ArrayLiteral.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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package org.apache.sling.scripting.sightly.compiler.expression.nodes;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.apache.sling.scripting.sightly.compiler.expression.ExpressionNode;
import org.apache.sling.scripting.sightly.compiler.expression.NodeVisitor;

/**
 * Syntactical structure for an array of items.
 */
public final class ArrayLiteral implements ExpressionNode {

    private final List<ExpressionNode> items;

    /**
     * Creates an array from a list of {@link ExpressionNode} elements.
     *
     * @param items the list of {@link ExpressionNode} elements
     */
    public ArrayLiteral(List<ExpressionNode> items) {
        this.items = new ArrayList<>(items);
    }

    /**
     * Returns an unmodifiable {@link List} containing the array's elements.
     *
     * @return an unmodifiable {@link List}
     */
    public List<ExpressionNode> getItems() {
        return Collections.unmodifiableList(items);
    }

    @Override
    public <T> T accept(NodeVisitor<T> visitor) {
        return visitor.evaluate(this);
    }
}