1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir package com.sun.star.comp.helper; 28*cdf0e10cSrcweir 29*cdf0e10cSrcweir import com.sun.star.uno.UnoRuntime; 30*cdf0e10cSrcweir import com.sun.star.uno.Any; 31*cdf0e10cSrcweir 32*cdf0e10cSrcweir import com.sun.star.uno.XComponentContext; 33*cdf0e10cSrcweir import com.sun.star.lang.XMultiComponentFactory; 34*cdf0e10cSrcweir import com.sun.star.lang.XSingleComponentFactory; 35*cdf0e10cSrcweir import com.sun.star.lang.XComponent; 36*cdf0e10cSrcweir import com.sun.star.lang.XEventListener; 37*cdf0e10cSrcweir import com.sun.star.lang.EventObject; 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir import java.util.Hashtable; 40*cdf0e10cSrcweir import java.util.Enumeration; 41*cdf0e10cSrcweir import java.util.Vector; 42*cdf0e10cSrcweir 43*cdf0e10cSrcweir 44*cdf0e10cSrcweir //================================================================================================== 45*cdf0e10cSrcweir class Disposer implements XEventListener 46*cdf0e10cSrcweir { 47*cdf0e10cSrcweir private XComponent m_xComp; 48*cdf0e10cSrcweir 49*cdf0e10cSrcweir //---------------------------------------------------------------------------------------------- 50*cdf0e10cSrcweir Disposer( XComponent xComp ) 51*cdf0e10cSrcweir { 52*cdf0e10cSrcweir m_xComp = xComp; 53*cdf0e10cSrcweir } 54*cdf0e10cSrcweir //______________________________________________________________________________________________ 55*cdf0e10cSrcweir public void disposing( EventObject Source ) 56*cdf0e10cSrcweir { 57*cdf0e10cSrcweir m_xComp.dispose(); 58*cdf0e10cSrcweir } 59*cdf0e10cSrcweir } 60*cdf0e10cSrcweir 61*cdf0e10cSrcweir /** Component context implementation. 62*cdf0e10cSrcweir */ 63*cdf0e10cSrcweir public class ComponentContext implements XComponentContext, XComponent 64*cdf0e10cSrcweir { 65*cdf0e10cSrcweir private static final boolean DEBUG = false; 66*cdf0e10cSrcweir private static final String SMGR_NAME = "/singletons/com.sun.star.lang.theServiceManager"; 67*cdf0e10cSrcweir private static final String TDMGR_NAME = "/singletons/com.sun.star.reflection.theTypeDescriptionManager"; 68*cdf0e10cSrcweir 69*cdf0e10cSrcweir private Hashtable m_table; 70*cdf0e10cSrcweir private XComponentContext m_xDelegate; 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir private XMultiComponentFactory m_xSMgr; 73*cdf0e10cSrcweir private boolean m_bDisposeSMgr; 74*cdf0e10cSrcweir 75*cdf0e10cSrcweir private Vector m_eventListener; 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir /** Ctor to create a component context passing a hashtable for values and a delegator 78*cdf0e10cSrcweir reference. Entries of the passed hashtable are either direct values or 79*cdf0e10cSrcweir ComponentContextEntry objects. 80*cdf0e10cSrcweir 81*cdf0e10cSrcweir @param table 82*cdf0e10cSrcweir entries 83*cdf0e10cSrcweir @param xDelegate 84*cdf0e10cSrcweir if values are not found, request is delegated to this object 85*cdf0e10cSrcweir */ 86*cdf0e10cSrcweir public ComponentContext( Hashtable table, XComponentContext xDelegate ) 87*cdf0e10cSrcweir { 88*cdf0e10cSrcweir m_eventListener = new Vector(); 89*cdf0e10cSrcweir m_table = table; 90*cdf0e10cSrcweir m_xDelegate = xDelegate; 91*cdf0e10cSrcweir m_xSMgr = null; 92*cdf0e10cSrcweir m_bDisposeSMgr = false; 93*cdf0e10cSrcweir 94*cdf0e10cSrcweir Object o = table.get( SMGR_NAME ); 95*cdf0e10cSrcweir if (o != null) 96*cdf0e10cSrcweir { 97*cdf0e10cSrcweir if (o instanceof ComponentContextEntry) 98*cdf0e10cSrcweir { 99*cdf0e10cSrcweir o = ((ComponentContextEntry)o).m_value; 100*cdf0e10cSrcweir } 101*cdf0e10cSrcweir m_xSMgr = UnoRuntime.queryInterface( 102*cdf0e10cSrcweir XMultiComponentFactory.class, o ); 103*cdf0e10cSrcweir } 104*cdf0e10cSrcweir if (m_xSMgr != null) 105*cdf0e10cSrcweir { 106*cdf0e10cSrcweir m_bDisposeSMgr = true; 107*cdf0e10cSrcweir } 108*cdf0e10cSrcweir else if (m_xDelegate != null) 109*cdf0e10cSrcweir { 110*cdf0e10cSrcweir m_xSMgr = m_xDelegate.getServiceManager(); 111*cdf0e10cSrcweir } 112*cdf0e10cSrcweir 113*cdf0e10cSrcweir // listen for delegate 114*cdf0e10cSrcweir XComponent xComp = UnoRuntime.queryInterface( 115*cdf0e10cSrcweir XComponent.class, m_xDelegate ); 116*cdf0e10cSrcweir if (xComp != null) 117*cdf0e10cSrcweir { 118*cdf0e10cSrcweir xComp.addEventListener( new Disposer( this ) ); 119*cdf0e10cSrcweir } 120*cdf0e10cSrcweir } 121*cdf0e10cSrcweir 122*cdf0e10cSrcweir // XComponentContext impl 123*cdf0e10cSrcweir //______________________________________________________________________________________________ 124*cdf0e10cSrcweir public Object getValueByName( String rName ) 125*cdf0e10cSrcweir { 126*cdf0e10cSrcweir Object o = m_table.get( rName ); 127*cdf0e10cSrcweir if (o != null) 128*cdf0e10cSrcweir { 129*cdf0e10cSrcweir if (o instanceof ComponentContextEntry) 130*cdf0e10cSrcweir { 131*cdf0e10cSrcweir ComponentContextEntry entry = (ComponentContextEntry)o; 132*cdf0e10cSrcweir if (entry.m_lateInit != null) 133*cdf0e10cSrcweir { 134*cdf0e10cSrcweir Object xInstance = null; 135*cdf0e10cSrcweir 136*cdf0e10cSrcweir try 137*cdf0e10cSrcweir { 138*cdf0e10cSrcweir String serviceName = (String)entry.m_lateInit; 139*cdf0e10cSrcweir if (serviceName != null) 140*cdf0e10cSrcweir { 141*cdf0e10cSrcweir if (m_xSMgr != null) 142*cdf0e10cSrcweir { 143*cdf0e10cSrcweir xInstance = m_xSMgr.createInstanceWithContext( serviceName, this ); 144*cdf0e10cSrcweir } 145*cdf0e10cSrcweir else 146*cdf0e10cSrcweir { 147*cdf0e10cSrcweir if (DEBUG) 148*cdf0e10cSrcweir System.err.println( "### no service manager instance for late init of singleton instance \"" + rName + "\"!" ); 149*cdf0e10cSrcweir } 150*cdf0e10cSrcweir } 151*cdf0e10cSrcweir else 152*cdf0e10cSrcweir { 153*cdf0e10cSrcweir XSingleComponentFactory xCompFac = 154*cdf0e10cSrcweir UnoRuntime.queryInterface( 155*cdf0e10cSrcweir XSingleComponentFactory.class, entry.m_lateInit ); 156*cdf0e10cSrcweir if (xCompFac != null) 157*cdf0e10cSrcweir { 158*cdf0e10cSrcweir xInstance = xCompFac.createInstanceWithContext( this ); 159*cdf0e10cSrcweir } 160*cdf0e10cSrcweir else 161*cdf0e10cSrcweir { 162*cdf0e10cSrcweir if (DEBUG) 163*cdf0e10cSrcweir System.err.println( "### neither service name nor service factory given for late init of singleton instance \"" + rName + "\"!" ); 164*cdf0e10cSrcweir } 165*cdf0e10cSrcweir } 166*cdf0e10cSrcweir } 167*cdf0e10cSrcweir catch (com.sun.star.uno.Exception exc) 168*cdf0e10cSrcweir { 169*cdf0e10cSrcweir if (DEBUG) 170*cdf0e10cSrcweir System.err.println( "### exception occured on late init of singleton instance \"" + rName + "\": " + exc.getMessage() ); 171*cdf0e10cSrcweir } 172*cdf0e10cSrcweir 173*cdf0e10cSrcweir if (xInstance != null) 174*cdf0e10cSrcweir { 175*cdf0e10cSrcweir synchronized (entry) 176*cdf0e10cSrcweir { 177*cdf0e10cSrcweir if (entry.m_lateInit != null) 178*cdf0e10cSrcweir { 179*cdf0e10cSrcweir entry.m_value = xInstance; 180*cdf0e10cSrcweir entry.m_lateInit = null; 181*cdf0e10cSrcweir } 182*cdf0e10cSrcweir else // inited in the meantime 183*cdf0e10cSrcweir { 184*cdf0e10cSrcweir // dispose fresh service instance 185*cdf0e10cSrcweir XComponent xComp = UnoRuntime.queryInterface( 186*cdf0e10cSrcweir XComponent.class, xInstance ); 187*cdf0e10cSrcweir if (xComp != null) 188*cdf0e10cSrcweir { 189*cdf0e10cSrcweir xComp.dispose(); 190*cdf0e10cSrcweir } 191*cdf0e10cSrcweir } 192*cdf0e10cSrcweir } 193*cdf0e10cSrcweir } 194*cdf0e10cSrcweir else 195*cdf0e10cSrcweir { 196*cdf0e10cSrcweir if (DEBUG) 197*cdf0e10cSrcweir System.err.println( "### failed late init of singleton instance \"" + rName + "\"!" ); 198*cdf0e10cSrcweir } 199*cdf0e10cSrcweir } 200*cdf0e10cSrcweir return entry.m_value; 201*cdf0e10cSrcweir } 202*cdf0e10cSrcweir else // direct value in map 203*cdf0e10cSrcweir { 204*cdf0e10cSrcweir return o; 205*cdf0e10cSrcweir } 206*cdf0e10cSrcweir } 207*cdf0e10cSrcweir else if (m_xDelegate != null) 208*cdf0e10cSrcweir { 209*cdf0e10cSrcweir return m_xDelegate.getValueByName( rName ); 210*cdf0e10cSrcweir } 211*cdf0e10cSrcweir else 212*cdf0e10cSrcweir { 213*cdf0e10cSrcweir return Any.VOID; 214*cdf0e10cSrcweir } 215*cdf0e10cSrcweir } 216*cdf0e10cSrcweir //______________________________________________________________________________________________ 217*cdf0e10cSrcweir public XMultiComponentFactory getServiceManager() 218*cdf0e10cSrcweir { 219*cdf0e10cSrcweir return m_xSMgr; 220*cdf0e10cSrcweir } 221*cdf0e10cSrcweir 222*cdf0e10cSrcweir // XComponent impl 223*cdf0e10cSrcweir //______________________________________________________________________________________________ 224*cdf0e10cSrcweir public void dispose() 225*cdf0e10cSrcweir { 226*cdf0e10cSrcweir if (DEBUG) 227*cdf0e10cSrcweir System.err.print( "> disposing context " + this ); 228*cdf0e10cSrcweir 229*cdf0e10cSrcweir // fire events 230*cdf0e10cSrcweir EventObject evt = new EventObject( this ); 231*cdf0e10cSrcweir Enumeration eventListener = m_eventListener.elements(); 232*cdf0e10cSrcweir while (eventListener.hasMoreElements()) 233*cdf0e10cSrcweir { 234*cdf0e10cSrcweir XEventListener listener = (XEventListener)eventListener.nextElement(); 235*cdf0e10cSrcweir listener.disposing( evt ); 236*cdf0e10cSrcweir } 237*cdf0e10cSrcweir m_eventListener.removeAllElements(); 238*cdf0e10cSrcweir 239*cdf0e10cSrcweir XComponent tdmgr = null; 240*cdf0e10cSrcweir // dispose values, then service manager, then typdescription manager 241*cdf0e10cSrcweir Enumeration keys = m_table.keys(); 242*cdf0e10cSrcweir while (keys.hasMoreElements()) 243*cdf0e10cSrcweir { 244*cdf0e10cSrcweir String name = (String)keys.nextElement(); 245*cdf0e10cSrcweir if (! name.equals( SMGR_NAME )) 246*cdf0e10cSrcweir { 247*cdf0e10cSrcweir Object o = m_table.get( name ); 248*cdf0e10cSrcweir if (o instanceof ComponentContextEntry) 249*cdf0e10cSrcweir { 250*cdf0e10cSrcweir o = ((ComponentContextEntry)o).m_value; 251*cdf0e10cSrcweir } 252*cdf0e10cSrcweir 253*cdf0e10cSrcweir XComponent xComp = UnoRuntime.queryInterface( XComponent.class, o ); 254*cdf0e10cSrcweir if (xComp != null) 255*cdf0e10cSrcweir { 256*cdf0e10cSrcweir if (name.equals( TDMGR_NAME )) 257*cdf0e10cSrcweir { 258*cdf0e10cSrcweir tdmgr = xComp; 259*cdf0e10cSrcweir } 260*cdf0e10cSrcweir else 261*cdf0e10cSrcweir { 262*cdf0e10cSrcweir xComp.dispose(); 263*cdf0e10cSrcweir } 264*cdf0e10cSrcweir } 265*cdf0e10cSrcweir } 266*cdf0e10cSrcweir } 267*cdf0e10cSrcweir m_table.clear(); 268*cdf0e10cSrcweir 269*cdf0e10cSrcweir // smgr 270*cdf0e10cSrcweir if (m_bDisposeSMgr) 271*cdf0e10cSrcweir { 272*cdf0e10cSrcweir XComponent xComp = UnoRuntime.queryInterface( 273*cdf0e10cSrcweir XComponent.class, m_xSMgr ); 274*cdf0e10cSrcweir if (xComp != null) 275*cdf0e10cSrcweir { 276*cdf0e10cSrcweir xComp.dispose(); 277*cdf0e10cSrcweir } 278*cdf0e10cSrcweir } 279*cdf0e10cSrcweir m_xSMgr = null; 280*cdf0e10cSrcweir 281*cdf0e10cSrcweir // tdmgr 282*cdf0e10cSrcweir if (tdmgr != null) 283*cdf0e10cSrcweir { 284*cdf0e10cSrcweir tdmgr.dispose(); 285*cdf0e10cSrcweir } 286*cdf0e10cSrcweir 287*cdf0e10cSrcweir if (DEBUG) 288*cdf0e10cSrcweir System.err.println( "... finished" ); 289*cdf0e10cSrcweir } 290*cdf0e10cSrcweir //______________________________________________________________________________________________ 291*cdf0e10cSrcweir public void addEventListener( XEventListener xListener ) 292*cdf0e10cSrcweir { 293*cdf0e10cSrcweir if (xListener == null) 294*cdf0e10cSrcweir throw new com.sun.star.uno.RuntimeException( "Listener must not be null" ); 295*cdf0e10cSrcweir if (m_eventListener.contains( xListener )) 296*cdf0e10cSrcweir throw new com.sun.star.uno.RuntimeException( "Listener already registred." ); 297*cdf0e10cSrcweir 298*cdf0e10cSrcweir m_eventListener.addElement( xListener ); 299*cdf0e10cSrcweir } 300*cdf0e10cSrcweir //______________________________________________________________________________________________ 301*cdf0e10cSrcweir public void removeEventListener( XEventListener xListener ) 302*cdf0e10cSrcweir { 303*cdf0e10cSrcweir if (xListener == null) 304*cdf0e10cSrcweir throw new com.sun.star.uno.RuntimeException( "Listener must not be null" ); 305*cdf0e10cSrcweir if (! m_eventListener.contains( xListener )) 306*cdf0e10cSrcweir throw new com.sun.star.uno.RuntimeException( "Listener is not registered." ); 307*cdf0e10cSrcweir 308*cdf0e10cSrcweir m_eventListener.removeElement( xListener ); 309*cdf0e10cSrcweir } 310*cdf0e10cSrcweir } 311