[LIB-13] Add PGN format classes

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

diff --git a/src/main/java/org/hedgecode/chess/scanner/format/ReducePGNFormat.java b/src/main/java/org/hedgecode/chess/scanner/format/ReducePGNFormat.java
new file mode 100644 (file)
index 0000000..f595dd7
--- /dev/null
+++ b/src/main/java/org/hedgecode/chess/scanner/format/ReducePGNFormat.java
@@ -0,0 +1,49 @@
+/*
+ * 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.format;
+
+import static org.hedgecode.chess.scanner.format.PGNConstants.*;
+
+/**
+ * ReducePGNFormat
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public class ReducePGNFormat extends AbstractPGNFormat {
+
+    @Override
+    public String format() {
+        StringBuilder sb = new StringBuilder();
+        for (PGNTag tag : PGNTag.tags()) {
+            String tagValue = getTag(tag);
+            if (tag.isRequired() || tagValue != null) {
+                sb.append(
+                        String.format(
+                                PGNTag.TAG_FORMAT,
+                                tag.getName(),
+                                tagValue != null ? formatTagValue(tagValue) : tag.defaultValue()
+                        )
+                ).append(PGN_CRLF);
+            }
+        }
+        sb.append(PGN_CRLF).append(
+                formatMoves()
+        ).append(PGN_CRLF);
+        return sb.toString();
+    }
+
+}