appssharebaseservice.java

java 写的一个新闻发布系统

//
//                                   ____.
//                       __/\ ______|    |__/\.     _______
//            __   .____|    |       \   |    +----+       \
//    _______|  /--|    |    |    -   \  _    |    :    -   \_________
//   \\______: :---|    :    :           |    :    |         \________>
//           |__\---\_____________:______:    :____|____:_____\
//                                      /_____|
//
//                 . . . i n   j a h i a   w e   t r u s t . . .
//
//
//  AppsShareBaseService
//
//  NK      31.04.2001
// 
package org.jahia.services.shares;

import java.util.*;

import org.jahia.services.JahiaService;
import org.jahia.services.sites.*;
import org.jahia.data.applications.*;
import org.jahia.services.applications.*;
import org.jahia.settings.JahiaPrivateSettings;
import org.jahia.exceptions.JahiaException;
import org.jahia.exceptions.JahiaInitializationException;
import org.jahia.utils.*;

import org.jahia.data.JahiaDOMObject;

/**
 * Application Share Service
 *
 * @author Khue ng
 */
public class AppsShareBaseService extends AppsShareService
{

    private static AppsShareBaseService m_Instance = null;

    //--------------------------------------------------------------------------
    protected AppsShareBaseService() throws JahiaException {
        JahiaConsole.println( "AppsShareBaseService",
                                "***** Starting the Apps Share Service *****" );

        setServiceName ("AppsShareBaseService");
    }


    //--------------------------------------------------------------------------
    public static synchronized AppsShareBaseService getInstance() throws JahiaException {

        if ( m_Instance == null ){
            m_Instance = new AppsShareBaseService();
        }
        return m_Instance;
    }

    //--------------------------------------------------------------------------
	/**
	 * return an enumeration of sites' key having access to a gived app
	 *
	 * @param ApplicationBean, the app
	 * @return Enumeration, an enumeration of sites' keys
	 */
	public Enumeration getSites( ApplicationBean app ) throws JahiaException{
	
		Vector vec = new Vector();
		if ( app == null ){
			return vec.elements();
		}
		return AppsSharePersistance.getInstance().dbGetSites(app.getID());
	}


    //--------------------------------------------------------------------------
	/**
	 * add a share between a site and an application
	 *
	 * @param JahiaSite, the site
	 * @param ApplicationBean, the app
	 */
	public void addShare( JahiaSite site, ApplicationBean app ) throws JahiaException{
		
		AppsSharePersistance.getInstance().dbAddShare(app.getID(),site.getID());
	
	}


    //--------------------------------------------------------------------------
	/**
	 * remove a share between a site and an application
	 *
	 * @param JahiaSite, the site
	 * @param ApplicationBean, the app
	 */
	public void removeShare( JahiaSite site, ApplicationBean app ) throws JahiaException{
	
		AppsSharePersistance.getInstance().dbRemoveShare(app.getID(),site.getID());

	}


    //--------------------------------------------------------------------------
	/**
	 * remove all share referencing a site
	 *
	 * @param JahiaSite, the site
	 */
	public void removeShares( JahiaSite site ) throws JahiaException{
	
		AppsSharePersistance.getInstance().dbSiteRemoveShares(site.getID());

	}


    //--------------------------------------------------------------------------
	/**
	 * remove all share referencing an app
	 *
	 * @param ApplicationBean, the app
	 */
	public void removeShares( ApplicationBean app ) throws JahiaException{

		AppsSharePersistance.getInstance().dbAppRemoveShares(app.getID());

	}


    //--------------------------------------------------------------------------
	/**
	 * Return a share between a site and an application
	 *
	 * @param JahiaSite, the site
	 * @param ApplicationBean, the app
	 */
	public AppShare getShare( JahiaSite site, ApplicationBean app ) throws JahiaException{
		
		return AppsSharePersistance.getInstance().dbGetShare(app.getID(),site.getID());
	
	}


    //--------------------------------------------------------------------------
	/**
	 * return a DOM document of application shares content
	 *
	 * @param int the site id
	 *
	 * @return JahiaDOMObject a DOM representation of this object
	 *
	 * @author NK
	 */
	public JahiaDOMObject getApplicationSharesAsDOM( int siteID )
	throws JahiaException{
		return AppsSharePersistance.getInstance().getApplicationSharesAsDOM(siteID);	
	}



}