public void visit()

in src/main/java/org/apache/sling/scripting/jsp/jasper/compiler/TagFileProcessor.java [190:287]
82 lines of code
26 McCabe index (conditional complexity)

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

            JspUtil.checkAttributes("Attribute directive", n,
                    attributeDirectiveAttrs, err);

            // JSP 2.1 Table JSP.8-3
            // handle deferredValue and deferredValueType
            boolean deferredValue = false;
            boolean deferredValueSpecified = false;
            String deferredValueString = n.getAttributeValue("deferredValue");
            if (deferredValueString != null) {
                deferredValueSpecified = true;
                deferredValue = JspUtil.booleanValue(deferredValueString);
            }
            String deferredValueType = n.getAttributeValue("deferredValueType");
            if (deferredValueType != null) {
                if (deferredValueSpecified && !deferredValue) {
                    err.jspError(n, "jsp.error.deferredvaluetypewithoutdeferredvalue");
                } else {
                    deferredValue = true;
                }
            } else if (deferredValue) {
                deferredValueType = "java.lang.Object";
            } else {
                deferredValueType = "java.lang.String";
            }

            // JSP 2.1 Table JSP.8-3
            // handle deferredMethod and deferredMethodSignature
            boolean deferredMethod = false;
            boolean deferredMethodSpecified = false;
            String deferredMethodString = n.getAttributeValue("deferredMethod");
            if (deferredMethodString != null) {
                deferredMethodSpecified = true;
                deferredMethod = JspUtil.booleanValue(deferredMethodString);
            }
            String deferredMethodSignature = n
                    .getAttributeValue("deferredMethodSignature");
            if (deferredMethodSignature != null) {
                if (deferredMethodSpecified && !deferredMethod) {
                    err.jspError(n, "jsp.error.deferredmethodsignaturewithoutdeferredmethod");
                } else {
                    deferredMethod = true;
                }
            } else if (deferredMethod) {
                deferredMethodSignature = "void methodname()";
            }

            if (deferredMethod && deferredValue) {
                err.jspError(n, "jsp.error.deferredmethodandvalue");
            }

            String attrName = n.getAttributeValue("name");
            boolean required = JspUtil.booleanValue(n
                    .getAttributeValue("required"));
            boolean rtexprvalue = true;
            String rtexprvalueString = n.getAttributeValue("rtexprvalue");
            if (rtexprvalueString != null) {
                rtexprvalue = JspUtil.booleanValue(rtexprvalueString);
            }
            boolean fragment = JspUtil.booleanValue(n
                    .getAttributeValue("fragment"));
            String type = n.getAttributeValue("type");
            if (fragment) {
                // type is fixed to "JspFragment" and a translation error
                // must occur if specified.
                if (type != null) {
                    err.jspError(n, "jsp.error.fragmentwithtype");
                }
                // rtexprvalue is fixed to "true" and a translation error
                // must occur if specified.
                rtexprvalue = true;
                if (rtexprvalueString != null) {
                    err.jspError(n, "jsp.error.frgmentwithrtexprvalue");
                }
            } else {
                if (type == null)
                    type = "java.lang.String";

                if (deferredValue) {
                    type = ValueExpression.class.getName();
                } else if (deferredMethod) {
                    type = MethodExpression.class.getName();
                }
            }

            if (("2.0".equals(tagLibInfo.getRequiredVersion()) || ("1.2".equals(tagLibInfo.getRequiredVersion())))
                    && (deferredMethodSpecified || deferredMethod
                            || deferredValueSpecified || deferredValue)) {
                err.jspError("jsp.error.invalid.version", path);
            }

            TagAttributeInfo tagAttributeInfo = new TagAttributeInfo(attrName,
                    required, type, rtexprvalue, fragment, null, deferredValue,
                    deferredMethod, deferredValueType, deferredMethodSignature);
            attributeVector.addElement(tagAttributeInfo);
            checkUniqueName(attrName, ATTR_NAME, n, tagAttributeInfo);
        }