code: /*******************************************************************************
   * Copyright (c) 2017 Voyager Search
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Apache License, Version 2.0 which
   * accompanies this distribution and is available at
   *    http://www.apache.org/licenses/LICENSE-2.0.txt
   ******************************************************************************/
  
  package org.locationtech.spatial4j.io.jackson;
  
  import java.io.IOException;
  import java.io.Writer;
  
  import org.locationtech.spatial4j.io.ShapeWriter;
  import org.locationtech.spatial4j.shape.Shape;
  
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.databind.ObjectMapper;
  
  /**
   * This is really just a utility for testing
   */
  public class JacksonShapeWriter implements ShapeWriter {
  
    final ObjectMapper mapper;
    
    public JacksonShapeWriter(ObjectMapper m) {
      this.mapper = m;
    }
    
    @Override
    public String getFormatName() {
      return getClass().getSimpleName();
    }
  
    @Override
    public void write(Writer output, Shape shape) throws IOException {
      output.write(toString(shape));
    }
  
    @Override
    public String toString(Shape shape) {
      try {
        return mapper.writeValueAsString(shape);
      } 
      catch (JsonProcessingException e) {
        throw new RuntimeException(e);
      }
    }
  
  }
  