# HG changeset patch # User jjg # Date 1510873933 28800 # Node ID 6b1311fbbabac9b770220f43342ce1a070728f1e # Parent 7640bc1eb94f3246e040ccdedbefb176ebaff625 8190819: Merge HtmlWriter into HtmlDocument Reviewed-by: bpatel, ksrini diff -r 7640bc1eb94f -r 6b1311fbbaba src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/Contents.java --- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/Contents.java Thu Nov 16 15:06:17 2017 -0800 +++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/Contents.java Thu Nov 16 15:12:13 2017 -0800 @@ -28,6 +28,7 @@ import java.util.regex.Matcher; import java.util.regex.Pattern; +import jdk.javadoc.internal.doclets.formats.html.markup.Comment; import jdk.javadoc.internal.doclets.formats.html.markup.ContentBuilder; import jdk.javadoc.internal.doclets.formats.html.markup.FixedStringContent; import jdk.javadoc.internal.doclets.formats.html.markup.RawHtml; @@ -137,6 +138,7 @@ public final Content navProperty; public final Content navServices; public final Content nestedClassSummary; + public final Content newPage; public final Content nextClassLabel; public final Content nextLabel; public final Content nextLetter; @@ -269,6 +271,7 @@ navProperty = getContent("doclet.navProperty"); navServices = getContent("doclet.navServices"); nestedClassSummary = getContent("doclet.Nested_Class_Summary"); + newPage = new Comment(resources.getText("doclet.New_Page")); nextClassLabel = getNonBreakContent("doclet.Next_Class"); nextLabel = getNonBreakContent("doclet.Next"); nextLetter = getContent("doclet.Next_Letter"); diff -r 7640bc1eb94f -r 6b1311fbbaba src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/FrameOutputWriter.java --- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/FrameOutputWriter.java Thu Nov 16 15:06:17 2017 -0800 +++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/FrameOutputWriter.java Thu Nov 16 15:12:13 2017 -0800 @@ -34,6 +34,7 @@ import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree; import jdk.javadoc.internal.doclets.formats.html.markup.Script; import jdk.javadoc.internal.doclets.toolkit.Content; +import jdk.javadoc.internal.doclets.toolkit.util.DocFile; import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException; import jdk.javadoc.internal.doclets.toolkit.util.DocPath; import jdk.javadoc.internal.doclets.toolkit.util.DocPaths; @@ -127,10 +128,8 @@ * @throws DocFileIOException if there is an error writing the frames document */ private void printFramesDocument(String title, HtmlTree body) throws DocFileIOException { - Content htmlDocType = configuration.isOutputHtml5() - ? DocType.HTML5 - : DocType.TRANSITIONAL; - Content htmlComment = new Comment(configuration.getText("doclet.New_Page")); + DocType htmlDocType = DocType.forVersion(configuration.htmlVersion); + Content htmlComment = contents.newPage; Content head = new HtmlTree(HtmlTag.HEAD); head.addContent(getGeneratedBy(!configuration.notimestamp)); Content windowTitle = HtmlTree.TITLE(title); @@ -139,12 +138,11 @@ head.addContent(meta); addStyleSheetProperties(configuration, head); head.addContent(getFramesScript().asContent()); - Content htmlTree = HtmlTree.HTML(configuration.getLocale().getLanguage(), - head, body); - Content htmlDocument = new HtmlDocument(htmlDocType, - htmlComment, htmlTree); - write(htmlDocument); - } + + Content htmlTree = HtmlTree.HTML(configuration.getLocale().getLanguage(), head, body); + HtmlDocument htmlDocument = new HtmlDocument(htmlDocType, htmlComment, htmlTree); + htmlDocument.write(DocFile.createFileForOutput(configuration, path)); + } /** * Get the frame sizes and their contents. diff -r 7640bc1eb94f -r 6b1311fbbaba src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/HtmlDocletWriter.java --- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/HtmlDocletWriter.java Thu Nov 16 15:06:17 2017 -0800 +++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/HtmlDocletWriter.java Thu Nov 16 15:12:13 2017 -0800 @@ -410,10 +410,8 @@ */ public void printHtmlDocument(List metakeywords, boolean includeScript, Content body) throws DocFileIOException { - Content htmlDocType = configuration.isOutputHtml5() - ? DocType.HTML5 - : DocType.TRANSITIONAL; - Content htmlComment = new Comment(configuration.getText("doclet.New_Page")); + DocType htmlDocType = DocType.forVersion(configuration.htmlVersion); + Content htmlComment = contents.newPage; Content head = new HtmlTree(HtmlTag.HEAD); head.addContent(getGeneratedBy(!configuration.notimestamp)); head.addContent(HtmlTree.TITLE(winTitle)); @@ -434,11 +432,10 @@ } addStyleSheetProperties(head); addScriptProperties(head); - Content htmlTree = HtmlTree.HTML(configuration.getLocale().getLanguage(), - head, body); - Content htmlDocument = new HtmlDocument(htmlDocType, - htmlComment, htmlTree); - write(htmlDocument); + + Content htmlTree = HtmlTree.HTML(configuration.getLocale().getLanguage(), head, body); + HtmlDocument htmlDocument = new HtmlDocument(htmlDocType, htmlComment, htmlTree); + htmlDocument.write(DocFile.createFileForOutput(configuration, path)); } /** diff -r 7640bc1eb94f -r 6b1311fbbaba src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/IndexRedirectWriter.java --- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/IndexRedirectWriter.java Thu Nov 16 15:06:17 2017 -0800 +++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/IndexRedirectWriter.java Thu Nov 16 15:12:13 2017 -0800 @@ -35,6 +35,7 @@ import jdk.javadoc.internal.doclets.formats.html.markup.Script; import jdk.javadoc.internal.doclets.formats.html.markup.StringContent; import jdk.javadoc.internal.doclets.toolkit.Content; +import jdk.javadoc.internal.doclets.toolkit.util.DocFile; import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException; import jdk.javadoc.internal.doclets.toolkit.util.DocPath; import jdk.javadoc.internal.doclets.toolkit.util.DocPaths; @@ -65,10 +66,8 @@ * @throws DocFileIOException if there is a problem generating the file */ void generateIndexFile() throws DocFileIOException { - Content htmlDocType = configuration.isOutputHtml5() - ? DocType.HTML5 - : DocType.TRANSITIONAL; - Content htmlComment = new Comment(configuration.getText("doclet.New_Page")); + DocType htmlDocType = DocType.forVersion(configuration.htmlVersion); + Content htmlComment = contents.newPage; Content head = new HtmlTree(HtmlTag.HEAD); head.addContent(getGeneratedBy(!configuration.notimestamp)); @@ -111,11 +110,8 @@ body.addContent(bodyContent); } - Content htmlTree = HtmlTree.HTML(configuration.getLocale().getLanguage(), - head, body); - Content htmlDocument = new HtmlDocument(htmlDocType, - htmlComment, htmlTree); - write(htmlDocument); - + Content htmlTree = HtmlTree.HTML(configuration.getLocale().getLanguage(), head, body); + HtmlDocument htmlDocument = new HtmlDocument(htmlDocType, htmlComment, htmlTree); + htmlDocument.write(DocFile.createFileForOutput(configuration, path)); } } diff -r 7640bc1eb94f -r 6b1311fbbaba src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/SourceToHTMLConverter.java --- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/SourceToHTMLConverter.java Thu Nov 16 15:06:17 2017 -0800 +++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/SourceToHTMLConverter.java Thu Nov 16 15:12:13 2017 -0800 @@ -208,23 +208,15 @@ * @param path the path for the file. */ private void writeToFile(Content body, DocPath path) throws DocFileIOException { - Content htmlDocType = configuration.isOutputHtml5() - ? DocType.HTML5 - : DocType.TRANSITIONAL; + DocType htmlDocType = DocType.forVersion(configuration.htmlVersion); Content head = new HtmlTree(HtmlTag.HEAD); head.addContent(HtmlTree.TITLE(resources.getText("doclet.Window_Source_title"))); addStyleSheetProperties(head); Content htmlTree = HtmlTree.HTML(configuration.getLocale().getLanguage(), head, body); - Content htmlDocument = new HtmlDocument(htmlDocType, htmlTree); + HtmlDocument htmlDocument = new HtmlDocument(htmlDocType, htmlTree); messages.notice("doclet.Generating_0", path.getPath()); - DocFile df = DocFile.createFileForOutput(configuration, path); - try (Writer w = df.openWriter()) { - htmlDocument.write(w, true); - } catch (IOException e) { - throw new DocFileIOException(df, DocFileIOException.Mode.WRITE, e); - } - + htmlDocument.write(DocFile.createFileForOutput(configuration, path)); } /** diff -r 7640bc1eb94f -r 6b1311fbbaba src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/DocType.java --- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/DocType.java Thu Nov 16 15:06:17 2017 -0800 +++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/DocType.java Thu Nov 16 15:12:13 2017 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2010, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -25,14 +25,8 @@ package jdk.javadoc.internal.doclets.formats.html.markup; -import java.io.IOException; -import java.io.Writer; - -import jdk.javadoc.internal.doclets.toolkit.Content; -import jdk.javadoc.internal.doclets.toolkit.util.DocletConstants; - /** - * Class for generating document type for HTML pages of javadoc output. + * Supported DOCTYPE declarations. * *

This is NOT part of any supported API. * If you write code that depends on this, you do so at your own risk. @@ -41,67 +35,22 @@ * * @author Bhavesh Patel */ -public class DocType extends Content { - - private String docType; - - public static final DocType TRANSITIONAL = - new DocType("Transitional", "http://www.w3.org/TR/html4/loose.dtd"); - - public static final DocType HTML5 = new DocType(); +public enum DocType { + HTML4_TRANSITIONAL(""), + HTML5(""); - /** - * Constructor to construct a DocType object. - * - * @param type the doctype to be added - * @param dtd the dtd of the doctype - */ - private DocType(String type, String dtd) { - docType = "" + DocletConstants.NL; - } + public final String text; - /** - * Constructor to construct a DocType object. - */ - private DocType() { - docType = "" + DocletConstants.NL; + DocType(String text) { + this.text = text; } - /** - * This method is not supported by the class. - * - * @param content content that needs to be added - * @throws UnsupportedOperationException always - */ - public void addContent(Content content) { - throw new UnsupportedOperationException(); - } - - /** - * This method is not supported by the class. - * - * @param stringContent string content that needs to be added - * @throws UnsupportedOperationException always - */ - @Override - public void addContent(CharSequence stringContent) { - throw new UnsupportedOperationException(); - } - - /** - * {@inheritDoc} - */ - public boolean isEmpty() { - return (docType.length() == 0); - } - - /** - * {@inheritDoc} - */ - @Override - public boolean write(Writer out, boolean atNewline) throws IOException { - out.write(docType); - return true; // guaranteed by constructor + public static DocType forVersion(HtmlVersion v) { + switch (v) { + case HTML4: return HTML4_TRANSITIONAL; + case HTML5: return HTML5; + default: throw new IllegalArgumentException(); + } } } diff -r 7640bc1eb94f -r 6b1311fbbaba src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlDocWriter.java --- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlDocWriter.java Thu Nov 16 15:06:17 2017 -0800 +++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlDocWriter.java Thu Nov 16 15:12:13 2017 -0800 @@ -54,7 +54,7 @@ * @author Atul M Dambalkar * @author Robert Field */ -public abstract class HtmlDocWriter extends HtmlWriter { +public abstract class HtmlDocWriter { public static final String CONTENT_TYPE = "text/html"; @@ -62,14 +62,12 @@ private final DocPath pathToRoot; /** - * Constructor. Initializes the destination file name through the super - * class HtmlWriter. + * Constructor. * * @param configuration the configuration for this doclet - * @param filename String file name. + * @param filename the path for the output file */ public HtmlDocWriter(HtmlConfiguration configuration, DocPath filename) { - super(configuration, filename); this.configuration = configuration; this.pathToRoot = filename.parent().invert(); Messages messages = configuration.getMessages(); diff -r 7640bc1eb94f -r 6b1311fbbaba src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlDocument.java --- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlDocument.java Thu Nov 16 15:06:17 2017 -0800 +++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlDocument.java Thu Nov 16 15:12:13 2017 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2010, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -26,10 +26,14 @@ package jdk.javadoc.internal.doclets.formats.html.markup; import java.io.IOException; +import java.io.StringWriter; import java.io.Writer; import java.util.*; import jdk.javadoc.internal.doclets.toolkit.Content; +import jdk.javadoc.internal.doclets.toolkit.util.DocFile; +import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException; +import jdk.javadoc.internal.doclets.toolkit.util.DocletConstants; /** * Class for generating an HTML document for javadoc output. @@ -41,9 +45,9 @@ * * @author Bhavesh Patel */ -public class HtmlDocument extends Content { - - private List docContent = Collections.emptyList(); +public class HtmlDocument { + private final DocType docType; + private final List docContent; /** * Constructor to construct an HTML document. @@ -52,11 +56,9 @@ * @param docComment comment for the document * @param htmlTree HTML tree of the document */ - public HtmlDocument(Content docType, Content docComment, Content htmlTree) { - docContent = new ArrayList<>(); - addContent(nullCheck(docType)); - addContent(nullCheck(docComment)); - addContent(nullCheck(htmlTree)); + public HtmlDocument(DocType docType, Content docComment, Content htmlTree) { + this.docType = docType; + docContent = Arrays.asList(docComment, htmlTree); } /** @@ -65,46 +67,41 @@ * @param docType document type for the HTML document * @param htmlTree HTML tree of the document */ - public HtmlDocument(Content docType, Content htmlTree) { - docContent = new ArrayList<>(); - addContent(nullCheck(docType)); - addContent(nullCheck(htmlTree)); - } - - /** - * Adds content for the HTML document. - * - * @param htmlContent html content to be added - */ - public final void addContent(Content htmlContent) { - if (htmlContent.isValid()) - docContent.add(htmlContent); + public HtmlDocument(DocType docType, Content htmlTree) { + this.docType = docType; + docContent = Collections.singletonList(htmlTree); } /** - * This method is not supported by the class. + * Writes the content of this document to the specified file. * - * @param stringContent string content that needs to be added - * @throws UnsupportedOperationException always + * @param docFile the file + * @throws DocFileIOException if an {@code IOException} occurs while writing the file */ - @Override - public void addContent(CharSequence stringContent) { - throw new UnsupportedOperationException(); + public void write(DocFile docFile) throws DocFileIOException { + try (Writer writer = docFile.openWriter()) { + write(writer); + } catch (IOException e) { + throw new DocFileIOException(docFile, DocFileIOException.Mode.WRITE, e); + } } - /** - * {@inheritDoc} - */ - public boolean isEmpty() { - return (docContent.isEmpty()); + @Override + public String toString() { + try (Writer writer = new StringWriter()) { + write(writer); + return writer.toString(); + } catch (IOException e) { + throw new Error(e); + } } - /** - * {@inheritDoc} - */ - public boolean write(Writer out, boolean atNewline) throws IOException { - for (Content c : docContent) - atNewline = c.write(out, atNewline); - return atNewline; + private void write(Writer writer) throws IOException { + writer.write(docType.text); + writer.write(DocletConstants.NL); + boolean atNewline = true; + for (Content c : docContent) { + atNewline = c.write(writer, atNewline); + } } } diff -r 7640bc1eb94f -r 6b1311fbbaba src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlWriter.java --- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlWriter.java Thu Nov 16 15:06:17 2017 -0800 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,72 +0,0 @@ -/* - * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -package jdk.javadoc.internal.doclets.formats.html.markup; - -import java.io.*; - -import jdk.javadoc.internal.doclets.formats.html.HtmlConfiguration; -import jdk.javadoc.internal.doclets.toolkit.Content; -import jdk.javadoc.internal.doclets.toolkit.util.DocFile; -import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException; -import jdk.javadoc.internal.doclets.toolkit.util.DocPath; - - -/** - * Class for the HTML format code generation. - * Initializes PrintWriter with FileWriter, to enable print - * related methods to generate the code to the named File through FileWriter. - * - *

This is NOT part of any supported API. - * If you write code that depends on this, you do so at your own risk. - * This code and its internal interfaces are subject to change or - * deletion without notice. - * - * @author Atul M Dambalkar - * @author Bhavesh Patel (Modified) - */ -public class HtmlWriter { - - private final DocFile docFile; - - /** - * Constructor. - * - * @param configuration the configuration - * @param path the directory path to be created for this file, - * or null if none to be created - */ - public HtmlWriter(HtmlConfiguration configuration, DocPath path) { - docFile = DocFile.createFileForOutput(configuration, path); - } - - public void write(Content c) throws DocFileIOException { - try (Writer writer = docFile.openWriter()) { - c.write(writer, true); - } catch (IOException e) { - throw new DocFileIOException(docFile, DocFileIOException.Mode.WRITE, e); - } - } -} diff -r 7640bc1eb94f -r 6b1311fbbaba src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/Script.java --- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/Script.java Thu Nov 16 15:06:17 2017 -0800 +++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/Script.java Thu Nov 16 15:12:13 2017 -0800 @@ -60,7 +60,7 @@ } /** - * Appends the given code to the content. + * Appends the given code to the script. * * @param code the code * @return this object @@ -71,7 +71,7 @@ } /** - * Appends the given text as a string constant to the content. + * Appends the given text as a string constant to the string. * Characters within the string will be escaped as needed. * * @param text the text @@ -83,7 +83,7 @@ } /** - * Appends the given text as a string constant to the content. + * Appends the given text as a string constant to the string. * Characters within the string will be escaped as needed. * * @param text the text @@ -98,6 +98,12 @@ return this; } + /** + * Returns a "live" view of the script as a {@code Content} object. + * Any later modifications to the script will be reflected in the + * object that is returned. + * @return the script, as a {@code Content} object. + */ public Content asContent() { ScriptContent scriptContent = new ScriptContent(sb); HtmlTree tree = new HtmlTree(HtmlTag.SCRIPT) { @@ -119,21 +125,23 @@ } /** - * Returns a String with escaped special JavaScript characters. + * Returns a JavaScript string literal containing a specified string, + * escaping the characters of that string as needed. * - * @param s String that needs to be escaped - * @return a valid escaped JavaScript string + * @param s the string + * @return a string literal containing the string */ public static String stringLiteral(CharSequence s) { return stringLiteral(s, '"'); } /** - * Returns a String with escaped special JavaScript characters. + * Returns a JavaScript string literal containing a specified string, + * escaping the characters of that string as needed. * - * @param s String that needs to be escaped + * @param s the string * @param quoteChar the quote character to use for the literal - * @return a valid escaped JavaScript string + * @return a string literal containing the string */ // The ability to specify the quote character is for backwards // compatibility. Ideally, we should simplify the code so that diff -r 7640bc1eb94f -r 6b1311fbbaba test/langtools/jdk/javadoc/doclet/testHtmlDocument/TestHtmlDocument.java --- a/test/langtools/jdk/javadoc/doclet/testHtmlDocument/TestHtmlDocument.java Thu Nov 16 15:06:17 2017 -0800 +++ b/test/langtools/jdk/javadoc/doclet/testHtmlDocument/TestHtmlDocument.java Thu Nov 16 15:12:13 2017 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2010, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -69,7 +69,7 @@ // Generate the HTML output using the HTML document generation within doclet. public static String generateHtmlTree() { // Document type for the HTML document - DocType htmlDocType = DocType.TRANSITIONAL; + DocType htmlDocType = DocType.HTML4_TRANSITIONAL; HtmlTree html = new HtmlTree(HtmlTag.HTML); HtmlTree head = new HtmlTree(HtmlTag.HEAD); HtmlTree title = new HtmlTree(HtmlTag.TITLE);