Class GeoJsonWriter


  • public class GeoJsonWriter
    extends java.lang.Object
    Writes Geometrys as JSON fragments in GeoJson format.
    Author:
    Martin Davis, Paul Howells, Vivid Solutions
    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.lang.String EPSG_PREFIX
      The prefix for EPSG codes in the crs property.
    • Constructor Summary

      Constructors 
      Constructor Description
      GeoJsonWriter()
      Constructs a GeoJsonWriter instance.
      GeoJsonWriter​(int decimals)
      Constructs a GeoJsonWriter instance specifying the number of decimals to use when encoding floating point numbers.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void setEncodeCRS​(boolean isEncodeCRS)
      Sets whether the GeoJSON crs property should be output.
      java.lang.String write​(Geometry geometry)
      Writes a Geometry in GeoJson format to a String.
      void write​(Geometry geometry, java.io.Writer writer)
      Writes a Geometry in GeoJson format into a Writer.
      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • EPSG_PREFIX

        public static final java.lang.String EPSG_PREFIX
        The prefix for EPSG codes in the crs property.
        See Also:
        Constant Field Values
    • Constructor Detail

      • GeoJsonWriter

        public GeoJsonWriter()
        Constructs a GeoJsonWriter instance.
      • GeoJsonWriter

        public GeoJsonWriter​(int decimals)
        Constructs a GeoJsonWriter instance specifying the number of decimals to use when encoding floating point numbers.
        Parameters:
        decimals - the number of decimal places to output
    • Method Detail

      • setEncodeCRS

        public void setEncodeCRS​(boolean isEncodeCRS)
        Sets whether the GeoJSON crs property should be output. The value of the property is taken from geometry SRID.
        Parameters:
        isEncodeCRS - true if the crs property should be output
      • write

        public java.lang.String write​(Geometry geometry)
        Writes a Geometry in GeoJson format to a String.
        Parameters:
        geometry - the geometry to write
        Returns:
        String GeoJson Encoded Geometry
      • write

        public void write​(Geometry geometry,
                          java.io.Writer writer)
                   throws java.io.IOException
        Writes a Geometry in GeoJson format into a Writer.
        Parameters:
        geometry - Geometry to encode
        writer - Stream to encode to.
        Throws:
        java.io.IOException - throws an IOException when unable to write the JSON string