Examples of org.geotools.data.crs.ForceCoordinateSystemFeatureResults

org.geotools.data.crs.ForceCoordinateSystemFeatureResults
ForceCoordinateSystemFeatureResults provides a CoordinateReferenceSystem for FeatureTypes.
ForceCoordinateSystemFeatureReader is a wrapper used to force GeometryAttributes to a user supplied CoordinateReferenceSystem rather then the default supplied by the DataStore.

Example Use:
```
 ForceCoordinateSystemFeatureResults results = new ForceCoordinateSystemFeatureResults( originalResults, forceCS ); CoordinateReferenceSystem originalCS = originalResults.getFeatureType().getDefaultGeometry().getCoordinateSystem(); CoordinateReferenceSystem newCS = reader.getFeatureType().getDefaultGeometry().getCoordinateSystem(); assertEquals( forceCS, newCS ); 
```
@author aaime @source $URL$ @version $Id$

            if(crs != null) {
                // do we need to force the crs onto the collection?
                CoordinateReferenceSystem nativeCrs = fc.getSchema().getGeometryDescriptor().getCoordinateReferenceSystem();
                if(nativeCrs == null) {
                    // we need crs forcing
                    fc = new ForceCoordinateSystemFeatureResults(fc, crs, false);
                }
                
                // we assume the crs has a valid EPSG code 
                Integer code = CRS.lookupEpsgCode(crs, false);
                if(code != null) {

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        } 
        CoordinateReferenceSystem nativeCRS = fc.getSchema().getGeometryDescriptor().getCoordinateReferenceSystem();
        
        if(nativeCRS == null) {
            if(declaredCRS != null) {
                fc =  new ForceCoordinateSystemFeatureResults(fc, declaredCRS);
                nativeCRS = declaredCRS;
            }
        } else if(srsHandling == ProjectionPolicy.FORCE_DECLARED && !nativeCRS.equals(declaredCRS)) {
            fc =  new ForceCoordinateSystemFeatureResults(fc, declaredCRS);
            nativeCRS = declaredCRS;
        } else if(srsHandling == ProjectionPolicy.REPROJECT_TO_DECLARED && targetCRS == null
                && !nativeCRS.equals(declaredCRS)) {
            fc = new ReprojectFeatureResults(fc,declaredCRS);
        }

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    @Test
    public void testImportBuildings() throws Exception {
        FeatureTypeInfo ti = getCatalog().getFeatureTypeByName(getLayerId(SystemTestData.BUILDINGS));
        SimpleFeatureCollection rawSource = (SimpleFeatureCollection) ti.getFeatureSource(null,
                null).getFeatures();
        ForceCoordinateSystemFeatureResults forced = new ForceCoordinateSystemFeatureResults(
                rawSource, CRS.decode("EPSG:4326"));


        ImportProcess importer = new ImportProcess(getCatalog());
        String result = importer.execute(forced, null, SystemTestData.CITE_PREFIX, SystemTestData.CITE_PREFIX,
                "Buildings2", null, null, null);

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            if(crs != null) {
                // do we need to force the crs onto the collection?
                CoordinateReferenceSystem nativeCrs = fc.getSchema().getGeometryDescriptor().getCoordinateReferenceSystem();
                if(nativeCrs == null) {
                    // we need crs forcing
                    fc = new ForceCoordinateSystemFeatureResults(fc, crs, false);
                }
                
                // we assume the crs has a valid EPSG code 
                Integer code = CRS.lookupEpsgCode(crs, false);
                if(code != null) {

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