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 28*cdf0e10cSrcweir package com.sun.star.comp.connections; 29*cdf0e10cSrcweir 30*cdf0e10cSrcweir import com.sun.star.connection.ConnectionSetupException; 31*cdf0e10cSrcweir import com.sun.star.lang.XMultiServiceFactory; 32*cdf0e10cSrcweir import com.sun.star.uno.UnoRuntime; 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir /** 35*cdf0e10cSrcweir * Helper class for <code>Acceptor</code> and <code>Connector</code>. 36*cdf0e10cSrcweir */ 37*cdf0e10cSrcweir final class Implementation { 38*cdf0e10cSrcweir /** 39*cdf0e10cSrcweir * Instantiate a service for a given connection type. 40*cdf0e10cSrcweir * 41*cdf0e10cSrcweir * @param factory the service factory used to instantiate the requested 42*cdf0e10cSrcweir * service. 43*cdf0e10cSrcweir * @param description has the following format: 44*cdf0e10cSrcweir * <code><var>type</var></code><!-- 45*cdf0e10cSrcweir * -->*(<code><var>key</var>=<var>value</var></code>). 46*cdf0e10cSrcweir * The specific service implementation is instantiated through the 47*cdf0e10cSrcweir * service factory as 48*cdf0e10cSrcweir * <code>com.sun.star.connection.<var>type</var>service<var></var><!-- 49*cdf0e10cSrcweir * --></code> 50*cdf0e10cSrcweir * (with <code><var>type</var></code> in lower case, and 51*cdf0e10cSrcweir * <code><var>service</var></code> either <code>Acceptor</code> or 52*cdf0e10cSrcweir * <code>Connector</code>).</p> 53*cdf0e10cSrcweir * @param serviceClass the IDL interface type for which to query the 54*cdf0e10cSrcweir * requested service. 55*cdf0e10cSrcweir * @param serviceType must be either <code>Acceptor</code> or 56*cdf0e10cSrcweir * <code>Connector</code>. 57*cdf0e10cSrcweir * @return an instance of the requested service. Never returns 58*cdf0e10cSrcweir * <code>null</code>. 59*cdf0e10cSrcweir * @throws ConnectionSetupException if the requested service can not be 60*cdf0e10cSrcweir * found, or cannot be instantiated. 61*cdf0e10cSrcweir */ 62*cdf0e10cSrcweir public static Object getConnectionService(XMultiServiceFactory factory, 63*cdf0e10cSrcweir String description, 64*cdf0e10cSrcweir Class serviceClass, 65*cdf0e10cSrcweir String serviceType) 66*cdf0e10cSrcweir throws ConnectionSetupException 67*cdf0e10cSrcweir { 68*cdf0e10cSrcweir int i = description.indexOf(','); 69*cdf0e10cSrcweir String type 70*cdf0e10cSrcweir = (i < 0 ? description : description.substring(0, i)).toLowerCase(); 71*cdf0e10cSrcweir Object service = null; 72*cdf0e10cSrcweir try { 73*cdf0e10cSrcweir service = UnoRuntime.queryInterface( 74*cdf0e10cSrcweir serviceClass, 75*cdf0e10cSrcweir factory.createInstance("com.sun.star.connection." + type 76*cdf0e10cSrcweir + serviceType)); 77*cdf0e10cSrcweir } catch (RuntimeException e) { 78*cdf0e10cSrcweir throw e; 79*cdf0e10cSrcweir } catch (com.sun.star.uno.Exception e) { 80*cdf0e10cSrcweir } 81*cdf0e10cSrcweir if (service == null) { 82*cdf0e10cSrcweir // As a fallback, also try to instantiate the service from the 83*cdf0e10cSrcweir // com.sun.star.lib.connections package structure: 84*cdf0e10cSrcweir try { 85*cdf0e10cSrcweir service 86*cdf0e10cSrcweir = Class.forName("com.sun.star.lib.connections." + type 87*cdf0e10cSrcweir + "." + type + serviceType).newInstance(); 88*cdf0e10cSrcweir } catch (ClassNotFoundException e) { 89*cdf0e10cSrcweir } catch (IllegalAccessException e) { 90*cdf0e10cSrcweir } catch (InstantiationException e) { 91*cdf0e10cSrcweir } 92*cdf0e10cSrcweir } 93*cdf0e10cSrcweir if (service == null) { 94*cdf0e10cSrcweir throw new ConnectionSetupException("no " + serviceType + " for " 95*cdf0e10cSrcweir + type); 96*cdf0e10cSrcweir } 97*cdf0e10cSrcweir return service; 98*cdf0e10cSrcweir } 99*cdf0e10cSrcweir 100*cdf0e10cSrcweir private Implementation() {} // do not instantiate 101*cdf0e10cSrcweir } 102