/* 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.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 1.2 2005/03/27 23:33:17 ate Exp $
*/
public class GroupBrowser extends BrowserPortlet
{
private GroupManager groupManager;
public void init(PortletConfig config)
throws PortletException
{
super.init(config);
groupManager = (GroupManager)
getPortletContext().getAttribute(SecurityResources.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
{
List resultSetTitleList = new ArrayList();
List resultSetTypeList = new ArrayList();
try
{
Iterator groups = groupManager.getGroups("");
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, "group", "selected");
if (selected != null)
{
Context context = this.getContext(request);
context.put("selected", selected);
}
StatusMessage msg = (StatusMessage)PortletMessaging.consume(request, "GroupBrowser", "status");
if (msg != null)
{
this.getContext(request).put("statusMsg", msg);
}
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, "group", "selected", selected);
PortletMessaging.publish(request, "group", "change", selected);
}
}
String refresh = request.getParameter("group.refresh");
String save = request.getParameter("group.save");
String neue = request.getParameter("group.new");
String delete = request.getParameter("groupDelete");
if (refresh != null)
{
this.clearBrowserIterator(request);
}
else if (neue != null)
{
PortletMessaging.cancel(request, "group", "selected");
}
else if (delete != null && (!(isEmpty(delete))))
{
try
{
Group group = lookupGroup(delete);
if (group != null)
{
groupManager.removeGroup(delete);
this.clearBrowserIterator(request);
PortletMessaging.cancel(request, "group", "selected");
PortletMessaging.publish(request, SecurityResources.USER_BROWSER, "groups", "refresh");
}
}
catch (Exception e)
{
publishStatusMessage(request, "GroupBrowser", "status", e, "Could not remove group");
}
}
else if (save != null)
{
String groupName = request.getParameter("group.name");
if (!(isEmpty(groupName)))
{
try
{
Group group = null;
String old = (String)PortletMessaging.receive(request, "group", "selected");
if (old != null)
{
group = lookupGroup(old);
}
else
{
group = lookupGroup(groupName);
}
if (group != null)
{
if (old != null && !old.equals(groupName))
{
groupManager.removeGroup(old);
groupManager.addGroup(groupName);
this.clearBrowserIterator(request);
PortletMessaging.publish(request, "group", "selected", groupName);
}
}
else
{
groupManager.addGroup(groupName);
this.clearBrowserIterator(request);
}
PortletMessaging.publish(request, SecurityResources.USER_BROWSER, "groups", "refresh");
}
catch (Exception e)
{
publishStatusMessage(request, "GroupBrowser", "status", e, "Could not store group");
}
}
}
}
super.processAction(request, response);
}
private Group lookupGroup(String groupName)
{
try
{
return groupManager.getGroup(groupName);
}
catch (SecurityException e)
{
return null;
}
}
private boolean isEmpty(String s)
{
if (s == null) return true;
if (s.trim().equals("")) return true;
return false;
}
}