Examples with PluginLoader org.spongepowered.plugin.PluginLoader used on opensource projects

Example 1 with PluginLoader

use of org.spongepowered.plugin.PluginLoader in project SpongeCommon by SpongePowered.

the class VanillaPluginManager method loadPlugins.

@SuppressWarnings("unchecked")
public void loadPlugins(final VanillaPluginPlatform platform) {
    this.locatedResources.putAll(platform.getResources());
    final Map<PluginCandidate<PluginResource>, PluginLanguageService<PluginResource>> pluginLanguageLookup = new HashMap<>();
    final Map<PluginLanguageService<PluginResource>, PluginLoader<PluginResource, PluginContainer>> pluginLoaders = new HashMap<>();
    // Initialise the plugin language loaders.
    for (final Map.Entry<PluginLanguageService<PluginResource>, List<PluginCandidate<PluginResource>>> candidate : platform.getCandidates().entrySet()) {
        final PluginLanguageService<PluginResource> languageService = candidate.getKey();
        final String loaderClass = languageService.pluginLoader();
        try {
            pluginLoaders.put(languageService, (PluginLoader<PluginResource, PluginContainer>) Class.forName(loaderClass).getConstructor().newInstance());
        } catch (final InstantiationException | IllegalAccessException | ClassNotFoundException | NoSuchMethodException | InvocationTargetException e) {
            throw new RuntimeException(e);
        }
        candidate.getValue().forEach(x -> pluginLanguageLookup.put(x, languageService));
    }
    // Priority to platform plugins that will already exist here -- meaning the resolver will act upon them first
    // and if someone decides to give a plugin an ID that is the same as a platform plugin, the resolver will effectively
    // reject it.
    final Set<PluginCandidate<PluginResource>> resources = new LinkedHashSet<>();
    pluginLanguageLookup.keySet().stream().filter(x -> this.plugins.containsKey(x.metadata().id())).forEach(resources::add);
    resources.addAll(pluginLanguageLookup.keySet());
    final ResolutionResult<PluginResource> resolutionResult = DependencyResolver.resolveAndSortCandidates(resources, platform.logger());
    final Map<PluginCandidate<PluginResource>, String> failedInstances = new HashMap<>();
    final Map<PluginCandidate<PluginResource>, String> consequentialFailedInstances = new HashMap<>();
    final ClassLoader launchClassloader = VanillaLaunch.instance().getClass().getClassLoader();
    for (final PluginCandidate<PluginResource> candidate : resolutionResult.sortedSuccesses()) {
        final PluginContainer plugin = this.plugins.get(candidate.metadata().id());
        if (plugin != null) {
            if (plugin instanceof VanillaDummyPluginContainer) {
                continue;
            }
            // If we get here, we screwed up - duplicate IDs should have been detected earlier.
            // Place it in the resolution result... it'll then get picked up in the big error message
            resolutionResult.duplicateIds().add(candidate.metadata().id());
            // but this is our screw up, let's also make a big point of it
            final PrettyPrinter prettyPrinter = new PrettyPrinter(120).add("ATTEMPTED TO CREATE PLUGIN WITH DUPLICATE PLUGIN ID").centre().hr().addWrapped("Sponge attempted to create a second plugin with ID '%s'. This is not allowed - all plugins must have a unique " + "ID. Usually, Sponge will catch this earlier -- but in this case Sponge has validated two plugins with " + "the same ID. Please report this error to Sponge.", candidate.metadata().id()).add().add("Technical Details:").add("Plugins to load:", 4);
            resolutionResult.sortedSuccesses().forEach(x -> prettyPrinter.add("*" + x.metadata().id(), 4));
            prettyPrinter.add().add("Detected Duplicate IDs:", 4);
            resolutionResult.duplicateIds().forEach(x -> prettyPrinter.add("*" + x, 4));
            prettyPrinter.log(platform.logger(), Level.ERROR);
            continue;
        }
        // This should work fine, we're sorted so all deps should be in place at this stage.
        if (this.stillValid(candidate, consequentialFailedInstances)) {
            final PluginLanguageService<PluginResource> languageService = pluginLanguageLookup.get(candidate);
            final PluginLoader<PluginResource, PluginContainer> pluginLoader = pluginLoaders.get(languageService);
            try {
                final PluginContainer container = pluginLoader.loadPlugin(platform.getStandardEnvironment(), candidate, launchClassloader);
                this.addPlugin(container);
                this.containerToResource.put(container, candidate.resource());
            } catch (final InvalidPluginException e) {
                failedInstances.put(candidate, "Failed to construct: see stacktrace(s) above this message for details.");
                e.printStackTrace();
            }
        }
    }
    resolutionResult.printErrorsIfAny(failedInstances, consequentialFailedInstances, platform.logger());
    platform.logger().info("Loaded plugin(s): {}", this.sortedPlugins.stream().map(p -> p.metadata().id()).collect(Collectors.toList()));
}