add query from hatched eggs + rewrite stuff around EggPokemon

src/main/java/com/pokegoapi/api/inventory/EggIncubator.java

@@ -64,9 +64,7 @@ public int getUsesRemaining() {
 	 */
 	public UseItemEggIncubatorResponse.Result hatchEgg(EggPokemon egg)
 			throws LoginFailedException, RemoteServerException {
-		if (!egg.getIsEgg()) {
-			return null;
-		}
+
 		UseItemEggIncubatorMessage reqMsg = UseItemEggIncubatorMessage.newBuilder()
 				.setItemId(proto.getId())
 				.setPokemonId(egg.getId())

src/main/java/com/pokegoapi/api/inventory/Hatchery.java

@@ -15,9 +15,17 @@
 
 package com.pokegoapi.api.inventory;
 
+import POGOProtos.Networking.Requests.Messages.GetHatchedEggsMessageOuterClass.GetHatchedEggsMessage;
+import POGOProtos.Networking.Requests.RequestTypeOuterClass.RequestType;
+import POGOProtos.Networking.Responses.GetHatchedEggsResponseOuterClass.GetHatchedEggsResponse;
+import com.google.protobuf.InvalidProtocolBufferException;
 import com.pokegoapi.api.PokemonGo;
 import com.pokegoapi.api.pokemon.EggPokemon;
-import com.pokegoapi.api.pokemon.Pokemon;
+import com.pokegoapi.api.pokemon.HatchedEgg;
+import com.pokegoapi.exceptions.LoginFailedException;
+import com.pokegoapi.exceptions.RemoteServerException;
+import com.pokegoapi.main.ServerRequest;
+
 import lombok.Getter;
 
 import java.util.ArrayList;
@@ -38,5 +46,34 @@ public Hatchery(PokemonGo instance) {
 	public void addEgg(EggPokemon egg) {
 		eggs.add(egg);
 	}
+
+
+	/**
+	 * Get if eggs has hatched.
+	 * 
+	 * @return list of hatched eggs
+	 * @throws RemoteServerException e
+	 * @throws LoginFailedException e
+	 */
+	public List<HatchedEgg> queryHatchedEggs() throws RemoteServerException, LoginFailedException {
+		GetHatchedEggsMessage msg = GetHatchedEggsMessage.newBuilder().build(); 
+		ServerRequest serverRequest = new ServerRequest(RequestType.GET_HATCHED_EGGS, msg);
+		instance.getRequestHandler().sendServerRequests(serverRequest);
+
+		GetHatchedEggsResponse response = null;
+		try {
+			response = GetHatchedEggsResponse.parseFrom(serverRequest.getData());
+		} catch (InvalidProtocolBufferException e) {
+			throw new RemoteServerException(e);
+		}
+		List<HatchedEgg> eggs = new ArrayList<HatchedEgg>();
+		for (int i = 0; i < response.getPokemonIdCount(); i++) {
+			eggs.add(new HatchedEgg(response.getPokemonId(i), 
+					response.getExperienceAwarded(i), 
+					response.getCandyAwarded(i),
+					response.getStardustAwarded(i)));
+		}
+		return eggs;
+	}
 
 }

src/main/java/com/pokegoapi/api/pokemon/EggPokemon.java

@@ -16,7 +16,13 @@
 package com.pokegoapi.api.pokemon;
 
 import POGOProtos.Data.PokemonDataOuterClass.PokemonData;
+import POGOProtos.Networking.Responses.UseItemEggIncubatorResponseOuterClass.UseItemEggIncubatorResponse;
+
 import com.pokegoapi.api.PokemonGo;
+import com.pokegoapi.api.inventory.EggIncubator;
+import com.pokegoapi.exceptions.LoginFailedException;
+import com.pokegoapi.exceptions.RemoteServerException;
+
 import lombok.Setter;
 
 /**
@@ -30,20 +36,39 @@ public class EggPokemon {
 	private PokemonData proto;
 
 	// API METHODS //
+	/**
+	 * Incubate this egg.
+	 * 
+	 * @param incubator : the incubator
+	 * @return status of putting egg in incubator
+	 * @throws LoginFailedException e
+	 * @throws RemoteServerException e
+	 */
+	public UseItemEggIncubatorResponse.Result incubate(EggIncubator incubator) 
+			throws LoginFailedException, RemoteServerException {
+		if (incubator.isInUse()) {
+			throw new IllegalArgumentException("Incubator already used");
+		}
+		return incubator.hatchEgg(this);
+	}
 
 	// DELEGATE METHODS BELOW //
+	/**
+	 * Build a EggPokemon wrapper from the proto.
+	 * 
+	 * @param proto : the prototype
+	 */
 	public EggPokemon(PokemonData proto) {
+		if (!proto.getIsEgg()) {
+			throw new IllegalArgumentException("You cant build a EggPokemon without a valid PokemonData.");
+		}
 		this.proto = proto;
 	}
 
 	public long getId() {
 		return proto.getId();
 	}
-
-	public boolean getIsEgg() {
-		return proto.getIsEgg();
-	}
-
+
 	public double getEggKmWalkedTarget() {
 		return proto.getEggKmWalkedTarget();
 	}
@@ -63,6 +88,10 @@ public long getCreationTimeMs() {
 	public String getEggIncubatorId() {
 		return proto.getEggIncubatorId();
 	}
+
+	public boolean isIncubate() {
+		return proto.getEggIncubatorId().length() > 0;
+	}
 
 	@Override
 	public int hashCode() {

src/main/java/com/pokegoapi/api/pokemon/HatchedEgg.java

@@ -0,0 +1,14 @@
+package com.pokegoapi.api.pokemon;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Data 
+@AllArgsConstructor
+public class HatchedEgg {
+
+	private Long id;
+	private int	experience;
+	private int	candy;
+	private int stardust;
+}