StaticMemoryInitialContextFactory.java

/*
 * Copyright (C) The Spice Group. All rights reserved.
 *
 * This software is published under the terms of the Spice
 * Software License version 1.1, a copy of which has been included
 * with this distribution in the LICENSE.txt file.
 */
package org.realityforge.spice.jndikit.memory;

import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.spi.InitialContextFactory;
import org.realityforge.spice.jndikit.DefaultNameParser;
import org.realityforge.spice.jndikit.DefaultNamespace;

/**
 * Initial context factory for memory context. This factory will
 * retrieve the {@link MemoryContext} from a static variable.
 * Thus this factory will always return the same instance of
 * memory context.
 */
public class StaticMemoryInitialContextFactory
  implements InitialContextFactory
{
  private static final MemoryContext MEMORY_CONTEXT = createMemoryContext();

  public Context getInitialContext( final Hashtable environment )
    throws NamingException
  {
    return MEMORY_CONTEXT;
  }

  /**
   * Method to create the inital {@link MemoryContext}.
   *
   * @return the new {@link MemoryContext}.
   */
  private static MemoryContext createMemoryContext()
  {
    final DefaultNamespace namespace = new DefaultNamespace( new DefaultNameParser() );
    return new MemoryContext( namespace, new Hashtable<String, Object>(), null );
  }
}