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A driver for DataStax Enterprise (DSE) and Apache Cassandra 1.2+ clusters that works exclusively with the Cassandra Query Language version 3 (CQL3) and Cassandra's binary protocol, supporting DSE-specific features such as geospatial types, DSE Graph and DSE authentication.

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/*
 * Copyright DataStax, Inc.
 *
 * This software can be used solely with DataStax Enterprise. Please consult the license at
 * http://www.datastax.com/terms/datastax-dse-driver-license-terms
 */
package com.datastax.driver.dse.graph;

import com.datastax.driver.dse.geometry.Geometry;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
import java.io.IOException;

/**
 * Default serializer used by the driver for geospatial types. It serializes {@link Geometry}
 * instances into their Well-Known Text (WKT) equivalent.
 */
class DefaultGeometrySerializer extends StdSerializer {

  DefaultGeometrySerializer() {
    super(Geometry.class);
  }

  @Override
  public void serialize(Geometry value, JsonGenerator jsonGenerator, SerializerProvider serializers)
      throws IOException {
    jsonGenerator.writeString(value.asWellKnownText());
  }
}