/*
 * Copyright (c) 2013, 2020 Oracle and/or its affiliates and others.
 * All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.ts.tests.websocket.ee.jakarta.websocket.server.handshakerequest;

import java.util.Arrays;
import java.util.List;
import java.util.Map;

import jakarta.websocket.HandshakeResponse;
import jakarta.websocket.server.HandshakeRequest;
import jakarta.websocket.server.ServerEndpointConfig;
import jakarta.websocket.server.ServerEndpointConfig.Configurator;

public class CaseInsensitiveHeaderNamesConfigurator extends Configurator {

	@Override
	public void modifyHandshake(ServerEndpointConfig sec, HandshakeRequest request, HandshakeResponse response) {
		Map<String, List<String>> headers = request.getHeaders();
		boolean isCaseSensitive = true;
		isCaseSensitive &= headers.containsKey(REQUEST_KEY);
		isCaseSensitive &= headers.containsKey(REQUEST_KEY.toLowerCase());
		isCaseSensitive &= headers.containsKey(REQUEST_KEY.toUpperCase());
		response.getHeaders().put(RESPONSE_KEY, Arrays.asList(String.valueOf(isCaseSensitive)));
		super.modifyHandshake(sec, request, response);
	}

	/*
	 * Request sets this key with REQUEST_VALUES and case sensitivity is checked
	 * afterwards in modifyHandshake()
	 */
	static final String REQUEST_KEY = "caseInsensitiveKey";

	/*
	 * The value of this key is set to be checked on a client and the value should
	 * reflect boolean value of being case sensitive or not
	 */
	static final String RESPONSE_KEY = "isCaseSensitive";

	static final String[] REQUEST_VALUES = { "RequestValue1", "RequestValue2" };
}
