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Example 1 with Exports

use of java.lang.module.ModuleDescriptor.Exports in project Bytecoder by mirkosertic.

the class Module method initExportsAndOpens.

/**
 * Initialize/setup a module's exports.
 *
 * @param m the module
 * @param nameToSource map of module name to Module for modules that m reads
 * @param nameToModule map of module name to Module for modules in the layer
 *                     under construction
 * @param parents the parent layers
 */
private static void initExportsAndOpens(Module m, Map<String, Module> nameToSource, Map<String, Module> nameToModule, List<ModuleLayer> parents) {
    ModuleDescriptor descriptor = m.getDescriptor();
    Map<String, Set<Module>> openPackages = new HashMap<>();
    Map<String, Set<Module>> exportedPackages = new HashMap<>();
    // process the open packages first
    for (Opens opens : descriptor.opens()) {
        String source = opens.source();
        if (opens.isQualified()) {
            // qualified opens
            Set<Module> targets = new HashSet<>();
            for (String target : opens.targets()) {
                Module m2 = findModule(target, nameToSource, nameToModule, parents);
                if (m2 != null) {
                    addExports0(m, source, m2);
                    targets.add(m2);
                }
            }
            if (!targets.isEmpty()) {
                openPackages.put(source, targets);
            }
        } else {
            // unqualified opens
            addExportsToAll0(m, source);
            openPackages.put(source, EVERYONE_SET);
        }
    }
    // next the exports, skipping exports when the package is open
    for (Exports exports : descriptor.exports()) {
        String source = exports.source();
        // skip export if package is already open to everyone
        Set<Module> openToTargets = openPackages.get(source);
        if (openToTargets != null && openToTargets.contains(EVERYONE_MODULE))
            continue;
        if (exports.isQualified()) {
            // qualified exports
            Set<Module> targets = new HashSet<>();
            for (String target : exports.targets()) {
                Module m2 = findModule(target, nameToSource, nameToModule, parents);
                if (m2 != null) {
                    // skip qualified export if already open to m2
                    if (openToTargets == null || !openToTargets.contains(m2)) {
                        addExports0(m, source, m2);
                        targets.add(m2);
                    }
                }
            }
            if (!targets.isEmpty()) {
                exportedPackages.put(source, targets);
            }
        } else {
            // unqualified exports
            addExportsToAll0(m, source);
            exportedPackages.put(source, EVERYONE_SET);
        }
    }
    if (!openPackages.isEmpty())
        m.openPackages = openPackages;
    if (!exportedPackages.isEmpty())
        m.exportedPackages = exportedPackages;
}
Also used : ModuleDescriptor(java.lang.module.ModuleDescriptor) HashSet(java.util.HashSet) Set(java.util.Set) Opens(java.lang.module.ModuleDescriptor.Opens) HashMap(java.util.HashMap) ConcurrentHashMap(java.util.concurrent.ConcurrentHashMap) ResolvedModule(java.lang.module.ResolvedModule) Exports(java.lang.module.ModuleDescriptor.Exports) HashSet(java.util.HashSet)

Example 2 with Exports

use of java.lang.module.ModuleDescriptor.Exports in project Bytecoder by mirkosertic.

the class Module method initExports.

/**
 * Initialize/setup a module's exports.
 *
 * @param m the module
 * @param nameToModule map of module name to Module (for qualified exports)
 */
private static void initExports(Module m, Map<String, Module> nameToModule) {
    Map<String, Set<Module>> exportedPackages = new HashMap<>();
    for (Exports exports : m.getDescriptor().exports()) {
        String source = exports.source();
        if (exports.isQualified()) {
            // qualified exports
            Set<Module> targets = new HashSet<>();
            for (String target : exports.targets()) {
                Module m2 = nameToModule.get(target);
                if (m2 != null) {
                    addExports0(m, source, m2);
                    targets.add(m2);
                }
            }
            if (!targets.isEmpty()) {
                exportedPackages.put(source, targets);
            }
        } else {
            // unqualified exports
            addExportsToAll0(m, source);
            exportedPackages.put(source, EVERYONE_SET);
        }
    }
    if (!exportedPackages.isEmpty())
        m.exportedPackages = exportedPackages;
}
Also used : HashSet(java.util.HashSet) Set(java.util.Set) HashMap(java.util.HashMap) ConcurrentHashMap(java.util.concurrent.ConcurrentHashMap) ResolvedModule(java.lang.module.ResolvedModule) Exports(java.lang.module.ModuleDescriptor.Exports) HashSet(java.util.HashSet)

Example 3 with Exports

use of java.lang.module.ModuleDescriptor.Exports 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));
}
Also used : Manifest(java.util.jar.Manifest) NoSuchFileException(java.nio.file.NoSuchFileException) ModuleReference(java.lang.module.ModuleReference) JarFile(java.util.jar.JarFile) Requires(java.lang.module.ModuleDescriptor.Requires) BigDecimal(java.math.BigDecimal) DirectoryStream(java.nio.file.DirectoryStream) Category(java.util.Locale.Category) ModuleFinder(java.lang.module.ModuleFinder) Locale(java.util.Locale) Map(java.util.Map) URI(java.net.URI) Method(java.lang.reflect.Method) Path(java.nio.file.Path) FindException(java.lang.module.FindException) RoundingMode(java.math.RoundingMode) Set(java.util.Set) Configuration(java.lang.module.Configuration) Attributes(java.util.jar.Attributes) Collectors(java.util.stream.Collectors) InvocationTargetException(java.lang.reflect.InvocationTargetException) Exports(java.lang.module.ModuleDescriptor.Exports) List(java.util.List) Stream(java.util.stream.Stream) Modifier(java.lang.reflect.Modifier) Optional(java.util.Optional) VM(jdk.internal.misc.VM) UnsupportedEncodingException(java.io.UnsupportedEncodingException) Provides(java.lang.module.ModuleDescriptor.Provides) ModuleDescriptor(java.lang.module.ModuleDescriptor) HashMap(java.util.HashMap) TreeSet(java.util.TreeSet) MessageFormat(java.text.MessageFormat) ArrayList(java.util.ArrayList) ResolvedModule(java.lang.module.ResolvedModule) Charset(java.nio.charset.Charset) ResourceBundle(java.util.ResourceBundle) PrintStream(java.io.PrintStream) Properties(java.util.Properties) Iterator(java.util.Iterator) Files(java.nio.file.Files) Opens(java.lang.module.ModuleDescriptor.Opens) IOException(java.io.IOException) BasicFileAttributes(java.nio.file.attribute.BasicFileAttributes) File(java.io.File) Normalizer(java.text.Normalizer) ModuleBootstrap(jdk.internal.module.ModuleBootstrap) Paths(java.nio.file.Paths) Modules(jdk.internal.module.Modules) Comparator(java.util.Comparator) Collections(java.util.Collections) ModuleDescriptor(java.lang.module.ModuleDescriptor) ModuleFinder(java.lang.module.ModuleFinder) Opens(java.lang.module.ModuleDescriptor.Opens) ModuleReference(java.lang.module.ModuleReference) Requires(java.lang.module.ModuleDescriptor.Requires) TreeSet(java.util.TreeSet) Provides(java.lang.module.ModuleDescriptor.Provides) Exports(java.lang.module.ModuleDescriptor.Exports)

Aggregations

Exports (java.lang.module.ModuleDescriptor.Exports)3 ResolvedModule (java.lang.module.ResolvedModule)3 HashMap (java.util.HashMap)3 ModuleDescriptor (java.lang.module.ModuleDescriptor)2 Opens (java.lang.module.ModuleDescriptor.Opens)2 HashSet (java.util.HashSet)2 Set (java.util.Set)2 ConcurrentHashMap (java.util.concurrent.ConcurrentHashMap)2 File (java.io.File)1 IOException (java.io.IOException)1 PrintStream (java.io.PrintStream)1 UnsupportedEncodingException (java.io.UnsupportedEncodingException)1 Configuration (java.lang.module.Configuration)1 FindException (java.lang.module.FindException)1 Provides (java.lang.module.ModuleDescriptor.Provides)1 Requires (java.lang.module.ModuleDescriptor.Requires)1 ModuleFinder (java.lang.module.ModuleFinder)1 ModuleReference (java.lang.module.ModuleReference)1 InvocationTargetException (java.lang.reflect.InvocationTargetException)1 Method (java.lang.reflect.Method)1