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/*-
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright (C) 2018 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.dmaap.dbcapi.util;
import java.util.regex.Pattern;
import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
public class Fqdn extends BaseLoggingClass {
// regexp value sourced from https://www.regextester.com/23
static String regexp = "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]*[a-zA-Z0-9])\\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\\-]*[A-Za-z0-9])$";
public static boolean isValid( String s ) {
appLogger.info( "Fqdn testing: " + s );
boolean b = false;
if ( s != null ) {
b = Pattern.matches( regexp, s);
}
appLogger.info( "Fqdn isValid=" + b );
return b;
}
}
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