/*
* 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.osgi.deployment;
import static org.jboss.as.osgi.OSGiLogger.LOGGER;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.jboss.as.osgi.OSGiConstants;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.Attachments.BundleState;
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.modules.Module;
import org.jboss.osgi.deployment.deployer.Deployment;
import org.jboss.osgi.framework.spi.BundleManager;
import org.jboss.osgi.resolver.XBundle;
import org.jboss.osgi.resolver.XBundleRevision;
import org.jboss.osgi.resolver.XEnvironment;
import org.jboss.osgi.resolver.XPackageRequirement;
import org.jboss.osgi.resolver.XResolveContext;
import org.jboss.osgi.resolver.XResolver;
import org.osgi.framework.Bundle;
import org.osgi.framework.namespace.PackageNamespace;
import org.osgi.framework.wiring.BundleRequirement;
import org.osgi.service.resolver.ResolutionException;
/**
* Attach the {@link Module} for a resolved OSGi bundle.
*
* @author Thomas.Diesler@jboss.com
* @since 01-Jul-2012
*/
public class BundleResolveProcessor implements DeploymentUnitProcessor {
@Override
public void deploy(final DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
DeploymentUnit depUnit = phaseContext.getDeploymentUnit();
Deployment deployment = depUnit.getAttachment(OSGiConstants.DEPLOYMENT_KEY);
XBundle bundle = depUnit.getAttachment(OSGiConstants.BUNDLE_KEY);
if (bundle == null || !deployment.isAutoStart() || bundle.isResolved())
return;
resolveBundle(phaseContext, depUnit, bundle);
}
private void resolveBundle(DeploymentPhaseContext phaseContext, DeploymentUnit depUnit, XBundle bundle) {
XBundleRevision brev = bundle.getBundleRevision();
XEnvironment env = depUnit.getAttachment(OSGiConstants.ENVIRONMENT_KEY);
XResolver resolver = depUnit.getAttachment(OSGiConstants.RESOLVER_KEY);
BundleManager bundleManager = depUnit.getAttachment(OSGiConstants.BUNDLE_MANAGER_KEY);
Set<XBundleRevision> mandatoryResources = Collections.singleton(brev);
Set<XBundleRevision> optionalResources = getOptionalResources(bundleManager, brev);
XResolveContext context = resolver.createResolveContext(env, mandatoryResources, optionalResources);
try {
LOGGER.debugf("Resolve: %s", depUnit.getName());
resolver.resolveAndApply(context);
depUnit.putAttachment(Attachments.BUNDLE_STATE_KEY, BundleState.RESOLVED);
} catch (ResolutionException ex) {
LOGGER.warnCannotResolve(ex.getUnresolvedRequirements());
}
}
private Set<XBundleRevision> getOptionalResources(BundleManager bundleManager, XBundleRevision brev) {
Set<XBundleRevision> result = null;
for (BundleRequirement req : brev.getDeclaredRequirements(PackageNamespace.PACKAGE_NAMESPACE)) {
XPackageRequirement preq = (XPackageRequirement) req;
if (preq.isOptional()) {
result = new HashSet<XBundleRevision>();
for (XBundle bundle : bundleManager.getBundles(Bundle.INSTALLED)) {
result.add(bundle.getBundleRevision());
}
break;
}
}
return result;
}
@Override
public void undeploy(final DeploymentUnit depUnit) {
}
}