root / branches / v2_0_0_prep / libraries / libProjection / src / org / cresques / impl / coerce / CoerceToCRS.java @ 34708
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.cresques.impl.coerce; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataTypesManager.Coercion; |
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/**
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* Convert a string value of projection code to IProjection
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*
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* @author gvSIG Team
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* @version $Id$
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*
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*/
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public class CoerceToCRS implements Coercion { |
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public Object coerce(Object value) throws CoercionException { |
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try {
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if( value == null || value instanceof IProjection) { |
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return value;
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} |
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Object proj = CRSFactory.getCRS(value.toString());
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if( proj == null ) { |
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throw new CoercionException("Can't convert value '"+value.toString()+"' to Projection."); |
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} |
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return proj;
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} catch (Exception e) { |
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throw new CoercionException(e); |
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} |
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} |
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} |