diff options
| -rw-r--r-- | utils/src/main/java/org/onap/policy/common/utils/network/NetworkUtil.java | 12 | ||||
| -rw-r--r-- | utils/src/test/java/org/onap/policy/common/utils/network/NetworkUtilTest.java | 12 |
2 files changed, 23 insertions, 1 deletions
diff --git a/utils/src/main/java/org/onap/policy/common/utils/network/NetworkUtil.java b/utils/src/main/java/org/onap/policy/common/utils/network/NetworkUtil.java index e3539fb7..6698d7cf 100644 --- a/utils/src/main/java/org/onap/policy/common/utils/network/NetworkUtil.java +++ b/utils/src/main/java/org/onap/policy/common/utils/network/NetworkUtil.java @@ -26,6 +26,7 @@ import java.net.InetSocketAddress; import java.net.ServerSocket; import java.net.Socket; import java.net.UnknownHostException; +import java.util.UUID; import javax.net.ssl.TrustManager; import lombok.AccessLevel; import lombok.NoArgsConstructor; @@ -170,4 +171,15 @@ public final class NetworkUtil { return "127.0.0.1"; } + + /** + * Generates a globally unique name, typically for use in PDP messages, to uniquely + * identify a PDP (or PAP), regardless on what cluster it resides. + * + * @param prefix text to be prepended to the generated value + * @return a globally unique name + */ + public static String genUniqueName(String prefix) { + return prefix + "-" + UUID.randomUUID(); + } } diff --git a/utils/src/test/java/org/onap/policy/common/utils/network/NetworkUtilTest.java b/utils/src/test/java/org/onap/policy/common/utils/network/NetworkUtilTest.java index 4ae72842..4019ca79 100644 --- a/utils/src/test/java/org/onap/policy/common/utils/network/NetworkUtilTest.java +++ b/utils/src/test/java/org/onap/policy/common/utils/network/NetworkUtilTest.java @@ -2,7 +2,7 @@ * ============LICENSE_START======================================================= * policy-utils * ================================================================================ - * Copyright (C) 2018-2020 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2018-2021 AT&T Intellectual Property. All rights reserved. * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -20,6 +20,7 @@ package org.onap.policy.common.utils.network; +import static org.assertj.core.api.Assertions.assertThat; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotEquals; @@ -91,6 +92,15 @@ public class NetworkUtilTest { } } + @Test + public void testGenUniqueName() { + String name = NetworkUtil.genUniqueName(LOCALHOST); + assertThat(name).isNotBlank().isNotEqualTo(LOCALHOST); + + // second call should generate a different value + assertThat(NetworkUtil.genUniqueName(LOCALHOST)).isNotEqualTo(name); + } + /** * Thread that accepts a connection on a socket. */ |