ConnectionFactory.java
上传用户:szyujian
上传日期:2016-09-20
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文件大小:2k
- /*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed 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
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package com.android.im.engine;
- import com.android.im.imps.ImpsConnection;
- import com.android.im.imps.ImpsConnectionConfig;
- /**
- * The factory used to create an instance of ImConnection.
- */
- public class ConnectionFactory {
- private static ConnectionFactory sInstance;
- private ConnectionFactory() {
- }
- /**
- * Gets the singleton instance of the factory.
- *
- * @return the singleton instance.
- */
- public synchronized static ConnectionFactory getInstance() {
- if (sInstance == null) {
- sInstance = new ConnectionFactory();
- }
- return sInstance;
- }
- /**
- * Creates a new ImConnection.
- *
- * @return the new ImConnection.
- * @throws IMException if an error occurs during creating a connection.
- */
- public ImConnection createConnection(ConnectionConfig config) throws ImException {
- if ("IMPS".equals(config.getProtocolName())) {
- return new ImpsConnection((ImpsConnectionConfig) config);
- } else {
- throw new ImException("Unsupported protocol");
- }
- }
- }