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>JBoss Application Server: Restcomm Sip Servlets Adaptation Layer
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/*
 * TeleStax, Open Source Cloud Communications
 * Copyright 2011-2015, Telestax Inc and individual contributors
 * by the @authors tag.
 *
 * This program is free software: you can redistribute it and/or modify
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see 
 */
package org.mobicents.as10.deployment;

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.logging.ServerLogger;
import org.jboss.as.web.common.WarMetaData;
import org.jboss.as.web.common.WebComponentDescription;
import org.jboss.metadata.web.jboss.JBossWebMetaData;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.mobicents.as10.ConvergedServletContainerService;
import org.mobicents.metadata.sip.spec.SipAnnotationMetaData;
import org.mobicents.metadata.sip.spec.SipMetaData;
import org.wildfly.extension.undertow.Server;
import org.wildfly.extension.undertow.UndertowService;
import org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService;

/**
 * @author [email protected]
 */
public class UndertowSipDeploymentInfoProcessor implements DeploymentUnitProcessor {

    @Override
    public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
        final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
        SipMetaData sipMetaData = deploymentUnit.getAttachment(SipMetaData.ATTACHMENT_KEY);
        if (sipMetaData == null) {
            SipAnnotationMetaData sipAnnotationMetaData = deploymentUnit.getAttachment(SipAnnotationMetaData.ATTACHMENT_KEY);

            if (sipAnnotationMetaData == null || !sipAnnotationMetaData.isSipApplicationAnnotationPresent()) {
                // http://code.google.com/p/sipservlets/issues/detail?id=168
                // When no sip.xml but annotations only, Application is not recognized as SIP App by AS7

                // In case there is no metadata attached, it means this is not a sip deployment, so we can safely
                // ignore
                // it!
                return;
            }
        }

        final WarMetaData warMetaData = deploymentUnit.getAttachment(WarMetaData.ATTACHMENT_KEY);
        final JBossWebMetaData metaData = warMetaData.getMergedJBossWebMetaData();

        // lets find default server service:
        final ServiceName defaultServerServiceName = UndertowService.DEFAULT_SERVER;
        final ServiceController defaultServerServiceController = phaseContext.getServiceRegistry().getService(
                defaultServerServiceName);
        final Server defaultServerService = (Server) defaultServerServiceController.getValue();

        final String defaultHost = defaultServerService.getDefaultHost();
        final String defaultServer = defaultServerService.getName();

        final String hostName = UndertowSipDeploymentProcessor.hostNameOfDeployment(warMetaData, defaultHost);
        final String pathName = UndertowSipDeploymentProcessor.pathNameOfDeployment(deploymentUnit, metaData);

        final String serverInstanceName = metaData.getServerInstanceName() == null ? defaultServer : metaData
                .getServerInstanceName();

        //lets find server service:
        final ServiceName serverName = UndertowService.SERVER.append(serverInstanceName);
        ServiceController serverServiceController = phaseContext.getServiceRegistry().getService(serverName);
        Server serverService =  (Server) serverServiceController.getValue();

        final ServiceName deploymentServiceName = UndertowService.deploymentServiceName(serverInstanceName, hostName, pathName);
        final ServiceName deploymentInfoServiceName = deploymentServiceName.append(UndertowDeploymentInfoService.SERVICE_NAME);

        // instantiate injector service
        final UndertowSipDeploymentInfoService sipDeploymentInfoService = new UndertowSipDeploymentInfoService(deploymentUnit,serverService);
        final ServiceName sipDeploymentInfoServiceName = deploymentServiceName
                .append(UndertowSipDeploymentInfoService.SERVICE_NAME);
        // lets earn that deploymentService will depend on this service:
        phaseContext.getDeploymentUnit().getAttachment(WebComponentDescription.WEB_COMPONENTS)
                .add(sipDeploymentInfoServiceName);

        // make injector service to be dependent from deploymentInfoService:
        final ServiceBuilder infoInjectorBuilder = phaseContext.getServiceTarget()
                .addService(sipDeploymentInfoServiceName, sipDeploymentInfoService);
        infoInjectorBuilder.addDependency(deploymentInfoServiceName);
        //this service depends on convergedservletcontainer service:
        infoInjectorBuilder.addDependency(ConvergedServletContainerService.SERVICE_NAME);
        infoInjectorBuilder.install();
    }

    @Override
    public void undeploy(DeploymentUnit context) {
    }

}