java.org.jboss.embedded.tomcat.WebinfScanner 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.tomcat;
import java.io.File;
import java.lang.reflect.Method;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleEvent;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.core.StandardContext;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.embedded.Bootstrap;
import org.jboss.embedded.DeploymentGroup;
/**
* Searches for WAR's WEB-INF directory and deploys that directory.
* A JBoss DeploymentContext is created and the StandardContext is added as an attachment
*
* This listener assumes an exploded deployment, in other words, that WEB-INF/ is
* a directory in a file system.
*
* @author Bill Burke
* @author [email protected]
* @version $Revision: 1.1 $
*/
public class WebinfScanner implements LifecycleListener
{
private DeploymentGroup group;
public void lifecycleEvent(LifecycleEvent event)
{
if (event.getType().equals(Lifecycle.START_EVENT))
{
if (!(event.getSource() instanceof StandardContext))
return;
StandardContext container = (StandardContext)event.getSource();
container.getLoader().getClassLoader();
Method getBasePath = getBasePathMethod();
String basePath;
try
{
basePath = (String)getBasePath.invoke(container);
}
catch (Exception e)
{
throw new RuntimeException(e);
}
File webInf = new File(basePath, "WEB-INF");
File webInfLib = new File(webInf, "lib");
File webInfClasses = new File(webInf, "classes");
group = Bootstrap.getInstance().createDeploymentGroup();
try
{
if (webInfLib.exists())
{
group.add(webInfLib.toURL());
}
if (webInfClasses.exists())
{
group.add(webInfClasses.toURL());
}
for (DeploymentUnit deployment : group.getDeploymentUnits())
{
deployment.getTransientManagedObjects().addAttachment(StandardContext.class, container);
}
group.process();
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
else if (event.getType().equals(Lifecycle.STOP_EVENT))
{
try
{
group.undeploy();
}
catch (DeploymentException e)
{
throw new RuntimeException(e);
}
}
}
private static Method basePathMethod;
private static synchronized Method getBasePathMethod()
{
if (basePathMethod != null) return basePathMethod;
try
{
basePathMethod = StandardContext.class.getDeclaredMethod("getBasePath");
}
catch (NoSuchMethodException e)
{
throw new RuntimeException(e);
}
basePathMethod.setAccessible(true);
return basePathMethod;
}
}