content: /**
   * Copyright 2020 Alexander Herzog
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package net.web;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  import org.nanohttpd.protocols.http.IHTTPSession;
  
  /**
   * Liefert das Favicon fr die Website
   * @author Alexander Herzog
   * @see WebServerHandler
   */
  public class HandlerFavicon implements WebServerHandler {
  	/** Adresse der auszuliefernden ico-Datei bezogen auf die Java-Ressourcen-Verzeichnisstruktur */
  	private final String iconResourceURL;
  
  	/**
  	 * Konstruktor der Klasse
  	 * @param iconResourceURL	Adresse der auszuliefernden ico-Datei bezogen auf die Java-Ressourcen-Verzeichnisstruktur
  	 */
  	public HandlerFavicon(final String iconResourceURL) {
  		this.iconResourceURL=iconResourceURL;
  	}
  
  	@Override
  	public WebServerResponse process(IHTTPSession session) {
  		if (!testURL(session,"/favicon.ico")) return null;
  
  		final WebServerResponse response=new WebServerResponse();
  
  		try (final InputStream stream=getClass().getResourceAsStream(iconResourceURL)) {
  			response.setIcon(stream);
  		} catch (IOException e) {}
  
  		return response;
  	}
  }