/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.messaging.jms;
import java.util.HashSet;
import java.util.Set;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.operations.validation.ListValidator;
import org.jboss.as.controller.operations.validation.ParameterValidator;
import org.jboss.as.messaging.logging.MessagingLogger;
import org.jboss.dmr.ModelNode;
/**
* @author <a href="http://jmesnil.net/">Jeff Mesnil</a> (c) 2014 Red Hat inc.
*/
public class Validators {
public static ListValidator noDuplicateElements(ParameterValidator elementValidator) {
return new ListValidator(elementValidator, false, 1, Integer.MAX_VALUE) {
@Override
public void validateParameter(String parameterName, ModelNode value) throws OperationFailedException {
super.validateParameter(parameterName, value);
int elementsSize = value.asList().size();
// use a set to check whether the list contains duplicate elements
Set<ModelNode> set = new HashSet<>(value.asList());
if (set.size() != elementsSize) {
throw MessagingLogger.ROOT_LOGGER.duplicateElements(parameterName, value);
}
}
};
}
}