Package org.jboss.as.osgi.deployment

Source Code of org.jboss.as.osgi.deployment.BundleDeploymentProcessor

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* 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 java.util.List;

import javax.annotation.ManagedBean;

import org.jboss.as.ee.structure.DeploymentType;
import org.jboss.as.ee.structure.DeploymentTypeMarker;
import org.jboss.as.osgi.OSGiConstants;
import org.jboss.as.osgi.service.BundleLifecycleIntegration;
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.EjbDeploymentMarker;
import org.jboss.as.server.deployment.JPADeploymentMarker;
import org.jboss.as.server.deployment.annotation.CompositeIndex;
import org.jboss.as.server.deployment.module.ModuleSpecification;
import org.jboss.jandex.AnnotationInstance;
import org.jboss.jandex.AnnotationValue;
import org.jboss.jandex.DotName;
import org.jboss.jandex.MethodInfo;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.osgi.deployment.deployer.Deployment;
import org.jboss.osgi.deployment.deployer.DeploymentFactory;
import org.jboss.osgi.metadata.OSGiMetaData;
import org.jboss.osgi.spi.BundleInfo;

/**
* Processes deployments that have OSGi metadata attached.
*
* If so, it creates an {@link Deployment}.
*
* @author Thomas.Diesler@jboss.com
* @since 20-Sep-2010
*/
public class BundleDeploymentProcessor implements DeploymentUnitProcessor {

    @Override
    public void deploy(final DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {

        final DeploymentUnit depUnit = phaseContext.getDeploymentUnit();
        final String runtimeName = depUnit.getName();

        // Check if {@link BundleInstallIntegration} provided the {@link Deployment}
        Deployment deployment = BundleLifecycleIntegration.removeDeployment(runtimeName);
        if (deployment != null) {
            deployment.setAutoStart(false);
        }

        // Check for attached BundleInfo
        BundleInfo info = depUnit.getAttachment(OSGiConstants.BUNDLE_INFO_KEY);
        if (deployment == null && info != null) {
            deployment = DeploymentFactory.createDeployment(info);
            deployment.addAttachment(BundleInfo.class, info);
            OSGiMetaData metadata = info.getOSGiMetadata();
            deployment.setAutoStart(!metadata.isFragment());

            // Set the start level and prevent autostart if greater than the Framwork startlevel
            AnnotationInstance slAware = getAnnotation(depUnit, "org.jboss.arquillian.osgi.StartLevelAware");
            if (slAware != null) {
                MethodInfo slTarget = (MethodInfo) slAware.target();
                for (AnnotationInstance anDeployment : getAnnotations(depUnit, "org.jboss.arquillian.container.test.api.Deployment")) {
                    AnnotationValue namevalue = anDeployment.value("name");
                    Object deploymentName = namevalue != null ? namevalue.value() : null;
                    if (slTarget == anDeployment.target() && depUnit.getName().equals(deploymentName)) {
                        int startLevel = slAware.value("startLevel").asInt();
                        deployment.setStartLevel(startLevel);
                        deployment.setAutoStart(false);
                    }
                }
            }

            // Prevent autostart for marked deployments
            AnnotationInstance marker = getAnnotation(depUnit, "org.jboss.as.arquillian.api.DeploymentMarker");
            if (marker != null) {
                AnnotationValue value = marker.value("autoStart");
                if (value != null && deployment.isAutoStart()) {
                    deployment.setAutoStart(value.asBoolean());
                }
                value = marker.value("startLevel");
                if (value != null && deployment.getStartLevel() == null) {
                    deployment.setStartLevel(value.asInt());
                }
            }
        }

        // Attach the deployment
        if (deployment != null) {

            // Make sure the framework uses the same module id as the server
            ModuleIdentifier identifier = depUnit.getAttachment(Attachments.MODULE_IDENTIFIER);
            deployment.addAttachment(ModuleIdentifier.class, identifier);

            // Allow additional dependencies for the set of supported deployemnt types
            if (allowAdditionalModuleDependencies(depUnit)) {
                ModuleSpecification moduleSpec = depUnit.getAttachment(Attachments.MODULE_SPECIFICATION);
                deployment.addAttachment(ModuleSpecification.class, moduleSpec);
            } else {
                // Make this module private so that other modules in the deployment don't create a direct dependency
                ModuleSpecification moduleSpec = depUnit.getAttachment(Attachments.MODULE_SPECIFICATION);
                moduleSpec.setPrivateModule(true);
            }

            // Attach the bundle deployment
            depUnit.putAttachment(OSGiConstants.DEPLOYMENT_KEY, deployment);
            deployment.addAttachment(DeploymentUnit.class, depUnit);
        }
    }

    private List<AnnotationInstance> getAnnotations(DeploymentUnit depUnit, String className) {
        CompositeIndex index = depUnit.getAttachment(Attachments.COMPOSITE_ANNOTATION_INDEX);
        List<AnnotationInstance> annotations = index.getAnnotations(DotName.createSimple(className));
        return annotations;
    }

    private AnnotationInstance getAnnotation(DeploymentUnit depUnit, String className) {
        List<AnnotationInstance> annotations = getAnnotations(depUnit, className);
        return annotations.size() == 1 ? annotations.get(0) : null;
    }

    private boolean allowAdditionalModuleDependencies(final DeploymentUnit depUnit) {
        boolean isWar = DeploymentTypeMarker.isType(DeploymentType.WAR, depUnit);
        boolean isEjb = EjbDeploymentMarker.isEjbDeployment(depUnit);
        boolean isCDI = getAnnotation(depUnit, ManagedBean.class.getName()) != null;
        boolean isJPA = JPADeploymentMarker.isJPADeployment(depUnit);
        return isWar || isEjb || isCDI || isJPA;
    }

    @Override
    public void undeploy(final DeploymentUnit depUnit) {
        depUnit.removeAttachment(OSGiConstants.DEPLOYMENT_KEY);
    }
}
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