webservices/server-integration/src/main/java/org/jboss/as/webservices/util/ASHelper.java
public static String getContextRoot(final Deployment dep, final JBossWebMetaData jbossWebMD) {
        final DeploymentUnit unit = WSHelper.getRequiredAttachment(dep, DeploymentUnit.class);
        final JBossAppMetaData jbossAppMD = unit.getParent() == null ? null : ASHelper.getOptionalAttachment(unit.getParent(),
                WSAttachmentKeys.JBOSS_APP_METADATA_KEY);

        String contextRoot = null;

        // prefer context root defined in application.xml over one defined in jboss-web.xml
        if (jbossAppMD != null) {
            final ModuleMetaData moduleMD = jbossAppMD.getModules().get(dep.getSimpleName());
            if (moduleMD != null) {
                final WebModuleMetaData webModuleMD = (WebModuleMetaData) moduleMD.getValue();
                contextRoot = webModuleMD.getContextRoot();
            }
        }

        if (contextRoot == null) {
            contextRoot = jbossWebMD != null ? jbossWebMD.getContextRoot() : null;
        }

        return contextRoot;
    }
public static String getContextRoot(final Deployment dep, final JBossWebMetaData jbossWebMD) {
        final DeploymentUnit unit = WSHelper.getRequiredAttachment(dep, DeploymentUnit.class);
        final JBossAppMetaData jbossAppMD = unit.getParent() == null ? null : ASHelper.getOptionalAttachment(unit.getParent(),
                WSAttachmentKeys.JBOSS_APP_METADATA_KEY);

        String contextRoot = null;

        // prefer context root defined in application.xml over one defined in jboss-web.xml
        if (jbossAppMD != null) {
            final ModuleMetaData moduleMD = jbossAppMD.getModules().get(dep.getSimpleName());
            if (moduleMD != null) {
                final WebModuleMetaData webModuleMD = (WebModuleMetaData) moduleMD.getValue();
                contextRoot = webModuleMD.getContextRoot();
            }
        }

        if (contextRoot == null) {
            contextRoot = jbossWebMD != null ? jbossWebMD.getContextRoot() : null;
        }

        return contextRoot;
    }
Returns context root associated with webservice deployment.

If there's application.xml descriptor provided defining nested web module, then context root defined there will be
returned. Otherwise context root defined in jboss-web.xml will be returned.

@param dep webservice deployment
@param jbossWebMD jboss web meta data
@return context root