/*
* 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.jboss.as.controller.transform;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
/**
* {@code OperationTransformer} and {@code ResourceTransformer} transforming the operation address only.
*
* @author Emanuel Muckenhuber
*/
@Deprecated //todo could probably be removed as it is not used anywhere
public class AliasOperationTransformer implements CombinedTransformer {
public interface AddressTransformer {
/**
* Transform an address.
*
* @param address the address to transform
* @return the transformed address
*/
PathAddress transformAddress(PathAddress address);
}
private final AddressTransformer transformer;
protected AliasOperationTransformer(AddressTransformer transformer) {
this.transformer = transformer;
}
@Override
public TransformedOperation transformOperation(final TransformationContext context, final PathAddress address, final ModelNode original) throws OperationFailedException{
final ModelNode operation = original.clone();
final PathAddress transformedAddress = transformer.transformAddress(address);
operation.get(ModelDescriptionConstants.OP_ADDR).set(transformedAddress.toModelNode());
// Hand-off to a local operation transformer at the right address
final String operationName = operation.get(ModelDescriptionConstants.OP).asString();
final OperationTransformer aliasTransformer = context.getTarget().resolveTransformer(context, transformedAddress, operationName);
if(aliasTransformer != null) {
return aliasTransformer.transformOperation(context, transformedAddress, operation);
} else {
return new TransformedOperation(operation, OperationResultTransformer.ORIGINAL_RESULT);
}
}
@Override
public void transformResource(final ResourceTransformationContext currentCtx, final PathAddress address, final Resource resource) throws OperationFailedException {
final PathAddress transformedAddress = transformer.transformAddress(address);
final ResourceTransformationContext context = ResourceTransformationContextImpl.createAliasContext(transformedAddress, currentCtx);
final ResourceTransformer aliasTransformer = context.getTarget().resolveTransformer(null, transformedAddress);
if(aliasTransformer != null) {
aliasTransformer.transformResource(context, address, resource);
} else {
ResourceTransformer.DEFAULT.transformResource(context, transformedAddress, resource);
}
}
/**
* Replace the last element of an address with a static path element.
*
* @param element the path element
* @return the operation address transformer
*/
public static AliasOperationTransformer replaceLastElement(final PathElement element) {
return create(new AddressTransformer() {
@Override
public PathAddress transformAddress(final PathAddress original) {
final PathAddress address = original.subAddress(0, original.size() -1);
return address.append(element);
}
});
}
public static AliasOperationTransformer create(final AddressTransformer transformer) {
return new AliasOperationTransformer(transformer);
}
}