/*
* Copyright (C) 2015 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 library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package org.jboss.as.controller.operations.global;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.READ_ATTRIBUTE_GROUP_NAMES_OPERATION;
import java.util.Collections;
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.SimpleOperationDefinitionBuilder;
import org.jboss.as.controller.descriptions.common.ControllerResolver;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.registry.ImmutableManagementResourceRegistration;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* {@link org.jboss.as.controller.OperationStepHandler} returning the names of attribute groups of a given model
* address.
*
* @author <a href="mailto:ehugonne@redhat.com">Emmanuel Hugonnet</a> (c) 2015 Red Hat, inc.
*/
public class ReadAttributeGroupNamesHandler implements OperationStepHandler {
static final OperationDefinition DEFINITION = new SimpleOperationDefinitionBuilder(READ_ATTRIBUTE_GROUP_NAMES_OPERATION, ControllerResolver.getResolver("global"))
.setReadOnly()
.setRuntimeOnly()
.setReplyType(ModelType.LIST)
.setReplyValueType(ModelType.STRING)
.build();
static OperationStepHandler INSTANCE = new ReadAttributeGroupNamesHandler();
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
ModelNode result = context.getResult().setEmptyList();
final ImmutableManagementResourceRegistration registry = context.getResourceRegistration();
final Set<String> attributeNames = registry != null ? registry.getAttributeNames(PathAddress.EMPTY_ADDRESS) : Collections.<String>emptySet();
TreeSet<String> groupNames = new TreeSet<String>();
for (final String attributeName : attributeNames) {
final AttributeAccess attribute = registry.getAttributeAccess(PathAddress.EMPTY_ADDRESS, attributeName);
if (attribute.getAttributeDefinition().getAttributeGroup() != null) {
groupNames.add(attribute.getAttributeDefinition().getAttributeGroup());
}
}
for (String groupName : groupNames) {
result.add(groupName);
}
}
}