JDK 11 jdk.javadoc.jmod is the JMOD file for JDK 11 Java Document tool, which can be invoked by the "javadoc" command.

JDK 11 Java Document tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.javadoc.jmod.

JDK 11 Java Document tool compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Java Document tool source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.javadoc.

You can click and view the content of each source code file in the list below.

⏎ jdk/javadoc/internal/doclets/toolkit/util/DocLink.java

/*
 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package jdk.javadoc.internal.doclets.toolkit.util;

/**
 * Abstraction for simple relative URIs, consisting of a path,
 * an optional query, and an optional fragment. DocLink objects can
 * be created by the constructors below or from a DocPath using the
 * convenience methods, {@link DocPath#fragment fragment} and
 * {@link DocPath#query query}.
 *
 *  <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 DocLink {
    final DocPath path;
    final String query;
    final String fragment;

    /**
     * Creates a DocLink representing the URI {@code #fragment}.
     * @param fragment the fragment
     * @return the DocLink
     */
    public static DocLink fragment(String fragment) {
        return new DocLink((DocPath) null, (String) null, fragment);
    }

    /**
     * Creates a DocLink representing the URI {@code path}.
     * @param path the path
     */
    public DocLink(DocPath path) {
        this(path, null, null);
    }

    /**
     * Creates a DocLink representing the URI {@code path?query#fragment}.
     * Any of the component parts may be null.
     * @param path the path
     * @param query the query
     * @param fragment the fragment
     */
    public DocLink(DocPath path, String query, String fragment) {
        this.path = path;
        this.query = query;
        this.fragment = fragment;
    }

    /**
     * Creates a DocLink representing the URI {@code path?query#fragment}.
     * Any of the component parts may be null.
     * @param path the path
     * @param query the query
     * @param fragment the fragment
     */
    public DocLink(String path, String query, String fragment) {
        this(DocPath.create(path), query, fragment);
    }

    /**
     * Creates a DocLink formed by relativizing the path against a given base.
     * @param base the base
     * @return the DocLink
     */
    public DocLink relativizeAgainst(DocPath base) {
        if (base.isEmpty() || path == null) {
            return this;
        }

        // The following guards against the (ugly) use-case of using DocPath to contain a URL
        if (isAbsoluteURL(path)) {
            return this;
        }

        DocPath newPath = base.relativize(path);
        // avoid generating an empty link by using the basename of the path if necessary
        if (newPath.isEmpty() && isEmpty(query) && isEmpty(fragment)) {
            newPath = path.basename();
        }
        return new DocLink(newPath, query, fragment);
    }

    // return true if the path begins <letters>://
    private boolean isAbsoluteURL(DocPath path) {
        String s = path.getPath();
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            if (Character.isLetter(c)) {
                continue;
            }
            return (c == ':' && i + 2 < s.length() && s.charAt(i + 1)== '/' && s.charAt(i + 2)== '/');
        }
        return false;
    }

    /**
     * Returns the link in the form "path?query#fragment", omitting any empty
     * components.
     * @return the string
     */
    @Override
    public String toString() {
        // common fast path
        if (path != null && isEmpty(query) && isEmpty(fragment))
            return path.getPath();

        StringBuilder sb = new StringBuilder();
        if (path != null)
            sb.append(path.getPath());
        if (!isEmpty(query))
            sb.append("?").append(query);
        if (!isEmpty(fragment))
            sb.append("#").append(fragment);
        return sb.toString();
    }

    private static boolean isEmpty(String s) {
        return (s == null) || s.isEmpty();
    }
}

⏎ jdk/javadoc/internal/doclets/toolkit/util/DocLink.java

Or download all of them as a single archive file:

File name: jdk.javadoc-11.0.1-src.zip
File size: 680806 bytes
Release date: 2018-11-04
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