Example usage for org.json.simple JSONStreamAware JSONStreamAware

Introduction

In this page you can find the example usage for org.json.simple JSONStreamAware JSONStreamAware.

Prototype

JSONStreamAware

Source Link

Usage

From source file:at.localhost.vectorworldmap.util.FeatureJSON.java

/**
 * Writes a feature collection as GeoJSON.
 *
 * @param features The feature collection.
 * @param output The output. See {@link GeoJSONUtil#toWriter(Object)} for details.
 *//*from w w  w . j  a va 2s.c  o m*/
public void writeFeatureCollection(FeatureCollection features, Object output) throws IOException {
    LinkedHashMap obj = new LinkedHashMap();
    obj.put("type", "FeatureCollection");
    if (encodeFeatureCollectionBounds || encodeFeatureCollectionCRS) {
        final ReferencedEnvelope bounds = features.getBounds();

        if (encodeFeatureCollectionBounds) {
            obj.put("bbox", new JSONStreamAware() {
                public void writeJSONString(Writer out) throws IOException {
                    JSONArray.writeJSONString(Arrays.asList(bounds.getMinX(), bounds.getMinY(),
                            bounds.getMaxX(), bounds.getMaxY()), out);
                }
            });
        }

        if (encodeFeatureCollectionCRS) {
            obj.put("crs", createCRS(bounds.getCoordinateReferenceSystem()));
        }
    }
    if (encodeDistanceTolerance) {
        obj.put("tolerance", Double.toString(distanceTolerance));
    }
    obj.put("features", new FeatureCollectionEncoder(features, gjson));
    GeoJSONUtil.encode(obj, output);
}

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