Added util function to check is given string a file or url

pom.xml

@@ -22,7 +22,8 @@
                 <version>3.0.0-M4</version>
                 <configuration>
                     <includes>
-                        <include>org.leolo.map.osm.extract.test.MainTest</include>
+                        <include>org.leolo.map.osm.extract.test.**</include>
+
                     </includes>
                 </configuration>
             </plugin>

src/main/java/org/leolo/map/osm/extract/model/InputType.java

@@ -0,0 +1,6 @@
+package org.leolo.map.osm.extract.model;
+
+public enum InputType {
+    FILE,
+    URL;
+}

src/main/java/org/leolo/map/osm/extract/util/InputUtil.java

@@ -0,0 +1,18 @@
+package org.leolo.map.osm.extract.util;
+
+import org.leolo.map.osm.extract.model.InputType;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Locale;
+
+public class InputUtil {
+    public static InputType identifyInputType(String str){
+        try {
+            URL url = new URL(str);
+        } catch (Exception e) {
+            return InputType.FILE;
+        }
+        return InputType.URL;
+    }
+}

src/test/java/org/leolo/map/osm/extract/test/InputTypeTest.java

@@ -0,0 +1,50 @@
+package org.leolo.map.osm.extract.test;
+
+import org.junit.jupiter.api.Test;
+import org.leolo.map.osm.extract.model.InputType;
+import org.leolo.map.osm.extract.util.InputUtil;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class InputTypeTest {
+
+    @Test void testFilePath(){
+        assertEquals(InputUtil.identifyInputType("abc.xml"), InputType.FILE);
+        assertEquals(InputUtil.identifyInputType("../abc.xml"), InputType.FILE);
+        assertEquals(InputUtil.identifyInputType("./abc.xml"), InputType.FILE);
+        assertEquals(InputUtil.identifyInputType("..\\abc.xml"), InputType.FILE);
+        assertEquals(InputUtil.identifyInputType("/tmp/abc.xml"), InputType.FILE);
+    }
+
+    @Test void testUPCPath(){
+        assertEquals(InputUtil.identifyInputType("\\\\somecomputer\\somefolder\\abc.xml"), InputType.FILE);
+    }
+
+    @Test void testURL(){
+        assertEquals(InputUtil.identifyInputType("http://www.example.com"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://www.example.com"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://a@www.example.com"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://a@www.example.com"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://a:1234@www.example.com"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://a:1234@www.example.com"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://www.example.com:8521"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://www.example.com:8521"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://a@www.example.com:8521"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://a@www.example.com:8521"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://a:1234@www.example.com:8521"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://a:1234@www.example.com:8521"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://www.example.com/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://www.example.com/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://a@www.example.com/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://a@www.example.com/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://a:1234@www.example.com/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://a:1234@www.example.com/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://www.example.com:8521/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://www.example.com:8521/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://a@www.example.com:8521/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://a@www.example.com:8521/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("http://a:1234@www.example.com:8521/abc.xml"), InputType.URL);
+        assertEquals(InputUtil.identifyInputType("https://a:1234@www.example.com:8521/abc.xml"), InputType.URL);
+    }
+
+}