/*
* 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.controller.operations.global;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.READ_CHILDREN_TYPES_OPERATION;
import static org.jboss.as.controller.operations.global.GlobalOperationAttributes.INCLUDE_ALIASES;
import static org.jboss.as.controller.operations.global.GlobalOperationAttributes.INCLUDE_SINGLETONS;
import java.util.Set;
import java.util.TreeSet;
import org.jboss.as.controller.OperationContext;
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.SimpleOperationDefinitionBuilder;
import org.jboss.as.controller.descriptions.common.ControllerResolver;
import org.jboss.as.controller.logging.ControllerLogger;
import org.jboss.as.controller.registry.ImmutableManagementResourceRegistration;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* {@link org.jboss.as.controller.OperationStepHandler} querying the child types of a given node.
*
* @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
* @author Brian Stansberry (c) 2012 Red Hat Inc.
*/
public class ReadChildrenTypesHandler implements OperationStepHandler {
static final OperationDefinition DEFINITION = new SimpleOperationDefinitionBuilder(READ_CHILDREN_TYPES_OPERATION, ControllerResolver.getResolver("global"))
.setParameters(INCLUDE_ALIASES, INCLUDE_SINGLETONS)
.setReadOnly()
.setRuntimeOnly()
.setReplyType(ModelType.LIST)
.setReplyValueType(ModelType.STRING)
.build();
static final OperationStepHandler INSTANCE = new ReadChildrenTypesHandler();
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
final ImmutableManagementResourceRegistration registry = context.getResourceRegistration();
if (registry == null) {
throw new OperationFailedException(ControllerLogger.ROOT_LOGGER.noSuchResourceType(context.getCurrentAddress()));
}
final boolean aliases = INCLUDE_ALIASES.resolveModelAttribute(context, operation).asBoolean(false);
final boolean singletons = INCLUDE_SINGLETONS.resolveModelAttribute(context, operation).asBoolean(false);
Set<PathElement> childTypes = registry.getChildAddresses(PathAddress.EMPTY_ADDRESS);
Set<String> children = new TreeSet<String>();
for (final PathElement child : childTypes) {
PathAddress relativeAddr = PathAddress.pathAddress(child);
ImmutableManagementResourceRegistration childReg = registry.getSubModel(relativeAddr);
boolean isSingletonResource = childReg == null || !child.isWildcard();
if (childReg.isAlias() && !aliases) {
continue;
}
if(singletons && isSingletonResource) {
children.add(child.getKey() + '=' + child.getValue());
} else {
children.add(child.getKey());
}
}
final ModelNode result = context.getResult();
result.setEmptyList();
for(String child : children) {
result.add(child);
}
}
}