01: /*
02: * (C) Copyright 2004 Nabh Information Systems, Inc.
03: *
04: * All copyright notices regarding Nabh's products MUST remain
05: * intact in the scripts and in the outputted HTML.
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public License
08: * as published by the Free Software Foundation; either version 2.1
09: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19: *
20: */
21: package com.nabhinc.portlet.mvcportlet.core;
22:
23: import java.io.IOException;
24:
25: import javax.portlet.ActionRequest;
26: import javax.portlet.ActionResponse;
27: import javax.portlet.PortletException;
28:
29: import com.nabhinc.core.NamedObject;
30:
31: /**
32: * Defines methods that all processors must implement.
33: *
34: * @author Padmanabh Dabke
35: * © 2004 Nabh Information Systems, Inc. All Rights Reserved.
36: */
37:
38: public interface RequestProcessor extends Initable, NamedObject {
39:
40: /**
41: * Called when a user clicks on a cancel button.
42: * @param req The ActionRequest object
43: * @param resp The ActionResponse object
44: * @return String indicates cancelation.
45: * @throws PortletException
46: * @throws IOException
47: */
48: String cancel(ActionRequest req, ActionResponse resp)
49: throws PortletException, IOException;
50:
51: /**
52: * Indicates the end of the life-cycle.
53: */
54: void destroy();
55: }
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