git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2023 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.freeboxos.internal.api;
  14
  15 import java.io.ByteArrayInputStream;
  16 import java.io.InputStream;
  17 import java.net.URI;
  18 import java.util.Locale;
  19 import java.util.Set;
  20 import java.util.concurrent.ExecutionException;
  21 import java.util.concurrent.TimeUnit;
  22 import java.util.concurrent.TimeoutException;
  23
  24 import javax.ws.rs.core.UriBuilder;
  25
  26 import org.eclipse.jdt.annotation.NonNullByDefault;
  27 import org.eclipse.jdt.annotation.Nullable;
  28 import org.eclipse.jetty.client.HttpClient;
  29 import org.eclipse.jetty.client.api.ContentResponse;
  30 import org.eclipse.jetty.client.api.Request;
  31 import org.eclipse.jetty.http.HttpMethod;
  32 import org.eclipse.jetty.http.HttpStatus;
  33 import org.eclipse.jetty.http.HttpStatus.Code;
  34 import org.openhab.core.i18n.TranslationProvider;
  35 import org.openhab.core.io.net.http.HttpClientFactory;
  36 import org.openhab.core.ui.icon.AbstractResourceIconProvider;
  37 import org.openhab.core.ui.icon.IconProvider;
  38 import org.openhab.core.ui.icon.IconSet;
  39 import org.osgi.service.component.annotations.Activate;
  40 import org.osgi.service.component.annotations.Component;
  41 import org.osgi.service.component.annotations.Reference;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 /**
  46  * The {@link FreeboxOsIconProvider} delivers icons provided by FreeboxOS
  47  *
  48  * @author Gaël L'hopital - Initial contribution
  49  */
  50 @NonNullByDefault
  51 @Component(immediate = true, service = { IconProvider.class })
  52 public class FreeboxOsIconProvider extends AbstractResourceIconProvider {
  53
  54     private final Logger logger = LoggerFactory.getLogger(FreeboxOsIconProvider.class);
  55     private static final int REQUEST_TIMEOUT_MS = 8000;
  56
  57     private final HttpClient httpClient;
  58     private final UriBuilder uriBuilder;
  59
  60     @Activate
  61     public FreeboxOsIconProvider(final @Reference TranslationProvider i18nProvider,
  62             final @Reference HttpClientFactory httpClientFactory) {
  63         super(i18nProvider);
  64         this.httpClient = httpClientFactory.getCommonHttpClient();
  65         this.uriBuilder = UriBuilder.fromPath("/").scheme("http").host(FreeboxTlsCertificateProvider.DEFAULT_NAME)
  66                 .path("resources/images/home/pictos");
  67     }
  68
  69     @Override
  70     public Set<IconSet> getIconSets(@Nullable Locale locale) {
  71         return Set.of();
  72     }
  73
  74     @Override
  75     protected Integer getPriority() {
  76         return 4;
  77     }
  78
  79     @Override
  80     protected @Nullable InputStream getResource(String iconSetId, String resourceName) {
  81         URI uri = uriBuilder.clone().path(resourceName).build();
  82         Request request = httpClient.newRequest(uri).method(HttpMethod.GET).timeout(REQUEST_TIMEOUT_MS,
  83                 TimeUnit.MILLISECONDS);
  84
  85         try {
  86             ContentResponse response = request.send();
  87             if (HttpStatus.getCode(response.getStatus()) == Code.OK) {
  88                 return new ByteArrayInputStream(response.getContent());
  89             }
  90         } catch (InterruptedException | TimeoutException | ExecutionException e) {
  91             logger.warn("Error getting icon {}: {}", resourceName, e.getMessage());
  92         }
  93         return null;
  94     }
  95
  96     @Override
  97     protected boolean hasResource(String iconSetId, String resourceName) {
  98         return resourceName.contains(".png") && getResource(iconSetId, resourceName) != null;
  99     }
 100 }