001    /*
002    
003      Copyright (C) 2001 Lionel Seinturier
004    
005      This program is free software; you can redistribute it and/or modify
006      it under the terms of the GNU Lesser General Public License as
007      published by the Free Software Foundation; either version 2 of the
008      License, or (at your option) any later version.
009    
010      This program is distributed in the hope that it will be useful,
011      but WITHOUT ANY WARRANTY; without even the implied warranty of
012      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013      GNU Lesser General Public License for more details.
014    
015      You should have received a copy of the GNU Lesser Generaly Public License
016      along with this program; if not, write to the Free Software
017      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
018    
019    package org.objectweb.jac.core.dist.rmi;
020    
021    import org.objectweb.jac.core.dist.RemoteContainer;
022    import org.objectweb.jac.core.dist.Distd;
023    
024    import java.rmi.Naming;
025    
026    
027    /**
028     * RMINaming wraps the RMI naming registry.
029     * The class method resolve()
030     * is dynamically called by org.objectweb.jac.dist.RemoteContainer.resolve(String)
031     * and statically by RMIRemoteRef.resolve(String).
032     *
033     * @author <a href="http://www-src.lip6.fr/homepages/Lionel.Seinturier/index-eng.html">Lionel Seinturier</a>
034     */
035     
036    public class RMINaming {
037    
038       /**
039        * This method resolves a container from a container name.
040        *
041        * @param contName  the name of the container
042        * @return the container reference, null if not resolved */
043       
044       public static RemoteContainer resolve( String contName ) {
045       
046            RMIRemoteContainerInterf stub = null;
047    
048          contName = Distd.getFullHostName( contName );
049          
050          try { 
051             stub = (RMIRemoteContainerInterf) Naming.lookup(contName); 
052             return new RMIRemoteContainerStub( stub, contName );
053          } catch( Exception e ) { 
054             return null;
055          }
056    
057       }
058    
059    }