root / org.gvsig.jcrs / libJCRS / src / org / gvsig / crs / CrsFactory.java @ 38
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 Instituto de Desarrollo Regional and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)
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* Campus Universitario s/n
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* 02071 Alabacete
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* Spain
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*
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* +34 967 599 200
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*/
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package org.gvsig.crs; |
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import java.util.TreeMap; |
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import org.cresques.cts.ICRSFactory; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.crs.repository.EpsgRepository; |
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import org.gvsig.crs.repository.EpsgRepositoryGT; |
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import org.gvsig.crs.repository.EsriRepository; |
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import org.gvsig.crs.repository.EsriRepositoryGT; |
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import org.gvsig.crs.repository.ICrsRepository; |
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import org.gvsig.crs.repository.Iau2000Repository; |
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import org.gvsig.crs.repository.Iau2000RepositoryGT; |
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import org.gvsig.crs.repository.UsrRepository; |
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import org.gvsig.crs.repository.UsrRepositoryGT; |
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/**
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* Clase que consigue el CRS a trav?s del c?digo de la EPSG o de
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* la cadena WKT
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*
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* @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)
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*
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*/
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public class CrsFactory implements ICRSFactory { |
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static TreeMap data = new TreeMap(); |
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public CrsFactory() {
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} |
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/**
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* Obtiene un CRS a partir de su c?digo (p.e. EPSG:23030).
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* @param code
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* @return
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* @throws CrsException
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*/
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public ICrs getCRS(String code) throws CrsException { |
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/*if (data.containsKey(code))
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return (ICrs) data.get(code);*/
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String repoId = ""; |
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String crsCode = ""; |
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ICrs crs = null;
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if(code.indexOf(":", code.indexOf(":")+1)<0){ |
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repoId = code.substring(0, code.indexOf(":")); |
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crsCode = code.substring(code.indexOf(":")+1); |
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ICrsRepository repo = null;
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if(repoId.equals("EPSG")){ |
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repo = new EpsgRepositoryGT();
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crs = repo.getCrs(crsCode); |
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if (crs==null) { |
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repo = new EpsgRepository();
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crs = repo.getCrs(crsCode); |
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} |
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}else if (repoId.equals("IAU2000")){ |
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repo = new Iau2000RepositoryGT();
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crs = repo.getCrs(crsCode); |
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if (crs==null) { |
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repo = new Iau2000Repository();
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crs = repo.getCrs(crsCode); |
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} |
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}else if (repoId.equals("ESRI")){ |
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repo = new EsriRepositoryGT();
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crs = repo.getCrs(crsCode); |
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if (crs==null) { |
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repo = new EsriRepository();
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crs = repo.getCrs(crsCode); |
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} |
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}else if (repoId.equals("USR")){ |
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repo = new UsrRepositoryGT();
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crs = repo.getCrs(crsCode); |
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if (crs==null) { |
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repo = new UsrRepository();
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crs = repo.getCrs(crsCode); |
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} |
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} |
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} |
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else{
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String sourceParams = null; |
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String targetParams = null; |
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crsCode = code.substring(0,code.indexOf(":",code.indexOf(":")+1)); |
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if (code.indexOf("@")==-1){ |
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crsCode=crsCode.substring(0, crsCode.indexOf(",")); |
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}else{
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sourceParams = code.substring(code.indexOf("@")+1,code.lastIndexOf("@")); |
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targetParams = code.substring(code.lastIndexOf("@")+1); |
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if (sourceParams.equals("")) |
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sourceParams = null;
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else if (targetParams.equals("1")){ // Compativilidad con versiones de libJCrs sin soporte para transf. compuestas. |
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targetParams = sourceParams; |
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sourceParams = "";
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} |
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if (targetParams.equals("")||targetParams.equals("0")) // Compativilidad con versiones de libJCrs sin soporte para transf. compuestas. |
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targetParams = null;
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} |
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crs = getCRS(crsCode); |
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crs.setTransformationParams(sourceParams,targetParams); |
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} |
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/*code = crs.getAbrev();
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data.put(code, crs);*/
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return crs;
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/*if (data.containsKey(code))
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return (Crs) data.get(code);
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Crs crs = new Crs(code);
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// LWS Esta l?nea sobra, cuando el cuadro de di?logo est?
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// mejor hecho.
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code = crs.getAbrev();
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data.put(code, crs);
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return crs;*/
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} |
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/**
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*
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* @param epsg_code
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* @param code
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* @return
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* @throws CrsException
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*/
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public ICrs getCRS(int epsg_code, String code) throws CrsException { |
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/*if (data.containsKey(code))
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return (Crs) data.get(code);*/
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Crs crs = new Crs(epsg_code, code);
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// LWS Esta l?nea sobra, cuando el cuadro de di?logo est?
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// mejor hecho.
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/*code = crs.getAbrev();
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data.put(code, crs);*/
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return crs;
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} |
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/**
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*
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* @param epsg_code
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* @param code
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* @param params
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* @return
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* @throws CrsException
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*/
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public ICrs getCRS(int epsg_code, String code, String params) throws CrsException { |
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/*if (data.containsKey(code))
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return (Crs) data.get(code);*/
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Crs crs = new Crs(epsg_code, code,params);
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// LWS Esta l?nea sobra, cuando el cuadro de di?logo est?
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// mejor hecho.
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/*code = crs.getAbrev();
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data.put(code, crs);*/
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return crs;
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} |
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/**
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*
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*/
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public IProjection get(String name) { |
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// TODO Auto-generated method stub
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try {
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return getCRS(name);
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} catch (CrsException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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return null; |
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} |
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/**
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*
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*/
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public boolean doesRigurousTransformations() { |
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return true; |
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} |
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} |