Method for handling DELETE request is implemented.

Added a helper static class to store data about pokemons.

src/main/java/nl/utwente/mod4/pokemon/routes/Pokemon.java

@@ -11,6 +11,8 @@ import nl.utwente.mod4.pokemon.model.ResourceCollection;
 @Path("/pokemon")
 public class Pokemon {
 
+    public int counter = 0;
+
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     public ResourceCollection<PokemonEntity> getAllPokemon() {
@@ -23,17 +25,24 @@ public class Pokemon {
     @Path("/{id}")
     @Produces(MediaType.APPLICATION_JSON)
     public ResourceCollection<PokemonEntity> getPokemonById(@PathParam("id") int id) {
-        HashMap<Integer, PokemonEntity> map = new HashMap<>();
-        map.put(1, new PokemonEntity("Pikachu", 513, 1));
-        map.put(2, new PokemonEntity("Pikipek", 514, 2));
 
-        PokemonEntity requestedPokemon = map.get(id);
-        if(requestedPokemon == null) {
-            throw new WebApplicationException(Response.Status.NOT_FOUND);
-        }
-        return new ResourceCollection<>(new PokemonEntity[]{requestedPokemon}, 1, 1, 1);
+            PokemonEntity requestedPokemon = PokemonHelperClass.getPokemon(id);
+            if (requestedPokemon == null) {
+                throw new NotFoundException();
+            }
+            return new ResourceCollection<>(new PokemonEntity[]{requestedPokemon}, 1, 1, 1);
 
     }
 
+    @DELETE
+    @Path("/{id}")
+    public void deletePokemonById(@PathParam("id") int id) {
+        PokemonEntity pokemonToDelete = PokemonHelperClass.getPokemon(id);
+        if (pokemonToDelete == null) {
+            throw new WebApplicationException(Response.Status.BAD_REQUEST);
+        } else {
+            PokemonHelperClass.deletePokemon(id);
+        }
+    }
 
 }

src/main/java/nl/utwente/mod4/pokemon/routes/PokemonHelperClass.java

+package nl.utwente.mod4.pokemon.routes;
+
+import nl.utwente.mod4.pokemon.model.PokemonEntity;
+
+import java.util.*;
+
+public class PokemonHelperClass {
+
+    public static Map<Integer, PokemonEntity> pokemonMap = new HashMap<Integer, PokemonEntity>();
+
+    static {
+        pokemonMap.put(1, new PokemonEntity("Pikachu", 513, 1));
+        pokemonMap.put(2, new PokemonEntity("Pikipek", 514, 2));
+    }
+
+    public static PokemonEntity getPokemon(int id) {
+        return pokemonMap.get(id);
+    }
+
+    public static void deletePokemon(int id) {
+        pokemonMap.remove(id);
+    }
+
+}