Package org.codice.ddf.spatial.geocoding

Interface FeatureExtractor

public interface FeatureExtractor

A FeatureExtractor provides methods for extracting SimpleFeature objects from various resources.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	FeatureExtractor.ExtractionCallback

Method Summary

Modifier and Type	Method	Description
void	pushFeaturesToExtractionCallback(String resource, FeatureExtractor.ExtractionCallback extractionCallback)	Extracts geographic features from a resource as SimpleFeature objects and passes each through the callback extractionCallback.

Method Details

pushFeaturesToExtractionCallback

void pushFeaturesToExtractionCallback(String resource,
 FeatureExtractor.ExtractionCallback extractionCallback)
                               throws FeatureExtractionException

Extracts geographic features from a resource as SimpleFeature objects and passes each through the callback extractionCallback. The callback is called exactly once for each SimpleFeature object extracted from the resource.

Parameters:

resource - identifier for the resource containing geographic features. The implementation decides how to resolve it (filesystem, url, etc).

extractionCallback - the callback that receives each extracted SimpleFeature object, must not be null

Throws:

IllegalArgumentException - if extractionCallback is null

FeatureExtractionException - if an error occurs while extracting features from the resource