root / org.gvsig.projection.jcrs / trunk / org.gvsig.projection.jcrs / org.gvsig.projection.jcrs.lib / src / main / java / org / gvsig / crs / spatialReferenceIdentifyStrategies / IdentifyEsri.java @ 841
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package org.gvsig.crs.spatialReferenceIdentifyStrategies; |
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import es.idr.teledeteccion.connection.EpsgConnection; |
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import es.idr.teledeteccion.connection.Query; |
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import java.sql.ResultSet; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gdal.osr.SpatialReference; |
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public class IdentifyEsri extends AbstractIdentifyStrategy { |
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private int best_code; |
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public IdentifyEsri() {
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} |
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public int getBestAccuracy() { |
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if( best_code == 0 ) { |
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return 1000; |
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} |
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return 0; |
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} |
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public SpatialReference getBest() {
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SpatialReference sr = createSpatialReferenceFromEPSGCode(best_code); |
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return sr;
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} |
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public SpatialReference identify(SpatialReference sr) {
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if (autoIdentifyEPSG(sr)) {
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return sr;
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} |
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String source_proj4 = getProj4String(sr);
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String sql = ""; |
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if (sr.IsGeographic() == 1) { |
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sql = "SELECT ESRI_CODE, ESRI_WKT FROM ESRI WHERE ESRI_WKT LIKE 'GEOGCS%'"
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+ " AND ESRI_GEOG LIKE '" + StringUtils.replace(sr.GetAttrValue("GEOGCS"), "'", "''") + "'"; |
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} else {
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if (sr.IsProjected() == 1) { |
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sql = "SELECT ESRI_CODE, ESRI_WKT FROM ESRI WHERE ESRI_WKT LIKE 'PROJCS%'"
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+ " AND ESRI_PROJ LIKE '" + StringUtils.replace(sr.GetAttrValue("PROJCS"), "'", "''") + "'"; |
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} |
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} |
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logger.debug(sql); |
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int code = 0; |
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best_code = 0;
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EpsgConnection conn = null;
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try {
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conn = new EpsgConnection();
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conn.setConnectionEsri(); |
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ResultSet result = Query.select(sql, conn.getConnection()); |
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while (result.next()) {
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code = result.getInt("ESRI_CODE");
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String wkt = result.getString("ESRI_WKT"); |
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logger.debug("Trying to match ESRI:{}...", code);
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try {
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SpatialReference target_sr = new SpatialReference();
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target_sr.ImportFromWkt(wkt); |
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target_sr.MorphFromESRI(); |
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String target_proj4 = target_sr.ExportToProj4();
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if (StringUtils.equals(source_proj4, target_proj4)) {
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logger.debug("ESRI:{} matches!", code);
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best_code = code; |
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return createSpatialReferenceFromESRICode(code);
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} |
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} catch (Exception e) { |
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//logger.debug("Can't identify the ESRI code...");
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} |
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} |
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} catch(Exception ex) { |
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} finally {
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if( conn != null ) { |
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try {
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conn.close(); |
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} catch(Exception ex1) { |
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} |
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} |
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} |
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logger.debug("Can't identify the ESRI code...");
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best_code = 0;
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return null; |
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} |
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} |