1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski package com.sun.star.comp.connections; 25*b1cdbd2cSJim Jagielski 26*b1cdbd2cSJim Jagielski import com.sun.star.connection.ConnectionSetupException; 27*b1cdbd2cSJim Jagielski import com.sun.star.lang.XMultiServiceFactory; 28*b1cdbd2cSJim Jagielski import com.sun.star.uno.UnoRuntime; 29*b1cdbd2cSJim Jagielski 30*b1cdbd2cSJim Jagielski /** 31*b1cdbd2cSJim Jagielski * Helper class for <code>Acceptor</code> and <code>Connector</code>. 32*b1cdbd2cSJim Jagielski */ 33*b1cdbd2cSJim Jagielski final class Implementation { 34*b1cdbd2cSJim Jagielski /** 35*b1cdbd2cSJim Jagielski * Instantiate a service for a given connection type. 36*b1cdbd2cSJim Jagielski * 37*b1cdbd2cSJim Jagielski * @param factory the service factory used to instantiate the requested 38*b1cdbd2cSJim Jagielski * service. 39*b1cdbd2cSJim Jagielski * @param description has the following format: 40*b1cdbd2cSJim Jagielski * <code><var>type</var></code><!-- 41*b1cdbd2cSJim Jagielski * -->*(<code><var>key</var>=<var>value</var></code>). 42*b1cdbd2cSJim Jagielski * The specific service implementation is instantiated through the 43*b1cdbd2cSJim Jagielski * service factory as 44*b1cdbd2cSJim Jagielski * <code>com.sun.star.connection.<var>type</var>service<var></var><!-- 45*b1cdbd2cSJim Jagielski * --></code> 46*b1cdbd2cSJim Jagielski * (with <code><var>type</var></code> in lower case, and 47*b1cdbd2cSJim Jagielski * <code><var>service</var></code> either <code>Acceptor</code> or 48*b1cdbd2cSJim Jagielski * <code>Connector</code>).</p> 49*b1cdbd2cSJim Jagielski * @param serviceClass the IDL interface type for which to query the 50*b1cdbd2cSJim Jagielski * requested service. 51*b1cdbd2cSJim Jagielski * @param serviceType must be either <code>Acceptor</code> or 52*b1cdbd2cSJim Jagielski * <code>Connector</code>. 53*b1cdbd2cSJim Jagielski * @return an instance of the requested service. Never returns 54*b1cdbd2cSJim Jagielski * <code>null</code>. 55*b1cdbd2cSJim Jagielski * @throws ConnectionSetupException if the requested service can not be 56*b1cdbd2cSJim Jagielski * found, or cannot be instantiated. 57*b1cdbd2cSJim Jagielski */ getConnectionService(XMultiServiceFactory factory, String description, Class serviceClass, String serviceType)58*b1cdbd2cSJim Jagielski public static Object getConnectionService(XMultiServiceFactory factory, 59*b1cdbd2cSJim Jagielski String description, 60*b1cdbd2cSJim Jagielski Class serviceClass, 61*b1cdbd2cSJim Jagielski String serviceType) 62*b1cdbd2cSJim Jagielski throws ConnectionSetupException 63*b1cdbd2cSJim Jagielski { 64*b1cdbd2cSJim Jagielski int i = description.indexOf(','); 65*b1cdbd2cSJim Jagielski String type 66*b1cdbd2cSJim Jagielski = (i < 0 ? description : description.substring(0, i)).toLowerCase(); 67*b1cdbd2cSJim Jagielski Object service = null; 68*b1cdbd2cSJim Jagielski try { 69*b1cdbd2cSJim Jagielski service = UnoRuntime.queryInterface( 70*b1cdbd2cSJim Jagielski serviceClass, 71*b1cdbd2cSJim Jagielski factory.createInstance("com.sun.star.connection." + type 72*b1cdbd2cSJim Jagielski + serviceType)); 73*b1cdbd2cSJim Jagielski } catch (RuntimeException e) { 74*b1cdbd2cSJim Jagielski throw e; 75*b1cdbd2cSJim Jagielski } catch (com.sun.star.uno.Exception e) { 76*b1cdbd2cSJim Jagielski } 77*b1cdbd2cSJim Jagielski if (service == null) { 78*b1cdbd2cSJim Jagielski // As a fallback, also try to instantiate the service from the 79*b1cdbd2cSJim Jagielski // com.sun.star.lib.connections package structure: 80*b1cdbd2cSJim Jagielski try { 81*b1cdbd2cSJim Jagielski service 82*b1cdbd2cSJim Jagielski = Class.forName("com.sun.star.lib.connections." + type 83*b1cdbd2cSJim Jagielski + "." + type + serviceType).newInstance(); 84*b1cdbd2cSJim Jagielski } catch (ClassNotFoundException e) { 85*b1cdbd2cSJim Jagielski } catch (IllegalAccessException e) { 86*b1cdbd2cSJim Jagielski } catch (InstantiationException e) { 87*b1cdbd2cSJim Jagielski } 88*b1cdbd2cSJim Jagielski } 89*b1cdbd2cSJim Jagielski if (service == null) { 90*b1cdbd2cSJim Jagielski throw new ConnectionSetupException("no " + serviceType + " for " 91*b1cdbd2cSJim Jagielski + type); 92*b1cdbd2cSJim Jagielski } 93*b1cdbd2cSJim Jagielski return service; 94*b1cdbd2cSJim Jagielski } 95*b1cdbd2cSJim Jagielski Implementation()96*b1cdbd2cSJim Jagielski private Implementation() {} // do not instantiate 97*b1cdbd2cSJim Jagielski } 98