Package org.jboss.as.osgi.deployment

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

/*
* 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 java.io.IOException;
import java.util.jar.Manifest;

import org.jboss.as.deployment.DeploymentPhases;
import org.jboss.as.deployment.attachment.ManifestAttachment;
import org.jboss.as.deployment.attachment.VirtualFileAttachment;
import org.jboss.as.deployment.unit.DeploymentUnitContext;
import org.jboss.as.deployment.unit.DeploymentUnitProcessingException;
import org.jboss.as.deployment.unit.DeploymentUnitProcessor;
import org.jboss.osgi.deployment.deployer.Deployment;
import org.jboss.osgi.deployment.deployer.DeploymentFactory;
import org.jboss.osgi.spi.util.BundleInfo;
import org.jboss.osgi.vfs.AbstractVFS;
import org.jboss.vfs.VFSUtils;
import org.jboss.vfs.VirtualFile;
import org.osgi.framework.BundleException;

/**
* Processes deployments that contain a valid OSGi manifest.
*
* @author Thomas.Diesler@jboss.com
* @since 20-Sep-2010
*/
public class OSGiManifestDeploymentProcessor implements DeploymentUnitProcessor {

    public static final long PRIORITY = DeploymentPhases.PARSE_DESCRIPTORS.plus(100L);

    @Override
    public void processDeployment(DeploymentUnitContext context) throws DeploymentUnitProcessingException {

        // Check if we already have an OSGi deployment
        Deployment deployment = DeploymentAttachment.getDeploymentAttachment(context);
        if (deployment != null)
            return;

        // Get the manifest from the deployment's virtual file
        VirtualFile virtualFile = VirtualFileAttachment.getVirtualFileAttachment(context);
        Manifest manifest = ManifestAttachment.getManifestAttachment(context);
        if (manifest == null) {
            // Check if this virtual file contains a valid OSGi manifest
            // If so attach the BundleInfo and the Deployment abstraction
            try {
                manifest = VFSUtils.getManifest(virtualFile);
                if (manifest != null)
                    ManifestAttachment.attachManifest(context, manifest);
            } catch (IOException ex) {
                throw new DeploymentUnitProcessingException("Cannot read manifest from: " + virtualFile);
            }
        }

        // Nothing to do if this is not a valid manifest
        if (BundleInfo.isValidateBundleManifest(manifest)) {
            // Construct and attach the {@link BundleInfo} and {@link Deployment}
            try {
                BundleInfo info = BundleInfo.createBundleInfo(AbstractVFS.adapt(virtualFile));
                deployment = DeploymentFactory.createDeployment(info);
                BundleInfoAttachment.attachBundleInfo(context, info);
                DeploymentAttachment.attachDeployment(context, deployment);
            } catch (BundleException ex) {
                throw new DeploymentUnitProcessingException("Cannot create bundle deployment from: " + virtualFile);
            }
        }
    }
}
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