/**
* EasyBeans
* Copyright (C) 2010 Bull S.A.S.
* Contact: easybeans@ow2.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY 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 along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* --------------------------------------------------------------------------
* $Id: Client.java 5369 2010-02-24 14:58:19Z benoitf $
* --------------------------------------------------------------------------
*/
package org.ow2.easybeans.examples.maven.jpa2.client;
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.ow2.easybeans.examples.maven.jpa2.api.BusinessInterface;
import org.ow2.easybeans.examples.maven.jpa2.entity.Employee;
/**
* Simple client of the JPA 2.0 example.
* @author Florent Benoit
*/
public final class Client {
/**
* Use Smart Factory by default.
*/
private static final String DEFAULT_INITIAL_CONTEXT_FACTORY = "org.ow2.easybeans.component.smartclient.spi.SmartContextFactory";
/**
* Utility class.
*/
private Client() {
}
/**
* Main method.
* @param args the arguments (not required)
* @throws Exception if exception is found.
*/
public static void main(final String[] args) throws Exception {
// Lookup the Remote Bean interface through JNDI
Context initialContext = getInitialContext();
BusinessInterface facadeBean = (BusinessInterface) initialContext.lookup("JPA2Bean");
// Init (if not done)
System.out.println("Initializing the database with some employees...");
facadeBean.init();
// Search Florent Employee
System.out.println("Finding data about Florent...");
Employee florent = facadeBean.findEmployeeWithItsGivenName("Florent");
printEmployee(florent);
System.out.println("Listing all employees...");
for (Employee employee : facadeBean.findEmployees()) {
printEmployee(employee);
}
}
protected static void printEmployee(final Employee employee) {
String name = employee.getName();
// Display nickNames
System.out.println("NickNames of '" + name + "' are : " + employee.getNickNames());
// Level rights
System.out.println("Level Rights of '" + name + "' are : " + employee.getLevelRights());
// Addresses
System.out.println("Addresses (in the insert order) of '" + name + "' are : " + employee.getAddresses());
// Addresses
System.out.println("History events of '" + name + "' are : " + employee.getHistoryEvents());
}
/**
* @return Returns the InitialContext.
* @throws NamingException If the Context cannot be created.
*/
private static Context getInitialContext() throws NamingException {
// if user don't use jclient/client container
// we can specify the InitialContextFactory to use
// But this is *not recommended*.
Hashtable<String, Object> env = new Hashtable<String, Object>();
env.put(Context.INITIAL_CONTEXT_FACTORY, getInitialContextFactory());
// Usually a simple new InitialContext() without any parameters is
// sufficent.
// return new InitialContext();
return new InitialContext(env);
}
/**
* Returns a configurable InitialContextFactory classname.<br/>
* Can be configured with the
* <code>easybeans.client.initial-context-factory</code> System property.
* @return Returns a configurable InitialContextFactory classname.
*/
private static String getInitialContextFactory() {
String prop = System.getProperty("easybeans.client.initial-context-factory");
// If not found, use the default
if (prop == null) {
prop = DEFAULT_INITIAL_CONTEXT_FACTORY;
}
return prop;
}
}