addded endpoint for autocomplete ISO3 code

src/main/java/org/genesys/catalog/api/v0/GeoController.java

@@ -16,6 +16,7 @@
 package org.genesys.catalog.api.v0;
 
 import java.io.IOException;
+import java.util.List;
 import java.util.UUID;
 
 import org.genesys.catalog.exceptions.NotFoundElement;
@@ -28,12 +29,7 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.MediaType;
 import org.springframework.security.access.prepost.PreAuthorize;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.ResponseBody;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
@@ -108,4 +104,18 @@ public class GeoController {
 		throw new NotFoundElement("Code is not in valid format: 3-letter | 2-letter | numeric");
 	}
 
+	/**
+	 * Autocomplete.
+	 *
+	 * @param text the text
+	 * @return the list
+	 * @throws IOException Signals that an I/O exception has occurred.
+	 */
+	@GetMapping(value = "/iso3166/autocomplete", produces = MediaType.APPLICATION_JSON_VALUE)
+	public List<VocabularyTerm> autocompleteGeoTerm(@RequestParam("c") final String text) throws IOException {
+
+		return vocabularyService.autocompleteTerms(ISO3166_3ALPHA, text);
+
+	}
+
 }