/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF 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.coyote;

import javax.servlet.http.HttpUpgradeHandler;

import org.apache.tomcat.ContextBind;
import org.apache.tomcat.InstanceManager;

/**
 * Token used during the upgrade process.
 */
public final class UpgradeToken {

    private final ContextBind contextBind;
    private final HttpUpgradeHandler httpUpgradeHandler;
    private final InstanceManager instanceManager;
    private final String protocol;

    public UpgradeToken(HttpUpgradeHandler httpUpgradeHandler, ContextBind contextBind, InstanceManager instanceManager,
            String protocol) {
        this.contextBind = contextBind;
        this.httpUpgradeHandler = httpUpgradeHandler;
        this.instanceManager = instanceManager;
        this.protocol = protocol;
    }

    /**
     * Returns the context binder for this upgrade.
     *
     * @return the context binder
     */
    public ContextBind getContextBind() {
        return contextBind;
    }

    /**
     * Returns the HTTP upgrade handler.
     *
     * @return the upgrade handler
     */
    public HttpUpgradeHandler getHttpUpgradeHandler() {
        return httpUpgradeHandler;
    }

    /**
     * Returns the instance manager for creating servlets and filters.
     *
     * @return the instance manager
     */
    public InstanceManager getInstanceManager() {
        return instanceManager;
    }

    /**
     * Returns the protocol name for the upgrade.
     *
     * @return the protocol name
     */
    public String getProtocol() {
        return protocol;
    }
}
