DeleteEntityLink.java

/*
 * Jabox Open Source Version
 * Copyright (C) 2009-2010 Dimitris Kapanidis                                                                                                                          
 * 
 * This file is part of Jabox
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package org.jabox.webapp.menubuttons;

import org.apache.wicket.Page;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.persistence.provider.ContainerXstreamDao;
import org.apache.wicket.persistence.provider.ProjectXstreamDao;
import org.apache.wicket.persistence.provider.ServerXstreamDao;
import org.apache.wicket.persistence.provider.UserXstreamDao;
import org.apache.wicket.request.resource.ResourceReference;
import org.apache.wicket.request.resource.SharedResourceReference;
import org.jabox.apis.IBaseEntity;
import org.jabox.model.Container;
import org.jabox.model.Project;
import org.jabox.model.Server;
import org.jabox.model.User;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class DeleteEntityLink<T extends IBaseEntity> extends Link<Void> {
    private static final Logger LOGGER = LoggerFactory
        .getLogger(DeleteEntityLink.class);

    private static final ResourceReference DELETE_IMG =
        new SharedResourceReference(DeleteEntityLink.class,
            "edit-delete.png");

    private static final long serialVersionUID = 1L;

    private final T _item;

    private Class<? extends Page> _responsePage;

    public DeleteEntityLink(final String id, final T item,
            final Class<? extends Page> responsePage) {
        super(id);
        _item = item;
        _responsePage = responsePage;
    }

    public DeleteEntityLink(final String id, final ListItem<T> item,
            final Class<? extends Page> responsePage) {
        this(id, item.getModelObject(), responsePage);
    }

    /**
     * Delete from persistent storage, commit transaction.
     */
    @Override
    public void onClick() {
        LOGGER.info("Deleting entity");
        if (User.class.isInstance(_item)) {
            UserXstreamDao.deleteUser((User) _item);
            getSession().success(
                "User \"" + ((User) _item).getLogin() + "\" deleted.");
        } else if (Container.class.isInstance(_item)) {
            ContainerXstreamDao.deleteContainer((Container) _item);
            getSession().success(
                "Container \"" + ((Container) _item).getName()
                    + "\" deleted.");
        } else if (Server.class.isInstance(_item)) {
            if (ServerXstreamDao.deleteServer((Server) _item)) {;
                getSession().success(
                        "Server \"" + ((Server) _item).getName() + "\" deleted.");
            } else {
                getSession().error("Server \"" + ((Server) _item).getName() + "\" could not be deleted.");
            }
        } else if (Project.class.isInstance(_item)) {
            ProjectXstreamDao.deleteProject((Project) _item);
            getSession()
                .success(
                    "Project \"" + ((Project) _item).getName()
                        + "\" deleted.");
        }
        setResponsePage(_responsePage);
    }
}