/*
 * Copyright (C) 2005-2007 Alfresco Software Limited.
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 * As a special exception to the terms and conditions of version 2.0 of 
 * the GPL, you may redistribute this Program in connection with Free/Libre 
 * and Open Source Software ("FLOSS") applications as described in Alfresco's 
 * FLOSS exception.  You should have recieved a copy of the text describing 
 * the FLOSS exception, and it is also available here: 
 * http://www.alfresco.com/legal/licensing
 */
package org.alfresco.repo.site;

import org.alfresco.repo.domain.PropertyValue;
import org.alfresco.repo.security.authentication.AuthenticationUtil;
import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
import org.alfresco.service.cmr.avm.AVMService;
import org.alfresco.service.cmr.dictionary.DataTypeDefinition;
import org.alfresco.service.cmr.repository.StoreRef;
import org.alfresco.service.cmr.security.PermissionService;
import org.alfresco.service.namespace.QName;
import org.alfresco.util.AbstractLifecycleBean;
import org.springframework.context.ApplicationEvent;

/**
 * This component is responsible for bootstraping the special Site AVM store.
 * 
 * @author Kevin Roast
 */
public class SiteAVMBootstrap extends AbstractLifecycleBean
{
    /** AVM store name to create */
    private String storeName;
    
    /** Root directory name to create */
    private String rootDir;
    
    /** The AVM Service to use */
    private AVMService avmService;
    
    /** The Permission Service to use */
    private PermissionService permissionService;
    
    
    /**
     * @param rootDir the rootDir to set
     */
    public void setRootdir(String rootdir)
    {
        this.rootDir = rootdir;
    }

    /**
     * @param storeName the storeName to set
     */
    public void setStorename(String storename)
    {
        this.storeName = storename;
    }
    
    /**
     * @param avmService the AVMService avmService to set
     */
    public void setAvmService(AVMService avmService)
    {
        this.avmService = avmService;
    }

    /**
     * @param permissionService the PermissionService to set
     */
    public void setPermissionService(PermissionService permissionService)
    {
        this.permissionService = permissionService;
    }

    /* (non-Javadoc)
     * @see org.alfresco.util.AbstractLifecycleBean#onBootstrap(org.springframework.context.ApplicationEvent)
     */
    @Override
    protected void onBootstrap(ApplicationEvent event)
    {
        // run as System on bootstrap
        AuthenticationUtil.runAs(new RunAsWork<Object>()
        {
            public Object doWork()
            {            
                bootstrap();
                return null;
            }                               
        }, AuthenticationUtil.getSystemUserName());
    }

    /**
     * Bootstrap the AVM store
     */
    public void bootstrap()
    {
        // ensure properties have been set
        assert(avmService != null);
        assert(permissionService != null);
        assert(storeName != null && storeName.length() != 0);
        assert(rootDir != null && rootDir.length() != 0);
        
        if (this.avmService.getStore(storeName) == null)
        {
            // create the site store
            this.avmService.createStore(storeName);
            
            // apply the special marker property - so we know this is a "sitestore"
            // this will then be found by the FTP/CIFS virtual filesystem and expose the store
            this.avmService.setStoreProperty(storeName, QName.createQName(null, ".sitestore"),
                    new PropertyValue(DataTypeDefinition.TEXT, "true"));
            
            // create the root directory
            this.avmService.createDirectory(storeName + ":/", rootDir);
            
            // set default permissions on the new store
            StoreRef store = new StoreRef(StoreRef.PROTOCOL_AVM, storeName);
            this.permissionService.setPermission(store, PermissionService.ALL_AUTHORITIES, PermissionService.READ, true);
            this.permissionService.setPermission(store, PermissionService.GUEST_AUTHORITY, PermissionService.READ, true);
        }
    }

    /* (non-Javadoc)
     * @see org.alfresco.util.AbstractLifecycleBean#onShutdown(org.springframework.context.ApplicationEvent)
     */
    @Override
    protected void onShutdown(ApplicationEvent event)
    {
        // nothing to do
    }
}