/*
    * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
    * the spring framework, http://el4j.sf.net
    * Copyright (C) 2005 by ELCA Informatique SA, Av. de la Harpe 22-24,
    * 1000 Lausanne, Switzerland, http://www.elca.ch
    *
    * EL4J is published under the GNU Lesser General Public License (LGPL)
    * Version 2.1. See http://www.gnu.org/licenses/
    *
   * This program 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.
   *
   * For alternative licensing, please contact info@elca.ch
   */
  
  package ch.elca.el4j.services.remoting.protocol;
  
  import org.springframework.beans.MutablePropertyValues;
  import org.springframework.context.support.StaticApplicationContext;
  import org.springframework.remoting.httpinvoker.HttpInvokerProxyFactoryBean;
  import org.springframework.remoting.httpinvoker.HttpInvokerServiceExporter;
  
  import ch.elca.el4j.services.remoting.AbstractRemotingBase;
  import ch.elca.el4j.services.remoting.RemotingProxyFactoryBean;
  import ch.elca.el4j.services.remoting.RemotingServiceExporter;
  
  /**
   * This class implements all needed things for the httpinvoker protocol.
   *
   * @svnLink $Revision: 3875 $;$Date: 2009-08-04 14:35:53 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/remoting_core/src/main/java/ch/elca/el4j/services/remoting/protocol/HttpInvoker.java $
   *
   * @author Rashid Waraich (RWA)
   */
  public class HttpInvoker  extends AbstractInetSocketAddressWebProtocol {
  
  	/**
  	 * {@inheritDoc}
  	 */
  	public Object createProxyBean(RemotingProxyFactoryBean proxyBean,
  			Class serviceInterfaceWithContext) {
  		StaticApplicationContext appContext = new StaticApplicationContext(
  				m_parentApplicationContext);
  		registerChildApplicationContext(appContext);
  		MutablePropertyValues props = new MutablePropertyValues();
  		props.addPropertyValue("serviceInterface", serviceInterfaceWithContext);
  		props.addPropertyValue("serviceUrl", generateUrl(proxyBean));
  		appContext.registerSingleton("httpInvokerProxyBeanGen",
  			getProxyObjectType(), props);
  		appContext.refresh();
  		return appContext.getBean("httpInvokerProxyBeanGen");
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	public Object createExporterBean(RemotingServiceExporter exporterBean,
  			Class serviceInterfaceWithContext, Object serviceProxy) {
  		StaticApplicationContext appContext = new StaticApplicationContext(
  				m_parentApplicationContext);
  		registerChildApplicationContext(appContext);
  		MutablePropertyValues props = new MutablePropertyValues();
  		props.addPropertyValue("service", serviceProxy);
  		props.addPropertyValue("serviceInterface", serviceInterfaceWithContext);
  		appContext.registerSingleton("httpInvokerExporterBeanGen",
  				getExporterObjectType(), props);
  		appContext.refresh();
  		return appContext.getBean("httpInvokerExporterBeanGen");
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	public Class getProxyObjectType() {
  		return HttpInvokerProxyFactoryBean.class;
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	public Class getExporterObjectType() {
  		return HttpInvokerServiceExporter.class;
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	public String generateUrl(AbstractRemotingBase remoteBase) {
  		StringBuffer sb = new StringBuffer();
  		sb.append("http://");
  		sb.append(getServiceHost());
  		sb.append(":");
  		sb.append(getServicePort());
  		sb.append("/");
  		sb.append(getContextPath());
  		sb.append("/");
  		sb.append(remoteBase.getServiceName());
  		return sb.toString();
 	}
 }