/***************************************************************************
* Copyright (C) 2010 by Fabrizio Montesi <famontesi@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library 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 Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
* For details about the authors of this software, see the AUTHORS file. *
***************************************************************************/
package jolie.net.soap;
import java.util.HashMap;
import java.util.Map;
import javax.wsdl.Definition;
import javax.wsdl.WSDLException;
import javax.wsdl.factory.WSDLFactory;
import javax.wsdl.xml.WSDLReader;
/**
* Implements a WSDL document cache for the SOAP protocol.
*
* @author Fabrizio Montesi
* TODO: WSDL document removal after some time
*/
public class WSDLCache
{
private static WSDLCache instance = null;
private final Map< String, Definition > cache;
private final WSDLFactory factory;
private WSDLCache()
throws WSDLException
{
cache = new HashMap< String, Definition >();
factory = WSDLFactory.newInstance();
}
public static synchronized WSDLCache getInstance()
throws WSDLException
{
if ( instance == null ) {
instance = new WSDLCache();
}
return instance;
}
public synchronized Definition get( String url )
throws WSDLException
{
Definition definition = cache.get( url );
if ( definition == null ) {
WSDLReader reader = factory.newWSDLReader();
definition = reader.readWSDL( url );
cache.put( url, definition );
}
return definition;
}
}