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Tomcat WebSocket implementation

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/*
 *  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.tomcat.websocket.pojo;

import java.util.Collections;
import java.util.List;

import jakarta.websocket.Decoder;
import jakarta.websocket.DeploymentException;
import jakarta.websocket.EndpointConfig;
import jakarta.websocket.Session;

import org.apache.tomcat.InstanceManager;

/**
 * Wrapper class for instances of POJOs annotated with {@link jakarta.websocket.ClientEndpoint} so they appear as
 * standard {@link jakarta.websocket.Endpoint} instances.
 */
public class PojoEndpointClient extends PojoEndpointBase {

    public PojoEndpointClient(Object pojo, List> decoders, InstanceManager instanceManager)
            throws DeploymentException {
        super(Collections.emptyMap());
        setPojo(pojo);
        setMethodMapping(new PojoMethodMapping(pojo.getClass(), decoders, null, instanceManager));
    }

    @Override
    public void onOpen(Session session, EndpointConfig config) {
        doOnOpen(session, config);
    }
}