X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=cps-service%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fcps%2Futils%2FCpsValidator.java;h=28b49c9666f6d8087f4bf8cfa1345a22b8a0877b;hb=ea01d09861289ff162dff318713d1c24eba89259;hp=dd164956381e8e3839f899e7e7c23f8032c6e924;hpb=6fb6f7742ec1d94ea3a265f476ddbddb0156c64f;p=cps.git

diff --git a/cps-service/src/main/java/org/onap/cps/utils/CpsValidator.java b/cps-service/src/main/java/org/onap/cps/utils/CpsValidator.java
index dd16495638..28b49c9666 100644
--- a/cps-service/src/main/java/org/onap/cps/utils/CpsValidator.java
+++ b/cps-service/src/main/java/org/onap/cps/utils/CpsValidator.java
@@ -22,6 +22,7 @@ package org.onap.cps.utils;
 
 import com.google.common.collect.Lists;
 import java.util.Collection;
+import java.util.regex.Pattern;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -32,6 +33,8 @@ import org.onap.cps.spi.exceptions.DataValidationException;
 public final class CpsValidator {
 
     private static final char[] UNSUPPORTED_NAME_CHARACTERS = "!\" #$%&'()*+,./\\:;<=>?@[]^`{|}~".toCharArray();
+    private static final Pattern TOPIC_NAME_PATTERN = Pattern.compile("^[a-zA-Z0-9]([._-](?![._-])|"
+            + "[a-zA-Z0-9]){0,120}[a-zA-Z0-9]$");
 
     /**
      * Validate characters in names within cps.
@@ -48,4 +51,12 @@ public final class CpsValidator {
             }
         }
     }
+
+    /**
+     * Validate kafka topic name pattern.
+     * @param topicName name of the topic to be validated
+     */
+    public static boolean validateTopicName(final String topicName) {
+        return topicName != null && TOPIC_NAME_PATTERN.matcher(topicName).matches();
+    }
 }