/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, 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.as.mc;
import java.io.InputStream;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import org.jboss.as.mc.descriptor.KernelDeploymentXmlDescriptor;
import org.jboss.as.mc.descriptor.KernelDeploymentXmlDescriptorParser;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.staxmapper.XMLMapper;
import org.jboss.vfs.VFSUtils;
import org.jboss.vfs.VirtualFile;
/**
* DeploymentUnitProcessor responsible for parsing a jboss-beans.xml
* descriptor and attaching the corresponding KernelDeploymentXmlDescriptor.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public class KernelDeploymentParsingProcessor implements DeploymentUnitProcessor {
private final XMLMapper xmlMapper = XMLMapper.Factory.create();
private final XMLInputFactory inputFactory = XMLInputFactory.newInstance();
public KernelDeploymentParsingProcessor() {
xmlMapper.registerRootElement(new QName("urn:jboss:mc:7.0", "deployment"), new KernelDeploymentXmlDescriptorParser());
}
/**
* Process a deployment for jboss-beans.xml files.
* Will parse the xml file and attach an configuration discovered during processing.
*
* @param phaseContext the deployment unit context
* @throws DeploymentUnitProcessingException
*/
@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final VirtualFile deploymentRoot = phaseContext.getDeploymentUnit().getAttachment(Attachments.DEPLOYMENT_ROOT).getRoot();
if(deploymentRoot == null || deploymentRoot.exists() == false)
return;
final String deploymentRootName = deploymentRoot.getLowerCaseName();
VirtualFile beansXmlFile = null;
if(deploymentRootName.endsWith(".jar")) {
beansXmlFile = deploymentRoot.getChild("META-INF/jboss-beans.xml");
} else if(deploymentRootName.endsWith("jboss-beans.xml")) {
beansXmlFile = deploymentRoot;
}
if(beansXmlFile == null || beansXmlFile.exists() == false)
return;
InputStream xmlStream = null;
try {
xmlStream = beansXmlFile.openStream();
final XMLStreamReader reader = inputFactory.createXMLStreamReader(xmlStream);
final ParseResult<KernelDeploymentXmlDescriptor> result = new ParseResult<KernelDeploymentXmlDescriptor>();
xmlMapper.parseDocument(result, reader);
final KernelDeploymentXmlDescriptor xmlDescriptor = result.getResult();
if(xmlDescriptor != null)
phaseContext.getDeploymentUnit().putAttachment(KernelDeploymentXmlDescriptor.ATTACHMENT_KEY, xmlDescriptor);
else
throw new DeploymentUnitProcessingException("Failed to parse MC beans xml [" + beansXmlFile + "]");
} catch(Exception e) {
throw new DeploymentUnitProcessingException("Failed to parse MC beans xml [" + beansXmlFile + "]", e);
} finally {
VFSUtils.safeClose(xmlStream);
}
}
@Override
public void undeploy(DeploymentUnit context) {
}
}