/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ProxyProvider.java,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005/09/07 18:46:33 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
package com.sun.star.lib.uno.helper;
import com.sun.star.uno.Type;
import com.sun.star.lib.uno.typedesc.TypeDescription;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.lang.XEventListener;
import com.sun.star.uno.IQueryInterface;
//import com.sun.star.lib.uno.environments.java.Proxy;
import com.sun.star.lib.uno.environments.java.java_environment;
//import com.sun.star.lib.uno.environments.java.IRequester;
public class ProxyProvider
{
static java_environment env= new java_environment(null);
/** Creates a new instance of ProxyProvider */
public ProxyProvider()
{
}
/** returns Holder proxy objects for the specified interface. If the method is called
* several times with the same arguments then each time a new HolderProxy is returned.
* Then all HolderProxy s refer to the same Proxy object.
* The proxy can be queried for XEventListener. On the returned proxy disposing can be called
*
*/
public static Object createProxy(Object obj, Class iface)
{
Object retVal= null;
if (obj == null || iface == null || iface.isInstance(obj) == false )
return retVal;
Type type= new Type(TypeDescription.getTypeDescription(iface));
Type evtType= new Type(TypeDescription.getTypeDescription(com.sun.star.lang.XEventListener.class));
// find the object identifier
String sOid= UnoRuntime.generateOid(obj);
retVal= env.getRegisteredInterface(sOid, type);
// if retVal == null then probably not registered
if (retVal == null)
{
Object aProxy = new Proxy(sOid, type);
String[] arOid = new String[]
{sOid};
retVal= env.registerInterface(aProxy, arOid, type);
}
return retVal;
}
}
class Proxy implements IQueryInterface, XEventListener
{
String oid;
Type type;
Proxy(String oid, Type t) {
this.oid = oid;
this.type = t;
}
public String getOid() {
return oid;
}
public boolean isSame(Object object) {
if (object instanceof IQueryInterface)
{
IQueryInterface iquery = (IQueryInterface) object;
if (iquery != null)
{
if (iquery.getOid().equals(oid))
return true;
else
return false;
}
}
String oidObj = UnoRuntime.generateOid(object);
if (oidObj.equals(oid))
return true;
else
return false;
}
public Object queryInterface(Type type) {
return null;
}
public void disposing(com.sun.s