[LIB-9] Separate chesshog-core module

[chesshog.git] / chesshog-core / src / main / java / org / hedgecode / chess / position / Positions.java

diff --git a/chesshog-core/src/main/java/org/hedgecode/chess/position/Positions.java b/chesshog-core/src/main/java/org/hedgecode/chess/position/Positions.java
new file mode 100644 (file)
index 0000000..f5071e2
--- /dev/null
+++ b/chesshog-core/src/main/java/org/hedgecode/chess/position/Positions.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2018. Developed by Hedgecode.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.hedgecode.chess.position;
+
+/**
+ *
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public enum Positions {
+
+    INITIAL {
+        @Override
+        public Position getPosition() {
+            Position position = FACTORY.create();
+            position.initial();
+            return position;
+        }
+    },
+
+    EMPTY {
+        @Override
+        public Position getPosition() {
+            Position position = FACTORY.create();
+            position.clear();
+            return position;
+        }
+    };
+
+    public abstract Position getPosition();
+
+    static class Factory {
+
+        private Factory() {
+        }
+
+        Position create() {
+            return create(
+                    PositionType.GAME
+            );
+        }
+
+        Position create(PositionType type) {
+            Position position;
+            switch (type) {
+                case DIAGRAM:
+                    position = new DiagramPosition();
+                    break;
+                case GAME:
+                default:
+                    position = new GamePosition();
+            }
+            return position;
+        }
+
+    }
+
+    private static final Factory FACTORY = new Factory();
+
+}