/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.management.client.content;
import java.util.Arrays;
import java.util.Locale;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.HashUtil;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.descriptions.DefaultOperationDescriptionProvider;
import org.jboss.as.controller.descriptions.DescriptionProvider;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.descriptions.ResourceDescriptionResolver;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
/**
* Add handler for a resource that represents a named bit of re-usable DMR.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class ManagedDMRContentStoreHandler implements OperationStepHandler, DescriptionProvider {
public static final String OPERATION_NAME = "store";
private final AttributeDefinition contentAttribute;
private final ResourceDescriptionResolver descriptionResolver;
public ManagedDMRContentStoreHandler(final AttributeDefinition contentAttribute, ResourceDescriptionResolver descriptionResolver) {
this.contentAttribute = contentAttribute;
this.descriptionResolver = descriptionResolver;
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
final Resource resource = context.readResourceForUpdate(PathAddress.EMPTY_ADDRESS);
final byte[] oldHash = ManagedDMRContentResourceDefinition.HASH.validateOperation(operation).asBytes();
final byte[] currentHash = resource.getModel().get(ManagedDMRContentResourceDefinition.HASH.getName()).asBytes();
if (!Arrays.equals(oldHash, currentHash)) {
throw ManagedDMRContentMessages.MESSAGES.invalidHash(
HashUtil.bytesToHexString(oldHash),
PathAddress.pathAddress(operation.require(ModelDescriptionConstants.OP_ADDR)),
HashUtil.bytesToHexString(currentHash));
}
ModelNode model = new ModelNode();
contentAttribute.validateAndSet(operation, model);
// IMPORTANT: Use writeModel, as this is what causes the content to be flushed to the content repo!
resource.writeModel(model);
context.completeStep(OperationContext.RollbackHandler.NOOP_ROLLBACK_HANDLER);
}
@Override
public ModelNode getModelDescription(Locale locale) {
DescriptionProvider delegate = new DefaultOperationDescriptionProvider(OPERATION_NAME, descriptionResolver, ManagedDMRContentResourceDefinition.HASH, contentAttribute);
return delegate.getModelDescription(locale);
}
}