| /* |
| * Copyright (c) 2010, 2016, 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.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. |
| * |
| * <p><b>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.</b> |
| * |
| * @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(); |
| |
| /** |
| * 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 = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 " + type + |
| "//EN\" \"" + dtd + "\">" + DocletConstants.NL; |
| } |
| |
| /** |
| * Constructor to construct a DocType object. |
| */ |
| private DocType() { |
| docType = "<!DOCTYPE HTML>" + DocletConstants.NL; |
| } |
| |
| /** |
| * 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 |
| } |
| } |