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+/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * 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 .
+ */
+
+package com.sun.star.comp.connections;
+
+import com.sun.star.connection.ConnectionSetupException;
+import com.sun.star.lang.XMultiServiceFactory;
+import com.sun.star.uno.UnoRuntime;
+
+/**
+ * Helper class for <code>Acceptor</code> and <code>Connector</code>.
+ */
+final class Implementation {
+ /**
+ * Instantiate a service for a given connection type.
+ *
+ * @param factory the service factory used to instantiate the requested
+ * service.
+ * @param description has the following format:
+ * <code><var>type</var></code><!--
+ * -->*(<code><var>key</var>=<var>value</var></code>).
+ * The specific service implementation is instantiated through the
+ * service factory as
+ * <code>com.sun.star.connection.<var>type</var>service<var></var><!--
+ * --></code>
+ * (with <code><var>type</var></code> in lower case, and
+ * <code><var>service</var></code> either <code>Acceptor</code> or
+ * <code>Connector</code>).
+ * @param serviceClass the IDL interface type for which to query the
+ * requested service.
+ * @param serviceType must be either <code>Acceptor</code> or
+ * <code>Connector</code>.
+ * @return an instance of the requested service. Never returns
+ * <code>null</code>.
+ * @throws ConnectionSetupException if the requested service can not be
+ * found, or cannot be instantiated.
+ */
+ public static Object getConnectionService(XMultiServiceFactory factory,
+ String description,
+ Class<?> serviceClass,
+ String serviceType)
+ throws ConnectionSetupException
+ {
+ int i = description.indexOf(',');
+ String type
+ = (i < 0 ? description : description.substring(0, i)).toLowerCase();
+ Object service = null;
+ try {
+ service = UnoRuntime.queryInterface(
+ serviceClass,
+ factory.createInstance("com.sun.star.connection." + type
+ + serviceType));
+ } catch (RuntimeException e) {
+ throw e;
+ } catch (com.sun.star.uno.Exception e) {
+ }
+ if (service == null) {
+ // As a fallback, also try to instantiate the service from the
+ // com.sun.star.lib.connections package structure:
+ try {
+ service
+ = Class.forName("com.sun.star.lib.connections." + type
+ + "." + type + serviceType).newInstance();
+ } catch (ClassNotFoundException e) {
+ } catch (IllegalAccessException e) {
+ } catch (InstantiationException e) {
+ }
+ }
+ if (service == null) {
+ throw new ConnectionSetupException("no " + serviceType + " for "
+ + type);
+ }
+ return service;
+ }
+
+ private Implementation() {} // do not instantiate
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */