public void doTag()

in jelly-tags/jetty/src/main/java/org/apache/commons/jelly/tags/jetty/SecurityHandlerTag.java [94:146]
43 lines of code
9 McCabe index (conditional complexity)

    public void doTag(XMLOutput xmlOutput) throws JellyTagException {
        HttpContextTag httpContext = (HttpContextTag) findAncestorWithClass(
            HttpContextTag.class);
        if ( httpContext == null ) {
            throw new JellyTagException( "<securityHandler> tag must be enclosed inside a <httpContext> tag" );
        }
        SecurityHandler securityHandler = new SecurityHandler();
        if (getauthenticationMethod() != null) {
            securityHandler.setAuthMethod(getauthenticationMethod());
        }
        httpContext.addHandler(securityHandler);

        // get the security constraints from the body of this tag
        // by parsing the body of the parent (so it will be well formed)
        String bodyText = getBodyText();
        StringReader reader = new StringReader(bodyText);
        InputSource inputSource = new InputSource(reader);

        // crate a non-validating parser
        XmlParser xmlParser = new XmlParser(false);

        XmlParser.Node node = null;
        try {
            node = xmlParser.parse(inputSource);
        }
        catch (IOException e) {
            throw new JellyTagException(e);
        }
        catch (SAXException e) {
            throw new JellyTagException(e);
        }

        Iterator iter=node.iterator();
        XmlParser.Node currNode = null;
        while (iter.hasNext())
        {
                Object o = iter.next();
                if (!(o instanceof XmlParser.Node))
                    continue;

                currNode=(XmlParser.Node)o;
                String name=currNode.getTag();

                if ("security-constraint".equals(name)) {
                    initSecurityConstraint(currNode, httpContext);
                } else if ("login-config".equals(name)) {
                    initLoginConfig(currNode, httpContext);
                } else {
                    throw new JellyTagException("Invalid element in <securityHandler> tag. Are you using the <constraints> tag?: " + currNode);
                }
        }

    }