/* * JGrass - Free Open Source Java GIS http://www.jgrass.org * (C) HydroloGIS - www.hydrologis.com * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Library General Public License as published by the Free * Software Foundation; either version 2 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 Library General Public License for more * details. * * You should have received a copy of the GNU Library General Public License * along with this library; if not, write to the Free Foundation, Inc., 59 * Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package org.jgrasstools.gears.io.dxfdwg.libs; import java.io.File; import java.io.IOException; import java.util.List; import org.jgrasstools.gears.io.dxfdwg.libs.dwg.DwgFile; import org.opengis.referencing.crs.CoordinateReferenceSystem; public class DwgHandler { private final DwgFile dwgFile; private GeometryTranslator gTranslator; public DwgHandler( File dxfFile, CoordinateReferenceSystem crs ) { this.dwgFile = new DwgFile(dxfFile.getAbsolutePath()); gTranslator = new GeometryTranslator(crs); } public DwgReader getDwgReader() throws Exception { return new DwgReader(dwgFile, gTranslator); } public List<String> getLayerTypes() throws Exception { dwgFile.read(); dwgFile.initializeLayerTable(); dwgFile.calculateGisModelDwgPolylines(); dwgFile.applyExtrusions(); dwgFile.testDwg3D(); dwgFile.blockManagement(); List<String> layerNames = dwgFile.getLayerNames(); if (layerNames.isEmpty()) { throw new IOException("No layer found in the file."); } return layerNames; } }