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/**
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/*
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 * $Id: GeometryFactoryHelper.java 130 2009-04-01 22:13:06Z maesenka $
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 * $Id: GeometryFactoryHelper.java 200 2010-03-31 19:52:12Z maesenka $
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 *
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 *
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 * This file is part of Hibernate Spatial, an extension to the
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 * This file is part of Hibernate Spatial, an extension to the
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 * hibernate ORM solution for geographic data.
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 * hibernate ORM solution for geographic data.
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 *
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 * Copyright © 2007 Geovise BVBA
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 *
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 *
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 * This work was partially supported by the European Commission,
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 * Copyright © 2007-2010 Geovise BVBA
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 * under the 6th Framework Programme, contract IST-2-004688-STP.
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 *
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 *
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 * This library is free software; you can redistribute it and/or
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 *
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 * For more information, visit: http://www.hibernatespatial.org/
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 * For more information, visit: http://www.hibernatespatial.org/
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 */
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 */
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package org.hibernatespatial.cfg;
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package org.hibernatespatial.cfg;
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import com.vividsolutions.jts.geom.PrecisionModel;
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import java.util.Map;
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import org.hibernatespatial.mgeom.MGeometryFactory;
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import org.slf4j.Logger;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.slf4j.LoggerFactory;
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import org.hibernatespatial.mgeom.MGeometryFactory;
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import com.vividsolutions.jts.geom.PrecisionModel;
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import java.util.Map;
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/**
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 * Factory for creating a <code>GeometryFactory</code> given a map of
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 * configuration parameters.
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 *
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 * @author Karel Maesen, Geovise BVBA
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 */
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public class GeometryFactoryHelper {
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public class GeometryFactoryHelper {
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	private static Logger logger = LoggerFactory.getLogger(GeometryFactoryHelper.class);
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    private static Logger logger = LoggerFactory.getLogger(GeometryFactoryHelper.class);
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	public static MGeometryFactory createGeometryFactory(Map map) {
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    public static MGeometryFactory createGeometryFactory(Map map) {
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		if (map == null) {
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        if (map == null) {
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			return new MGeometryFactory();
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            return new MGeometryFactory();
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		}
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        }
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		String precisionModelName = null;
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        String precisionModelName = null;
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		Double scale = null;
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        Double scale = null;
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		if (map.containsKey(HSProperty.PRECISION_MODEL.toString())) {
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        if (map.containsKey(HSProperty.PRECISION_MODEL.toString())) {
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			precisionModelName = (String) map.get(HSProperty.PRECISION_MODEL
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            precisionModelName = (String) map.get(HSProperty.PRECISION_MODEL
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					.toString());
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                    .toString());
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		}
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        }
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		if (map.containsKey(HSProperty.PRECISION_MODEL_SCALE.toString())) {
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        if (map.containsKey(HSProperty.PRECISION_MODEL_SCALE.toString())) {
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			scale = Double.parseDouble(((String) map
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            scale = Double.parseDouble(((String) map
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					.get(HSProperty.PRECISION_MODEL_SCALE.toString())));
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                    .get(HSProperty.PRECISION_MODEL_SCALE.toString())));
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		}
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        }
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		if (scale != null && !scale.isNaN() && precisionModelName != null
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        if (scale != null && !scale.isNaN() && precisionModelName != null
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				&& precisionModelName.equalsIgnoreCase("FIXED")) {
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                && precisionModelName.equalsIgnoreCase("FIXED")) {
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			return new MGeometryFactory(new PrecisionModel(scale));
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            return new MGeometryFactory(new PrecisionModel(scale));
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		}
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        }
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		if (precisionModelName == null) {
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        if (precisionModelName == null) {
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			return new MGeometryFactory();
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            return new MGeometryFactory();
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		}
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        }
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		if (precisionModelName.equalsIgnoreCase("FIXED")) {
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        if (precisionModelName.equalsIgnoreCase("FIXED")) {
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			return new MGeometryFactory(
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            return new MGeometryFactory(
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					new PrecisionModel(PrecisionModel.FIXED));
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                    new PrecisionModel(PrecisionModel.FIXED));
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		}
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        }
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		if (precisionModelName.equalsIgnoreCase("FLOATING")) {
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        if (precisionModelName.equalsIgnoreCase("FLOATING")) {
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			return new MGeometryFactory(new PrecisionModel(
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            return new MGeometryFactory(new PrecisionModel(
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					PrecisionModel.FLOATING));
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                    PrecisionModel.FLOATING));
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		}
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        }
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		if (precisionModelName.equalsIgnoreCase("FLOATING_SINGLE")) {
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        if (precisionModelName.equalsIgnoreCase("FLOATING_SINGLE")) {
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			return new MGeometryFactory(new PrecisionModel(
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            return new MGeometryFactory(new PrecisionModel(
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					PrecisionModel.FLOATING_SINGLE));
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                    PrecisionModel.FLOATING_SINGLE));
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		}
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        }
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		logger.warn("Configured for PrecisionModel: " + precisionModelName
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        logger.warn("Configured for PrecisionModel: " + precisionModelName
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				+ " but don't know how to instantiate.");
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                + " but don't know how to instantiate.");
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		logger.warn("Reverting to default GeometryModel");
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        logger.warn("Reverting to default GeometryModel");
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		return new MGeometryFactory();
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        return new MGeometryFactory();
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	}
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    }
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}
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}