updating wiki with page containing instance of http proxy using

TelegramBots.wiki/Using-Http-Proxy.md

@@ -0,0 +1,122 @@
+### Using HTTP proxy
+
+HTTP proxy support implemented since version 3.6.1
+
+First of all you need to override constructor with `DefaultBotOptions` argument while inheriting from `AbilityBot` or `TelegramLongPollingBot`
+
+```java
+public class MyBot extends AbilityBot {
+
+    protected MyBot(String botToken, String botUsername, DefaultBotOptions botOptions) {
+        super(botToken, botUsername, botOptions);
+    }
+
+    public int creatorId() {
+        return 0;
+    }
+
+    public Ability pingPong() {
+        return Ability
+                .builder()
+                .name("ping")
+                .info("ping pong")
+                .locality(ALL)
+                .privacy(PUBLIC)
+                .action(ctx -> silent.send("pong", ctx.chatId()))
+                .build();
+    }
+
+}
+```
+
+Now you are able to set up your proxy
+
+#### without authentication
+
+```java
+public class Main {
+
+    private static String BOT_NAME = "My test bot";
+    private static String BOT_TOKEN = "..." /* your bot's token here */;
+
+    private static String PROXY_HOST = "..." /* proxy host */;
+    private static Integer PROXY_PORT = 3128 /* proxy port */;
+
+    public static void main(String[] args) {
+        try {
+
+            ApiContextInitializer.init();
+
+            // Create the TelegramBotsApi object to register your bots
+            TelegramBotsApi botsApi = new TelegramBotsApi();
+
+            // Set up Http proxy
+            DefaultBotOptions botOptions = ApiContext.getInstance(DefaultBotOptions.class);
+
+            HttpHost httpHost = new HttpHost(PROXY_HOST, PROXY_PORT);
+
+            RequestConfig requestConfig = RequestConfig.custom().setProxy(httpHost).setAuthenticationEnabled(false).build();
+            botOptions.setRequestConfig(requestConfig);
+            botOptions.setHttpProxy(httpHost);
+
+            // Register your newly created AbilityBot
+            MyBot bot = new MyBot(BOT_TOKEN, BOT_NAME, botOptions);
+
+            botsApi.registerBot(bot);
+
+        } catch (TelegramApiException e) {
+            e.printStackTrace();
+        }
+    }
+}
+
+```
+
+
+#### With authentication
+
+```java
+public class Main {
+
+    private static String BOT_NAME = "My test bot";
+    private static String BOT_TOKEN = "..." /* your bot's token here */;
+
+    private static String PROXY_HOST = "..." /* proxy host */;
+    private static Integer PROXY_PORT = 3128 /* proxy port */;
+    private static String PROXY_USER = "..." /* proxy user */;
+    private static String PROXY_PASSWORD = "..." /* proxy password */;
+
+    public static void main(String[] args) {
+        try {
+
+            ApiContextInitializer.init();
+
+            // Create the TelegramBotsApi object to register your bots
+            TelegramBotsApi botsApi = new TelegramBotsApi();
+
+            // Set up Http proxy
+            DefaultBotOptions botOptions = ApiContext.getInstance(DefaultBotOptions.class);
+
+            CredentialsProvider credsProvider = new BasicCredentialsProvider();
+            credsProvider.setCredentials(
+                    new AuthScope(PROXY_HOST, PROXY_PORT),
+                    new UsernamePasswordCredentials(PROXY_USER, PROXY_PASSWORD));
+
+            HttpHost httpHost = new HttpHost(PROXY_HOST, PROXY_PORT);
+
+            RequestConfig requestConfig = RequestConfig.custom().setProxy(httpHost).setAuthenticationEnabled(true).build();
+            botOptions.setRequestConfig(requestConfig);
+            botOptions.setCredentialsProvider(credsProvider);
+            botOptions.setHttpProxy(httpHost);
+
+            // Register your newly created AbilityBot
+            MyBot bot = new MyBot(BOT_TOKEN, BOT_NAME, botOptions);
+
+            botsApi.registerBot(bot);
+
+        } catch (TelegramApiException e) {
+            e.printStackTrace();
+        }
+    }
+}
+```

TelegramBots.wiki/_Sidebar.md

@@ -1,6 +1,7 @@
 * Users guide
     * [[Getting Started]]
     * [[Errors Handling]]
+    * [[Using HTTP Proxy]]
     * [[FAQ]]
 * AbilityBot
     * [[Simple Example]]