/*
* 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.platform.mbean;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.*;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.operations.validation.ModelTypeValidator;
import org.jboss.as.controller.operations.validation.ParametersValidator;
import org.jboss.as.controller.operations.validation.StringLengthValidator;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* Base class for handlers for reading and writing platform mbean attributes.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
abstract class AbstractPlatformMBeanAttributeHandler implements OperationStepHandler {
protected final ParametersValidator readAttributeValidator = new ParametersValidator();
protected final ParametersValidator writeAttributeValidator = new ParametersValidator();
protected AbstractPlatformMBeanAttributeHandler() {
readAttributeValidator.registerValidator(NAME, new StringLengthValidator(1));
writeAttributeValidator.registerValidator(NAME, new StringLengthValidator(1));
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
String op = operation.require(OP).asString();
if (READ_ATTRIBUTE_OPERATION.equals(op)) {
readAttributeValidator.validate(operation);
executeReadAttribute(context, operation);
} else if (WRITE_ATTRIBUTE_OPERATION.equals(op)) {
writeAttributeValidator.validate(operation);
executeWriteAttribute(context, operation);
}
context.completeStep();
}
protected abstract void executeReadAttribute (OperationContext context, ModelNode operation) throws OperationFailedException;
protected abstract void executeWriteAttribute (OperationContext context, ModelNode operation) throws OperationFailedException;
protected abstract void register(ManagementResourceRegistration registration);
protected static OperationFailedException unknownAttribute(final ModelNode operation) {
return new OperationFailedException(new ModelNode().set(String.format("No known attribute %s",
operation.require(NAME).asString()))); // TODO i18n
}
}