/*
* JBoss, Home of Professional Open Source.
* Copyright 2016, 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.discovery;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.capability.RuntimeCapability;
import org.jboss.as.controller.operations.global.WriteAttributeHandler;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
import org.wildfly.discovery.AttributeValue;
import org.wildfly.discovery.ServiceURL;
import org.wildfly.discovery.impl.MutableDiscoveryProvider;
import org.wildfly.discovery.impl.StaticDiscoveryProvider;
import org.wildfly.discovery.spi.DiscoveryProvider;
/**
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
class StaticProviderAddHandler extends AbstractAddStepHandler {
private static final StaticProviderAddHandler INSTANCE = new StaticProviderAddHandler();
static StaticProviderAddHandler getInstance() {
return INSTANCE;
}
private StaticProviderAddHandler() {
super(new Parameters().addAttribute(StaticProviderDefinition.SERVICES));
}
public void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
context.registerCapability(
RuntimeCapability.Builder
.of(DiscoveryExtension.DISCOVERY_PROVIDER_CAPABILITY, true, new MutableDiscoveryProvider())
.build().fromBaseCapability(context.getCurrentAddressValue()));
super.execute(context, operation);
}
protected void recordCapabilitiesAndRequirements(final OperationContext context, final ModelNode operation, final Resource resource) throws OperationFailedException {
// no operation
}
static void modifyRegistrationModel(OperationContext context, ModelNode op) throws OperationFailedException {
WriteAttributeHandler.INSTANCE.execute(context, op);
context.addStep(op, StaticProviderAddHandler::modifyRegistration, OperationContext.Stage.RUNTIME);
}
static void modifyRegistration(OperationContext context, ModelNode op) throws OperationFailedException {
final MutableDiscoveryProvider mutableDiscoveryProvider = context.getCapabilityRuntimeAPI(DiscoveryExtension.DISCOVERY_PROVIDER_CAPABILITY, context.getCurrentAddressValue(), MutableDiscoveryProvider.class);
final ModelNode model = context.readResource(PathAddress.EMPTY_ADDRESS).getModel();
if (model.hasDefined(DiscoveryExtension.SERVICES)) {
final List<ModelNode> list = StaticProviderDefinition.SERVICES.resolveModelAttribute(context, model).asList();
final List<ServiceURL> services = new ArrayList<>();
for (ModelNode servicesNode : list) {
final ModelNode abstractTypeNode = StaticProviderDefinition.ABSTRACT_TYPE.resolveModelAttribute(context, servicesNode);
final ModelNode abstractTypeAuthorityNode = StaticProviderDefinition.ABSTRACT_TYPE_AUTHORITY.resolveModelAttribute(context, servicesNode);
final ModelNode uriNode = StaticProviderDefinition.URI.resolveModelAttribute(context, servicesNode);
final ModelNode uriSchemeAuthorityNode = StaticProviderDefinition.URI_SCHEME_AUTHORITY.resolveModelAttribute(context, servicesNode);
final ServiceURL.Builder builder = new ServiceURL.Builder();
if (abstractTypeNode != null && abstractTypeNode.isDefined()) builder.setAbstractType(abstractTypeNode.asString());
if (abstractTypeAuthorityNode != null && abstractTypeAuthorityNode.isDefined()) builder.setAbstractTypeAuthority(abstractTypeAuthorityNode.asString());
builder.setUri(URI.create(uriNode.asString()));
if (uriSchemeAuthorityNode != null && uriSchemeAuthorityNode.isDefined()) builder.setUriSchemeAuthority(uriSchemeAuthorityNode.asString());
final ModelNode attributesNode = StaticProviderDefinition.ATTRIBUTES.resolveModelAttribute(context, servicesNode);
if (attributesNode != null && attributesNode.isDefined()) {
final List<ModelNode> attributeNodeList = attributesNode.asList();
if (! attributeNodeList.isEmpty()) {
for (ModelNode node : attributeNodeList) {
final String key = StaticProviderDefinition.NAME.resolveModelAttribute(context, node).asString();
final ModelNode valueNode = StaticProviderDefinition.VALUE.resolveModelAttribute(context, node);
if (valueNode != null) {
builder.addAttribute(key, AttributeValue.fromString(valueNode.asString()));
} else {
builder.addAttribute(key);
}
}
}
}
final ServiceURL serviceURL = builder.create();
Messages.log.tracef("Adding service URL %s", serviceURL);
services.add(serviceURL);
}
mutableDiscoveryProvider.setDiscoveryProvider(services.isEmpty() ? DiscoveryProvider.EMPTY : new StaticDiscoveryProvider(services));
} else {
mutableDiscoveryProvider.setDiscoveryProvider(DiscoveryProvider.EMPTY);
}
}
}