taglibraryinfoimpl.java

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                displayName = element.getBody();
            } else if ("small-icon".equals(tname)) {
                smallIcon = element.getBody();
            } else if ("large-icon".equals(tname)) {
                largeIcon = element.getBody();
            } else if ("icon".equals(tname)) {
                TreeNode icon = element.findChild("small-icon");
                if (icon != null) {
                    smallIcon = icon.getBody();
                }
                icon = element.findChild("large-icon");
                if (icon != null) {
                    largeIcon = icon.getBody();
                }
            } else if ("info".equals(tname) ||
                     "description".equals(tname)) {
                info = element.getBody();
            } else if ("variable".equals(tname)) {
                variableVector.addElement(createVariable(element));
            } else if ("attribute".equals(tname)) {
                attributeVector.addElement(createAttribute(element, jspVersion));
            } else if ("dynamic-attributes".equals(tname)) {
                dynamicAttributes = JspUtil.booleanValue(element.getBody());
            } else if ("example".equals(tname)) {
                // Ignored elements
            } else if ("tag-extension".equals(tname)) {
                // Ignored
            } else {
                if (log.isWarnEnabled()) {
                    log.warn(Localizer.getMessage(
                            "jsp.warning.unknown.element.in.tag", tname));
                }
            }
        }

        TagExtraInfo tei = null;
        if (teiClassName != null && !teiClassName.equals("")) {
            try {
                Class teiClass = ctxt.getClassLoader().loadClass(teiClassName);
                tei = (TagExtraInfo) teiClass.newInstance();
            } catch (Exception e) {
                err.jspError("jsp.error.teiclass.instantiation", teiClassName,
                             e);
            }
        }

        TagAttributeInfo[] tagAttributeInfo
            = new TagAttributeInfo[attributeVector.size()];
        attributeVector.copyInto(tagAttributeInfo);

        TagVariableInfo[] tagVariableInfos
            = new TagVariableInfo[variableVector.size()];
        variableVector.copyInto(tagVariableInfos);

        TagInfo taginfo = new TagInfo(tagName,
                                      tagClassName,
                                      bodycontent,
                                      info,
                                      this, 
                                      tei,
                                      tagAttributeInfo,
                                      displayName,
                                      smallIcon,
                                      largeIcon,
                                      tagVariableInfos,
                                      dynamicAttributes);
        return taginfo;
    }

    /*
     * Parses the tag file directives of the given TagFile and turns them into
     * a TagInfo.
     *
     * @param elem The <tag-file> element in the TLD
     * @param uri The location of the TLD, in case the tag file is specified
     * relative to it
     * @param jarFile The JAR file, in case the tag file is packaged in a JAR
     *
     * @return TagInfo correspoding to tag file directives
     */
    private TagFileInfo createTagFileInfo(TreeNode elem, String uri,
                                          URL jarFileUrl)
                throws JasperException {

        String name = null;
        String path = null;

        Iterator list = elem.findChildren();
        while (list.hasNext()) {
            TreeNode child = (TreeNode) list.next();
            String tname = child.getName();
            if ("name".equals(tname)) {
                name = child.getBody();
            } else if ("path".equals(tname)) {
                path = child.getBody();
            } else if ("example".equals(tname)) {
                // Ignore <example> element: Bugzilla 33538
            } else if ("tag-extension".equals(tname)) {
                // Ignore <tag-extension> element: Bugzilla 33538
            } else if ("icon".equals(tname) ||
                        "display-name".equals(tname) ||
                       "description".equals(tname)) {
                // Ignore these elements: Bugzilla 38015
            } else {
                if (log.isWarnEnabled()) {
                    log.warn(Localizer.getMessage(
                            "jsp.warning.unknown.element.in.tagfile", tname));
                }
            }
        }

        if (path.startsWith("/META-INF/tags")) {
            // Tag file packaged in JAR
            ctxt.getTagFileJarUrls().put(path, jarFileUrl);
        } else if (!path.startsWith("/WEB-INF/tags")) {
            err.jspError("jsp.error.tagfile.illegalPath", path);
        }

        TagInfo tagInfo
            = TagFileProcessor.parseTagFileDirectives(parserController, name,
                                                      path, this);
        return new TagFileInfo(name, path, tagInfo);
    }

    TagAttributeInfo createAttribute(TreeNode elem, String jspVersion) {
        String name = null;
        String type = null;
        boolean required = false, rtexprvalue = false, reqTime = false,
            isFragment = false;
        
        Iterator list = elem.findChildren();
        while (list.hasNext()) {
            TreeNode element = (TreeNode) list.next();
            String tname = element.getName();

            if ("name".equals(tname)) {
                name = element.getBody();
            } else if ("required".equals(tname)) {
                String s = element.getBody();
                if (s != null)
                    required = JspUtil.booleanValue(s);
            } else if ("rtexprvalue".equals(tname)) {
                String s = element.getBody();
                if (s != null)
                    rtexprvalue = JspUtil.booleanValue(s);
            } else if ("type".equals(tname)) {
                type = element.getBody();
                if ("1.2".equals(jspVersion)
                        && (type.equals("Boolean")
                            || type.equals("Byte")
                            || type.equals("Character")
                            || type.equals("Double")
                            || type.equals("Float")
                            || type.equals("Integer")
                            || type.equals("Long")
                            || type.equals("Object")
                            || type.equals("Short")
                            || type.equals("String"))) {
                    type = "java.lang." + type;
                }
            } else if ("fragment".equals(tname)) {
                String s = element.getBody();
                if (s != null) {
                    isFragment = JspUtil.booleanValue(s);
                }
            } else if ("description".equals(tname) ||    // Ignored elements
                       false) {
                ;
            } else {
                if (log.isWarnEnabled()) {
                    log.warn(Localizer.getMessage(
                            "jsp.warning.unknown.element.in.attribute", tname));
                }
            }
        }

        if (isFragment) {
            /*
             * According to JSP.C-3 ("TLD Schema Element Structure - tag"), 
             * 'type' and 'rtexprvalue' must not be specified if 'fragment'
             * has been specified (this will be enforced by validating parser).
             * Also, if 'fragment' is TRUE, 'type' is fixed at
             * javax.servlet.jsp.tagext.JspFragment, and 'rtexprvalue' is
             * fixed at true. See also JSP.8.5.2.
             */
            type = "javax.servlet.jsp.tagext.JspFragment";
            rtexprvalue = true;            
        }
        
        if (!rtexprvalue) {
            // According to JSP spec, for static values (those determined at
            // translation time) the type is fixed at java.lang.String.
            type = "java.lang.String";
        }

        return new TagAttributeInfo(name, required, type, rtexprvalue,
                                    isFragment);
    }

    TagVariableInfo createVariable(TreeNode elem) {
        String nameGiven = null;
        String nameFromAttribute = null;
        String className = "java.lang.String";
        boolean declare = true;
        int scope = VariableInfo.NESTED;

        Iterator list = elem.findChildren();
        while (list.hasNext()) {
            TreeNode element = (TreeNode) list.next();
            String tname = element.getName();
            if ("name-given".equals(tname))
                nameGiven = element.getBody();
            else if ("name-from-attribute".equals(tname))
                nameFromAttribute = element.getBody();
            else if ("variable-class".equals(tname))
                className = element.getBody();
            else if ("declare".equals(tname)) {
                String s = element.getBody();
                if (s != null)
                    declare = JspUtil.booleanValue(s);
            } else if ("scope".equals(tname)) {
                String s = element.getBody();
                if (s != null) {
                    if ("NESTED".equals(s)) {
                        scope = VariableInfo.NESTED;
                    } else if ("AT_BEGIN".equals(s)) {
                        scope = VariableInfo.AT_BEGIN;
                    } else if ("AT_END".equals(s)) {
                        scope = VariableInfo.AT_END;
                    }
                }
            } else if ("description".equals(tname) ||    // Ignored elements
                     false ) {
            } else {
                if (log.isWarnEnabled()) {
                    log.warn(Localizer.getMessage(
                            "jsp.warning.unknown.element.in.variable", tname));
                }
            }
        }
        return new TagVariableInfo(nameGiven, nameFromAttribute,
                                   className, declare, scope);
    }

    private TagLibraryValidator createValidator(TreeNode elem)
            throws JasperException {

        String validatorClass = null;
        Map initParams = new Hashtable();

        Iterator list = elem.findChildren();
        while (list.hasNext()) {
            TreeNode element = (TreeNode) list.next();
            String tname = element.getName();
            if ("validator-class".equals(tname))
                validatorClass = element.getBody();
            else if ("init-param".equals(tname)) {
                String[] initParam = createInitParam(element);
                initParams.put(initParam[0], initParam[1]);
            } else if ("description".equals(tname) ||    // Ignored elements
                     false ) {
            } else {
                if (log.isWarnEnabled()) {
                    log.warn(Localizer.getMessage(
                            "jsp.warning.unknown.element.in.validator", tname));
                }
            }
        }

        TagLibraryValidator tlv = null;
        if (validatorClass != null && !validatorClass.equals("")) {
            try {
                Class tlvClass = 
                    ctxt.getClassLoader().loadClass(validatorClass);
                tlv = (TagLibraryValidator)tlvClass.newInstance();
            } catch (Exception e) {
                err.jspError("jsp.error.tlvclass.instantiation",
                             validatorClass, e);
            }
        }
        if (tlv != null) {
            tlv.setInitParameters(initParams);
        }
        return tlv;
    }

    String[] createInitParam(TreeNode elem) {
        String[] initParam = new String[2];
        
        Iterator list = elem.findChildren();
        while (list.hasNext()) {
            TreeNode element = (TreeNode) list.next();
            String tname = element.getName();
            if ("param-name".equals(tname)) {
                initParam[0] = element.getBody();
            } else if ("param-value".equals(tname)) {
                initParam[1] = element.getBody();
            } else if ("description".equals(tname)) {
                ; // Do nothing
            } else {
                if (log.isWarnEnabled()) {
                    log.warn(Localizer.getMessage(
                            "jsp.warning.unknown.element.in.initParam", tname));
                }
            }
        }
        return initParam;
    }

    FunctionInfo createFunctionInfo(TreeNode elem) {

        String name = null;
        String klass = null;
        String signature = null;

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

            if ("name".equals(tname)) {
                name = element.getBody();
            } else if ("function-class".equals(tname)) {
                klass = element.getBody();
            } else if ("function-signature".equals(tname)) {
                signature = element.getBody();
            } else if ("display-name".equals(tname) ||    // Ignored elements
                     "small-icon".equals(tname) ||
                     "large-icon".equals(tname) ||
                     "description".equals(tname) || 
                     "example".equals(tname)) {
            } else {
                if (log.isWarnEnabled()) {
                    log.warn(Localizer.getMessage(
                        "jsp.warning.unknown.element.in.function", tname));
                }
            }
        }

        return new FunctionInfo(name, klass, signature);
    }


    //*********************************************************************
    // Until javax.servlet.jsp.tagext.TagLibraryInfo is fixed

    /**
     * The instance (if any) for the TagLibraryValidator class.
     * 
     * @return The TagLibraryValidator instance, if any.
     */
    public TagLibraryValidator getTagLibraryValidator() {
        return tagLibraryValidator;
    }

    /**
     * Translation-time validation of the XML document
     * associated with the JSP page.
     * This is a convenience method on the associated 
     * TagLibraryValidator class.
     *
     * @param thePage The JSP page object
     * @return A string indicating whether the page is valid or not.
     */
    public ValidationMessage[] validate(PageData thePage) {
        TagLibraryValidator tlv = getTagLibraryValidator();
        if (tlv == null) return null;

        String uri = getURI();
        if (uri.startsWith("/")) {
            uri = URN_JSPTLD + uri;
        }

        return tlv.validate(getPrefixString(), uri, thePage);
    }

    protected TagLibraryValidator tagLibraryValidator; 
}