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JSR 356: Java API for WebSocket
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
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package javax.websocket;

import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * The DefaultClientEndpointConfiguration is a concrete implementation of a client configuration. Developers
 * may subclass this class in order to provide their own custom configuration behaviors.
 *
 * @author dannycoward
 */
 final class DefaultClientEndpointConfiguration implements ClientEndpointConfiguration {
    private List preferredSubprotocols;
    private List extensions;
    private List encoders;
    private List decoders;
    private Map userProperties = new HashMap();
    private ClientEndpointConfigurator clientEndpointConfigurator;

    
    DefaultClientEndpointConfiguration(
            List preferredSubprotocols,
            List extensions,
            List encoders,
            List decoders,
            ClientEndpointConfigurator clientEndpointConfigurator) {
        this.preferredSubprotocols = Collections.unmodifiableList(preferredSubprotocols);
        this.extensions = Collections.unmodifiableList(extensions);
        this.encoders = Collections.unmodifiableList(encoders);
        this.decoders = Collections.unmodifiableList(decoders);
        this.clientEndpointConfigurator = clientEndpointConfigurator;
    }

    /**
     * Return the protocols, in order of preference, favorite first, that this client would
     * like to use for its sessions.
     *
     * @return the preferred subprotocols.
     */
     @Override
    public List getPreferredSubprotocols() {
        return this.preferredSubprotocols;
    }



    /**
     * Return the extensions, in order of preference, favorite first, that this client would
     * like to use for its sessions.
     *
     * @return the (unmodifiable) extension list.
     */
     @Override
    public List getExtensions() {
        return this.extensions;
    }



    /**
     * Return the (unmodifiable) list of encoders this client will use.
     *
     * @return the encoder list.
     */
     @Override
    public List getEncoders() {
        return this.encoders;
    }



    /**
     * Return the (unmodifiable) list of decoders this client will use.
     *
     * @return the decoders to use.
     */
     @Override
    public List getDecoders() {
        return this.decoders;
    }


    /**
     * Editable map of user properties.
     */
     @Override
    public final Map getUserProperties() {
        return this.userProperties;
    }
    
     @Override
    public ClientEndpointConfigurator getClientEndpointConfigurator() {
        return this.clientEndpointConfigurator;
    }
 

}