package org.exoplatform.portal.pc.aspects;
import javax.portlet.PortletRequest;
import org.gatein.pc.api.PortletInvokerException;
import org.gatein.pc.api.invocation.ActionInvocation;
import org.gatein.pc.api.invocation.EventInvocation;
import org.gatein.pc.api.invocation.PortletInvocation;
import org.gatein.pc.api.invocation.RenderInvocation;
import org.gatein.pc.api.invocation.ResourceInvocation;
import org.gatein.pc.api.invocation.response.PortletInvocationResponse;
import org.gatein.pc.api.spi.WindowContext;
import org.gatein.pc.portlet.PortletInvokerInterceptor;
/**
* This interceptor exposes the current phase (i.e. ACTION_PHASE, RENDER_PHASE, etc) and the current window id for the
* portlet request/invocation.
*
* @author <a href="http://community.jboss.org/people/kenfinni">Ken Finnigan</a>
* @author <a href="mailto:nscavell@redhat.com">Nick Scavelli</a>
*/
public class PortletLifecyclePhaseInterceptor extends PortletInvokerInterceptor {
private static final ThreadLocal<PortletInvocation> INVOCATION_THREAD_LOCAL = new ThreadLocal<PortletInvocation>();
@Override
public PortletInvocationResponse invoke(PortletInvocation invocation) throws IllegalArgumentException, PortletInvokerException {
try {
INVOCATION_THREAD_LOCAL.set(invocation);
return super.invoke(invocation);
} finally {
INVOCATION_THREAD_LOCAL.remove();
}
}
public static String currentPhase() {
PortletInvocation invocation = getCurrentInvocation();
if (invocation == null) return null;
if (invocation instanceof ActionInvocation) {
return PortletRequest.ACTION_PHASE;
} else if (invocation instanceof EventInvocation) {
return PortletRequest.EVENT_PHASE;
} else if (invocation instanceof RenderInvocation) {
return PortletRequest.RENDER_PHASE;
} else if (invocation instanceof ResourceInvocation) {
return PortletRequest.RESOURCE_PHASE;
} else {
return null;
}
}
public static String currentWindowId() {
PortletInvocation invocation = getCurrentInvocation();
if (invocation == null) return null;
WindowContext wc = invocation.getWindowContext();
if (wc == null) return null;
return wc.getId();
}
private static PortletInvocation getCurrentInvocation() {
return INVOCATION_THREAD_LOCAL.get();
}
}