Examples with TagInfo jakarta.servlet.jsp.tagext.TagInfo used on opensource projects

Example 1 with TagInfo

use of jakarta.servlet.jsp.tagext.TagInfo in project tomcat by apache.

the class ImplicitTagLibraryInfo method getTagFile.

/**
 * Checks to see if the given tag name maps to a tag file path,
 * and if so, parses the corresponding tag file.
 *
 * @return The TagFileInfo corresponding to the given tag name, or null if
 * the given tag name is not implemented as a tag file
 */
@Override
public TagFileInfo getTagFile(String shortName) {
    TagFileInfo tagFile = super.getTagFile(shortName);
    if (tagFile == null) {
        String path = tagFileMap.get(shortName);
        if (path == null) {
            return null;
        }
        TagInfo tagInfo = null;
        try {
            tagInfo = TagFileProcessor.parseTagFileDirectives(pc, shortName, path, null, this);
        } catch (JasperException je) {
            throw new RuntimeException(je.toString(), je);
        }
        tagFile = new TagFileInfo(shortName, path, tagInfo);
        vec.addElement(tagFile);
        this.tagFiles = new TagFileInfo[vec.size()];
        vec.copyInto(this.tagFiles);
    }
    return tagFile;
}

Example 2 with TagInfo

use of jakarta.servlet.jsp.tagext.TagInfo in project tomcat by apache.

the class JspDocumentParser method parseCustomAction.

/*
     * Checks if the XML element with the given tag name is a custom action,
     * and returns the corresponding Node object.
     */
private Node parseCustomAction(String qName, String localName, String uri, Attributes nonTaglibAttrs, Attributes nonTaglibXmlnsAttrs, Attributes taglibAttrs, Mark start, Node parent) throws SAXException {
    // Check if this is a user-defined (custom) tag
    TagLibraryInfo tagLibInfo = pageInfo.getTaglib(uri);
    if (tagLibInfo == null) {
        return null;
    }
    TagInfo tagInfo = tagLibInfo.getTag(localName);
    TagFileInfo tagFileInfo = tagLibInfo.getTagFile(localName);
    if (tagInfo == null && tagFileInfo == null) {
        throw new SAXParseException(Localizer.getMessage("jsp.error.xml.bad_tag", localName, uri), locator);
    }
    Class<?> tagHandlerClass = null;
    if (tagInfo != null) {
        String handlerClassName = tagInfo.getTagClassName();
        try {
            tagHandlerClass = ctxt.getClassLoader().loadClass(handlerClassName);
        } catch (Exception e) {
            throw new SAXParseException(Localizer.getMessage("jsp.error.loadclass.taghandler", handlerClassName, qName), locator, e);
        }
    }
    String prefix = getPrefix(qName);
    Node.CustomTag ret = null;
    if (tagInfo != null) {
        ret = new Node.CustomTag(qName, prefix, localName, uri, nonTaglibAttrs, nonTaglibXmlnsAttrs, taglibAttrs, start, parent, tagInfo, tagHandlerClass);
    } else {
        ret = new Node.CustomTag(qName, prefix, localName, uri, nonTaglibAttrs, nonTaglibXmlnsAttrs, taglibAttrs, start, parent, tagFileInfo);
    }
    return ret;
}

Example 3 with TagInfo

use of jakarta.servlet.jsp.tagext.TagInfo in project tomcat by apache.

the class TagLibraryInfoImpl method toString.

@Override
public String toString() {
    StringWriter sw = new StringWriter();
    PrintWriter out = new PrintWriter(sw);
    print("tlibversion", tlibversion, out);
    print("jspversion", jspversion, out);
    print("shortname", shortname, out);
    print("urn", urn, out);
    print("info", info, out);
    print("uri", uri, out);
    print("tagLibraryValidator", "" + tagLibraryValidator, out);
    for (TagInfo tag : tags) {
        out.println(tag.toString());
    }
    for (TagFileInfo tagFile : tagFiles) {
        out.println(tagFile.toString());
    }
    for (FunctionInfo function : functions) {
        out.println(function.toString());
    }
    return sw.toString();
}

Example 4 with TagInfo

use of jakarta.servlet.jsp.tagext.TagInfo in project tomcat by apache.

the class Parser method getAttributeBodyType.

/**
 * Determine the body type of <jsp:attribute> from the enclosing node
 */
private String getAttributeBodyType(Node n, String name) {
    if (n instanceof Node.CustomTag) {
        TagInfo tagInfo = ((Node.CustomTag) n).getTagInfo();
        TagAttributeInfo[] tldAttrs = tagInfo.getAttributes();
        for (TagAttributeInfo tldAttr : tldAttrs) {
            if (name.equals(tldAttr.getName())) {
                if (tldAttr.isFragment()) {
                    return TagInfo.BODY_CONTENT_SCRIPTLESS;
                }
                if (tldAttr.canBeRequestTime()) {
                    return TagInfo.BODY_CONTENT_JSP;
                }
            }
        }
        if (tagInfo.hasDynamicAttributes()) {
            return TagInfo.BODY_CONTENT_JSP;
        }
    } else if (n instanceof Node.IncludeAction) {
        if ("page".equals(name)) {
            return TagInfo.BODY_CONTENT_JSP;
        }
    } else if (n instanceof Node.ForwardAction) {
        if ("page".equals(name)) {
            return TagInfo.BODY_CONTENT_JSP;
        }
    } else if (n instanceof Node.SetProperty) {
        if ("value".equals(name)) {
            return TagInfo.BODY_CONTENT_JSP;
        }
    } else if (n instanceof Node.UseBean) {
        if ("beanName".equals(name)) {
            return TagInfo.BODY_CONTENT_JSP;
        }
    } else if (n instanceof Node.PlugIn) {
        if ("width".equals(name) || "height".equals(name)) {
            return TagInfo.BODY_CONTENT_JSP;
        }
    } else if (n instanceof Node.ParamAction) {
        if ("value".equals(name)) {
            return TagInfo.BODY_CONTENT_JSP;
        }
    } else if (n instanceof Node.JspElement) {
        return TagInfo.BODY_CONTENT_JSP;
    }
    return JAVAX_BODY_CONTENT_TEMPLATE_TEXT;
}

Example 5 with TagInfo

use of jakarta.servlet.jsp.tagext.TagInfo in project tomcat by apache.

the class Parser method parseCustomTag.

/*
     * # '<' CustomAction CustomActionBody
     *
     * CustomAction ::= TagPrefix ':' CustomActionName
     *
     * TagPrefix ::= Name
     *
     * CustomActionName ::= Name
     *
     * CustomActionBody ::= ( Attributes CustomActionEnd ) | <TRANSLATION_ERROR>
     *
     * Attributes ::= ( S Attribute )* S?
     *
     * CustomActionEnd ::= CustomActionTagDependent | CustomActionJSPContent |
     * CustomActionScriptlessContent
     *
     * CustomActionTagDependent ::= TagDependentOptionalBody
     *
     * CustomActionJSPContent ::= OptionalBody
     *
     * CustomActionScriptlessContent ::= ScriptlessOptionalBody
     */
// tagFileInfo can't be null after initial test
@SuppressWarnings("null")
private boolean parseCustomTag(Node parent) throws JasperException {
    if (reader.peekChar() != '<') {
        return false;
    }
    // Parse 'CustomAction' production (tag prefix and custom action name)
    // skip '<'
    reader.nextChar();
    String tagName = reader.parseToken(false);
    int i = tagName.indexOf(':');
    if (i == -1) {
        reader.reset(start);
        return false;
    }
    String prefix = tagName.substring(0, i);
    String shortTagName = tagName.substring(i + 1);
    // Check if this is a user-defined tag.
    String uri = pageInfo.getURI(prefix);
    if (uri == null) {
        if (pageInfo.isErrorOnUndeclaredNamespace()) {
            err.jspError(start, "jsp.error.undeclared_namespace", prefix);
        } else {
            reader.reset(start);
            // Remember the prefix for later error checking
            pageInfo.putNonCustomTagPrefix(prefix, reader.mark());
            return false;
        }
    }
    TagLibraryInfo tagLibInfo = pageInfo.getTaglib(uri);
    TagInfo tagInfo = tagLibInfo.getTag(shortTagName);
    TagFileInfo tagFileInfo = tagLibInfo.getTagFile(shortTagName);
    if (tagInfo == null && tagFileInfo == null) {
        err.jspError(start, "jsp.error.bad_tag", shortTagName, prefix);
    }
    Class<?> tagHandlerClass = null;
    if (tagInfo != null) {
        // Must be a classic tag, load it here.
        // tag files will be loaded later, in TagFileProcessor
        String handlerClassName = tagInfo.getTagClassName();
        try {
            tagHandlerClass = ctxt.getClassLoader().loadClass(handlerClassName);
        } catch (Exception e) {
            err.jspError(start, "jsp.error.loadclass.taghandler", handlerClassName, tagName);
        }
    }
    // Parse 'CustomActionBody' production:
    // At this point we are committed - if anything fails, we produce
    // a translation error.
    // Parse 'Attributes' production:
    Attributes attrs = parseAttributes();
    reader.skipSpaces();
    // Parse 'CustomActionEnd' production:
    if (reader.matches("/>")) {
        if (tagInfo != null) {
            @SuppressWarnings("unused") Node unused = new Node.CustomTag(tagName, prefix, shortTagName, uri, attrs, start, parent, tagInfo, tagHandlerClass);
        } else {
            @SuppressWarnings("unused") Node unused = new Node.CustomTag(tagName, prefix, shortTagName, uri, attrs, start, parent, tagFileInfo);
        }
        return true;
    }
    // Now we parse one of 'CustomActionTagDependent',
    // 'CustomActionJSPContent', or 'CustomActionScriptlessContent'.
    // depending on body-content in TLD.
    // Looking for a body, it still can be empty; but if there is a
    // a tag body, its syntax would be dependent on the type of
    // body content declared in the TLD.
    String bc;
    if (tagInfo != null) {
        bc = tagInfo.getBodyContent();
    } else {
        bc = tagFileInfo.getTagInfo().getBodyContent();
    }
    Node tagNode = null;
    if (tagInfo != null) {
        tagNode = new Node.CustomTag(tagName, prefix, shortTagName, uri, attrs, start, parent, tagInfo, tagHandlerClass);
    } else {
        tagNode = new Node.CustomTag(tagName, prefix, shortTagName, uri, attrs, start, parent, tagFileInfo);
    }
    parseOptionalBody(tagNode, tagName, bc);
    return true;
}