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.model.instance.command;
23:
24: import org.jboss.portal.core.controller.ControllerCommand;
25: import org.jboss.portal.core.controller.NoSuchResourceException;
26: import org.jboss.portal.core.model.instance.Instance;
27: import org.jboss.portal.core.model.instance.InstanceContainer;
28: import org.jboss.portal.portlet.StateString;
29:
30: /**
31: * @author <a href="mailto:julien@jboss.org">Julien Viet</a>
32: * @version $Revision: 8786 $
33: */
34: public abstract class PortletInstanceCommand extends ControllerCommand {
35:
36: /** The instance id. */
37: protected String instanceId;
38:
39: /** The navigational state. */
40: protected StateString navigationalState;
41:
42: /** The instance displayed. */
43: protected Instance instance;
44:
45: protected PortletInstanceCommand(String instanceId,
46: StateString navigationalState) {
47: if (instanceId == null) {
48: throw new IllegalArgumentException();
49: }
50:
51: //
52: this .instanceId = instanceId;
53: this .navigationalState = navigationalState;
54:
55: }
56:
57: public String getInstanceId() {
58: return instanceId;
59: }
60:
61: public void acquireResources() throws NoSuchResourceException {
62: InstanceContainer container = context.getController()
63: .getInstanceContainer();
64:
65: //
66: instance = container.getDefinition(instanceId);
67:
68: //
69: if (instance == null) {
70: throw new NoSuchResourceException(
71: "Configurator portlet instance " + instanceId
72: + " not found");
73: }
74: }
75:
76: public StateString getNavigationalState() {
77: return navigationalState;
78: }
79: }
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