/* Copyright 2004 Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jetspeed.portlets.security.groups;
import java.io.IOException;
import java.security.Principal;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.PortletException;
import javax.portlet.PortletMode;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import org.apache.jetspeed.CommonPortletServices;
import org.apache.jetspeed.portlets.security.SecurityResources;
import org.apache.jetspeed.security.Group;
import org.apache.jetspeed.security.GroupManager;
import org.apache.jetspeed.security.SecurityException;
import org.apache.portals.gems.browser.BrowserIterator;
import org.apache.portals.gems.browser.DatabaseBrowserIterator;
import org.apache.portals.gems.browser.BrowserPortlet;
import org.apache.portals.gems.util.StatusMessage;
import org.apache.portals.messaging.PortletMessaging;
import org.apache.velocity.context.Context;
/**
* Group Browser - flat non-hierarchical view
*
* @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
* @version $Id: GroupBrowser.java,v 1.7 2005/04/26 23:31:00 taylor Exp $
*/
public class GroupBrowser extends BrowserPortlet
{
private GroupManager groupManager;
public void init(PortletConfig config)
throws PortletException
{
super.init(config);
groupManager = (GroupManager)
getPortletContext().getAttribute(CommonPortletServices.CPS_GROUP_MANAGER_COMPONENT);
if (null == groupManager)
{
throw new PortletException("Failed to find the Group Manager on portlet initialization");
}
}
public void getRows(RenderRequest request, String sql, int windowSize)
throws Exception
{
getRows(request, sql, windowSize, "");
}
public void getRows(RenderRequest request, String sql, int windowSize, String filter)
throws Exception
{
List resultSetTitleList = new ArrayList();
List resultSetTypeList = new ArrayList();
try
{
Iterator groups = groupManager.getGroups(filter);
resultSetTypeList.add(String.valueOf(Types.VARCHAR));
resultSetTitleList.add("Group");
List list = new ArrayList();
while (groups.hasNext())
{
Group group = (Group)groups.next();
Principal principal = group.getPrincipal();
list.add(principal.getName());
}
BrowserIterator iterator = new DatabaseBrowserIterator(
list, resultSetTitleList, resultSetTypeList,
windowSize);
setBrowserIterator(request, iterator);
iterator.sort("Group");
}
catch (Exception e)
{
//log.error("Exception in CMSBrowserAction.getRows: ", e);
e.printStackTrace();
throw e;
}
}
public void doView(RenderRequest request, RenderResponse response)
throws PortletException, IOException
{
String selected = (String)PortletMessaging.receive(request, SecurityResources.TOPIC_GROUPS, SecurityResources.MESSAGE_SELECTED);
if (selected != null)
{
Context context = this.getContext(request);
context.put("selected", selected);
}
StatusMessage msg = (StatusMessage)PortletMessaging.consume(request, SecurityResources.TOPIC_GROUPS, SecurityResources.MESSAGE_STATUS);
if (msg != null)
{
this.getContext(request).put("statusMsg", msg);
}
String filtered = (String)PortletMessaging.receive(request, SecurityResources.TOPIC_GROUPS, SecurityResources.MESSAGE_FILTERED);
if (filtered != null)
{
this.getContext(request).put(FILTERED, "on");
}
String refresh = (String)PortletMessaging.consume(request, SecurityResources.TOPIC_GROUPS, SecurityResources.MESSAGE_REFRESH);
if (refresh != null)
{
this.clearBrowserIterator(request);
}
super.doView(request, response);
}
public void processAction(ActionRequest request, ActionResponse response)
throws PortletException, IOException
{
if (request.getPortletMode() == PortletMode.VIEW)
{
String selected = request.getParameter("group");
if (selected != null)
{
Group group = lookupGroup(selected);
if (group != null)
{
PortletMessaging.publish(request, SecurityResources.TOPIC_GROUPS, SecurityResources.MESSAGE_SELECTED, selected);
PortletMessaging.publish(request, SecurityResources.TOPIC_GROUPS, SecurityResources.MESSAGE_CHANGED, selected);
}
}
}
String filtered = (String)request.getParameter(FILTERED);
if (filtered != null)
{
PortletMessaging.publish(request, SecurityResources.TOPIC_GROUPS, SecurityResources.MESSAGE_FILTERED, "on");
}
else
{
PortletMessaging.cancel(request, SecurityResources.TOPIC_GROUPS, SecurityResources.MESSAGE_FILTERED);
}
super.processAction(request, response);
}
private Group lookupGroup(String groupName)
{
try
{
return groupManager.getGroup(groupName);
}
catch (SecurityException e)
{
return null;
}
}
}