libreccm-legacy/ccm-ldn-navigation/src/com/arsdigita/london/navigation/ApplicationNavigationModel....

99 lines
3.2 KiB
Java
Executable File

/*
* Copyright (C) 2001-2004 Red Hat Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.arsdigita.london.navigation;
import com.arsdigita.london.navigation.cms.CMSNavigationModel;
import com.arsdigita.london.util.TransactionLocal;
import com.arsdigita.categorization.Category;
import com.arsdigita.cms.ContentSection;
import com.arsdigita.kernel.ACSObject;
import com.arsdigita.web.Application;
import com.arsdigita.web.Web;
import java.util.HashMap;
import org.apache.log4j.Logger;
public class ApplicationNavigationModel implements NavigationModel {
private static final Logger s_log =
Logger.getLogger( ApplicationNavigationModel.class );
private static final HashMap s_navModels = new HashMap();
private static final TransactionLocal s_model = new TransactionLocal();
private static final NavigationModel s_defaultModel =
new GenericNavigationModel();
static {
s_log.debug("Static initalizer starting...");
register(ContentSection.BASE_DATA_OBJECT_TYPE, new CMSNavigationModel());
register(Navigation.BASE_DATA_OBJECT_TYPE, new DefaultNavigationModel());
s_log.debug("Static initalizer finished.");
}
public ACSObject getObject() {
return getNavigationModel().getObject();
}
public Category getCategory() {
return getNavigationModel().getCategory();
}
public Category[] getCategoryPath() {
return getNavigationModel().getCategoryPath();
}
public Category getRootCategory() {
return getNavigationModel().getRootCategory();
}
private NavigationModel getNavigationModel() {
NavigationModel model = (NavigationModel)s_model.get();
if (model != null) {
if (s_log.isDebugEnabled()) {
s_log.debug("Using cached model " + model.getClass().getName());
}
return model;
}
Application app = Web.getContext().getApplication();
if (app != null) {
model = (NavigationModel)s_navModels.get(
app.getObjectType().getQualifiedName());
}
if (model == null) {
model = s_defaultModel;
}
if (s_log.isDebugEnabled()) {
s_log.debug("Using model " + model.getClass().getName() +
"for application " + (app == null ? null : app.getOID()));
}
s_model.set(model);
return model;
}
public static void register( String type, NavigationModel model ) {
s_navModels.put(type, model);
}
}