/**
 * Copyright 2015 Red Hat, Inc, and individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.wildfly.swarm.keycloak.runtime;

import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.dmr.ModelNode;
import org.jboss.shrinkwrap.api.Archive;
import org.wildfly.swarm.container.JARArchive;
import org.wildfly.swarm.container.runtime.AbstractServerConfiguration;
import org.wildfly.swarm.container.runtime.Configuration;
import org.wildfly.swarm.keycloak.KeycloakFraction;

import java.util.ArrayList;
import java.util.List;

import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.*;

/**
 * @author Bob McWhirter
 */
@Configuration
public class KeycloakConfiguration extends AbstractServerConfiguration<KeycloakFraction> {

    public KeycloakConfiguration() {
        super(KeycloakFraction.class);
    }

    @Override
    public KeycloakFraction defaultFraction() {
        return new KeycloakFraction();
    }

    @Override
    public void prepareArchive(Archive<?> a) {
        a.as(JARArchive.class).addModule( "org.keycloak.keycloak-core" );
    }

    @Override
    public List<ModelNode> getList(KeycloakFraction fraction) {
        List<ModelNode> list = new ArrayList<>();

        PathAddress address = PathAddress.pathAddress(PathElement.pathElement(SUBSYSTEM, "keycloak"));

        ModelNode node = new ModelNode();
        node.get(OP_ADDR).set(EXTENSION, "org.keycloak.keycloak-adapter-subsystem");
        node.get(OP).set(ADD);
        list.add(node);

        node = new ModelNode();
        node.get(OP_ADDR).set(address.toModelNode());
        node.get(OP).set(ADD);
        list.add(node);

        return list;

    }
}

/**
 * Copyright 2015 Red Hat, Inc, and individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.wildfly.swarm.keycloak.runtime;

import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.dmr.ModelNode;
import org.jboss.shrinkwrap.api.Archive;
import org.wildfly.swarm.container.JARArchive;
import org.wildfly.swarm.container.runtime.AbstractServerConfiguration;
import org.wildfly.swarm.keycloak.KeycloakFraction;

import java.util.ArrayList;
import java.util.List;

import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.*;

/**
 * @author Bob McWhirter
 */
public class KeycloakConfiguration extends AbstractServerConfiguration<KeycloakFraction> {

    public KeycloakConfiguration() {
        super(KeycloakFraction.class);
    }

    @Override
    public KeycloakFraction defaultFraction() {
        return new KeycloakFraction();
    }

    @Override
    public void prepareArchive(Archive<?> a) {
        a.as(JARArchive.class).addModule( "org.keycloak.keycloak-core" );
    }

    @Override
    public List<ModelNode> getList(KeycloakFraction fraction) {
        List<ModelNode> list = new ArrayList<>();

        PathAddress address = PathAddress.pathAddress(PathElement.pathElement(SUBSYSTEM, "keycloak"));

        ModelNode node = new ModelNode();
        node.get(OP_ADDR).set(EXTENSION, "org.keycloak.keycloak-adapter-subsystem");
        node.get(OP).set(ADD);
        list.add(node);

        node = new ModelNode();
        node.get(OP_ADDR).set(address.toModelNode());
        node.get(OP).set(ADD);
        list.add(node);

        return list;

    }
}

Remove the need for @Configuration annotation. Simplify!