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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2014 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * 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 io.undertow.servlet.core;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

import io.undertow.servlet.ServletExtension;

/**
 * Holder for global ServletExtension services.
 * This is particularly useful in an OSGi environment where classloader constraints
 * lead to the ServiceLoader not able to see ServletExtension implementations.
 */
public class ServletExtensionHolder {

    private static List extensions = new CopyOnWriteArrayList<>();

    public static List getServletExtensions() {
        return extensions;
    }

}




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