Issue 2801 - Create 'Whitelisted websites' screen and add link to 'Ad blocking' screen

mobile/android/thirdparty/org/adblockplus/browser/UrlUtils.java

Index: mobile/android/thirdparty/org/adblockplus/browser/UrlUtils.java
===================================================================
new file mode 100644
--- /dev/null
+++ b/mobile/android/thirdparty/org/adblockplus/browser/UrlUtils.java
@@ -0,0 +1,86 @@
+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-present eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.adblockplus.browser;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+public class UrlUtils
+{
+

[anton, 2017/09/26 06:24:07]

the line seems to be not required

[diegocarloslima, 2017/09/26 12:24:44]

Acknowledged.

+  private static final String SCHEME_HTTP = "http";
+  private static final String SCHEME_SEPARATOR = "://";
+  private static final String WWW_HOST_PART = "www.";
+
+  public static String formatUrl(String urlStr)
+  {
+    try
+    {
+      URL url = new URL(urlStr);
+      return url.toExternalForm();
+    }
+    catch (MalformedURLException e)
+    {
+      try
+      {
+        // The URL might be malformed due to a missing protocol. If so, we try to recreate the URL
+        // by adding the HTTP protocol
+        URL url = new URL(SCHEME_HTTP + SCHEME_SEPARATOR + urlStr);
+        return url.toExternalForm();
+      }
+      catch (MalformedURLException e2)
+      {
+      }
+    }
+    return null;
+  }
+
+  public static String getHostFromUrl(String urlStr)
+  {
+    try
+    {
+      final URL url = new URL(formatUrl(urlStr));
+      String host = url.getHost();
+      if (host != null)
+      {
+        // The www. part of the host is not relevant for us, so we remove it
+        if (host.startsWith(WWW_HOST_PART))
+        {
+          host = host.substring(WWW_HOST_PART.length());
+        }
+        return host;
+      }
+    }
+    catch (MalformedURLException e)
+    {
+    }
+    return null;
+  }
+
+  public static boolean isSchemeHttpOrHttps(String urlStr)
+  {
+    try
+    {
+      return new URL(urlStr).getProtocol().contains(SCHEME_HTTP);
+    }
+    catch (MalformedURLException e)
+    {
+    }
+    return false;
+  }
+}