Package org.jboss.as.connector.deployers.ra.processors

Source Code of org.jboss.as.connector.deployers.ra.processors.RaDeploymentParsingProcessor

/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., 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.connector.deployers.ra.processors;


import static org.jboss.as.connector.logging.ConnectorMessages.MESSAGES;

import java.io.File;
import java.io.InputStream;
import java.net.URL;
import java.util.Locale;

import org.jboss.as.connector.deployers.Util;
import org.jboss.as.connector.metadata.xmldescriptors.ConnectorXmlDescriptor;
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.as.server.deployment.module.ResourceRoot;
import org.jboss.jca.common.api.metadata.ra.Connector;
import org.jboss.jca.common.metadata.ra.RaParser;
import org.jboss.vfs.VFSUtils;
import org.jboss.vfs.VirtualFile;

/**
* DeploymentUnitProcessor responsible for parsing a standard jca xml descriptor
* and attaching the corresponding metadata. It take care also to register this
* metadata into IronJacamar's MetadataRepository
*
* @author <a href="mailto:stefano.maestri@redhat.com">Stefano Maestri</a>
*/
public class RaDeploymentParsingProcessor implements DeploymentUnitProcessor {

    /**
     * Construct a new instance.
     */
    public RaDeploymentParsingProcessor() {
    }

    /**
     * Process a deployment for standard ra deployment 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 DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
        final ResourceRoot deploymentRoot = deploymentUnit.getAttachment(Attachments.DEPLOYMENT_ROOT);
        final boolean resolveProperties = Util.shouldResolveSpec(deploymentUnit);

        final VirtualFile file = deploymentRoot.getRoot();
        if (file == null || !file.exists())
            return;

        final String deploymentRootName = file.getName().toLowerCase(Locale.ENGLISH);
        if (!deploymentRootName.endsWith(".rar")) {
            return;
        }

        final VirtualFile alternateDescriptor = deploymentRoot.getAttachment(org.jboss.as.ee.structure.Attachments.ALTERNATE_CONNECTOR_DEPLOYMENT_DESCRIPTOR);
        // Locate the descriptor
        final VirtualFile serviceXmlFile;
        if (alternateDescriptor != null) {
            serviceXmlFile = alternateDescriptor;
        } else {
            serviceXmlFile = file.getChild("/META-INF/ra.xml");
        }
        InputStream xmlStream = null;
        Connector result = null;
        try {
            if (serviceXmlFile != null && serviceXmlFile.exists()) {

                xmlStream = serviceXmlFile.openStream();
                RaParser raParser = new RaParser();
                raParser.setSystemPropertiesResolved(resolveProperties);
                result = raParser.parse(xmlStream);
                if (result == null)
                    throw MESSAGES.failedToParseServiceXml(serviceXmlFile);
            }
            File root = file.getPhysicalFile();
            URL url = root.toURI().toURL();
            String prefix = "";

            if (deploymentUnit.getParent() != null) {
                prefix = deploymentUnit.getParent().getName() + "#";
            }

            String deploymentName = prefix + file.getName().substring(0, file.getName().indexOf(".rar"));
            ConnectorXmlDescriptor xmlDescriptor = new ConnectorXmlDescriptor(result, root, url, deploymentName);
            phaseContext.getDeploymentUnit().putAttachment(ConnectorXmlDescriptor.ATTACHMENT_KEY, xmlDescriptor);

        } catch (Exception e) {
            throw MESSAGES.failedToParseServiceXml(e, serviceXmlFile);
        } finally {
            VFSUtils.safeClose(xmlStream);
        }
    }

    public void undeploy(final DeploymentUnit context) {
    }
}
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