+/*
+ * 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();
+ }
+
+}