/*

 * 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

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package jdk.javadoc.internal.doclets.toolkit.util;

import java.io.*;

import java.util.*;

import javax.lang.model.element.PackageElement;

import jdk.javadoc.doclet.DocletEnvironment;

import jdk.javadoc.internal.doclets.toolkit.Configuration;

/**

 * Write out the package index.

 *

 *  <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

 */

public class PackageListWriter extends PrintWriter {

    private final Configuration configuration;

    private final Utils utils;

    /**

     * Constructor.

     *

     * @param configuration the current configuration of the doclet.

     */

    public PackageListWriter(Configuration configuration) throws IOException {

        super(DocFile.createFileForOutput(configuration, DocPaths.PACKAGE_LIST).openWriter());

        this.configuration = configuration;

        this.utils = configuration.utils;

    }

    /**

     * Generate the package index.

     *

     * @param configuration the current configuration of the doclet.

     * @throws DocletAbortException

     */

    public static void generate(Configuration configuration) {

        PackageListWriter packgen;

        try {

            packgen = new PackageListWriter(configuration);

            packgen.close();

        } catch (IOException exc) {

            configuration.message.error("doclet.exception_encountered",

                exc.toString(), DocPaths.PACKAGE_LIST);

            throw new DocletAbortException(exc);

        }

    }

    protected void generatePackageListFile(DocletEnvironment root) {

        ArrayList<PackageElement> names = new ArrayList<>();

        for (PackageElement pkg : configuration.packages) {

            // if the -nodeprecated option is set and the package is marked as

            // deprecated, do not include it in the packages list.

            if (!(configuration.nodeprecated && utils.isDeprecated(pkg)))

                names.add(pkg);

        }

        names.stream().forEach((name) -> {

            println(name);

        });

    }

}