[LIB-13] Tournament and game formats for JSON parsing

[chesshog-scanner.git] / src / main / java / org / hedgecode / chess / scanner / json / format / AbstractPGNFormat.java

diff --git a/src/main/java/org/hedgecode/chess/scanner/json/format/AbstractPGNFormat.java b/src/main/java/org/hedgecode/chess/scanner/json/format/AbstractPGNFormat.java
new file mode 100644 (file)
index 0000000..97b5ff2
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+++ b/src/main/java/org/hedgecode/chess/scanner/json/format/AbstractPGNFormat.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2019-2020. 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.scanner.json.format;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.hedgecode.chess.scanner.ChessHogScannerConstants;
+import org.hedgecode.chess.scanner.entity.PGNEntity;
+import org.hedgecode.chess.scanner.entity.PGNTag;
+
+/**
+ * AbstractPGNFormat
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public abstract class AbstractPGNFormat extends AbstractBaseFormat implements PGNEntity {
+
+    private static final String EMPTY = "";
+
+    private static final String MOVES_FORMAT = "%s %s";
+
+    private final Map<PGNTag, String> pgnTags = new HashMap<>();
+    private String pgnMoves;
+
+    protected abstract void assignPGN();
+
+    protected void addTag(PGNTag tag, String value) {
+        pgnTags.put(tag, value);
+    }
+
+    protected void addMoves(String moves) {
+        pgnMoves = moves;
+    }
+
+    private String moves() {
+        return pgnMoves != null ? pgnMoves : EMPTY;
+    }
+
+    private String result() {
+        String result = pgnTags.get(PGNTag.RESULT);
+        return result != null ? result : PGNTag.RESULT.defaultValue();
+    }
+
+    @Override
+    public String pgn() {
+        assignPGN();
+        StringBuilder sb = new StringBuilder();
+        for (PGNTag tag : PGNTag.values()) {
+            String tagValue = pgnTags.get(tag);
+            if (tag.isRequired() || tagValue != null) {
+                sb.append(
+                        String.format(
+                                PGNTag.TAG_FORMAT,
+                                tag.getName(),
+                                tagValue != null ? tagValue : tag.defaultValue()
+                        )
+                ).append(
+                        ChessHogScannerConstants.CRLF
+                );
+            }
+        }
+        sb.append(
+                ChessHogScannerConstants.CRLF
+        ).append(
+                String.format(MOVES_FORMAT, moves(), result())
+        ).append(
+                ChessHogScannerConstants.CRLF
+        );
+        return sb.toString();
+    }
+
+}