001/*
002 * (C) Copyright 2006-2010 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     bstefanescu
016 */
017package org.nuxeo.connect.update.task.live.commands;
018
019import java.io.File;
020import java.io.IOException;
021import java.util.Map;
022
023import org.apache.commons.logging.Log;
024import org.apache.commons.logging.LogFactory;
025import org.nuxeo.connect.update.PackageException;
026import org.nuxeo.connect.update.task.Command;
027import org.nuxeo.connect.update.task.Task;
028import org.nuxeo.connect.update.task.standalone.commands.CompositeCommand;
029import org.nuxeo.connect.update.task.standalone.commands.DeployPlaceholder;
030import org.nuxeo.runtime.api.Framework;
031import org.nuxeo.runtime.reload.ReloadService;
032import org.osgi.framework.BundleException;
033
034/**
035 * Deploy a runtime bundle, or a directory containing runtime bundles.
036 * <p>
037 * The inverse of this command is Undeploy.
038 *
039 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
040 */
041public class Deploy extends DeployPlaceholder {
042
043    private static final Log log = LogFactory.getLog(Deploy.class);
044
045    public Deploy() {
046        super();
047    }
048
049    public Deploy(File file) {
050        super(file);
051    }
052
053    protected Undeploy deployFile(File file, ReloadService service) throws PackageException {
054        String name = service.getOSGIBundleName(file);
055        if (name == null) {
056            // not an OSGI bundle => ignore
057            return null;
058        }
059        try {
060            service.deployBundle(file, true);
061        } catch (BundleException e) {
062            throw new PackageException("Failed to deploy bundle " + file, e);
063        }
064        return new Undeploy(file);
065    }
066
067    protected CompositeCommand deployDirectory(File dir, ReloadService service) throws PackageException {
068        CompositeCommand cmd = new CompositeCommand();
069        File[] files = dir.listFiles();
070        if (files != null) {
071            for (File fileInDir : files) {
072                Command ud = deployFile(fileInDir, service);
073                if (ud != null) {
074                    cmd.addCommand(ud);
075                }
076            }
077        }
078        if (cmd.isEmpty()) {
079            // nothing to rollback
080            return null;
081        }
082        return cmd;
083    }
084
085    @Override
086    protected Command doRun(Task task, Map<String, String> prefs) throws PackageException {
087        if (!file.exists()) {
088            log.warn("Can't deploy file " + file + ". File is missing.");
089            return null;
090        }
091        ReloadService srv = Framework.getLocalService(ReloadService.class);
092        Command rollback;
093        if (file.isDirectory()) {
094            rollback = deployDirectory(file, srv);
095        } else {
096            rollback = deployFile(file, srv);
097        }
098        if (rollback != null) {
099            // some deployments where done
100            try {
101                srv.runDeploymentPreprocessor();
102            } catch (IOException e) {
103                throw new PackageException(e.getMessage(), e);
104            }
105        }
106        return rollback;
107    }
108
109}