/*
* 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.weld.integration.deployer.metadata;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.spi.deployer.DeploymentStages;
import org.jboss.deployers.vfs.spi.deployer.AbstractOptionalVFSRealDeployer;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit;
import org.jboss.vfs.VirtualFile;
import org.jboss.weld.integration.deployer.DeployersUtils;
import org.jboss.weld.integration.deployer.ext.JBossWeldMetaData;
/**
* A deployer that collects all beans.xml files in deployment unit
* and keeps them under WEB_BEANS_FILES constant.
* It also collects wb's matching classpaths, under WEB_BEANS_CLASSPATH const.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public class WeldFilesDeployer extends AbstractOptionalVFSRealDeployer<JBossWeldMetaData>
{
public WeldFilesDeployer()
{
super(JBossWeldMetaData.class);
addOutput(DeployersUtils.WELD_FILES);
addOutput(DeployersUtils.WELD_CLASSPATH);
setStage(DeploymentStages.POST_PARSE);
}
public void deploy(VFSDeploymentUnit unit, JBossWeldMetaData deployment) throws DeploymentException
{
List<VirtualFile> wbFiles = new ArrayList<VirtualFile>();
List<VirtualFile> cpFiles = new ArrayList<VirtualFile>();
try
{
if (deployment != null)
{
// do some custom stuff
}
Iterable<VirtualFile> classpaths = getClassPaths(unit);
for (VirtualFile cp : classpaths)
{
VirtualFile wbXml = cp.getChild("META-INF/beans.xml");
if (wbXml.exists())
{
// add url
wbFiles.add(wbXml);
// add classes
cpFiles.add(cp);
}
}
// handle war slightly different
VirtualFile warWbXml = unit.getFile("WEB-INF/beans.xml");
if (warWbXml != null)
{
wbFiles.add(warWbXml);
VirtualFile classes = unit.getFile("WEB-INF/classes");
if (classes != null)
cpFiles.add(classes);
}
if (wbFiles.isEmpty() == false)
unit.addAttachment(DeployersUtils.WELD_FILES, wbFiles, Collection.class);
if (cpFiles.isEmpty() == false)
unit.addAttachment(DeployersUtils.WELD_CLASSPATH, cpFiles, Collection.class);
}
catch (Exception e)
{
throw DeploymentException.rethrowAsDeploymentException("Cannot WBD files/classpath.", e);
}
}
/**
* Get the matching class paths that belong to this deployment unit.
*
* @param unit the deployment unit
* @return matching class paths
* @throws Exception for any error
*/
protected Iterable<VirtualFile> getClassPaths(VFSDeploymentUnit unit) throws Exception
{
return unit.getClassPath();
}
}