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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 * published by the Free Software Foundation.  Oracle designates this
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 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package jdk.javadoc.internal.doclets.formats.html;

import java.util.*;

import javax.lang.model.element.ModuleElement;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement;

import jdk.javadoc.doclet.DocletEnvironment;
import jdk.javadoc.doclet.Reporter;
import jdk.javadoc.internal.doclets.toolkit.AbstractDoclet;
import jdk.javadoc.internal.doclets.toolkit.DocletException;
import jdk.javadoc.internal.doclets.toolkit.Messages;
import jdk.javadoc.internal.doclets.toolkit.builders.AbstractBuilder;
import jdk.javadoc.internal.doclets.toolkit.util.ClassTree;
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;
import jdk.javadoc.internal.doclets.toolkit.util.IndexBuilder;

The class with "start" method, calls individual Writers.
 
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, Robert Field, Jamie Ho/**
 * The class with "start" method, calls individual Writers.
 *
 *  <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 Robert Field
 * @author Jamie Ho
 *
 */
public class HtmlDoclet extends AbstractDoclet {

    public HtmlDoclet() {
        configuration = new HtmlConfiguration(this);
    }

    @Override // defined by Doclet
    public String getName() {
        return "Html";
    }

    
The global configuration information for this run.
/**
     * The global configuration information for this run.
     */
    private final HtmlConfiguration configuration;

    private Messages messages;


    private static final DocPath DOCLET_RESOURCES = DocPath
            .create("/jdk/javadoc/internal/doclets/formats/html/resources");

    @Override // defined by Doclet
    public void init(Locale locale, Reporter reporter) {
        configuration.reporter = reporter;
        configuration.locale = locale;
        messages = configuration.getMessages();
    }

    
Create the configuration instance.
Override this method to use a different
configuration.
Returns:
the configuration/**
     * Create the configuration instance.
     * Override this method to use a different
     * configuration.
     *
     * @return the configuration
     */
    @Override // defined by AbstractDoclet
    public HtmlConfiguration getConfiguration() {
        return configuration;
    }

    
Start the generation of files. Call generate methods in the individual
writers, which will in turn generate the documentation files. Call the
TreeWriter generation first to ensure the Class Hierarchy is built
first and then can be used in the later generation.
For new format.
Throws:
DocletException – if there is a problem while writing the other files
See Also:
DocletEnvironment/**
     * Start the generation of files. Call generate methods in the individual
     * writers, which will in turn generate the documentation files. Call the
     * TreeWriter generation first to ensure the Class Hierarchy is built
     * first and then can be used in the later generation.
     *
     * For new format.
     *
     * @throws DocletException if there is a problem while writing the other files
     * @see jdk.doclet.DocletEnvironment
     */
    @Override // defined by AbstractDoclet
    protected void generateOtherFiles(DocletEnvironment docEnv, ClassTree classtree)
            throws DocletException {
        super.generateOtherFiles(docEnv, classtree);
        if (configuration.linksource) {
            SourceToHTMLConverter.convertRoot(configuration,
                docEnv, DocPaths.SOURCE_OUTPUT);
        }
        // Modules with no documented classes may be specified on the
        // command line to specify a service provider, allow these.
        if (configuration.getSpecifiedModuleElements().isEmpty() &&
                configuration.topFile.isEmpty()) {
            messages.error("doclet.No_Non_Deprecated_Classes_To_Document");
            return;
        }
        boolean nodeprecated = configuration.nodeprecated;
        performCopy(configuration.helpfile);
        performCopy(configuration.stylesheetfile);
        for (String stylesheet : configuration.additionalStylesheets) {
            performCopy(stylesheet);
        }
        // do early to reduce memory footprint
        if (configuration.classuse) {
            ClassUseWriter.generate(configuration, classtree);
        }
        IndexBuilder indexbuilder = new IndexBuilder(configuration, nodeprecated);

        if (configuration.createtree) {
            TreeWriter.generate(configuration, classtree);
        }
        if (configuration.createindex) {
            configuration.buildSearchTagIndex();
            if (configuration.splitindex) {
                SplitIndexWriter.generate(configuration, indexbuilder);
            } else {
                SingleIndexWriter.generate(configuration, indexbuilder);
            }
        }

        if (!(configuration.nodeprecatedlist || nodeprecated)) {
            DeprecatedListWriter.generate(configuration);
        }

        AllClassesFrameWriter.generate(configuration,
            new IndexBuilder(configuration, nodeprecated, true));

        if (configuration.frames) {
            FrameOutputWriter.generate(configuration);
        }

        if (configuration.createoverview) {
            if (configuration.showModules) {
                ModuleIndexWriter.generate(configuration);
            } else {
                PackageIndexWriter.generate(configuration);
            }
        }

        if (!configuration.frames && !configuration.createoverview) {
            IndexRedirectWriter.generate(configuration);
        }

        if (configuration.helpfile.isEmpty() && !configuration.nohelp) {
            HelpWriter.generate(configuration);
        }
        // If a stylesheet file is not specified, copy the default stylesheet
        // and replace newline with platform-specific newline.
        DocFile f;
        if (configuration.stylesheetfile.length() == 0) {
            f = DocFile.createFileForOutput(configuration, DocPaths.STYLESHEET);
            f.copyResource(DocPaths.RESOURCES.resolve(DocPaths.STYLESHEET), false, true);
        }
        f = DocFile.createFileForOutput(configuration, DocPaths.JAVASCRIPT);
        f.copyResource(DocPaths.RESOURCES.resolve(DocPaths.JAVASCRIPT), true, true);
        if (configuration.createindex) {
            f = DocFile.createFileForOutput(configuration, DocPaths.SEARCH_JS);
            f.copyResource(DOCLET_RESOURCES.resolve(DocPaths.SEARCH_JS), true, true);

            f = DocFile.createFileForOutput(configuration, DocPaths.RESOURCES.resolve(DocPaths.GLASS_IMG));
            f.copyResource(DOCLET_RESOURCES.resolve(DocPaths.GLASS_IMG), true, false);

            f = DocFile.createFileForOutput(configuration, DocPaths.RESOURCES.resolve(DocPaths.X_IMG));
            f.copyResource(DOCLET_RESOURCES.resolve(DocPaths.X_IMG), true, false);
            copyJqueryFiles();
        }
    }

    protected void copyJqueryFiles() throws DocletException {
        List<String> files = Arrays.asList(
                "jquery-1.10.2.js",
                "jquery-ui.js",
                "jquery-ui.css",
                "jquery-ui.min.js",
                "jquery-ui.min.css",
                "jquery-ui.structure.min.css",
                "jquery-ui.structure.css",
                "external/jquery/jquery.js",
                "jszip/dist/jszip.js",
                "jszip/dist/jszip.min.js",
                "jszip-utils/dist/jszip-utils.js",
                "jszip-utils/dist/jszip-utils.min.js",
                "jszip-utils/dist/jszip-utils-ie.js",
                "jszip-utils/dist/jszip-utils-ie.min.js",
                "images/ui-bg_flat_0_aaaaaa_40x100.png",
                "images/ui-icons_454545_256x240.png",
                "images/ui-bg_glass_95_fef1ec_1x400.png",
                "images/ui-bg_glass_75_dadada_1x400.png",
                "images/ui-bg_highlight-soft_75_cccccc_1x100.png",
                "images/ui-icons_888888_256x240.png",
                "images/ui-icons_2e83ff_256x240.png",
                "images/ui-bg_glass_65_ffffff_1x400.png",
                "images/ui-icons_cd0a0a_256x240.png",
                "images/ui-bg_glass_55_fbf9ee_1x400.png",
                "images/ui-icons_222222_256x240.png",
                "images/ui-bg_glass_75_e6e6e6_1x400.png",
                "images/ui-bg_flat_75_ffffff_40x100.png");
        DocFile f;
        for (String file : files) {
            DocPath filePath = DocPaths.JQUERY_FILES.resolve(file);
            f = DocFile.createFileForOutput(configuration, filePath);
            f.copyResource(DOCLET_RESOURCES.resolve(filePath), true, false);
        }
    }

    
{@inheritDoc}
/**
     * {@inheritDoc}
     */
    @Override // defined by AbstractDoclet
    protected void generateClassFiles(SortedSet<TypeElement> arr, ClassTree classtree)
            throws DocletException {
        List<TypeElement> list = new ArrayList<>(arr);
        ListIterator<TypeElement> iterator = list.listIterator();
        TypeElement klass = null;
        while (iterator.hasNext()) {
            TypeElement prev = iterator.hasPrevious() ? klass : null;
            klass = iterator.next();
            TypeElement next = iterator.nextIndex() == list.size()
                    ? null : list.get(iterator.nextIndex());

            if (utils.isHidden(klass) ||
                    !(configuration.isGeneratedDoc(klass) && utils.isIncluded(klass))) {
                continue;
            }

            if (utils.isAnnotationType(klass)) {
                AbstractBuilder annotationTypeBuilder =
                    configuration.getBuilderFactory()
                        .getAnnotationTypeBuilder(klass,
                            prev == null ? null : prev.asType(),
                            next == null ? null : next.asType());
                annotationTypeBuilder.build();
            } else {
                AbstractBuilder classBuilder =
                    configuration.getBuilderFactory().getClassBuilder(klass,
                            prev, next, classtree);
                classBuilder.build();
            }
        }
    }

    
{@inheritDoc}
/**
     * {@inheritDoc}
     */
    @Override // defined by AbstractDoclet
    protected void generateModuleFiles() throws DocletException {
        if (configuration.showModules) {
            if (configuration.frames  && configuration.modules.size() > 1) {
                ModuleIndexFrameWriter.generate(configuration);
            }
            ModuleElement prevModule = null, nextModule;
            List<ModuleElement> mdles = new ArrayList<>(configuration.modulePackages.keySet());
            int i = 0;
            for (ModuleElement mdle : mdles) {
                if (configuration.frames && configuration.modules.size() > 1) {
                    ModulePackageIndexFrameWriter.generate(configuration, mdle);
                    ModuleFrameWriter.generate(configuration, mdle);
                }
                nextModule = (i + 1 < mdles.size()) ? mdles.get(i + 1) : null;
                AbstractBuilder moduleSummaryBuilder =
                        configuration.getBuilderFactory().getModuleSummaryBuilder(
                        mdle, prevModule, nextModule);
                moduleSummaryBuilder.build();
                prevModule = mdle;
                i++;
            }
        }
    }

    PackageElement getNamedPackage(List<PackageElement> list, int idx) {
        if (idx < list.size()) {
            PackageElement pkg = list.get(idx);
            if (pkg != null && !pkg.isUnnamed()) {
                return pkg;
            }
        }
        return null;
    }

    
{@inheritDoc}
/**
     * {@inheritDoc}
     */
    @Override // defined by AbstractDoclet
    protected void generatePackageFiles(ClassTree classtree) throws DocletException {
        Set<PackageElement> packages = configuration.packages;
        if (packages.size() > 1 && configuration.frames) {
            PackageIndexFrameWriter.generate(configuration);
        }
        List<PackageElement> pList = new ArrayList<>(packages);
        PackageElement prev = null;
        for (int i = 0 ; i < pList.size() ; i++) {
            // if -nodeprecated option is set and the package is marked as
            // deprecated, do not generate the package-summary.html, package-frame.html
            // and package-tree.html pages for that package.
            PackageElement pkg = pList.get(i);
            if (!(configuration.nodeprecated && utils.isDeprecated(pkg))) {
                if (configuration.frames) {
                    PackageFrameWriter.generate(configuration, pkg);
                }
                int nexti = i + 1;
                PackageElement next = null;
                if (nexti < pList.size()) {
                    next = pList.get(nexti);
                    // If the next package is unnamed package, skip 2 ahead if possible
                    if (next.isUnnamed() && ++nexti < pList.size()) {
                       next = pList.get(nexti);
                    }
                }
                AbstractBuilder packageSummaryBuilder =
                        configuration.getBuilderFactory().getPackageSummaryBuilder(
                        pkg, prev, next);
                packageSummaryBuilder.build();
                if (configuration.createtree) {
                    PackageTreeWriter.generate(configuration, pkg, prev, next,
                            configuration.nodeprecated);
                }
                prev = pkg;
            }
        }
    }

    @Override // defined by Doclet
    public Set<Option> getSupportedOptions() {
        return configuration.getSupportedOptions();
    }

    private void performCopy(String filename) throws DocFileIOException {
        if (filename.isEmpty())
            return;

        DocFile fromfile = DocFile.createFileForInput(configuration, filename);
        DocPath path = DocPath.create(fromfile.getName());
        DocFile toFile = DocFile.createFileForOutput(configuration, path);
        if (toFile.isSameFile(fromfile))
            return;

        messages.notice("doclet.Copying_File_0_To_File_1",
                fromfile.toString(), path.getPath());
        toFile.copyFile(fromfile);
    }
}