TransportFactory.java
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上传日期:2020-12-14
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- /*
- * JBoss, Home of Professional Open Source
- * Copyright 2008, Red Hat, Inc., and others contributors as indicated
- * by the @authors tag. All rights reserved.
- * See the copyright.txt in the distribution for a
- * full listing of individual contributors.
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU Lesser General Public License, v. 2.1.
- * This program is distributed in the hope that it will be useful, but WITHOUT A
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
- * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
- * You should have received a copy of the GNU Lesser General Public License,
- * v.2.1 along with this distribution; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- */
- package org.jboss.blacktie.jatmibroker.core.transport;
- import java.util.Properties;
- import org.apache.log4j.LogManager;
- import org.apache.log4j.Logger;
- import org.jboss.blacktie.jatmibroker.core.conf.ConfigurationException;
- import org.jboss.blacktie.jatmibroker.xatmi.ConnectionException;
- public abstract class TransportFactory {
- private static final Logger log = LogManager
- .getLogger(TransportFactory.class);
- public static TransportFactory loadTransportFactory(String serviceName,
- Properties properties) throws ConfigurationException,
- ConnectionException {
- log.debug("Loading transport for: " + serviceName);
- String transportLibrary;
- if (serviceName.indexOf("_ADMIN_") > 0) {
- transportLibrary = "hybrid";
- } else {
- transportLibrary = (String) properties.getProperty("blacktie."
- + serviceName + ".transportLib", "hybrid");
- }
- log.debug("Transport library was: " + transportLibrary);
- // Determine the transport class to load
- String className = null;
- if (transportLibrary.contains("hybrid")) {
- className = org.jboss.blacktie.jatmibroker.core.transport.hybrid.TransportFactoryImpl.class
- .getName();
- }
- if (className == null) {
- throw new ConfigurationException("TransportLibrary was not defined");
- }
- log.debug("Transport class was: " + className);
- try {
- Class clazz = Class.forName(className);
- TransportFactory newInstance = (TransportFactory) clazz
- .newInstance();
- newInstance.setProperties(properties);
- log.debug("TransportFactory was prepared");
- return newInstance;
- } catch (Throwable t) {
- throw new ConnectionException(-1,
- "Could not load the connection factory", t);
- }
- }
- protected abstract void setProperties(Properties properties)
- throws ConfigurationException;
- public abstract Transport createTransport() throws ConnectionException;
- }