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package com.sun.enterprise.ee.synchronization;
import com.sun.enterprise.ee.admin.servermgmt.DASPropertyReader;
import com.sun.enterprise.ee.admin.servermgmt.InstanceConfig;
import com.sun.enterprise.ee.synchronization.http.HttpSynchronizationDriver;
import java.io.IOException;
/**
* The synchronization driver factory.
*
* @author Nazrul Islam
*/
public class SynchronizationDriverFactory {
/**
* Returns a synchronization driver to synchronize node agents or
* remote server instance. If HTTP synchronization url is null, it
* returns JMX based synchronization driver implementation.
*
* @param root server instance root
* @param xml meta file name that describes the synchronization requests
* @param url http synchronization url or null
*
* @return synchronization driver
*
* @throws IOException if an i/o error while reading DAS properties
*/
public static SynchronizationDriver getSynchronizationDriver(
String root, String xml, String url) throws IOException {
SynchronizationDriver driver = null;
DASPropertyReader dpr = new DASPropertyReader(new InstanceConfig());
dpr.read();
if (url != null) {
String transport= System.getProperty(SYNCHRONIZATION_TRANSPORT_KEY);
if (JMX_TRANSPORT.equalsIgnoreCase(transport)) {
driver = new JmxSynchronizationDriver(root, xml, dpr);
} else {
driver = new HttpSynchronizationDriver(root, xml, dpr, url);
}
} else {
driver = new JmxSynchronizationDriver(root, xml, dpr);
}
return driver;
}
// ---- INSTANCE VARIABLES -------------------------------------
public static final String SYNCHRONIZATION_TRANSPORT_KEY =
"com.sun.appserv.synchronization.transport";
public static final String HTTP_TRANSPORT = "http";
public static final String JMX_TRANSPORT = "jmx";
public static final String INSTANCE_CONFIG_URL =
"synchronization-meta-data.xml";
public static final String NODE_AGENT_CONFIG_URL =
"na-synchronization-meta-data.xml";
public static final String NODE_AGENT_STARTUP_CONFIG_URL =
"na-startup-meta-data.xml";
}