001/*
002 * (C) Copyright 2006-2010 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.connect.update.task.live.commands;
020
021import java.io.File;
022import java.io.IOException;
023import java.util.Map;
024
025import org.apache.commons.logging.Log;
026import org.apache.commons.logging.LogFactory;
027import org.nuxeo.connect.update.PackageException;
028import org.nuxeo.connect.update.task.Command;
029import org.nuxeo.connect.update.task.Task;
030import org.nuxeo.connect.update.task.standalone.commands.CompositeCommand;
031import org.nuxeo.connect.update.task.standalone.commands.DeployPlaceholder;
032import org.nuxeo.runtime.api.Framework;
033import org.nuxeo.runtime.reload.ReloadService;
034import org.osgi.framework.BundleException;
035
036/**
037 * Deploy a runtime bundle, or a directory containing runtime bundles.
038 * <p>
039 * The inverse of this command is Undeploy.
040 *
041 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
042 */
043public class Deploy extends DeployPlaceholder {
044
045    private static final Log log = LogFactory.getLog(Deploy.class);
046
047    public Deploy() {
048        super();
049    }
050
051    public Deploy(File file) {
052        super(file);
053    }
054
055    protected Undeploy deployFile(File file, ReloadService service) throws PackageException {
056        String name = service.getOSGIBundleName(file);
057        if (name == null) {
058            // not an OSGI bundle => ignore
059            return null;
060        }
061        try {
062            service.deployBundle(file, true);
063        } catch (BundleException e) {
064            throw new PackageException("Failed to deploy bundle " + file, e);
065        }
066        return new Undeploy(file);
067    }
068
069    protected CompositeCommand deployDirectory(File dir, ReloadService service) throws PackageException {
070        CompositeCommand cmd = new CompositeCommand();
071        File[] files = dir.listFiles();
072        if (files != null) {
073            for (File fileInDir : files) {
074                Command ud = deployFile(fileInDir, service);
075                if (ud != null) {
076                    cmd.addCommand(ud);
077                }
078            }
079        }
080        if (cmd.isEmpty()) {
081            // nothing to rollback
082            return null;
083        }
084        return cmd;
085    }
086
087    @Override
088    protected Command doRun(Task task, Map<String, String> prefs) throws PackageException {
089        if (!file.exists()) {
090            log.warn("Can't deploy file " + file + ". File is missing.");
091            return null;
092        }
093        ReloadService srv = Framework.getLocalService(ReloadService.class);
094        Command rollback;
095        if (file.isDirectory()) {
096            rollback = deployDirectory(file, srv);
097        } else {
098            rollback = deployFile(file, srv);
099        }
100        if (rollback != null) {
101            // some deployments where done
102            try {
103                srv.runDeploymentPreprocessor();
104            } catch (IOException e) {
105                throw new PackageException(e.getMessage(), e);
106            }
107        }
108        return rollback;
109    }
110
111}