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Module allure-generator of Allure Framework.
There is a newer version: 2.30.0
package io.qameta.allure;

import io.qameta.allure.allure1.Allure1Plugin;
import io.qameta.allure.allure2.Allure2Plugin;
import io.qameta.allure.category.CategoriesPlugin;
import io.qameta.allure.category.CategoriesTrendPlugin;
import io.qameta.allure.context.FreemarkerContext;
import io.qameta.allure.context.JacksonContext;
import io.qameta.allure.context.MarkdownContext;
import io.qameta.allure.context.RandomUidContext;
import io.qameta.allure.core.AttachmentsPlugin;
import io.qameta.allure.core.Configuration;
import io.qameta.allure.core.LaunchResults;
import io.qameta.allure.core.MarkdownDescriptionsPlugin;
import io.qameta.allure.core.Plugin;
import io.qameta.allure.core.ReportWebPlugin;
import io.qameta.allure.core.TestsResultsPlugin;
import io.qameta.allure.duration.DurationPlugin;
import io.qameta.allure.duration.DurationTrendPlugin;
import io.qameta.allure.environment.Allure1EnvironmentPlugin;
import io.qameta.allure.executor.ExecutorPlugin;
import io.qameta.allure.history.HistoryPlugin;
import io.qameta.allure.history.HistoryTrendPlugin;
import io.qameta.allure.influxdb.InfluxDbExportPlugin;
import io.qameta.allure.launch.LaunchPlugin;
import io.qameta.allure.mail.MailPlugin;
import io.qameta.allure.owner.OwnerPlugin;
import io.qameta.allure.plugin.DefaultPluginLoader;
import io.qameta.allure.prometheus.PrometheusExportPlugin;
import io.qameta.allure.retry.RetryPlugin;
import io.qameta.allure.retry.RetryTrendPlugin;
import io.qameta.allure.severity.SeverityPlugin;
import io.qameta.allure.status.StatusChartPlugin;
import io.qameta.allure.suites.SuitesPlugin;
import io.qameta.allure.summary.SummaryPlugin;
import io.qameta.allure.tags.TagsPlugin;
import io.qameta.allure.timeline.TimelinePlugin;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

/**
 * @author Artem Eroshenko [email protected]
 * Date: 1/22/14
 */
@SuppressWarnings("PMD.ExcessiveImports")
public final class DummyReportGenerator {

    private static final Logger LOGGER = LoggerFactory.getLogger(DummyReportGenerator.class);
    private static final int MIN_ARGUMENTS_COUNT = 2;
    private static final List EXTENSIONS = Arrays.asList(
            new JacksonContext(),
            new MarkdownContext(),
            new FreemarkerContext(),
            new RandomUidContext(),
            new MarkdownDescriptionsPlugin(),
            new RetryPlugin(),
            new RetryTrendPlugin(),
            new TagsPlugin(),
            new SeverityPlugin(),
            new OwnerPlugin(),
            new CategoriesPlugin(),
            new CategoriesTrendPlugin(),
            new HistoryPlugin(),
            new HistoryTrendPlugin(),
            new DurationPlugin(),
            new DurationTrendPlugin(),
            new StatusChartPlugin(),
            new TimelinePlugin(),
            new SuitesPlugin(),
            new TestsResultsPlugin(),
            new AttachmentsPlugin(),
            new MailPlugin(),
            new InfluxDbExportPlugin(),
            new PrometheusExportPlugin(),
            new SummaryPlugin(),
            new ExecutorPlugin(),
            new LaunchPlugin(),
            new Allure1Plugin(),
            new Allure1EnvironmentPlugin(),
            new Allure2Plugin(),
            new ReportWebPlugin() {
                @Override
                public void aggregate(final Configuration configuration,
                                      final List launchesResults,
                                      final Path outputDirectory) throws IOException {
                    writePluginsStatic(configuration, outputDirectory);
                    writeIndexHtml(configuration, outputDirectory);
                }
            }
    );

    private DummyReportGenerator() {
        throw new IllegalStateException("Do not instance");
    }

    /**
     * Generate Allure report data from directories with allure report results.
     *
     * @param args a list of directory paths. First (args.length - 1) arguments -
     *             results directories, last argument - the folder to generated data
     */
    public static void main(final String... args) throws IOException {
        if (args.length < MIN_ARGUMENTS_COUNT) {
            LOGGER.error("There must be at least two arguments");
            return;
        }
        int lastIndex = args.length - 1;
        final Path[] files = getFiles(args);
        final List plugins = loadPlugins();
        LOGGER.info("Found {} plugins", plugins.size());
        plugins.forEach(plugin -> LOGGER.info(plugin.getConfig().getName()));
        final Configuration configuration = new ConfigurationBuilder()
                .fromExtensions(EXTENSIONS)
                .fromPlugins(plugins)
                .build();
        final ReportGenerator generator = new ReportGenerator(configuration);
        generator.generate(files[lastIndex], Arrays.copyOf(files, lastIndex));
    }

    public static Path[] getFiles(final String... paths) {
        return Arrays.stream(paths)
                .map(Paths::get)
                .toArray(Path[]::new);
    }

    public static List loadPlugins() throws IOException {
        final Optional optional = Optional.ofNullable(System.getProperty("allure.plugins.directory"))
                .map(Paths::get)
                .filter(Files::isDirectory);
        if (!optional.isPresent()) {
            return Collections.emptyList();
        }
        final Path pluginsDirectory = optional.get();
        LOGGER.info("Found plugins directory {}", pluginsDirectory);
        final DefaultPluginLoader loader = new DefaultPluginLoader();
        final ClassLoader classLoader = DummyReportGenerator.class.getClassLoader();
        return Files.list(pluginsDirectory)
                .filter(Files::isDirectory)
                .map(pluginDir -> loader.loadPlugin(classLoader, pluginDir))
                .filter(Optional::isPresent)
                .map(Optional::get)
                .collect(Collectors.toList());
    }
}