java.org.jboss.embedded.WebInfLibScanner Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.embedded;
import java.net.URL;
import java.util.Set;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.logging.Logger;
/**
* Deploy all jars in WEB-INF/lib. These jars are undeployed at WAR destruction
*
* @author Bill Burke
* @version $Revision: 44597 $
*/
public class WebInfLibScanner implements ServletContextListener
{
private static final Logger log = Logger.getLogger(WebInfLibScanner.class);
private DeploymentGroup group = Bootstrap.getInstance().createDeploymentGroup();
public void contextInitialized(ServletContextEvent servletContextEvent)
{
scan(servletContextEvent, "/WEB-INF/lib");
}
protected void scan(ServletContextEvent servletContextEvent, String path)
{
try
{
ServletContext servletContext = servletContextEvent.getServletContext();
Set libJars = servletContext.getResourcePaths(path);
for (Object jar : libJars)
{
URL archive = servletContext.getResource((String) jar);
group.add(archive);
}
group.process();
}
catch (Exception e)
{
try
{
group.undeploy();
}
catch (DeploymentException e1)
{
log.warn("failed to undeploy on error");
}
log.error("failed to deploy from ServletListenerDeployer", e);
throw new RuntimeException(e);
}
}
public void contextDestroyed(ServletContextEvent servletContextEvent)
{
try
{
group.undeploy();
}
catch (DeploymentException e)
{
throw new RuntimeException(e);
}
}
}