Extract exchange from URI

Signed-off-by: SirWayne <dennis.melzer@bosch-si.com>

hawkbit-security-core/src/main/java/org/eclipse/hawkbit/util/IpUtil.java

@@ -108,8 +108,7 @@ public final class IpUtil {
      *             If the given string not parsable
      */
     public static URI createAmqpUri(final String virtualHost, final String exchange) {
-        // TODO check
-        return createUri(AMPQP_SCHEME, virtualHost).resolve(exchange);
+        return createUri(AMPQP_SCHEME, virtualHost).resolve("/" + exchange);
     }
 
     /**

hawkbit-security-core/src/test/java/org/eclipse/hawkbit/util/IpUtilTest.java

@@ -121,7 +121,7 @@ public class IpUtilTest {
         assertFalse(IpUtil.isHttpUri(amqpUri));
         assertEquals(host, amqpUri.getHost());
         assertEquals("amqp", amqpUri.getScheme());
-        assertEquals("path", amqpUri.getPath());
+        assertEquals("/path", amqpUri.getRawPath());
     }
 
     @Test(expected = IllegalArgumentException.class)