Add sslenabled to driver parameters

Author: kornilova203

driver/src/main/java/com/dbschema/CassandraClientURI.java

@@ -62,11 +62,11 @@ public CassandraClientURI(String uri, Properties info) {
             }
         }
 
-        this.userName = getOption(info, options, "user");
-        this.password = getOption(info, options, "password");
-        String sslEnabledOption = getOption(info, options, "sslenabled");
+        this.userName = getOption(info, options, "user", null);
+        this.password = getOption(info, options, "password", null);
+        String sslEnabledOption = getOption(info, options, ENABLE_SSL, ENABLE_SSL_DEFAULT);
         this.sslEnabled = isTrue(sslEnabledOption);
-        String verifyServerCertOption = getOption(info, options, VERIFY_SERVER_CERTIFICATE);
+        String verifyServerCertOption = getOption(info, options, VERIFY_SERVER_CERTIFICATE, VERIFY_SERVER_CERTIFICATE_DEFAULT);
         this.verifyServerCert = isTrue(verifyServerCertOption);
 
 
@@ -97,14 +97,15 @@ public CassandraClientURI(String uri, Properties info) {
      * @return option from properties or from uri if it is not found in properties.
      * null if options was not found.
      */
-    private String getOption(Properties properties, Map<String, List<String>> options, String optionName) {
+    private String getOption(Properties properties, Map<String, List<String>> options, String optionName, String defaultValue) {
         if (properties != null) {
             String option = (String) properties.get(optionName);
             if (option != null) {
                 return option;
             }
         }
-        return getLastValue(options, optionName);
+        String value = getLastValue(options, optionName);
+        return value != null ? value : defaultValue;
     }
 
     Cluster createCluster() throws java.net.UnknownHostException, SSLParamsException {

driver/src/main/java/com/dbschema/DriverPropertyInfoHelper.java

@@ -5,15 +5,20 @@
 import java.util.Locale;
 
 public class DriverPropertyInfoHelper {
+  public static final String ENABLE_SSL = "sslenabled";
+  public static final String ENABLE_SSL_DEFAULT = "false";
   public static final String VERIFY_SERVER_CERTIFICATE = "verifyServerCertificate";
   public static final String VERIFY_SERVER_CERTIFICATE_DEFAULT = "true";
+  private static final String[] choices = new String[]{"true", "false"};
 
 
   public static DriverPropertyInfo[] getPropertyInfo() {
     ArrayList<DriverPropertyInfo> propInfos = new ArrayList<>();
 
+    addPropInfo(propInfos, ENABLE_SSL, ENABLE_SSL_DEFAULT, "Enable ssl.", choices);
+
     addPropInfo(propInfos, VERIFY_SERVER_CERTIFICATE, VERIFY_SERVER_CERTIFICATE_DEFAULT,
-        "Configure a connection that uses SSL but does not verify the identity of the server.", null);
+        "Configure a connection that uses SSL but does not verify the identity of the server.", choices);
 
     return propInfos.toArray(new DriverPropertyInfo[0]);
   }