package org.apache.maven.archiva.web.tags;
/*
* 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.
*/
import org.codehaus.plexus.PlexusConstants;
import org.codehaus.plexus.PlexusContainer;
import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
import javax.servlet.ServletContext;
import javax.servlet.jsp.PageContext;
/**
* PlexusTagUtil
*
* @version $Id: PlexusTagUtil.java 755318 2009-03-17 16:53:49Z brett $
*/
public class PlexusTagUtil
{
public static Object lookup( PageContext pageContext, Class<?> clazz )
throws ComponentLookupException
{
return getContainer( pageContext ).lookup( clazz );
}
public static Object lookup( PageContext pageContext, String role )
throws ComponentLookupException
{
return getContainer( pageContext ).lookup( role );
}
public static Object lookup( PageContext pageContext, Class<?> clazz, String hint )
throws ComponentLookupException
{
return getContainer( pageContext ).lookup( clazz, hint );
}
public static Object lookup( PageContext pageContext, String role, String hint )
throws ComponentLookupException
{
return getContainer( pageContext ).lookup( role, hint );
}
public static PlexusContainer getContainer( PageContext pageContext )
throws ComponentLookupException
{
ServletContext servletContext = pageContext.getServletContext();
PlexusContainer xworkContainer = (PlexusContainer) servletContext.getAttribute( "webwork.plexus.container" );
if ( xworkContainer != null )
{
servletContext.setAttribute( PlexusConstants.PLEXUS_KEY, xworkContainer );
return xworkContainer;
}
PlexusContainer container = (PlexusContainer) servletContext.getAttribute( PlexusConstants.PLEXUS_KEY );
if ( container == null )
{
throw new ComponentLookupException( "PlexusContainer is null." );
}
return container;
}
}