--- a/server/src/main/java/org/iri_research/renkan/rest/ObjectMapperProvider.java	Sun May 18 10:31:12 2014 +0200
+++ b/server/src/main/java/org/iri_research/renkan/rest/ObjectMapperProvider.java	Sun May 25 13:45:24 2014 +0900
@@ -1,24 +1,55 @@
 package org.iri_research.renkan.rest;
 
+import java.io.IOException;
+
 import javax.ws.rs.ext.ContextResolver;
 import javax.ws.rs.ext.Provider;
 
+import org.springframework.data.mongodb.core.geo.Point;
 import org.springframework.stereotype.Component;
 
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
+import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.datatype.joda.JodaModule;
 
 @Component
 @Provider
 public class ObjectMapperProvider implements ContextResolver<ObjectMapper> {
 
+    public static class RenkanPointDeserializer extends StdDeserializer<Point> {
+
+        private static final long serialVersionUID = -2380557631785838410L;
+
+        protected RenkanPointDeserializer(Class<?> vc) {
+            super(vc);
+        }
+
+        @Override
+        public Point deserialize(JsonParser jp, DeserializationContext ctxt)
+                throws IOException, JsonProcessingException {
+            JsonNode node = jp.getCodec().readTree(jp);
+            double x = node.get("x") != null? node.get("x").asDouble(): Double.NaN;
+            double y = node.get("y") != null? node.get("y").asDouble(): Double.NaN;
+            Point p = new Point(x, y);
+            return p;
+        }
+    }
     @Override
     public ObjectMapper getContext(Class<?> type) {
         ObjectMapper objectMapper = new ObjectMapper();
         objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS,
                 false);
         objectMapper.registerModule(new JodaModule());
+        
+        SimpleModule pointModule = new SimpleModule("RenkanPointModule")
+            .addDeserializer(Point.class, new RenkanPointDeserializer(Point.class));
+        objectMapper.registerModule(pointModule);
 
         return objectMapper;
     }