How to use

appendPolygonText

method

in

com.vividsolutions.jts.io.WKTWriter

/**
 *  Converts a <code>Polygon</code> to &lt;Polygon Tagged Text&gt; format,
 *  then appends it to the writer.
 *
 *@param  polygon  the <code>Polygon</code> to process
 *@param  writer   the output writer to append to
 */
private void appendPolygonTaggedText(Polygon polygon, int level, Writer writer)
 throws IOException
{
 writer.write("POLYGON ");
 appendPolygonText(polygon, level, false, writer);
}

/**
 *  Converts a <code>MultiPolygon</code> to &lt;MultiPolygon Text&gt; format,
 *  then appends it to the writer.
 *
 *@param  multiPolygon  the <code>MultiPolygon</code> to process
 *@param  writer        the output writer to append to
 */
private void appendMultiPolygonText(MultiPolygon multiPolygon, int level, Writer writer)
 throws IOException
{
 if (multiPolygon.isEmpty()) {
  writer.write("EMPTY");
 }
 else {
  int level2 = level;
  boolean doIndent = false;
  writer.write("(");
  for (int i = 0; i < multiPolygon.getNumGeometries(); i++) {
   if (i > 0) {
    writer.write(", ");
    level2 = level + 1;
    doIndent = true;
   }
   appendPolygonText((Polygon) multiPolygon.getGeometryN(i), level2, doIndent, writer);
  }
  writer.write(")");
 }
}

/**
 *  Converts a <code>Polygon</code> to &lt;Polygon Tagged Text&gt; format,
 *  then appends it to the writer.
 *
 *@param  polygon  the <code>Polygon</code> to process
 *@param  writer   the output writer to append to
 */
private void appendPolygonTaggedText(Polygon polygon, int level, Writer writer)
 throws IOException
{
 writer.write("POLYGON ");
 appendPolygonText(polygon, level, false, writer);
}

/**
 *  Converts a <code>MultiPolygon</code> to &lt;MultiPolygon Text&gt; format,
 *  then appends it to the writer.
 *
 *@param  multiPolygon  the <code>MultiPolygon</code> to process
 *@param  writer        the output writer to append to
 */
private void appendMultiPolygonText(MultiPolygon multiPolygon, int level, Writer writer)
 throws IOException
{
 if (multiPolygon.isEmpty()) {
  writer.write("EMPTY");
 }
 else {
  int level2 = level;
  boolean doIndent = false;
  writer.write("(");
  for (int i = 0; i < multiPolygon.getNumGeometries(); i++) {
   if (i > 0) {
    writer.write(", ");
    level2 = level + 1;
    doIndent = true;
   }
   appendPolygonText((Polygon) multiPolygon.getGeometryN(i), level2, doIndent, writer);
  }
  writer.write(")");
 }
}