sourceSrid, final IProgressMonitor monitor) throws InvocationTargetException { final SmsParser parser = new SmsParser(sourceSrid); try { final URL url = importFile.toURI().toURL(); final IStatus parseStatus = parser.parse(url, new NullProgressMonitor()); if (parseStatus.matches(IStatus.ERROR)) return Pair.of(parseStatus, null); final ISmsModel model = parser.getModel(); final SmsConverter converter = new SmsConverter(model); final SmsCollectorTarget target = new SmsCollectorTarget(); converter.addTarget(target); converter.execute(); final IPolygonWithName[] elements = target.getElements(); return Pair.of(parseStatus, elements); } catch (final MalformedURLException e) { throw new InvocationTargetException(e); } catch (final IOException e) { throw new InvocationTargetException(e); } } }