| /* |
| * Copyright (c) 2019, 2020, 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; |
| |
| import com.sun.source.doctree.DocTree; |
| import jdk.javadoc.internal.doclets.formats.html.markup.BodyContents; |
| 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.HtmlStyle; |
| import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree; |
| import jdk.javadoc.internal.doclets.formats.html.Navigation.PageMode; |
| import jdk.javadoc.internal.doclets.formats.html.markup.StringContent; |
| import jdk.javadoc.internal.doclets.formats.html.markup.Table; |
| import jdk.javadoc.internal.doclets.formats.html.markup.TableHeader; |
| import jdk.javadoc.internal.doclets.toolkit.Content; |
| import jdk.javadoc.internal.doclets.toolkit.DocletElement; |
| import jdk.javadoc.internal.doclets.toolkit.OverviewElement; |
| import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException; |
| import jdk.javadoc.internal.doclets.toolkit.util.DocPath; |
| import jdk.javadoc.internal.doclets.toolkit.util.DocPaths; |
| import jdk.javadoc.internal.doclets.toolkit.util.IndexItem; |
| |
| import javax.lang.model.element.Element; |
| import java.nio.file.Path; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.TreeMap; |
| import java.util.WeakHashMap; |
| |
| import static java.util.stream.Collectors.groupingBy; |
| import static java.util.stream.Collectors.toList; |
| |
| /** |
| * Generates the file with the summary of all the system properties. |
| * |
| * <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> |
| */ |
| public class SystemPropertiesWriter extends HtmlDocletWriter { |
| |
| private final Navigation navBar; |
| |
| /** |
| * Cached contents of {@code <title>...</title>} tags of the HTML pages. |
| */ |
| final Map<Element, String> titles = new WeakHashMap<>(); |
| |
| /** |
| * Constructs SystemPropertiesWriter object. |
| * |
| * @param configuration The current configuration |
| * @param filename Path to the file which is getting generated. |
| */ |
| public SystemPropertiesWriter(HtmlConfiguration configuration, DocPath filename) { |
| super(configuration, filename); |
| this.navBar = new Navigation(null, configuration, PageMode.SYSTEM_PROPERTIES, path); |
| } |
| |
| public static void generate(HtmlConfiguration configuration) throws DocFileIOException { |
| generate(configuration, DocPaths.SYSTEM_PROPERTIES); |
| } |
| |
| private static void generate(HtmlConfiguration configuration, DocPath fileName) throws DocFileIOException { |
| boolean hasSystemProperties = configuration.mainIndex != null |
| && !configuration.mainIndex.getItems(DocTree.Kind.SYSTEM_PROPERTY).isEmpty(); |
| if (!hasSystemProperties) { |
| // Cannot defer this check any further, because of the super() call |
| // that prints out notices on creating files, etc. |
| // |
| // There is probably a better place for this kind of checks (see how |
| // this is achieved in other "optional" pages, like Constant Values |
| // and Serialized Form). |
| return; |
| } |
| SystemPropertiesWriter systemPropertiesGen = new SystemPropertiesWriter(configuration, fileName); |
| systemPropertiesGen.buildSystemPropertiesPage(); |
| configuration.conditionalPages.add(HtmlConfiguration.ConditionalPage.SYSTEM_PROPERTIES); |
| } |
| |
| /** |
| * Prints all the system properties to the file. |
| */ |
| protected void buildSystemPropertiesPage() throws DocFileIOException { |
| String title = resources.getText("doclet.systemProperties"); |
| HtmlTree body = getBody(getWindowTitle(title)); |
| Content headerContent = new ContentBuilder(); |
| addTop(headerContent); |
| navBar.setUserHeader(getUserHeaderFooter(true)); |
| headerContent.add(navBar.getContent(Navigation.Position.TOP)); |
| Content mainContent = new ContentBuilder(); |
| addSystemProperties(mainContent); |
| Content footer = HtmlTree.FOOTER(); |
| navBar.setUserFooter(getUserHeaderFooter(false)); |
| footer.add(navBar.getContent(Navigation.Position.BOTTOM)); |
| addBottom(footer); |
| body.add(new BodyContents() |
| .setHeader(headerContent) |
| .addMainContent(HtmlTree.DIV(HtmlStyle.header, |
| HtmlTree.HEADING(Headings.PAGE_TITLE_HEADING, |
| contents.getContent("doclet.systemProperties")))) |
| .addMainContent(mainContent) |
| .setFooter(footer)); |
| printHtmlDocument(null, "system properties", body); |
| |
| if (configuration.mainIndex != null) { |
| configuration.mainIndex.add(IndexItem.of(IndexItem.Category.TAGS, title, path)); |
| } |
| } |
| |
| /** |
| * Adds all the system properties to the content tree. |
| * |
| * @param content HtmlTree content to which the links will be added |
| */ |
| protected void addSystemProperties(Content content) { |
| Map<String, List<IndexItem>> searchIndexMap = groupSystemProperties(); |
| Content separator = new StringContent(", "); |
| Table table = new Table(HtmlStyle.summaryTable) |
| .setCaption(contents.systemPropertiesSummaryLabel) |
| .setHeader(new TableHeader(contents.propertyLabel, contents.referencedIn)) |
| .setColumnStyles(HtmlStyle.colFirst, HtmlStyle.colLast); |
| for (Entry<String, List<IndexItem>> entry : searchIndexMap.entrySet()) { |
| Content propertyName = new StringContent(entry.getKey()); |
| List<IndexItem> searchIndexItems = entry.getValue(); |
| Content separatedReferenceLinks = new ContentBuilder(); |
| separatedReferenceLinks.add(createLink(searchIndexItems.get(0))); |
| for (int i = 1; i < searchIndexItems.size(); i++) { |
| separatedReferenceLinks.add(separator); |
| separatedReferenceLinks.add(createLink(searchIndexItems.get(i))); |
| } |
| table.addRow(propertyName, HtmlTree.DIV(HtmlStyle.block, separatedReferenceLinks)); |
| } |
| content.add(table); |
| } |
| |
| private Map<String, List<IndexItem>> groupSystemProperties() { |
| return configuration.mainIndex.getItems(DocTree.Kind.SYSTEM_PROPERTY).stream() |
| .collect(groupingBy(IndexItem::getLabel, TreeMap::new, toList())); |
| } |
| |
| private Content createLink(IndexItem i) { |
| assert i.getDocTree().getKind() == DocTree.Kind.SYSTEM_PROPERTY : i; |
| Element element = i.getElement(); |
| if (element instanceof OverviewElement) { |
| return links.createLink(pathToRoot.resolve(i.getUrl()), |
| resources.getText("doclet.Overview")); |
| } else if (element instanceof DocletElement) { |
| DocletElement e = (DocletElement) element; |
| // Implementations of DocletElement do not override equals and |
| // hashCode; putting instances of DocletElement in a map is not |
| // incorrect, but might well be inefficient |
| String t = titles.computeIfAbsent(element, utils::getHTMLTitle); |
| if (t.isBlank()) { |
| // The user should probably be notified (a warning?) that this |
| // file does not have a title |
| Path p = Path.of(e.getFileObject().toUri()); |
| t = p.getFileName().toString(); |
| } |
| ContentBuilder b = new ContentBuilder(); |
| b.add(HtmlTree.CODE(new FixedStringContent(i.getHolder() + ": "))); |
| // non-program elements should be displayed using a normal font |
| b.add(t); |
| return links.createLink(pathToRoot.resolve(i.getUrl()), b); |
| } else { |
| // program elements should be displayed using a code font |
| Content link = links.createLink(pathToRoot.resolve(i.getUrl()), i.getHolder()); |
| return HtmlTree.CODE(link); |
| } |
| } |
| } |