org.eclipse.jetty.websocket.client.internal.DelegatedJettyClientUpgradeResponse Maven / Gradle / Ivy

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//
// ========================================================================
// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//

package org.eclipse.jetty.websocket.client.internal;

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

import org.eclipse.jetty.client.Response;
import org.eclipse.jetty.http.HttpFields;
import org.eclipse.jetty.http.HttpHeader;
import org.eclipse.jetty.websocket.api.ExtensionConfig;
import org.eclipse.jetty.websocket.api.UpgradeResponse;

/**
 * Representing the Jetty {@link org.eclipse.jetty.client.Response}
 * in the {@link UpgradeResponse} interface.
 */
public class DelegatedJettyClientUpgradeResponse implements UpgradeResponse
{
    private final Response delegate;
    private final Map> headers;

    public DelegatedJettyClientUpgradeResponse(Response response)
    {
        this.delegate = response;
        this.headers = HttpFields.asMap(delegate.getHeaders());
    }

    @Override
    public String getAcceptedSubProtocol()
    {
        return this.delegate.getHeaders().get(HttpHeader.SEC_WEBSOCKET_SUBPROTOCOL);
    }

    @Override
    public String getHeader(String name)
    {
        return this.delegate.getHeaders().get(name);
    }

    @Override
    public Set getHeaderNames()
    {
        return delegate.getHeaders().getFieldNamesCollection();
    }

    @Override
    public List getHeaders(String name)
    {
        return this.delegate.getHeaders().getValuesList(name);
    }

    @Override
    public Map> getHeaders()
    {
        return headers;
    }

    @Override
    public int getStatusCode()
    {
        return this.delegate.getStatus();
    }

    @Override
    public List getExtensions()
    {
        List rawExtensions = delegate.getHeaders().getValuesList(HttpHeader.SEC_WEBSOCKET_EXTENSIONS);
        if (rawExtensions == null || rawExtensions.isEmpty())
            return Collections.emptyList();

        return rawExtensions.stream().map(ExtensionConfig::parse).collect(Collectors.toList());
    }
}