public void visit()

in src/main/java/org/apache/sling/scripting/jsp/jasper/compiler/Validator.java [775:863]


        public void visit(Node.CustomTag n) throws JasperException {

            TagInfo tagInfo = n.getTagInfo();
            if (tagInfo == null) {
                err.jspError(n, "jsp.error.missing.tagInfo", n.getQName());
            }

            /*
             * The bodyconet of a SimpleTag cannot be JSP.
             */
            if (n.implementsSimpleTag()
                    && tagInfo.getBodyContent().equalsIgnoreCase(
                            TagInfo.BODY_CONTENT_JSP)) {
                err.jspError(n, "jsp.error.simpletag.badbodycontent", tagInfo
                        .getTagClassName());
            }

            /*
             * If the tag handler declares in the TLD that it supports dynamic
             * attributes, it also must implement the DynamicAttributes
             * interface.
             */
            if (tagInfo.hasDynamicAttributes()
                    && !n.implementsDynamicAttributes()) {
                err.jspError(n, "jsp.error.dynamic.attributes.not.implemented",
                        n.getQName());
            }

            /*
             * Make sure all required attributes are present, either as
             * attributes or named attributes (<jsp:attribute>). Also make sure
             * that the same attribute is not specified in both attributes or
             * named attributes.
             */
            TagAttributeInfo[] tldAttrs = tagInfo.getAttributes();
            String customActionUri = n.getURI();
            Attributes attrs = n.getAttributes();
            int attrsSize = (attrs == null) ? 0 : attrs.getLength();
            for (int i = 0; i < tldAttrs.length; i++) {
                String attr = null;
                if (attrs != null) {
                    attr = attrs.getValue(tldAttrs[i].getName());
                    if (attr == null) {
                        attr = attrs.getValue(customActionUri, tldAttrs[i]
                                .getName());
                    }
                }
                Node.NamedAttribute na = n.getNamedAttributeNode(tldAttrs[i]
                        .getName());

                if (tldAttrs[i].isRequired() && attr == null && na == null) {
                    err.jspError(n, "jsp.error.missing_attribute", tldAttrs[i]
                            .getName(), n.getLocalName());
                }
                if (attr != null && na != null) {
                    err.jspError(n, "jsp.error.duplicate.name.jspattribute",
                            tldAttrs[i].getName());
                }
            }

            Node.Nodes naNodes = n.getNamedAttributeNodes();
            int jspAttrsSize = naNodes.size() + attrsSize;
            Node.JspAttribute[] jspAttrs = null;
            if (jspAttrsSize > 0) {
                jspAttrs = new Node.JspAttribute[jspAttrsSize];
            }
            Hashtable<String, Object> tagDataAttrs = new Hashtable<String, Object>(attrsSize);

            checkXmlAttributes(n, jspAttrs, tagDataAttrs);
            checkNamedAttributes(n, jspAttrs, attrsSize, tagDataAttrs);

            TagData tagData = new TagData(tagDataAttrs);

            // JSP.C1: It is a (translation time) error for an action that
            // has one or more variable subelements to have a TagExtraInfo
            // class that returns a non-null object.
            TagExtraInfo tei = tagInfo.getTagExtraInfo();
            if (tei != null && tei.getVariableInfo(tagData) != null
                    && tei.getVariableInfo(tagData).length > 0
                    && tagInfo.getTagVariableInfos().length > 0) {
                err.jspError("jsp.error.non_null_tei_and_var_subelems", n
                        .getQName());
            }

            n.setTagData(tagData);
            n.setJspAttributes(jspAttrs);

            visitBody(n);
        }