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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.DeploymentUnit;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;

/**
 * A service starting a sip deployment. For sip, this is required so far only as a way to provide the context to management
 * methods
 *
 * @author Emanuel Muckenhuber
 * @author [email protected]
 *
 *         This class is based on the contents of org.mobicents.as7.deployment package from jboss-as7-mobicents project,
 *         re-implemented for jboss as10 (wildfly) by:
 * @author [email protected]
 */
class SipDeploymentService implements Service {

    private SIPWebContext sipContext;
    private final DeploymentUnit anchorDu;

    public SipDeploymentService(final DeploymentUnit du) {
        this.anchorDu = SIPWebContext.getSipContextAnchorDu(du);
    }

    /**
     * {@inheritDoc}
     */
    public synchronized void start(StartContext startContext) throws StartException {
        if (sipContext == null) {
            this.sipContext = anchorDu.getAttachment(SIPWebContext.ATTACHMENT_KEY);
        }
    }

    /**
     * {@inheritDoc}
     */
    public synchronized void stop(StopContext stopContext) {
    }

    /**
     * {@inheritDoc}
     */
    public synchronized SIPWebContext getValue() throws IllegalStateException {
        final SIPWebContext sipContext = this.sipContext;
        if (sipContext == null) {
            throw new IllegalStateException();
        }
        return sipContext;
    }

}