TestObjectFactory.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.test;

import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.Reference;
import javax.naming.StringRefAddr;
import javax.naming.spi.ObjectFactory;


/**
 * Implementation of {@link ObjectFactory}, for testing purposes.
 *
 * @see TestDataReferenceable
 */
public class TestObjectFactory
  implements ObjectFactory
{

  /**
   * Creates an object using the location or reference information specified.
   *
   * @param obj         The possibly null object containing location or
   *                    reference information that can be used in creating an
   *                    object.
   * @param name        The name of this object relative to <code>nameCtx</code>,
   *                    or null if no name is specified.
   * @param nameCtx     The context relative to which the <code>name</code>
   *                    parameter is specified, or null if <code>name</code>
   *                    is relative to the default initial context.
   * @param environment The possibly null environment that is used in creating
   *                    the object.
   * @return The object created; null if an object cannot be created.
   * @throws Exception if this object factory encountered an exception while
   *                   attempting to create an object, and no other object
   *                   factories are to be tried.
   */
  public Object getObjectInstance( Object obj, Name name, Context nameCtx,
                                   Hashtable environment )
    throws Exception
  {
    Object result = null;
    if ( obj instanceof Reference )
    {
      Reference ref = (Reference) obj;
      String clazz = ref.getClassName();
      if ( clazz.equals( TestDataReferenceable.class.getName() ) )
      {
        String value = null;
        StringRefAddr str = (StringRefAddr) ref.get( "value" );
        if ( str != null )
        {
          value = (String) str.getContent();
        }
        result = new TestDataReferenceable( value );
      }
      else if ( clazz.equals( ExceptionReferenceable.class.getName() ) )
      {
        throw new Exception( "Encountered " + clazz );
      }
    }
    return result;
  }

}