/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2010, 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.service;

import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.as.server.deployment.SubDeploymentMarker;
import org.jboss.as.server.deployment.module.ModuleRootMarker;
import org.jboss.as.server.deployment.module.ResourceRoot;
import org.jboss.vfs.VirtualFile;

import java.util.List;

/**
 * Deployment processor used to determine if a possible sub-deployment contains a service descriptor.
 *
 * @author John Bailey
 */
public class SarSubDeploymentProcessor implements DeploymentUnitProcessor {
    public void deploy(final DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
        final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
        if (deploymentUnit.getParent() != null) {
            return;
        }

        final List<ResourceRoot> resourceRoots = deploymentUnit.getAttachment(Attachments.RESOURCE_ROOTS);
        if (resourceRoots != null) {
            for (ResourceRoot resourceRoot : resourceRoots) {
                final VirtualFile rootFile = resourceRoot.getRoot();
                if (!SubDeploymentMarker.isSubDeployment(resourceRoot)) {
                    final VirtualFile sarDescriptor = rootFile
                            .getChild(ServiceDeploymentParsingProcessor.SERVICE_DESCRIPTOR_PATH);
                    if (sarDescriptor.exists()) {
                        SubDeploymentMarker.mark(resourceRoot);
                        ModuleRootMarker.mark(resourceRoot);
                    }
                }
            }
        }
    }

    public void undeploy(DeploymentUnit context) {
    }
}
