/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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;
import java.io.NotSerializableException;
import java.security.Principal;
import java.util.ArrayList;
import java.util.Iterator;
import javax.portlet.PortletRequest;
import javax.portlet.RenderRequest;
import javax.security.auth.Subject;
import javax.servlet.http.HttpServletRequest;
import org.apache.jetspeed.PortalReservedParameters;
import org.apache.jetspeed.request.RequestContext;
import org.apache.portals.gems.browser.BrowserPortlet;
import org.apache.portals.messaging.PortletMessaging;
/**
* Abstract Security Browser - factored out common functionality for security browsers
*
* @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
* @version $Id: SecurityUtil.java 348264 2005-11-22 22:06:45Z taylor $
*/
public abstract class SecurityUtil extends BrowserPortlet
{
public static Principal getPrincipal(Subject subject, Class classe)
{
Principal principal = null;
Iterator principals = subject.getPrincipals().iterator();
while (principals.hasNext())
{
Principal p = (Principal) principals.next();
if (classe.isInstance(p))
{
principal = p;
break;
}
}
return principal;
}
public static boolean isEmpty(String s)
{
if (s == null) return true;
if (s.trim().equals("")) return true;
return false;
}
public static String getAbsoluteUrl(RenderRequest renderRequest, String relativePath)
{
RequestContext requestContext = (RequestContext) renderRequest.getAttribute(PortalReservedParameters.REQUEST_CONTEXT_ATTRIBUTE);
HttpServletRequest request = requestContext.getRequest();
StringBuffer path = new StringBuffer();
if ( !requestContext.getPortalURL().isRelativeOnly() )
{
path.append(request.getScheme()).append("://").append(request.getServerName()).append(":").append(request.getServerPort());
}
return requestContext.getResponse().encodeURL(path.append(request.getContextPath()).append(request.getServletPath()).append(
relativePath).toString());
}
public static void publishErrorMessage(PortletRequest request, String message)
{
try
{
ArrayList errors = (ArrayList)PortletMessaging.receive(request,SecurityResources.ERROR_MESSAGES);
if ( errors == null )
{
errors = new ArrayList();
}
errors.add(message);
PortletMessaging.publish(request, SecurityResources.ERROR_MESSAGES, errors);
}
catch (NotSerializableException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void publishErrorMessage(PortletRequest request, String topic, String message)
{
try
{
ArrayList errors = (ArrayList)PortletMessaging.receive(request,topic,SecurityResources.ERROR_MESSAGES);
if ( errors == null )
{
errors = new ArrayList();
}
errors.add(message);
PortletMessaging.publish(request, topic, SecurityResources.ERROR_MESSAGES, errors);
}
catch (NotSerializableException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}