org.jboss.weld.module.web.el.ELCreationalContextStack Maven / Gradle / Ivy

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 * JBoss, Home of Professional Open Source
 * Copyright 2008, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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 org.jboss.weld.module.web.el;

import java.util.Stack;

import jakarta.el.ELContext;

class ELCreationalContextStack extends Stack {

    private static final long serialVersionUID = -57142365866995726L;

    public static ELCreationalContextStack addToContext(ELContext context) {
        ELCreationalContextStack store = new ELCreationalContextStack();
        context.putContext(ELCreationalContextStack.class, store);
        return store;
    }

    public static ELCreationalContextStack getCreationalContextStore(ELContext context) {
        Object o = context.getContext(ELCreationalContextStack.class);
        if (o != null) {
            return (ELCreationalContextStack) o;
        } else {
            return addToContext(context);
        }
    }

}