package org.argeo.slc.web.mvc.event;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.argeo.slc.msg.event.SlcEvent;
import org.argeo.slc.msg.event.SlcEventListenerDescriptor;
import org.argeo.slc.msg.event.SlcEventListenerRegister;
import org.argeo.slc.web.mvc.AbstractServiceController;
import org.springframework.web.servlet.ModelAndView;

public class RemoveEventListenerController extends AbstractServiceController {
	private final static Log log = LogFactory
			.getLog(RemoveEventListenerController.class);

	private SlcEventListenerRegister eventListenerRegister;

	@Override
	protected void handleServiceRequest(HttpServletRequest request,
			HttpServletResponse response, ModelAndView modelAndView)
			throws Exception {
		String eventType = request.getParameter(SlcEvent.EVENT_TYPE);
		String eventFilter = request.getParameter(SlcEvent.EVENT_FILTER);

		eventListenerRegister
				.removeEventListenerDescriptor(new SlcEventListenerDescriptor(
						eventType, eventFilter));
		if (log.isTraceEnabled())
			log.trace("Removed listener from register "
					+ eventListenerRegister.getId() + " for type " + eventType
					+ ", filter=" + eventFilter);
	}

	public void setEventListenerRegister(
			SlcEventListenerRegister eventListenerRegister) {
		this.eventListenerRegister = eventListenerRegister;
	}

}