Revize 02186b90

use commons-validator to validate email address

sources/pom.xml

@@ -72 +72 @@
             <artifactId>commons-lang3</artifactId>
             <version>3.8.1</version>
         </dependency>
+        <dependency>
+            <groupId>commons-validator</groupId>
+            <artifactId>commons-validator</artifactId>
+            <version>1.6</version>
+        </dependency>
 
         <!-- Servlets and JSP -->
         <dependency>

sources/src/main/java/cz/zcu/kiv/offscreen/servlets/api/Register.java

@@ -5 +5 @@
 import cz.zcu.kiv.offscreen.user.DB;
 import cz.zcu.kiv.offscreen.user.User;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.validator.routines.EmailValidator;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 public class Register extends BaseServlet {
+
 	private static final Logger logger = LogManager.getLogger();
-	private static final String EMAIL_ADDRESS_PATTERN = "^[A-Za-z0-9-\\+_]+(\\.[A-Za-z0-9-_]+)*@" +
-    											"[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*" +
-    											"(\\.[A-Za-z]{2,})$";
-    
+
     @Override
     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
 		logger.debug("Processing request");
+
 		String name = request.getParameter("name");
 		String email = request.getParameter("email");
 		String username = request.getParameter("username");
@@ -46 +43 @@
 			errors.addProperty("email", "Please enter e-mail address.");
 			logger.debug("Empty e-mail address");
 
-		} else if (!isEmailAddressValid(email)) {
+		} else if (!EmailValidator.getInstance().isValid(email)) {
 			errors.addProperty("email", "Please enter valid e-mail address.");
 			logger.debug("Invalid e-mail address");
 
@@ -101 +98 @@
 			logger.debug("Response BAD REQUEST");
 		}
     }
-    
-    /**
-     * Method verify validity of email address
-     * 
-     * @param emailAddress - email address
-     * @return true - email address is ok
-     * 		   false - email address is not correct
-     */
-    private boolean isEmailAddressValid(String emailAddress) {
-    	Pattern pattern = Pattern.compile(EMAIL_ADDRESS_PATTERN);
-    	Matcher matcher = pattern.matcher(emailAddress);
-		return matcher.matches();
-    }
 	
 }