/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat Middleware LLC, 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.operations.common;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.FAILURE_DESCRIPTION;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.HOST;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.SERVER;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.VALIDATE_OPERATION;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationContext.Stage;
import org.jboss.as.controller.OperationDefinition;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.ProxyOperationAddressTranslator;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleOperationDefinitionBuilder;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.descriptions.common.ControllerResolver;
import org.jboss.as.controller.operations.validation.OperationValidator;
import org.jboss.as.controller.registry.ImmutableManagementResourceRegistration;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* Validates an operation
*
* @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
*/
public class ValidateOperationHandler implements OperationStepHandler {
public static ValidateOperationHandler INSTANCE = new ValidateOperationHandler(false);
public static ValidateOperationHandler SLAVE_HC_INSTANCE = new ValidateOperationHandler(true);
private static final SimpleAttributeDefinition VALUE = new SimpleAttributeDefinitionBuilder(ModelDescriptionConstants.VALUE, ModelType.OBJECT)
.setAllowNull(false)
.build();
public static final OperationDefinition DEFINITION = new SimpleOperationDefinitionBuilder(VALIDATE_OPERATION, ControllerResolver.getResolver("global"))
.setParameters(VALUE)
.setReadOnly()
.setRuntimeOnly()
.build();
public static final OperationDefinition DEFINITION_PRIVATE = new SimpleOperationDefinitionBuilder(VALIDATE_OPERATION, ControllerResolver.getResolver("global"))
.setParameters(VALUE)
.setReadOnly()
.setRuntimeOnly()
.setPrivateEntry()
.build();
private final boolean slave;
private ValidateOperationHandler(boolean slave) {
this.slave = slave;
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
ModelNode op = operation.require(VALUE.getName());
PathAddress addr = PathAddress.pathAddress(op.get(OP_ADDR));
if (slave) {
op = op.clone();
//Get rid of the initial host element
if (addr.size() > 0 && addr.getElement(0).getKey().equals(HOST)) {
addr = addr.subAddress(1);
op.get(OP_ADDR).set(addr.toModelNode());
}
}
ProxyOperationAddressTranslator translator = null;
ImmutableManagementResourceRegistration proxyReg = null;
PathAddress proxyAddr = PathAddress.EMPTY_ADDRESS;
for (PathElement element : addr) {
proxyAddr = proxyAddr.append(element);
ImmutableManagementResourceRegistration reg = context.getResourceRegistration().getSubModel(proxyAddr);
if (reg.isRemote()) {
translator = element.getKey().equals(SERVER) ? ProxyOperationAddressTranslator.SERVER : ProxyOperationAddressTranslator.HOST;
proxyReg = reg;
break;
}
}
if (proxyReg != null) {
ModelNode proxyOp = operation.clone();
proxyOp.get(OP_ADDR).set(proxyAddr.toModelNode());
proxyOp.get(VALUE.getName(), OP_ADDR).set(translator.translateAddress(addr).toModelNode());
final ModelNode result = new ModelNode();
context.addStep(result, proxyOp, proxyReg.getOperationHandler(PathAddress.EMPTY_ADDRESS, VALIDATE_OPERATION), Stage.IMMEDIATE);
context.completeStep(new OperationContext.RollbackHandler() {
@Override
public void handleRollback(OperationContext context, ModelNode operation) {
context.getFailureDescription().set(result.get(FAILURE_DESCRIPTION));
}
});
} else {
try {
new OperationValidator(context.getResourceRegistration(), false, false).validateOperation(op);
} catch (IllegalArgumentException e) {
context.getFailureDescription().set(e.getMessage());
}
context.completeStep(OperationContext.RollbackHandler.NOOP_ROLLBACK_HANDLER);
}
}
}