/**********************************************************************************
 * $URL: https://source.sakaiproject.org/svn/sam/trunk/samigo-services/src/java/org/sakaiproject/tool/assessment/integration/context/spring/FactoryUtil.java $
 * $Id: FactoryUtil.java 106463 2012-04-02 12:20:09Z david.horwitz@uct.ac.za $
 ***********************************************************************************
 *
 * Copyright (c) 2004, 2005, 2006, 2008 The Sakai Foundation
 *
 * Licensed under the Educational Community License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.opensource.org/licenses/ECL-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 **********************************************************************************/


package org.sakaiproject.tool.assessment.integration.context.spring;

import java.io.File;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

import org.sakaiproject.tool.assessment.integration.context.IntegrationContextFactory;
import org.sakaiproject.spring.SpringBeanLocator;

/**
 * Encapsulates the Spring lookup for this factory.
 * @author Ed smiley
 */
public class FactoryUtil
{
  private static Log log = LogFactory.getLog(FactoryUtil.class);
  private static boolean useLocator = false;
//  private static boolean useLocator = true;

  private static final String FS = File.separator;
  private static final String CONFIGURATION =
    "org" + FS + "sakaiproject" + FS + "spring" + FS + "integrationContext.xml";

  public static IntegrationContextFactory lookup() throws Exception
  {
    // the instance is provided by Spring-injection
    if (useLocator)
    {

    SpringBeanLocator locator = SpringBeanLocator.getInstance();
    return
      (IntegrationContextFactory) locator.getBean("integrationContextFactory");
    }
    else // unit testing
    {
      Resource res = new ClassPathResource(CONFIGURATION);
      BeanFactory factory = new XmlBeanFactory(res);
      return
        (IntegrationContextFactory) factory.getBean("integrationContextFactory");
    }

  }
  public static boolean getUseLocator()
  {
    return useLocator;
  }

  public static void setUseLocator(boolean use)
  {
    useLocator = use;
  }

}