/*
* 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.messaging.jms.bridge;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.READ_ATTRIBUTE_OPERATION;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.START;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.STOP;
import static org.jboss.as.messaging.CommonAttributes.NAME;
import static org.jboss.as.messaging.CommonAttributes.PAUSED;
import static org.jboss.as.messaging.CommonAttributes.STARTED;
import static org.jboss.as.messaging.jms.bridge.JMSBridgeDefinition.PAUSE;
import static org.jboss.as.messaging.jms.bridge.JMSBridgeDefinition.RESUME;
import org.hornetq.jms.bridge.JMSBridge;
import org.jboss.as.controller.AbstractRuntimeOnlyHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.logging.ControllerLogger;
import org.jboss.as.controller.operations.validation.ParametersValidator;
import org.jboss.as.controller.operations.validation.StringLengthValidator;
import org.jboss.as.messaging.MessagingServices;
import org.jboss.as.messaging.logging.MessagingLogger;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
/**
* @author Jeff Mesnil (c) 2012 Red Hat Inc.
*/
public class JMSBridgeHandler extends AbstractRuntimeOnlyHandler {
public static final JMSBridgeHandler INSTANCE = new JMSBridgeHandler();
private ParametersValidator readAttributeValidator = new ParametersValidator();
private JMSBridgeHandler() {
readAttributeValidator.registerValidator(NAME, new StringLengthValidator(1));
}
@Override
protected void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
final String bridgeName = PathAddress.pathAddress(operation.get(OP_ADDR)).getLastElement()
.getValue();
final String operationName = operation.require(OP).asString();
final boolean modify;
if (READ_ATTRIBUTE_OPERATION.equals(operationName)) {
modify = false;
} else {
modify = true;
}
final ServiceName bridgeServiceName = MessagingServices.getJMSBridgeServiceName(bridgeName);
final ServiceController<?> bridgeService = context.getServiceRegistry(modify).getService(bridgeServiceName);
if (bridgeService == null) {
PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
throw ControllerLogger.ROOT_LOGGER.managementResourceNotFound(address);
}
final JMSBridge bridge = JMSBridge.class.cast(bridgeService.getValue());
if (READ_ATTRIBUTE_OPERATION.equals(operationName)) {
readAttributeValidator.validate(operation);
final String name = operation.require(NAME).asString();
if (STARTED.equals(name)) {
context.getResult().set(bridge.isStarted());
} else if (PAUSED.getName().equals(name)) {
context.getResult().set(bridge.isPaused());
} else {
throw MessagingLogger.ROOT_LOGGER.unsupportedAttribute(name);
}
}
else if (START.equals(operationName)) {
try {
// we do not start the bridge directly but call startBridge() instead
// to ensure the class loader will be able to load any external resources
JMSBridgeService service = (JMSBridgeService) bridgeService.getService();
service.startBridge();
} catch (Exception e) {
context.getFailureDescription().set(e.getLocalizedMessage());
}
} else if (STOP.equals(operationName)) {
try {
bridge.stop();
} catch (Exception e) {
context.getFailureDescription().set(e.getLocalizedMessage());
}
} else if (PAUSE.equals(operationName)) {
try {
bridge.pause();
} catch (Exception e) {
context.getFailureDescription().set(e.getLocalizedMessage());
}
} else if (RESUME.equals(operationName)) {
try {
bridge.resume();
} catch (Exception e) {
context.getFailureDescription().set(e.getLocalizedMessage());
}
} else {
throw MessagingLogger.ROOT_LOGGER.unsupportedOperation(operationName);
}
context.completeStep(new OperationContext.RollbackHandler() {
@Override
public void handleRollback(OperationContext context, ModelNode operation) {
try {
if (START.equals(operationName)) {
bridge.stop();
} else if (STOP.equals(operationName)) {
JMSBridgeService service = (JMSBridgeService) bridgeService.getService();
service.startBridge();
} else if (PAUSE.equals(operationName)) {
bridge.resume();
} else if (RESUME.equals(operationName)) {
bridge.pause();
}
} catch (Exception e) {
MessagingLogger.ROOT_LOGGER.revertOperationFailed(e, getClass().getSimpleName(), operation
.require(ModelDescriptionConstants.OP).asString(), PathAddress.pathAddress(operation
.require(ModelDescriptionConstants.OP_ADDR)));
}
}
});
}
}