/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*************************************************************/
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.star.lang.EventObject eventObject) {
}
}
//class Requester //implements IRequester
//{
// int _modus;
// boolean _virtual;
// boolean _forceSynchronous;
// boolean _passed = true;
//
// Object _xEventListenerProxy;
// int nDisposingCalled= 0;
//
// Requester(boolean virtual, boolean forceSynchronous, Object evtListener)
// {
// _virtual = virtual;
// _forceSynchronous = forceSynchronous;
// _xEventListenerProxy= evtListener;
//
// }
//
// public Object sendRequest(Object object,
// Type type,
// String operation,
// Object params[],
// Boolean synchron[],
// Boolean mustReply[]) throws Throwable
// {
//
// Object result = null;
// if (operation.equals("disposing"))
// {
// System.out.println("Disposing called on XEventListener proxy");
// nDisposingCalled++;
// }
// else if (operation.equals("queryInterface"))
// {
// if (params[0] instanceof Type)
// {
// Type t= (Type) params[0];
// if (t.equals( new Type("com.sun.star.lang.XEventListener")))
// result= _xEventListenerProxy;
// }
// }
// return result;
// }
//}