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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: MultiTypeInterfaceContainer.java,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package com.sun.star.lib.uno.helper;
import com.sun.star.uno.Type;
import com.sun.star.lang.EventObject;
import java.util.HashMap;
import java.util.Map;
import java.util.Iterator;
public class MultiTypeInterfaceContainer
{
private Map map= new HashMap();
/** Creates a new instance of MultiTypeInterfaceContainer */
public MultiTypeInterfaceContainer()
{
}
/** only returns types which have at least one value in InterfaceContainer
* return value can contain an element null, if someone called
* addInterface (null, interf)
*/
synchronized public Type[] getContainedTypes()
{
int size;
Type[] retVal= null;
if ( (size=map.size()) > 0)
{
Type [] arTypes= new Type[size];
Iterator it= map.keySet().iterator();
int countTypes= 0;
while (it.hasNext())
{
Object key= it.next();
InterfaceContainer cont= (InterfaceContainer) map.get(key);
if (cont != null && cont.size() > 0)
{
if (key == null)
arTypes[countTypes++]= new Type();
else if (key instanceof Type)
arTypes[countTypes++]= (Type) key;
else if (key instanceof Class)
arTypes[countTypes++]= new Type((Class) key);
else
arTypes[countTypes++]= new Type(key.getClass());
}
}
if (countTypes != size)
{
retVal= new Type[countTypes];
System.arraycopy(arTypes, 0, retVal, 0, countTypes);
}
else
retVal= arTypes;
}
if (retVal == null)
retVal= new Type[0];
return retVal;
}
/** param key can be null */
synchronized public InterfaceContainer getContainer(Object key)
{
InterfaceContainer retVal= null;
Iterator it= map.keySet().iterator();
while (it.hasNext())
{
Object obj= it.next();
if (obj == null && key == null)
{
retVal= (InterfaceContainer) map.get(null);
break;
}
else if( obj != null && obj.equals(key))
{
retVal= (InterfaceContainer) map.get(obj);
break;
}
}
return retVal;
}
synchronized public int addInterface(Object ckey, Object iface)
{
//If the key is a Type then it does not matter if the objects are different
// if they represent the same type. This is because Types overrides hashCode and
// equals. For example:
// Type a= new Type(XInterface.class);
// Type b= new Type(XInterface.class);
// Allthough a != b , the map interprets both as being the same.
InterfaceContainer cont= (InterfaceContainer) map.get(ckey);
if (cont != null)
{
cont.add(iface);
}
else
{
cont= new InterfaceContainer();
cont.add(iface);
map.put(ckey, cont);
}
return cont.size();
}
synchronized public int removeInterface(Object key, Object iface)
{
int retVal= 0;
InterfaceContainer cont= (InterfaceContainer) map.get(key);
if (cont != null)
{
cont.remove(iface);
retVal= cont.size();
}
return retVal;
}
public void disposeAndClear(EventObject evt)
{
Iterator it= null;
synchronized(this)
{
it= map.values().iterator();
}
while (it.hasNext() )
((InterfaceContainer) it.next()).disposeAndClear(evt);
}
synchronized public void clear()
{
Iterator it= map.values().iterator();
while (it.hasNext())
((InterfaceContainer) it.next()).clear();
}
}
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