/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, 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.controller.transform.description;
import java.util.Collections;
import java.util.List;
import org.jboss.as.controller.PathAddress;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* A transformer for a single attribute
*
* @author Emanuel Muckenhuber
* @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
*/
class AttributeTransformationDescription {
final String name;
final List<RejectAttributeChecker> checks;
final String newName;
final DiscardAttributeChecker discardChecker;
final AttributeConverter converter;
AttributeTransformationDescription(String name, List<RejectAttributeChecker> checks, String newName, DiscardAttributeChecker discardChecker, AttributeConverter converter) {
this.name = name;
this.checks = checks != null ? checks : Collections.<RejectAttributeChecker>emptyList();
this.newName = newName;
this.discardChecker = discardChecker;
this.converter = converter;
}
boolean shouldDiscard(PathAddress address, ModelNode attributeValue, ModelNode operation, TransformationRule.AbstractChainedContext context) {
if (discardChecker == null) {
return false;
}
if (discardChecker.isDiscardUndefined() && !attributeValue.isDefined()) {
return true;
}
if (!discardChecker.isDiscardExpressions() && attributeValue.getType() == ModelType.EXPRESSION) {
return false;
}
if (operation != null) {
if (discardChecker.isOperationParameterDiscardable(address, name, attributeValue, operation, context.getContext())) {
return true;
}
} else {
if (discardChecker.isResourceAttributeDiscardable(address, name, attributeValue, context.getContext())) {
return true;
}
}
return false;
}
String getNewName() {
return newName;
}
/**
* Checks attributes for rejection
*
* @param rejectedAttributes gathers information about failed attributes
* @param attributeValue the attribute value
*/
void rejectAttributes(RejectedAttributesLogContext rejectedAttributes, ModelNode attributeValue) {
for (RejectAttributeChecker checker : checks) {
rejectedAttributes.checkAttribute(checker, name, attributeValue);
}
}
void isExistingValue(PathAddress address, ModelNode attributeValue, ModelNode operation, TransformationRule.AbstractChainedContext context) {
if (converter != null) {
if (operation != null) {
converter.convertOperationParameter(address, name, attributeValue, operation, context.getContext());
} else {
converter.convertResourceAttribute(address, name, attributeValue, context.getContext());
}
}
}
void convertValue(PathAddress address, ModelNode attributeValue, ModelNode operation, TransformationRule.AbstractChainedContext context) {
if (converter != null) {
if (operation != null) {
converter.convertOperationParameter(address, name, attributeValue, operation, context.getContext());
} else {
converter.convertResourceAttribute(address, name, attributeValue, context.getContext());
}
}
}
}