Add host-only factory using default port to ServerAddress

driver/clirr-ignored-differences.xml

@@ -627,4 +627,10 @@
         <method>java.util.Optional rawClassification()</method>
     </difference>
 
+    <difference>
+        <className>org/neo4j/driver/net/ServerAddress</className>
+        <differenceType>7012</differenceType>
+        <method>org.neo4j.driver.net.ServerAddress of(java.lang.String)</method>
+    </difference>
+
 </differences>

driver/src/main/java/org/neo4j/driver/net/ServerAddress.java

@@ -47,4 +47,14 @@ public interface ServerAddress {
     static ServerAddress of(String host, int port) {
         return new BoltServerAddress(host, port);
     }
+
+    /**
+     * Create a new address with the given host using the default bolt port.
+     *
+     * @param host the host portion. Should not be {@code null}.
+     * @return new server address with the specified host and default bolt port.
+     */
+    static ServerAddress of(String host) {
+        return ServerAddress.of(host, BoltServerAddress.DEFAULT_PORT);
+    }
 }

driver/src/test/java/org/neo4j/driver/net/ServerAddressTest.java

@@ -20,6 +20,7 @@
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import org.junit.jupiter.api.Test;
+import org.neo4j.driver.internal.BoltServerAddress;
 
 class ServerAddressTest {
     @Test
@@ -34,6 +35,13 @@ void shouldFailToCreateAddressWithInvalidHost() {
         assertThrows(NullPointerException.class, () -> ServerAddress.of(null, 9999));
     }
 
+    @Test
+    void shouldCreateAddressWithDefaultPort() {
+        var address = ServerAddress.of("my.database.example.com");
+        assertEquals("my.database.example.com", address.host());
+        assertEquals(BoltServerAddress.DEFAULT_PORT, address.port());
+    }
+
     @Test
     void shouldFailToCreateAddressWithInvalidPort() {
         assertThrows(IllegalArgumentException.class, () -> ServerAddress.of("hello.graphs.com", -42));