Relaxed host address matching

app/src/main/java/org/traccar/client/MainActivity.java

@@ -33,7 +33,6 @@ import android.preference.PreferenceActivity;
 import android.preference.PreferenceManager;
 import android.preference.TwoStatePreference;
 import android.util.Log;
-import android.util.Patterns;
 import android.view.Menu;
 import android.view.MenuItem;
 

app/src/main/java/org/traccar/client/Patterns.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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 org.traccar.client;
+
+import java.util.regex.Pattern;
+
+public class Patterns {
+
+    private static final String IP_ADDRESS_STRING =
+            "((25[0-5]|2[0-4][0-9]|[0-1][0-9]{2}|[1-9][0-9]|[1-9])\\.(25[0-5]|2[0-4]"
+                    + "[0-9]|[0-1][0-9]{2}|[1-9][0-9]|[1-9]|0)\\.(25[0-5]|2[0-4][0-9]|[0-1]"
+                    + "[0-9]{2}|[1-9][0-9]|[1-9]|0)\\.(25[0-5]|2[0-4][0-9]|[0-1][0-9]{2}"
+                    + "|[1-9][0-9]|[0-9]))";
+
+    private static final String UCS_CHAR = "[" +
+            "\u00A0-\uD7FF" +
+            "\uF900-\uFDCF" +
+            "\uFDF0-\uFFEF" +
+            "\uD800\uDC00-\uD83F\uDFFD" +
+            "\uD840\uDC00-\uD87F\uDFFD" +
+            "\uD880\uDC00-\uD8BF\uDFFD" +
+            "\uD8C0\uDC00-\uD8FF\uDFFD" +
+            "\uD900\uDC00-\uD93F\uDFFD" +
+            "\uD940\uDC00-\uD97F\uDFFD" +
+            "\uD980\uDC00-\uD9BF\uDFFD" +
+            "\uD9C0\uDC00-\uD9FF\uDFFD" +
+            "\uDA00\uDC00-\uDA3F\uDFFD" +
+            "\uDA40\uDC00-\uDA7F\uDFFD" +
+            "\uDA80\uDC00-\uDABF\uDFFD" +
+            "\uDAC0\uDC00-\uDAFF\uDFFD" +
+            "\uDB00\uDC00-\uDB3F\uDFFD" +
+            "\uDB44\uDC00-\uDB7F\uDFFD" +
+            "&&[^\u00A0[\u2000-\u200A]\u2028\u2029\u202F\u3000]]";
+
+    private static final String LABEL_CHAR = "a-zA-Z0-9" + UCS_CHAR;
+
+    private static final String IRI_LABEL =
+            "[" + LABEL_CHAR + "](?:[" + LABEL_CHAR + "\\-]{0,61}[" + LABEL_CHAR + "]){0,1}";
+
+    private static final String RELAXED_DOMAIN_NAME =
+            "(?:" + "(?:" + IRI_LABEL + "(?:\\.(?=\\S))" +"?)+" + "|" + IP_ADDRESS_STRING + ")";
+
+    public static final Pattern DOMAIN_NAME = Pattern.compile(RELAXED_DOMAIN_NAME);
+
+}