Class JspAttribute

java/org/apache/jasper/compiler/Node.java:2478–2725

Represents attributes that can be request time expressions. Can either be a plain attribute, an attribute that represents a request time expression value, or a named attribute (specified using the jsp:attribute standard action).

     */

    public static class JspAttribute {

        private final String qName;

        private final String uri;

        private final String localName;

        private final String value;

        private final boolean expression;

        private final boolean dynamic;

        private final ELNode.Nodes el;

        private final TagAttributeInfo tai;

        // If true, this JspAttribute represents a <jsp:attribute>
        private final boolean namedAttribute;

        // The node in the parse tree for the NamedAttribute
        private final NamedAttribute namedAttributeNode;

        JspAttribute(TagAttributeInfo tai, String qName, String uri, String localName, String value, boolean expr,
                ELNode.Nodes el, boolean dyn) {
            this.qName = qName;
            this.uri = uri;
            this.localName = localName;
            this.value = value;
            this.namedAttributeNode = null;
            this.expression = expr;
            this.el = el;
            this.dynamic = dyn;
            this.namedAttribute = false;
            this.tai = tai;
        }

        /**
         * Allow node to validate itself.
         *
         * @param ef  The expression factory to use to evaluate any EL
         * @param ctx The context to use to evaluate any EL
         *
         * @throws ELException If validation fails
         */
        public void validateEL(ExpressionFactory ef, ELContext ctx) throws ELException {
            if (this.el != null) {
                // determine exact type
                ef.createValueExpression(ctx, this.value, String.class);
            }
        }

        /**
         * Use this constructor if the JspAttribute represents a named attribute. In this case, we have to store the
         * nodes of the body of the attribute.
         */
        JspAttribute(NamedAttribute na, TagAttributeInfo tai, boolean dyn) {