/*
* 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.wildfly.extension.messaging.activemq.jms;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.INCLUDE_DEFAULTS;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
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.dmr.ModelNode;
import org.wildfly.extension.messaging.activemq.logging.MessagingLogger;
/**
* Base type for runtime operations on XML deployed message resources
*
* @author Stuart Douglas
*/
public abstract class AbstractJMSRuntimeHandler<T> extends AbstractRuntimeOnlyHandler {
private final Map<ResourceConfig, T> resources = Collections.synchronizedMap(new HashMap<ResourceConfig, T>());
@Override
protected void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
String opName = operation.require(ModelDescriptionConstants.OP).asString();
PathAddress address = PathAddress.pathAddress(operation.require(ModelDescriptionConstants.OP_ADDR));
final T dataSource = getResourceConfig(address);
boolean includeDefault = operation.hasDefined(INCLUDE_DEFAULTS) ? operation.get(INCLUDE_DEFAULTS).asBoolean() : false;
if (ModelDescriptionConstants.READ_ATTRIBUTE_OPERATION.equals(opName)) {
final String attributeName = operation.require(ModelDescriptionConstants.NAME).asString();
executeReadAttribute(attributeName, context, dataSource, address, includeDefault);
} else {
throw unknownOperation(opName);
}
}
public void registerResource(final String server, final String name, final T resource) {
resources.put(new ResourceConfig(server, name), resource);
}
public void unregisterResource(final String server, final String name) {
resources.remove(new ResourceConfig(server, name));
}
protected abstract void executeReadAttribute(final String attributeName, final OperationContext context, final T destination, final PathAddress address, final boolean includeDefault);
private static IllegalStateException unknownOperation(String opName) {
throw MessagingLogger.ROOT_LOGGER.operationNotValid(opName);
}
private T getResourceConfig(final PathAddress operationAddress) throws OperationFailedException {
final String name = operationAddress.getLastElement().getValue();
final String server = operationAddress.getElement(operationAddress.size() - 2).getValue();
T config = resources.get(new ResourceConfig(server, name));
if (config == null) {
throw new OperationFailedException(MessagingLogger.ROOT_LOGGER.noDestinationRegisteredForAddress(operationAddress));
}
return config;
}
private static final class ResourceConfig {
private final String server;
private final String name;
private ResourceConfig(final String server, final String name) {
this.name = name;
this.server = server;
}
@Override
public boolean equals(final Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
final ResourceConfig that = (ResourceConfig) o;
if (!name.equals(that.name)) return false;
if (!server.equals(that.server)) return false;
return true;
}
@Override
public int hashCode() {
int result = server.hashCode();
result = 31 * result + name.hashCode();
return result;
}
}
}