/* * JBoss, Home of Professional Open Source * Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors * as indicated by the @authors tag. All rights reserved. * See the copyright.txt in the distribution for a * full listing of individual contributors. * * This copyrighted material is made available to anyone wishing to use, * modify, copy, or redistribute it subject to the terms and conditions * of the GNU Lesser General Public License, v. 2.1. * This program is distributed in the hope that it will be useful, but WITHOUT A * 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, * v.2.1 along with this distribution; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA. */ package org.jboss.as.controller.operations.validation; import java.util.HashSet; import java.util.List; import org.jboss.as.controller.logging.ControllerLogger; import org.jboss.as.controller.OperationFailedException; import org.jboss.dmr.ModelNode; import org.jboss.dmr.ModelType; import org.wildfly.common.Assert; /** * Validates parameters of type {@link ModelType#LIST}. * * @author Brian Stansberry (c) 2011 Red Hat Inc. * */ public class ListValidator extends ModelTypeValidator implements ParameterValidator { private final int min; private final int max; private final ParameterValidator elementValidator; private final boolean allowDuplicates; /** * Constructs a new {@code ListValidator} * * @param elementValidator validator for list elements */ public ListValidator(ParameterValidator elementValidator) { this(elementValidator, false, 1, Integer.MAX_VALUE, false); } /** * @param elementValidator validator for list elements * @param nullable {@code true} if the model node for the list can be {@code null} or {@link ModelType#UNDEFINED} */ public ListValidator(ParameterValidator elementValidator, boolean nullable) { this(elementValidator, nullable, 1, Integer.MAX_VALUE, false); } /** * @param elementValidator validator for list elements * @param nullable {@code true} if the model node for the list can be {@code null} or {@link ModelType#UNDEFINED} */ public ListValidator(ParameterValidator elementValidator, boolean nullable,boolean allowDuplicates) { this(elementValidator, nullable, 1, Integer.MAX_VALUE, allowDuplicates); } /** * @param elementValidator validator for list elements * @param nullable {@code true} if the model node for the list can be {@code null} or {@link ModelType#UNDEFINED} * @param minSize minimum number of elements in the list * @param maxSize maximum number of elements in the list */ public ListValidator(ParameterValidator elementValidator, boolean nullable, int minSize, int maxSize) { this(elementValidator, nullable, minSize, maxSize, true); } /** * @param elementValidator validator for list elements * @param nullable {@code true} if the model node for the list can be {@code null} or {@link ModelType#UNDEFINED} * @param minSize minimum number of elements in the list * @param maxSize maximum number of elements in the list * @param allowDuplicates validate duplicates in list or not */ public ListValidator(ParameterValidator elementValidator, boolean nullable, int minSize, int maxSize, boolean allowDuplicates) { super(ModelType.LIST, nullable, false, true); Assert.checkNotNullParam("elementValidator", elementValidator); this.min = minSize; this.max = maxSize; this.elementValidator = elementValidator; this.allowDuplicates = allowDuplicates; } @Override public void validateParameter(String parameterName, ModelNode value) throws OperationFailedException { super.validateParameter(parameterName, value); if (value.isDefined()) { List<ModelNode> list = value.asList(); int size = list.size(); if (size < min) { throw new OperationFailedException(ControllerLogger.ROOT_LOGGER.invalidMinSize(size, parameterName, min)); } else if (size > max) { throw new OperationFailedException(ControllerLogger.ROOT_LOGGER.invalidMaxSize(size, parameterName, max)); } else { if (!allowDuplicates){ HashSet<ModelNode> dups = new HashSet<>(); for (ModelNode element : list) { if (!dups.add(element)){ throw new OperationFailedException(ControllerLogger.ROOT_LOGGER.duplicateElementsInList(parameterName)); } } dups.clear(); } for (ModelNode element : list) { elementValidator.validateParameter(parameterName, element); } } } } }