Examples with ModuleReference java.lang.module.ModuleReference used on opensource projects

Example 16 with ModuleReference

use of java.lang.module.ModuleReference in project Bytecoder by mirkosertic.

the class Loader method findResourcesAsList.

/**
 * Finds the resources with the given name in this class loader.
 */
private List<URL> findResourcesAsList(String name) throws IOException {
    String pn = Resources.toPackageName(name);
    LoadedModule module = localPackageToModule.get(pn);
    if (module != null) {
        URL url = findResource(module.name(), name);
        if (url != null && (name.endsWith(".class") || url.toString().endsWith("/") || isOpen(module.mref(), pn))) {
            return List.of(url);
        } else {
            return Collections.emptyList();
        }
    } else {
        List<URL> urls = new ArrayList<>();
        for (ModuleReference mref : nameToModule.values()) {
            URL url = findResource(mref.descriptor().name(), name);
            if (url != null) {
                urls.add(url);
            }
        }
        return urls;
    }
}

Example 17 with ModuleReference

use of java.lang.module.ModuleReference in project Bytecoder by mirkosertic.

the class LauncherHelper method describeModule.

/**
 * Called by the launcher to describe a module
 */
static void describeModule(String moduleName) {
    initOutput(System.out);
    ModuleFinder finder = ModuleBootstrap.limitedFinder();
    ModuleReference mref = finder.find(moduleName).orElse(null);
    if (mref == null) {
        abort(null, "java.launcher.module.error4", moduleName);
    }
    ModuleDescriptor md = mref.descriptor();
    // one-line summary
    showModule(mref);
    // unqualified exports (sorted by package)
    md.exports().stream().filter(e -> !e.isQualified()).sorted(Comparator.comparing(Exports::source)).map(e -> Stream.concat(Stream.of(e.source()), toStringStream(e.modifiers())).collect(Collectors.joining(" "))).forEach(sourceAndMods -> ostream.format("exports %s%n", sourceAndMods));
    // dependences
    for (Requires r : md.requires()) {
        String nameAndMods = Stream.concat(Stream.of(r.name()), toStringStream(r.modifiers())).collect(Collectors.joining(" "));
        ostream.format("requires %s", nameAndMods);
        finder.find(r.name()).map(ModuleReference::descriptor).filter(ModuleDescriptor::isAutomatic).ifPresent(any -> ostream.print(" automatic"));
        ostream.println();
    }
    // service use and provides
    for (String s : md.uses()) {
        ostream.format("uses %s%n", s);
    }
    for (Provides ps : md.provides()) {
        String names = ps.providers().stream().collect(Collectors.joining(" "));
        ostream.format("provides %s with %s%n", ps.service(), names);
    }
    // qualified exports
    for (Exports e : md.exports()) {
        if (e.isQualified()) {
            String who = e.targets().stream().collect(Collectors.joining(" "));
            ostream.format("qualified exports %s to %s%n", e.source(), who);
        }
    }
    // open packages
    for (Opens opens : md.opens()) {
        if (opens.isQualified())
            ostream.print("qualified ");
        String sourceAndMods = Stream.concat(Stream.of(opens.source()), toStringStream(opens.modifiers())).collect(Collectors.joining(" "));
        ostream.format("opens %s", sourceAndMods);
        if (opens.isQualified()) {
            String who = opens.targets().stream().collect(Collectors.joining(" "));
            ostream.format(" to %s", who);
        }
        ostream.println();
    }
    // non-exported/non-open packages
    Set<String> concealed = new TreeSet<>(md.packages());
    md.exports().stream().map(Exports::source).forEach(concealed::remove);
    md.opens().stream().map(Opens::source).forEach(concealed::remove);
    concealed.forEach(p -> ostream.format("contains %s%n", p));
}

Example 18 with ModuleReference

use of java.lang.module.ModuleReference in project Bytecoder by mirkosertic.

the class LauncherHelper method showModule.

/**
 * Prints a single line with the module name, version and modifiers
 */
private static void showModule(ModuleReference mref) {
    ModuleDescriptor md = mref.descriptor();
    ostream.print(md.toNameAndVersion());
    mref.location().filter(uri -> !isJrt(uri)).ifPresent(uri -> ostream.format(" %s", uri));
    if (md.isOpen())
        ostream.print(" open");
    if (md.isAutomatic())
        ostream.print(" automatic");
    ostream.println();
}

Example 19 with ModuleReference

use of java.lang.module.ModuleReference in project Bytecoder by mirkosertic.

the class NamedPackage method location.

/**
 * Returns the location of the module if this named package is in
 * a named module; otherwise, returns null.
 */
URI location() {
    if (module.isNamed() && module.getLayer() != null) {
        Configuration cf = module.getLayer().configuration();
        ModuleReference mref = cf.findModule(module.getName()).get().reference();
        return mref.location().orElse(null);
    }
    return null;
}

Example 20 with ModuleReference

use of java.lang.module.ModuleReference in project Bytecoder by mirkosertic.

the class ModuleBootstrap method createBootLayerForValidation.

/**
 * Create a boot module layer for validation that resolves all
 * system modules.
 */
private static ModuleLayer createBootLayerForValidation() {
    Set<String> allSystem = ModuleFinder.ofSystem().findAll().stream().map(ModuleReference::descriptor).map(ModuleDescriptor::name).collect(Collectors.toSet());
    Configuration cf = SharedSecrets.getJavaLangModuleAccess().resolveAndBind(ModuleFinder.ofSystem(), allSystem, null);
    Function<String, ClassLoader> clf = ModuleLoaderMap.mappingFunction(cf);
    return ModuleLayer.empty().defineModules(cf, clf);
}