private void parseTLD()

in src/main/java/org/apache/sling/scripting/jsp/jasper/compiler/TagLibraryInfoImpl.java [216:303]
71 lines of code
25 McCabe index (conditional complexity)

    private void parseTLD(JspCompilationContext ctxt, String uri,
            InputStream in, URL jarFileUrl) throws JasperException {
        Vector tagVector = new Vector();
        Vector tagFileVector = new Vector();
        Hashtable functionTable = new Hashtable();

        // Create an iterator over the child elements of our <taglib> element
        ParserUtils pu = new ParserUtils();
        TreeNode tld = pu.parseXMLDocument(uri, in);

        // Check to see if the <taglib> root element contains a 'version'
        // attribute, which was added in JSP 2.0 to replace the <jsp-version>
        // subelement
        this.jspversion = tld.findAttribute("version");

        // Process each child element of our <taglib> element
        Iterator list = tld.findChildren();

        while (list.hasNext()) {
            TreeNode element = (TreeNode) list.next();
            String tname = element.getName();

            if ("tlibversion".equals(tname) // JSP 1.1
                    || "tlib-version".equals(tname)) { // JSP 1.2
                this.tlibversion = element.getBody();
            } else if ("jspversion".equals(tname)
                    || "jsp-version".equals(tname)) {
                this.jspversion = element.getBody();
            } else if ("shortname".equals(tname) || "short-name".equals(tname))
                this.shortname = element.getBody();
            else if ("uri".equals(tname))
                this.urn = element.getBody();
            else if ("info".equals(tname) || "description".equals(tname))
                this.info = element.getBody();
            else if ("validator".equals(tname))
                this.tagLibraryValidator = createValidator(element);
            else if ("tag".equals(tname))
                tagVector.addElement(createTagInfo(element, jspversion));
            else if ("tag-file".equals(tname)) {
                TagFileInfo tagFileInfo = createTagFileInfo(element, uri,
                        jarFileUrl);
                tagFileVector.addElement(tagFileInfo);
            } else if ("function".equals(tname)) { // JSP2.0
                FunctionInfo funcInfo = createFunctionInfo(element);
                String funcName = funcInfo.getName();
                if (functionTable.containsKey(funcName)) {
                    err.jspError("jsp.error.tld.fn.duplicate.name", funcName,
                            uri);

                }
                functionTable.put(funcName, funcInfo);
            } else if ("display-name".equals(tname) || // Ignored elements
                    "small-icon".equals(tname) || "large-icon".equals(tname)
                    || "listener".equals(tname)) {
                ;
            } else if ("taglib-extension".equals(tname)) {
                // Recognized but ignored
            } else {
                if (log.isWarnEnabled()) {
                    log.warn(Localizer.getMessage(
                            "jsp.warning.unknown.element.in.taglib", tname));
                }
            }

        }

        if (tlibversion == null) {
            err.jspError("jsp.error.tld.mandatory.element.missing",
                    "tlib-version");
        }
        if (jspversion == null) {
            err.jspError("jsp.error.tld.mandatory.element.missing",
                    "jsp-version");
        }

        this.tags = new TagInfo[tagVector.size()];
        tagVector.copyInto(this.tags);

        this.tagFiles = new TagFileInfo[tagFileVector.size()];
        tagFileVector.copyInto(this.tagFiles);

        this.functions = new FunctionInfo[functionTable.size()];
        int i = 0;
        Enumeration enumeration = functionTable.elements();
        while (enumeration.hasMoreElements()) {
            this.functions[i++] = (FunctionInfo) enumeration.nextElement();
        }
    }