Examples of org.apache.jasper.xmlparser.ParserUtils

org.apache.jasper.xmlparser.ParserUtils
XML parsing utilities for processing web application deployment descriptor and tag library descriptor files. FIXME - make these use a separate class loader for the parser to be used. @author Craig R. McClanahan @version $Revision: 515 $ $Date: 2008-03-17 17:02:23 -0400 (Mon, 17 Mar 2008) $


    private void loadTagPlugins(ErrorDispatcher err, InputStream is)
            throws JasperException {


        TreeNode root =
                (new ParserUtils()).parseXMLDocument(TAG_PLUGINS_XML, is);
        if (root == null) {
            return;
        }


        if (!TAG_PLUGINS_ROOT_ELEM.equals(root.getName())) {

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                return;
            }


            // Parse the web application deployment descriptor
            TreeNode webtld = null;
            webtld = new ParserUtils().parseXMLDocument(webXml.getSystemId(),
                    webXml.getInputSource());


            // Allow taglib to be an element of the root or jsp-config (JSP2.0)
            TreeNode jspConfig = webtld.findChild("jsp-config");
            if (jspConfig != null) {

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        try {
            // Parse the tag library descriptor at the specified resource path
            String uri = null;


            TreeNode tld =
                new ParserUtils().parseXMLDocument(resourcePath, stream);
            TreeNode uriNode = tld.findChild("uri");
            if (uriNode != null) {
                String body = uriNode.getBody();
                if (body != null)
                    uri = body;

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                return;
            }
            
            // Parse the web application deployment descriptor
            TreeNode webtld = null;
            webtld = new ParserUtils().parseXMLDocument(webXml.getSystemId(),
                    webXml.getInputSource());


            // Allow taglib to be an element of the root or jsp-config (JSP2.0)
            TreeNode jspConfig = webtld.findChild("jsp-config");
            if (jspConfig != null) {

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        try {
            // Parse the tag library descriptor at the specified resource path
            String uri = null;


            TreeNode tld =
                new ParserUtils().parseXMLDocument(path, stream);
            TreeNode uriNode = tld.findChild("uri");
            if (uriNode != null) {
                String body = uriNode.getBody();
                if (body != null)
                    uri = body;

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        Vector<TagInfo> tagVector = new Vector<TagInfo>();
        Vector<TagFileInfo> tagFileVector = new Vector<TagFileInfo>();
        Hashtable<String, FunctionInfo> functionTable = new Hashtable<String, FunctionInfo>();


        // 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");

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        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");

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            is = uri.openStream();
            InputSource ip = new InputSource(is);
            ip.setSystemId(uri.toExternalForm()); 


            ParserUtils pu = new ParserUtils();
            TreeNode webApp = pu.parseXMLDocument(WEB_XML, ip);


            if (webApp == null
                    || getVersion(webApp) < 2.4) {
                defaultIsELIgnored = "true";
                return;

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            // Parse the web application deployment descriptor
            TreeNode webtld = null;
            // altDDName is the absolute path of the DD
            if (altDDName != null) {
                webtld = new ParserUtils().parseXMLDocument(altDDName, ip);
            } else {
                webtld = new ParserUtils().parseXMLDocument(WEB_XML, ip);
            }


            // Allow taglib to be an element of the root or jsp-config (JSP2.0)
            TreeNode jspConfig = webtld.findChild("jsp-config");
            if (jspConfig != null) {

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     */
    private String getUriFromTld(String resourcePath, InputStream in) 
        throws JasperException
    {
        // Parse the tag library descriptor at the specified resource path
        TreeNode tld = new ParserUtils().parseXMLDocument(resourcePath, in);
        TreeNode uri = tld.findChild("uri");
        if (uri != null) {
            String body = uri.getBody();
            if (body != null)
                return body;

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