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

61 lines
1.9 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.categorization.Category;
import com.arsdigita.kernel.ACSObject;
import com.arsdigita.web.Application;
import com.arsdigita.web.Web;
import com.arsdigita.util.Assert;
/**
* The generic navigation model just returns the
* root category for an application, or, if none
* is set returns the default root category.
*/
public class GenericNavigationModel extends AbstractNavigationModel {
protected ACSObject loadObject() {
return null;
}
protected Category loadCategory() {
Category[] cats = getCategoryPath();
return cats[cats.length-1];
}
protected Category[] loadCategoryPath() {
return new Category[]{ getRootCategory() };
}
protected Category loadRootCategory() {
Application app = Web.getContext().getApplication();
Category cat = null;
if (app != null) {
cat = Category.getRootForObject( app );
}
if (cat == null) {
cat = Navigation.getConfig().getDefaultCategoryRoot();
}
Assert.exists(cat, Category.class);
return cat;
}
}