fix: parse hostnames with no ports correctly

sdk/src/main/java/io/opentdf/platform/sdk/AddressNormalizer.java

@@ -22,11 +22,20 @@ static String normalizeAddress(String urlString, boolean usePlaintext) {
 
         final String scheme = usePlaintext ? "http" : "https";
         if (uri.getHost() == null) {
-            // if there is no host then we are likely dealing with a host and port
-            try {
-                uri = new URI(scheme, null, uri.getScheme(), Integer.parseInt(uri.getSchemeSpecificPart()), null, null, null);
-            } catch (URISyntaxException e) {
-                throw new SDKException("error trying to create URL for host and port[" + urlString + "]", e);
+            // if there is no host and no scheme, then we assume the input is a hostname with no port or scheme
+            if (uri.getScheme() == null) {
+                try {
+                    uri = new URI(scheme, null, uri.getSchemeSpecificPart(), -1, null, null, null);
+                } catch (URISyntaxException e) {
+                    throw new SDKException("error trying to create URL for hostname [" + urlString + "]", e);
+                }
+            } else {
+                // otherwise, we have a scheme but no host, so we assume the scheme is actually the host and the SSP is the port
+                try {
+                    uri = new URI(scheme, null, uri.getScheme(), Integer.parseInt(uri.getSchemeSpecificPart()), null, null, null);
+                } catch (URISyntaxException | NumberFormatException e) {
+                    throw new SDKException("error trying to create URL for host and port[" + urlString + "]", e);
+                }
             }
         }
         final int port;

sdk/src/test/java/io/opentdf/platform/sdk/AddressNormalizerTest.java

@@ -5,6 +5,7 @@
 
 import static io.opentdf.platform.sdk.AddressNormalizer.normalizeAddress;
 import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+import static org.junit.Assert.assertThrows;
 
 class AddressNormalizerTest {
 
@@ -14,6 +15,7 @@ void testAddressNormalizationWithHTTPSClient() {
         // default to https if no scheme is provided
         assertThat(normalizeAddress("example.org:1234", false)).isEqualTo("https://example.org:1234");
         assertThat(normalizeAddress("ftp://example.org", false)).isEqualTo("https://example.org:443");
+        assertThat(normalizeAddress("keycloak.vm", false)).isEqualTo("https://keycloak.vm:443");
     }
 
     @Test
@@ -23,5 +25,15 @@ void testAddressNormaliationWithInsecureHTTPClient() {
         // default to http if no scheme is provided
         assertThat(normalizeAddress("example.org:1234", true)).isEqualTo("http://example.org:1234");
         assertThat(normalizeAddress("sftp://example.org", true)).isEqualTo("http://example.org:80");
+        assertThat(normalizeAddress("keycloak.vm", true)).isEqualTo("http://keycloak.vm:80");
+    }
+
+    @Test
+    void testAddressNormalizationWithInvalidPort() {
+        var thrown = assertThrows(SDKException.class, () -> normalizeAddress("example.org:notaport", true));
+        assertThat(thrown.getMessage()).contains("example.org:notaport");
+
+        thrown = assertThrows(SDKException.class, () -> normalizeAddress("http://example.org:notaport", true));
+        assertThat(thrown.getMessage()).contains("http://example.org:notaport");
     }
 }