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jNab.java
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jNab.java
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import jNab.core.server.MicroServer;
import jNab.ext.configuration.ServerConfigurationServer;
import jNab.ext.persistency.Serializer;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Properties;
/**
* Application running an instance of jNab's micro server.
*
* @author Juha-Pekka Rajaniemi
* @author Ville Antila
* @author Sylvain Gizard
* @author Sebastien Jean
*/
public class jNab
{
/**
* Default value for the port to which the server is bound.
*/
public final static String DEFAULT_SERVER_PORT = "8080";
/**
* Default value for the port to which the configuration server is bound.
*/
public final static String DEFAULT_CONF_PORT = "6969";
/**
* Default path for serialized files.
*/
private final static String DEFAULT_SERIALIZATION_PATH = "files/";
/**
* Default path for resource files.
*/
private final static String DEFAULT_RESOURCE_PATH = "files/";
/**
* Default path for plugins.
*/
private final static String DEFAULT_PLUGIN_PATH = "files/plugins";
/**
* Running an instance of MicroServer. Server properties are set by loading <tt>jNab.conf</tt> configuration file. Loaded properties can
* be overridden by command line arguments. Command-lines arguments can be either :
* <ul>
* <li>-server.ip=<i>value</i></li> for setting/overriding server's binding ip
* <li>-server.port=<i>value</i></li> for setting/overriding server's binding port
* <li>-conf.ip=<i>value</i></li> for setting/overriding configuration server's binding ip
* <li>-conf.port=<i>value</i></li> for setting/overriding configuration server's binding port
* <li>-serializedfiles.root=<i>value</i></li> for setting/overriding serialization root path
* <li>-resources.root=<i>value</i></li> for setting/overriding resources root path
* <li>-plugins.root=<i>value</i></li> for setting/overriding plugins root path
* </ul>
*
* @param args command-line arguments.
*/
public static void main(String[] args)
{
// Setting system properties to default values
System.setProperty("jNab.server.ip", "");
System.setProperty("jNab.server.port", DEFAULT_SERVER_PORT);
System.setProperty("jNab.conf.ip", "");
System.setProperty("jNab.conf.port", DEFAULT_CONF_PORT);
System.setProperty("jNab.serializedfiles.root", DEFAULT_SERIALIZATION_PATH);
System.setProperty("jNab.resources.root", DEFAULT_RESOURCE_PATH);
System.setProperty("jNab.plugins.root", DEFAULT_PLUGIN_PATH);
// Reading property file
Properties properties = new Properties();
try
{
properties.load(new FileInputStream("jNab.conf"));
System.out.println("<jNab> jNab configuration file read");
}
catch (FileNotFoundException e)
{
System.out.println("<jNab> Configuration file not found, setting server properties to default values");
}
catch (IOException e)
{
System.out.println("<jNab> Configuration file is corrupted, ignoring it");
}
// Re-setting system properties with properties loaded from configuration file
String property = null;
property = properties.getProperty("jNab.server.ip");
if (property != null) System.setProperty("jNab.server.ip", property);
property = properties.getProperty("jNab.server.port");
if (property != null) System.setProperty("jNab.server.port", property);
property = properties.getProperty("jNab.conf.ip");
if (property != null) System.setProperty("jNab.conf.ip", property);
property = properties.getProperty("jNab.conf.port");
if (property != null) System.setProperty("jNab.conf.port", property);
property = properties.getProperty("jNab.serializedfiles.root");
if (property != null) System.setProperty("jNab.serializedfiles.root", property);
property = properties.getProperty("jNab.resources.root");
if (property != null) System.setProperty("jNab.resources.root", property);
property = properties.getProperty("jNab.plugins.root");
if (property != null) System.setProperty("jNab.plugins.root", property);
// Re-setting system properties with properties overridden by command-line arguments
for (String parameter : args)
{
if (parameter.startsWith("-server.ip=")) System.setProperty("jNab.server.ip", parameter.substring(parameter.indexOf('=') + 1));
if (parameter.startsWith("-server.port="))
System.setProperty("jNab.server.port", parameter.substring(parameter.indexOf('=') + 1));
if (parameter.startsWith("-conf.ip=")) System.setProperty("jNab.conf.ip", parameter.substring(parameter.indexOf('=') + 1));
if (parameter.startsWith("-conf.port=")) System.setProperty("jNab.conf.port", parameter.substring(parameter.indexOf('=') + 1));
if (parameter.startsWith("-serializedfiles.root="))
System.setProperty("jNab.serializedfiles.root", parameter.substring(parameter.indexOf('=') + 1));
if (parameter.startsWith("-resources.root="))
System.setProperty("jNab.resources.root", parameter.substring(parameter.indexOf('=') + 1));
if (parameter.startsWith("-plugins.root="))
System.setProperty("jNab.plugins.root", parameter.substring(parameter.indexOf('=') + 1));
}
// Binding and starting server
String serverAddress = System.getProperty("jNab.server.ip");
int serverPort = 0;
try
{
serverPort = Integer.parseInt(System.getProperty("jNab.server.port"));
}
catch (NumberFormatException e1)
{
System.err.println("<jNab> Server port has an invalid value, exiting...");
System.exit(-1);
}
File resourcesPath = new File(System.getProperty("jNab.resources.root"));
File pluginsPath = new File(System.getProperty("jNab.plugins.root"));
// Creating (but not starting yet) a micro server instance
MicroServer microServer = new MicroServer(serverAddress, serverPort, resourcesPath, pluginsPath);
// Creating a serialization service instance
Serializer serializer = new Serializer(new File(System.getProperty("jNab.serializedfiles.root")));
System.out.println("<jNab> Serialization service started");
// Unserializing choreographies
System.out.println("<jNab> Reading serialized choreographies");
serializer.loadChoreographies(microServer.getChoregraphyLibrary());
// Unserializing bunnies
System.out.println("<jNab> Reading serialized bunnies");
serializer.loadBunnies(microServer.getBurrow(), microServer.getPluginFactory());
// Starting micro server
microServer.start();
// Enabling all logging features, using stderr and stdout as logging stream
microServer.setDebugLoggingStream(System.out);
microServer.setErrorLoggingStream(System.err);
microServer.setInfoLoggingStream(System.out);
System.out.println("<jNab> Server properties settings:");
System.out.println("<jNab> jNab.server.ip = " + System.getProperty("jNab.server.ip"));
System.out.println("<jNab> jNab.server.port = " + System.getProperty("jNab.server.port"));
System.out.println("<jNab> jNab.conf.ip = " + System.getProperty("jNab.conf.ip"));
System.out.println("<jNab> jNab.conf.port = " + System.getProperty("jNab.conf.port"));
System.out.println("<jNab> jNab.serializedfiles.root = " + System.getProperty("jNab.serializedfiles.root"));
System.out.println("<jNab> jNab.resources.root = " + System.getProperty("jNab.resources.root"));
System.out.println("<jNab> jNab.plugins.root = " + System.getProperty("jNab.plugins.root"));
// Binding and starting a server configuration server
String confAddress = System.getProperty("jNab.conf.ip");
int confPort = 0;
try
{
confPort = Integer.parseInt(System.getProperty("jNab.conf.port"));
}
catch (NumberFormatException e1)
{
System.err.println("<jNab> Configuration port has an invalid value, exiting...");
System.exit(-1);
}
new ServerConfigurationServer(confAddress, confPort, microServer, serializer).start();
}
}