001/*
002 * (C) Copyright 2012 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 *     Anahide Tchertchian
018 */
019package org.nuxeo.connect.update.task.live.commands;
020
021import java.io.File;
022
023import org.nuxeo.connect.update.task.Command;
024import org.nuxeo.connect.update.task.update.Rollback;
025import org.nuxeo.connect.update.task.update.RollbackOptions;
026import org.nuxeo.connect.update.task.update.Update;
027import org.nuxeo.connect.update.task.update.UpdateManager;
028
029/**
030 * Live version of the update command, that handle hot-reloading of the jar by deploying it to the runtime.
031 *
032 * @since 5.6
033 */
034public class UpdateAndDeploy extends Update {
035
036    // needed for deserialization
037    public UpdateAndDeploy() {
038        super();
039    }
040
041    @Override
042    protected Command getDeployCommand(UpdateManager updateManager, Command rollbackCommand) {
043        // file is the file to be deployed, so it's not in its final place.
044        // But deploy should use the final place => extract info from the
045        // rollback command...
046        if (rollbackCommand instanceof Rollback) {
047            // FIXME: only handle one file right now => deploy the file
048            // with options given by rollback, only when it's not a composite
049            // command
050            Rollback rollback = (Rollback) rollbackCommand;
051            RollbackOptions opt = rollback.getRollbackOptions();
052            File rollbackTarget = updateManager.getRollbackTarget(opt);
053            if (rollbackTarget != null) {
054                return new Deploy(rollbackTarget);
055            } else {
056                return null;
057            }
058        }
059        return new Deploy(file);
060    }
061
062}