public void visit()

in src/main/java/org/apache/sling/scripting/jsp/jasper/compiler/TagFileProcessor.java [290:350]
44 lines of code
16 McCabe index (conditional complexity)

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

            JspUtil.checkAttributes("Variable directive", n,
                    variableDirectiveAttrs, err);

            String nameGiven = n.getAttributeValue("name-given");
            String nameFromAttribute = n
                    .getAttributeValue("name-from-attribute");
            if (nameGiven == null && nameFromAttribute == null) {
                err.jspError("jsp.error.variable.either.name");
            }

            if (nameGiven != null && nameFromAttribute != null) {
                err.jspError("jsp.error.variable.both.name");
            }

            String alias = n.getAttributeValue("alias");
            if (nameFromAttribute != null && alias == null
                    || nameFromAttribute == null && alias != null) {
                err.jspError("jsp.error.variable.alias");
            }

            String className = n.getAttributeValue("variable-class");
            if (className == null)
                className = "java.lang.String";

            String declareStr = n.getAttributeValue("declare");
            boolean declare = true;
            if (declareStr != null)
                declare = JspUtil.booleanValue(declareStr);

            int scope = VariableInfo.NESTED;
            String scopeStr = n.getAttributeValue("scope");
            if (scopeStr != null) {
                if ("NESTED".equals(scopeStr)) {
                    // Already the default
                } else if ("AT_BEGIN".equals(scopeStr)) {
                    scope = VariableInfo.AT_BEGIN;
                } else if ("AT_END".equals(scopeStr)) {
                    scope = VariableInfo.AT_END;
                }
            }

            if (nameFromAttribute != null) {
                /*
                 * An alias has been specified. We use 'nameGiven' to hold the
                 * value of the alias, and 'nameFromAttribute' to hold the name
                 * of the attribute whose value (at invocation-time) denotes the
                 * name of the variable that is being aliased
                 */
                nameGiven = alias;
                checkUniqueName(nameFromAttribute, VAR_NAME_FROM, n);
                checkUniqueName(alias, VAR_ALIAS, n);
            } else {
                // name-given specified
                checkUniqueName(nameGiven, VAR_NAME_GIVEN, n);
            }

            variableVector.addElement(new TagVariableInfo(nameGiven,
                    nameFromAttribute, className, declare, scope));
        }