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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 java.io.IOException;
import java.io.InputStream;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import org.jboss.as.ee.structure.DeploymentType;
import org.jboss.as.ee.structure.DeploymentTypeMarker;
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.metadata.parser.util.MetaDataElementParser;
import org.jboss.vfs.VirtualFile;
import org.mobicents.metadata.sip.parser.SipMetaDataParser;
import org.mobicents.metadata.sip.spec.SipMetaData;

/**
 * @author Jean-Frederic Clere
 * @author [email protected]
 * @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]
 */
public class SipParsingDeploymentProcessor implements DeploymentUnitProcessor {

    protected static final String SIP_XML = "WEB-INF/sip.xml";
    private final boolean schemaValidation = true;

    public SipParsingDeploymentProcessor() {
        // TODO: josemrecio - is this needed?
        // String property = SecurityActions.getSystemProperty(XMLSchemaValidator.PROPERTY_SCHEMA_VALIDATION, "false");
        // this.schemaValidation = Boolean.parseBoolean(property);
    }

    @Override
    public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
        final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
        final VirtualFile rootFile = deploymentUnit.getAttachment(Attachments.DEPLOYMENT_ROOT).getRoot();
        // TODO: I think this does not apply to sip.xml
        // final VirtualFile alternateDescriptor =
        // deploymentRoot.getAttachment(org.jboss.as.ee.structure.Attachments.ALTERNATE_SIP_DEPLOYMENT_DESCRIPTOR);
        // // Locate the descriptor
        // final VirtualFile sipXml;
        // if (alternateDescriptor != null) {
        // sipXml = alternateDescriptor;
        // } else {
        // sipXml = deploymentRoot.getRoot().getChild(SIP_XML);
        // }

        VirtualFile sipXml = null;
        /*
         * if (DeploymentTypeMarker.isType(DeploymentType.EAR, deploymentUnit)) { List children =
         * rootFile.getChildren(); for (VirtualFile child: children) { if (child.getChild(SIP_XML).exists()) { sipXml =
         * child.getChild(SIP_XML); } } } else
         */if (DeploymentTypeMarker.isType(DeploymentType.WAR, deploymentUnit)) {
            sipXml = rootFile.getChild(SIP_XML);
        }
        if ((sipXml == null) || !sipXml.exists()) {
            return;
        }

        InputStream is = null;
        try {
            is = sipXml.openStream();
            final XMLInputFactory inputFactory = XMLInputFactory.newInstance();

            MetaDataElementParser.DTDInfo dtdInfo = new MetaDataElementParser.DTDInfo();
            inputFactory.setXMLResolver(dtdInfo);
            final XMLStreamReader xmlReader = inputFactory.createXMLStreamReader(is);
            SipMetaData sipMetaData = SipMetaDataParser.parse(xmlReader, dtdInfo);
            deploymentUnit.putAttachment(SipMetaData.ATTACHMENT_KEY, sipMetaData);
        } catch (XMLStreamException e) {
            throw new DeploymentUnitProcessingException("Failed to parse " + sipXml + " at [" + e.getLocation().getLineNumber()
                    + "," + e.getLocation().getColumnNumber() + "]");
        } catch (IOException e) {
            throw new DeploymentUnitProcessingException("Failed to parse " + sipXml, e);
        } finally {
            try {
                if (is != null) {
                    is.close();
                }
            } catch (IOException e) {
                // Ignore
            }
        }
    }

    @Override
    public void undeploy(DeploymentUnit context) {
        // TODO Auto-generated method stub

    }
}