/*
* Sonatype Nexus (TM) Open Source Version
* Copyright (c) 2007-2014 Sonatype, Inc.
* All rights reserved. Includes the third-party code listed at http://links.sonatype.com/products/nexus/oss/attributions.
*
* This program and the accompanying materials are made available under the terms of the Eclipse Public License Version 1.0,
* which accompanies this distribution and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Sonatype Nexus (TM) Professional Version is available from Sonatype, Inc. "Sonatype" and "Sonatype Nexus" are trademarks
* of Sonatype, Inc. Apache Maven is a trademark of the Apache Software Foundation. M2eclipse is a trademark of the
* Eclipse Foundation. All other trademarks are the property of their respective owners.
*/
package org.sonatype.nexus.web.internal;
import java.lang.annotation.Annotation;
import com.google.inject.servlet.FilterPipeline;
import org.eclipse.sisu.BeanEntry;
import org.eclipse.sisu.Mediator;
/**
* Updates the associated {@link DynamicFilterPipeline} as {@link FilterPipeline} bindings come and go.
*/
final class FilterPipelineMediator
implements Mediator<Annotation, FilterPipeline, DynamicFilterPipeline>
{
public void add(final BeanEntry<Annotation, FilterPipeline> entry, final DynamicFilterPipeline watcher)
throws Exception
{
// initialize pipeline before exposing via cache
final FilterPipeline pipeline = entry.getValue();
pipeline.initPipeline(watcher.getServletContext());
watcher.refreshCache();
}
public void remove(final BeanEntry<Annotation, FilterPipeline> entry, final DynamicFilterPipeline watcher)
throws Exception
{
// remove pipeline from cache before disposing
final FilterPipeline pipeline = entry.getValue();
watcher.refreshCache();
pipeline.destroyPipeline();
}
}