add a java21 version of ListValidation

vocabulary-format-assertion/src/main/java21/io/github/sebastiantoepfer/jsonschema/vocabulary/format/assertion/abnf/element/ListValidation.java

@@ -0,0 +1,53 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2023 sebastian.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package io.github.sebastiantoepfer.jsonschema.vocabulary.format.assertion.abnf.element;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.function.Function;
+
+class ListValidation {
+
+    private final List<Element> elements;
+    private final Function<List<Element>, Element> newElement;
+
+    public ListValidation(final List<Element> elements, final Function<List<Element>, Element> newElement) {
+        this.elements = List.copyOf(elements);
+        this.newElement = Objects.requireNonNull(newElement);
+    }
+
+    public boolean isValidFor(final ValidateableCodePoint codePoint) {
+        final boolean result;
+        final Element first = elements.getFirst();
+        if (first.dimension().isInRange(codePoint)) {
+            result = first.isValidFor(codePoint);
+        } else {
+            result =
+                newElement
+                    .apply(elements.subList(1, elements.size()))
+                    .isValidFor(codePoint.repositionBackBy(first.dimension()));
+        }
+        return result;
+    }
+}