/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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.wildfly.extension.picketlink.common.model.validator;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.dmr.ModelNode;
import static org.jboss.as.controller.PathAddress.EMPTY_ADDRESS;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.wildfly.extension.picketlink.logging.PicketLinkLogger.ROOT_LOGGER;
/**
* @author Pedro Igor
*/
public class AlternativeAttributeValidationStepHandler implements ModelValidationStepHandler {
private final AttributeDefinition[] attributes;
private final boolean required;
public AlternativeAttributeValidationStepHandler(AttributeDefinition[] attributes) {
this(attributes, true);
}
public AlternativeAttributeValidationStepHandler(AttributeDefinition[] attributes, boolean required) {
this.attributes = attributes;
this.required = required;
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
validateAlternatives(context, operation);
}
protected void validateAlternatives(OperationContext context, ModelNode operation) throws OperationFailedException {
ModelNode elementNode = context.readResource(EMPTY_ADDRESS, false).getModel();
PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
ModelNode definedAttribute = null;
for (AttributeDefinition attribute : this.attributes) {
if (elementNode.hasDefined(attribute.getName())) {
if (definedAttribute != null) {
throw ROOT_LOGGER.invalidAlternativeAttributeOccurrence(attribute.getName(), address.getLastElement().toString(), getAttributeNames());
}
definedAttribute = attribute.resolveModelAttribute(context, elementNode);
}
}
if (this.required && definedAttribute == null) {
throw ROOT_LOGGER.requiredAlternativeAttributes(address.getLastElement().toString(), getAttributeNames());
}
}
private String getAttributeNames() {
StringBuilder builder = new StringBuilder();
for (AttributeDefinition alternativeAttribute : this.attributes) {
if (builder.length() > 0) {
builder.append(", ");
}
builder.append(alternativeAttribute.getName());
}
return builder.toString();
}
}