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   1 /**
   2  * Copyright (c) 2010-2021 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.homeconnect.internal.client;
  14
  15 import java.io.IOException;
  16
  17 import javax.ws.rs.client.ClientRequestContext;
  18 import javax.ws.rs.client.ClientRequestFilter;
  19 import javax.ws.rs.core.HttpHeaders;
  20 import javax.ws.rs.core.MultivaluedMap;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24
  25 /**
  26  * Inserts Authorization header for requests on the streaming REST API.
  27  *
  28  * @author Laurent Garnier - Initial contribution
  29  */
  30 @NonNullByDefault
  31 public class HomeConnectStreamingRequestFilter implements ClientRequestFilter {
  32
  33     private static final String TEXT_EVENT_STREAM = "text/event-stream";
  34
  35     private final String authorizationHeader;
  36
  37     public HomeConnectStreamingRequestFilter(String authorizationHeader) {
  38         this.authorizationHeader = authorizationHeader;
  39     }
  40
  41     @Override
  42     public void filter(@Nullable ClientRequestContext requestContext) throws IOException {
  43         if (requestContext != null) {
  44             MultivaluedMap<String, Object> headers = requestContext.getHeaders();
  45             headers.putSingle(HttpHeaders.AUTHORIZATION, authorizationHeader);
  46             headers.putSingle(HttpHeaders.CACHE_CONTROL, "no-cache");
  47             headers.putSingle(HttpHeaders.ACCEPT, TEXT_EVENT_STREAM);
  48         }
  49     }
  50 }