/*
* (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public License
* (LGPL) version 2.1 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
*
* 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.
*
* Contributors:
* bstefanescu
*
* $Id$
*/
package org.nuxeo.ecm.webengine.ui.tree.directory;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuxeo.ecm.core.api.ClientException;
import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.core.api.DocumentModelList;
import org.nuxeo.ecm.directory.Directory;
import org.nuxeo.ecm.directory.Session;
import org.nuxeo.ecm.webengine.ui.tree.ContentProvider;
/**
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*
*/
public class DirectoryContentProvider implements ContentProvider {
private static final Log log = LogFactory.getLog(DirectoryContentProvider.class);
private static final long serialVersionUID = 1L;
protected final Session session;
public DirectoryContentProvider(Session session) {
this.session = session;
}
public Session getSession() {
return session;
}
protected void createQuery(DocumentModel parent, Map<String,Serializable> query) {
String id = parent == null ? null : parent.getId();
query.put("parent", id);
}
public Object[] getElements(Object input) {
if (input instanceof Directory) {
return getChildren(null);
} else { // may be a document
return getChildren(input);
}
}
public Object[] getChildren(Object obj) {
try {
if (obj == null || obj instanceof DocumentModel) {
DocumentModel parent = (DocumentModel)obj;
Map<String, Serializable> args = new HashMap<String, Serializable>();
createQuery(parent, args);
DocumentModelList list = session.query(args);
return list.toArray(new DocumentModel[list.size()]);
}
} catch (ClientException e) {
log.error(e, e);
}
return null;
}
public boolean isContainer(Object obj) {
if (obj instanceof DocumentModel) {
return ((DocumentModel)obj).isFolder();
}
return false;
}
public String getName(Object obj) {
if (obj instanceof DocumentModel) {
return ((DocumentModel)obj).getId();
}
return null;
}
public String getLabel(Object obj) {
if (obj instanceof DocumentModel) {
return ((DocumentModel)obj).getName();
}
return null;
}
public String[] getFacets(Object object) {
return null;
}
}