added static methods to construct a PlayCard message for each card type

Projekte/mdga/model/src/main/java/pp.mdga/message/server/PlayCard.java

@@ -18,26 +18,60 @@ public class PlayCard extends ServerMessage {
      */
     private final String pieceIdentifier;
 
+    private final String pieceIdentifierEnemy;
+
     /**
      * Constructs a new PlayCard message.
      *
      * @param card            the card that should be played
      * @param pieceIdentifier the identifier of the piece that should be moved
      */
-    public PlayCard(BonusCard card, String pieceIdentifier) {
+    public PlayCard(BonusCard card, String pieceIdentifier, String pieceIdentifierEnemy) {
         super();
         this.card = card;
         this.pieceIdentifier = pieceIdentifier;
+        this.pieceIdentifierEnemy = pieceIdentifierEnemy;
     }
 
     /**
      * Default constructor for serialization purposes.
      */
     private PlayCard() {
+        this.pieceIdentifierEnemy = null;
         card = null;
         pieceIdentifier = null;
     }
 
+    /**
+     * Creates a new PlayCard message for the given card and piece identifier.
+     *
+     * @param pieceIdentifier the identifier of the piece of the player that should be affected
+     * @param pieceIdentifierEnemy the identifier of the enemy piece that should be affected
+     * @return a new PlayCard message
+     */
+    public static PlayCard swap(String pieceIdentifier, String pieceIdentifierEnemy) {
+        return new PlayCard(BonusCard.SWAP, pieceIdentifier, pieceIdentifierEnemy);
+    }
+
+    /**
+     * Creates a new PlayCard message for the given card and piece identifier.
+     *
+     * @return a new PlayCard message
+     */
+    public static PlayCard turbo() {
+        return new PlayCard(BonusCard.TURBO, null, null);
+    }
+
+    /**
+     * Creates a new PlayCard message for the given card and piece identifier.
+     *
+     * @param pieceIdentifier the identifier of the piece of the player that should be affected
+     * @return a new PlayCard message
+     */
+    public static PlayCard shield(String pieceIdentifier) {
+        return new PlayCard(BonusCard.SHIELD, pieceIdentifier, null);
+    }
+
     /**
      * Returns the card that should be played.
      *
@@ -56,6 +90,15 @@ public String getPieceIdentifier() {
         return pieceIdentifier;
     }
 
+    /**
+     * Returns the identifier of the enemy piece that should be moved.
+     *
+     * @return the identifier of the enemy piece that should be moved
+     */
+    public String getPieceIdentifierEnemy() {
+        return pieceIdentifierEnemy;
+    }
+
     /**
      * Accepts a visitor to process this message.
      *