Package org.exoplatform.portal.pom.config.tasks

Source Code of org.exoplatform.portal.pom.config.tasks.PortalConfigTask$Remove

/**
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.exoplatform.portal.pom.config.tasks;

import org.exoplatform.portal.config.NoSuchDataException;
import org.exoplatform.portal.pom.config.POMSession;
import org.exoplatform.portal.pom.config.cache.CacheableDataTask;
import org.exoplatform.portal.pom.config.cache.DataAccessMode;
import org.exoplatform.portal.pom.data.Mapper;
import org.exoplatform.portal.pom.data.PortalData;
import org.exoplatform.portal.pom.data.PortalKey;
import org.gatein.mop.api.workspace.ObjectType;
import org.gatein.mop.api.workspace.Page;
import org.gatein.mop.api.workspace.Site;
import org.gatein.mop.api.workspace.Workspace;

/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public abstract class PortalConfigTask {

    /** . */
    protected final PortalKey key;

    /** . */
    protected final ObjectType<? extends Site> type;

    protected PortalConfigTask(PortalKey key) {
        this.key = key;
        this.type = Mapper.parseSiteType(key.getType());
    }

    public static class Remove extends PortalConfigTask implements CacheableDataTask<PortalKey, Void> {

        public Remove(PortalKey key) {
            super(key);
        }

        public DataAccessMode getAccessMode() {
            return DataAccessMode.DESTROY;
        }

        public Class<Void> getValueType() {
            return Void.class;
        }

        public PortalKey getKey() {
            return key;
        }

        public Void run(POMSession session) {
            Workspace workspace = session.getWorkspace();
            Site site = workspace.getSite(type, key.getId());
            if (site == null) {
                throw new NoSuchDataException("Could not remove non existing portal " + key.getId());
            } else {
                site.destroy();
            }
            return null;
        }

        @Override
        public String toString() {
            return "PortalConfig.Remove[ownerType=" + key.getType() + ",ownerId=" + key.getId() + "]";
        }
    }

    public static class Save extends PortalConfigTask implements CacheableDataTask<PortalKey, Void> {

        /** . */
        private final PortalData config;

        /** . */
        private boolean overwrite;

        public Save(PortalData config, boolean overwrite) {
            super(config.getKey());

            //
            this.config = config;
            this.overwrite = overwrite;
        }

        public DataAccessMode getAccessMode() {
            return overwrite ? DataAccessMode.WRITE : DataAccessMode.CREATE;
        }

        public Class<Void> getValueType() {
            return Void.class;
        }

        public PortalKey getKey() {
            return key;
        }

        public Void run(POMSession session) {
            Workspace workspace = session.getWorkspace();
            Site site = workspace.getSite(type, key.getId());
            if (site != null) {
                if (!overwrite) {
                    throw new IllegalArgumentException("Cannot create portal " + config.getName() + " that already exist");
                }
            } else {
                if (overwrite) {
                    throw new IllegalArgumentException("Cannot update portal " + config.getName() + " that does not exist");
                }

                //
                site = workspace.addSite(type, config.getName());
                Page root = site.getRootPage();
                root.addChild("pages");
                root.addChild("templates");
            }
            new Mapper(session).save(config, site);

            //
            return null;
        }

        @Override
        public String toString() {
            return "PortalConfig.Save[ownerType=" + key.getType() + ",ownerId=" + key.getId() + "]";
        }
    }

    public static class Load extends PortalConfigTask implements CacheableDataTask<PortalKey, PortalData> {

        /** . */
        private PortalData config;

        public Load(PortalKey key) {
            super(key);
        }

        public DataAccessMode getAccessMode() {
            return DataAccessMode.READ;
        }

        public PortalKey getKey() {
            return key;
        }

        public Class<PortalData> getValueType() {
            return PortalData.class;
        }

        public PortalData run(POMSession session) {
            Workspace workspace = session.getWorkspace();
            Site site = workspace.getSite(type, key.getId());
            if (site != null) {
                return new Mapper(session).load(site);
            }

            //
            return null;
        }

        @Override
        public String toString() {
            return "PortalConfig.Load[ownerType=" + key.getType() + ",ownerId=" + key.getId() + "]";
        }
    }
}
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