# SandboxNativeJavaObject.java

    /*
     * Copyright (c) 2024, WSO2 LLC. (http://www.wso2.com).
     *
     * WSO2 LLC. licenses this file to you 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.apache.synapse.mediators.bsf.access.control;

    import org.apache.synapse.mediators.bsf.access.control.config.AccessControlConfig;
    import org.mozilla.javascript.NativeJavaObject;
    import org.mozilla.javascript.Scriptable;

    import java.util.Comparator;

    /**
     * Provides native Java objects to the sandbox, after necessary access control filtering.
     */
    public class SandboxNativeJavaObject extends NativeJavaObject {
        private AccessControlConfig nativeObjectAccessControlConfig;

        public SandboxNativeJavaObject(Scriptable scope, Object javaObject, Class staticType,
                                       AccessControlConfig nativeObjectAccessControlConfig) {
            super(scope, javaObject, staticType);
            this.nativeObjectAccessControlConfig = nativeObjectAccessControlConfig;
        }

        @Override
        public Object get(String name, Scriptable start) {
            Comparator<String> equalsComparator = new Comparator<String>() {
                @Override
                public int compare(String o1, String o2) {
                    if (o1 != null && o1.equals(o2)) {
                        return 0;
                    }
                    return -1;
                }
            };
            if (AccessControlUtils.isAccessAllowed(name, nativeObjectAccessControlConfig, equalsComparator)) {
                return super.get(name, start);
            }
            return NOT_FOUND;
        }

    }