protected void initSecurityConstraint()

in jelly-tags/jetty/src/main/java/org/apache/commons/jelly/tags/jetty/SecurityHandlerTag.java [158:216]
53 lines of code
12 McCabe index (conditional complexity)

    protected void initSecurityConstraint(XmlParser.Node node,
                                          HttpContextTag httpContext)
    {
        SecurityConstraint scBase = new SecurityConstraint();

        XmlParser.Node auths=node.get("auth-constraint");
        if (auths!=null)
        {
            scBase.setAuthenticate(true);
            // auth-constraint
            Iterator iter= auths.iterator("role-name");
            while(iter.hasNext())
            {
                String role=((XmlParser.Node)iter.next()).toString(false,true);
                scBase.addRole(role);
            }
        }

        XmlParser.Node data=node.get("user-data-constraint");
        if (data!=null)
        {
            data=data.get("transport-guarantee");
            String guarantee = data.toString(false,true).toUpperCase();
            if (guarantee==null || guarantee.length()==0 ||
                "NONE".equals(guarantee))
                scBase.setDataConstraint(SecurityConstraint.DC_NONE);
            else if ("INTEGRAL".equals(guarantee))
                scBase.setDataConstraint(SecurityConstraint.DC_INTEGRAL);
            else if ("CONFIDENTIAL".equals(guarantee))
                scBase.setDataConstraint(SecurityConstraint.DC_CONFIDENTIAL);
            else
            {
                Code.warning("Unknown user-data-constraint:"+guarantee);
                scBase.setDataConstraint(SecurityConstraint.DC_CONFIDENTIAL);
            }
        }

        Iterator iter= node.iterator("web-resource-collection");
        while(iter.hasNext())
        {
            XmlParser.Node collection=(XmlParser.Node)iter.next();
            String name=collection.getString("web-resource-name",false,true);
            SecurityConstraint sc = (SecurityConstraint)scBase.clone();
            sc.setName(name);

            Iterator iter2= collection.iterator("http-method");
            while(iter2.hasNext())
                sc.addMethod(((XmlParser.Node)iter2.next())
                             .toString(false,true));

            iter2= collection.iterator("url-pattern");
            while(iter2.hasNext())
            {
                String url=
                    ((XmlParser.Node)iter2.next()).toString(false,true);
                httpContext.addSecurityConstraint(url,sc);
            }
        }
    }