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A json schema validator that supports draft v4, v6, v7, v2019-09 and v2020-12

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/*
 * Copyright (c) 2024 the original author or authors.
 *
 * 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 com.networknt.schema.regex;

import org.graalvm.polyglot.Value;

/**
 * GraalJS {@link RegularExpression}.
 * 
 * This requires a dependency on org.graalvm.js:js which along with its
 * dependency libraries are 50 mb.
 */
class GraalJSRegularExpression implements RegularExpression {
    private final GraalJSRegularExpressionContext context;
    private final Value function;
    
    GraalJSRegularExpression(String regex, GraalJSRegularExpressionContext context) {
        this.context = context;
        synchronized(context.getContext()) {
            this.function = context.getRegExpBuilder().execute(regex);
        }
    }

    @Override
    public boolean matches(String value) {
        synchronized(context.getContext()) {
            return !function.execute(value).isNull();
        }
    }
}