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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package jdk.javadoc.internal.doclets.formats.html;

import javax.lang.model.element.PackageElement;

import jdk.javadoc.internal.doclets.formats.html.markup.HtmlConstants;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlStyle;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTag;
import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree;
import jdk.javadoc.internal.doclets.formats.html.markup.Links;
import jdk.javadoc.internal.doclets.toolkit.Content;
import jdk.javadoc.internal.doclets.toolkit.util.ClassTree;
import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException;
import jdk.javadoc.internal.doclets.toolkit.util.DocPath;
import jdk.javadoc.internal.doclets.toolkit.util.DocPaths;



Class to generate Tree page for a package. The name of the file generated is
"package-tree.html" and it is generated in the respective package directory.
 
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, Bhavesh Patel (Modified)
/**
 * Class to generate Tree page for a package. The name of the file generated is
 * "package-tree.html" and it is generated in the respective package directory.
 *
 *  <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 Atul M Dambalkar
 * @author Bhavesh Patel (Modified)
 */
public class PackageTreeWriter extends AbstractTreeWriter {

    
Package for which tree is to be generated.

/**
     * Package for which tree is to be generated.
     */
    protected PackageElement packageElement;

    
The previous package name in the alpha-order list.

/**
     * The previous package name in the alpha-order list.
     */
    protected PackageElement prev;

    
The next package name in the alpha-order list.

/**
     * The next package name in the alpha-order list.
     */
    protected PackageElement next;

    
Constructor.

Params:
  • configuration – the configuration
  • path – the docpath to generate files into
  • packageElement – the current package
  • prev – the previous package
  • next – the next package
/**
     * Constructor.
     * @param configuration the configuration
     * @param path the docpath to generate files into
     * @param packageElement the current package
     * @param prev the previous package
     * @param next the next package
     */
    public PackageTreeWriter(HtmlConfiguration configuration,
                             DocPath path,
                             PackageElement packageElement,
                             PackageElement prev, PackageElement next) {
        super(configuration, path,
              new ClassTree(configuration.typeElementCatalog.allClasses(packageElement), configuration));
        this.packageElement = packageElement;
        this.prev = prev;
        this.next = next;
    }

    
Construct a PackageTreeWriter object and then use it to generate the
package tree page.

Params:
  • configuration – the configuration for this run.
  • pkg –      Package for which tree file is to be generated.
  • prev –     Previous package in the alpha-ordered list.
  • next –     Next package in the alpha-ordered list.
  • noDeprecated –  If true, do not generate any information for
deprecated classe or interfaces.
Throws:
/**
     * Construct a PackageTreeWriter object and then use it to generate the
     * package tree page.
     *
     * @param configuration the configuration for this run.
     * @param pkg      Package for which tree file is to be generated.
     * @param prev     Previous package in the alpha-ordered list.
     * @param next     Next package in the alpha-ordered list.
     * @param noDeprecated  If true, do not generate any information for
     * deprecated classe or interfaces.
     * @throws DocFileIOException if there is a problem generating the package tree page
     */
    public static void generate(HtmlConfiguration configuration,
                                PackageElement pkg, PackageElement prev,
                                PackageElement next, boolean noDeprecated)
            throws DocFileIOException {
        DocPath path = DocPath.forPackage(pkg).resolve(DocPaths.PACKAGE_TREE);
        PackageTreeWriter packgen = new PackageTreeWriter(configuration, path, pkg, prev, next);
        packgen.generatePackageTreeFile();
    }

    
Generate a separate tree file for each package.

Throws:
  • DocFileIOException – if there is a problem generating the package tree file
/**
     * Generate a separate tree file for each package.
     * @throws DocFileIOException if there is a problem generating the package tree file
     */
    protected void generatePackageTreeFile() throws DocFileIOException {
        HtmlTree body = getPackageTreeHeader();
        HtmlTree htmlTree = (configuration.allowTag(HtmlTag.MAIN))
                ? HtmlTree.MAIN()
                : body;
        Content headContent = contents.getContent("doclet.Hierarchy_For_Package",
                utils.getPackageName(packageElement));
        Content heading = HtmlTree.HEADING(HtmlConstants.TITLE_HEADING, false,
                HtmlStyle.title, headContent);
        Content div = HtmlTree.DIV(HtmlStyle.header, heading);
        if (configuration.packages.size() > 1) {
            addLinkToMainTree(div);
        }
        htmlTree.addContent(div);
        HtmlTree divTree = new HtmlTree(HtmlTag.DIV);
        divTree.setStyle(HtmlStyle.contentContainer);
        addTree(classtree.baseClasses(), "doclet.Class_Hierarchy", divTree);
        addTree(classtree.baseInterfaces(), "doclet.Interface_Hierarchy", divTree);
        addTree(classtree.baseAnnotationTypes(), "doclet.Annotation_Type_Hierarchy", divTree);
        addTree(classtree.baseEnums(), "doclet.Enum_Hierarchy", divTree, true);
        htmlTree.addContent(divTree);
        if (configuration.allowTag(HtmlTag.MAIN)) {
            body.addContent(htmlTree);
        }
        HtmlTree tree = (configuration.allowTag(HtmlTag.FOOTER))
                ? HtmlTree.FOOTER()
                : body;
        addNavLinks(false, tree);
        addBottom(tree);
        if (configuration.allowTag(HtmlTag.FOOTER)) {
            body.addContent(tree);
        }
        printHtmlDocument(null, true, body);
    }

    
Get the package tree header.

Returns:a content tree for the header
/**
     * Get the package tree header.
     *
     * @return a content tree for the header
     */
    protected HtmlTree getPackageTreeHeader() {
        String packageName = packageElement.isUnnamed() ? "" : utils.getPackageName(packageElement);
        String title = packageName + " " + configuration.getText("doclet.Window_Class_Hierarchy");
        HtmlTree bodyTree = getBody(true, getWindowTitle(title));
        HtmlTree htmlTree = (configuration.allowTag(HtmlTag.HEADER))
                ? HtmlTree.HEADER()
                : bodyTree;
        addTop(htmlTree);
        addNavLinks(true, htmlTree);
        if (configuration.allowTag(HtmlTag.HEADER)) {
            bodyTree.addContent(htmlTree);
        }
        return bodyTree;
    }

    
Add a link to the tree for all the packages.

Params:
  • div – the content tree to which the link will be added
/**
     * Add a link to the tree for all the packages.
     *
     * @param div the content tree to which the link will be added
     */
    protected void addLinkToMainTree(Content div) {
        Content span = HtmlTree.SPAN(HtmlStyle.packageHierarchyLabel,
                contents.packageHierarchies);
        div.addContent(span);
        HtmlTree ul = new HtmlTree (HtmlTag.UL);
        ul.setStyle(HtmlStyle.horizontal);
        ul.addContent(getNavLinkMainTree(configuration.getText("doclet.All_Packages")));
        div.addContent(ul);
    }

    
Get link for the previous package tree file.

Returns:a content tree for the link
/**
     * Get link for the previous package tree file.
     *
     * @return a content tree for the link
     */
    @Override
    protected Content getNavLinkPrevious() {
        if (prev == null) {
            return getNavLinkPrevious(null);
        } else {
            DocPath path = DocPath.relativePath(packageElement, prev);
            return getNavLinkPrevious(path.resolve(DocPaths.PACKAGE_TREE));
        }
    }

    
Get link for the next package tree file.

Returns:a content tree for the link
/**
     * Get link for the next package tree file.
     *
     * @return a content tree for the link
     */
    @Override
    protected Content getNavLinkNext() {
        if (next == null) {
            return getNavLinkNext(null);
        } else {
            DocPath path = DocPath.relativePath(packageElement, next);
            return getNavLinkNext(path.resolve(DocPaths.PACKAGE_TREE));
        }
    }

    
Get the module link.

Returns:a content tree for the module link
/**
     * Get the module link.
     *
     * @return a content tree for the module link
     */
    @Override
    protected Content getNavLinkModule() {
        Content linkContent = getModuleLink(utils.elementUtils.getModuleOf(packageElement),
                contents.moduleLabel);
        Content li = HtmlTree.LI(linkContent);
        return li;
    }

    
Get link to the package summary page for the package of this tree.

Returns:a content tree for the package link
/**
     * Get link to the package summary page for the package of this tree.
     *
     * @return a content tree for the package link
     */
    @Override
    protected Content getNavLinkPackage() {
        Content linkContent = Links.createLink(DocPaths.PACKAGE_SUMMARY,
                contents.packageLabel);
        Content li = HtmlTree.LI(linkContent);
        return li;
    }
}