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.impl.model.instance;
23:
24: import org.apache.log4j.Logger;
25: import org.jboss.portal.core.model.instance.InstanceCustomization;
26: import org.jboss.portal.portlet.PortletContext;
27: import org.jboss.portal.portlet.state.AccessMode;
28:
29: /**
30: * @author <a href="mailto:julien@jboss.org">Julien Viet</a>
31: * @version $Revision: 8786 $
32: */
33: public abstract class AbstractInstanceCustomization extends
34: AbstractInstance implements InstanceCustomization {
35:
36: /** The logger. */
37: private static final Logger log = Logger
38: .getLogger(AbstractInstanceCustomization.class);
39:
40: protected abstract boolean isPersistent();
41:
42: protected AccessMode getAccessMode() {
43: return isPersistent() ? AccessMode.READ_WRITE
44: : AccessMode.CLONE_BEFORE_WRITE;
45: }
46:
47: protected final boolean isMutable() {
48: return false;
49: }
50:
51: protected final void setMutable(boolean modifiable) {
52: throw new IllegalStateException("Modifiable field is immutable");
53: }
54:
55: protected final Logger getLogger() {
56: return log;
57: }
58:
59: protected final void cloned(PortletContext portletContext) {
60: // Make it persistent
61: getContainerContext().createInstanceCustomizaton(this );
62:
63: // Update state
64: getContainerContext().updateInstance(this , portletContext);
65: }
66:
67: protected final String getInstanceId() {
68: return getOwner().getInstanceId();
69: }
70:
71: }
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