UIExtensionPlugin.java
/*
* Copyright (C) 2003-2009 eXo Platform SAS.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see<http://www.gnu.org/licenses/>.
*/
package org.exoplatform.webui.ext;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.exoplatform.container.component.BaseComponentPlugin;
import org.exoplatform.container.xml.InitParams;
import org.exoplatform.container.xml.ObjectParameter;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
/**
* This class allows you to dynamically define new extensions
* Created by The eXo Platform SAS
* Author : eXoPlatform
* nicolas.filotto@exoplatform.com
* May 04, 2009
*/
public class UIExtensionPlugin extends BaseComponentPlugin {
/**
* Logger.
*/
private static final Log LOG = ExoLogger.getLogger(UIExtensionPlugin.class);
/**
* The initial parameter of this plugin
*/
private final InitParams params;
public UIExtensionPlugin(InitParams params) {
this.params = params;
}
/**
* @return all the extensions associated to this plugin
*/
public List<UIExtension> getExtensions() {
Iterator<?> iterator = params.getObjectParamIterator();
List<UIExtension> extensions = null;
if (iterator != null) {
while (iterator.hasNext()) {
ObjectParameter o = (ObjectParameter) iterator.next();
Object object = o.getObject();
if (object instanceof UIExtension) {
if (extensions == null) {
extensions = new ArrayList<UIExtension>();
}
extensions.add((UIExtension) object);
} else if(object != null) {
LOG.warn("The object " + object + " should be of type UIExtension, it will be ignored");
}
}
}
return extensions;
}
}