01: /******************************************************************************
02: * JBoss, a division of Red Hat *
03: * Copyright 2006, Red Hat Middleware, LLC, and individual *
04: * contributors as indicated by the @authors tag. See the *
05: * copyright.txt in the distribution for a full listing of *
06: * individual contributors. *
07: * *
08: * This is free software; you can redistribute it and/or modify it *
09: * under the terms of the GNU Lesser General Public License as *
10: * published by the Free Software Foundation; either version 2.1 of *
11: * the License, or (at your option) any later version. *
12: * *
13: * This software is distributed in the hope that it will be useful, *
14: * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
16: * Lesser General Public License for more details. *
17: * *
18: * You should have received a copy of the GNU Lesser General Public *
19: * License along with this software; if not, write to the Free *
20: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
21: * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
22: ******************************************************************************/package org.jboss.portal.core.aspects.portlet;
23:
24: import org.jboss.portal.common.invocation.InvocationException;
25: import org.jboss.portal.core.portlet.info.AjaxInfo;
26: import org.jboss.portal.core.portlet.info.CorePortletInfo;
27: import org.jboss.portal.portlet.container.PortletContainer;
28: import org.jboss.portal.portlet.container.PortletContainerInvoker;
29: import org.jboss.portal.portlet.invocation.PortletInterceptor;
30: import org.jboss.portal.portlet.invocation.PortletInvocation;
31: import org.jboss.portal.portlet.invocation.response.FragmentResponse;
32: import org.jboss.portal.portlet.invocation.response.PortletInvocationResponse;
33:
34: /**
35: * Look at the portlet ajax meta data.
36: * <p/>
37: * Improve later when we will have the structure to build real portlet runtime meta information.
38: *
39: * @author <a href="mailto:julien@jboss.org">Julien Viet</a>
40: * @version $Revision: 8786 $
41: */
42: public class AjaxInterceptor extends PortletInterceptor {
43:
44: /** . */
45: public static final String PARTIAL_REFRESH = "partialRefresh";
46:
47: protected Object invoke(PortletInvocation invocation)
48: throws Exception, InvocationException {
49: PortletInvocationResponse response = (PortletInvocationResponse) invocation
50: .invokeNext();
51:
52: //
53: if (response instanceof FragmentResponse) {
54: PortletContainer container = (PortletContainer) invocation
55: .getAttribute(PortletInvocation.INVOCATION_SCOPE,
56: PortletContainerInvoker.PORTLET_CONTAINER);
57: CorePortletInfo info = (CorePortletInfo) container
58: .getInfo();
59: if (info != null) {
60: AjaxInfo ajax = info.getAjax();
61: if (ajax != null) {
62: invocation
63: .setAttribute(
64: PortletInvocation.RESPONSE_PROPERTIES_SCOPE,
65: PARTIAL_REFRESH,
66: Boolean.valueOf(ajax
67: .getPartialRefresh()));
68: }
69: }
70: }
71:
72: //
73: return response;
74: }
75: }
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