| /* |
| * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. |
| * 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.tools.jmod; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.PrintWriter; |
| import java.io.UncheckedIOException; |
| import java.lang.module.Configuration; |
| import java.lang.module.FindException; |
| import java.lang.module.ModuleReader; |
| import java.lang.module.ModuleReference; |
| import java.lang.module.ModuleFinder; |
| import java.lang.module.ModuleDescriptor; |
| import java.lang.module.ModuleDescriptor.Exports; |
| import java.lang.module.ModuleDescriptor.Opens; |
| import java.lang.module.ModuleDescriptor.Provides; |
| import java.lang.module.ModuleDescriptor.Requires; |
| import java.lang.module.ModuleDescriptor.Version; |
| import java.lang.module.ResolutionException; |
| import java.lang.module.ResolvedModule; |
| import java.net.URI; |
| import java.nio.file.FileSystems; |
| import java.nio.file.FileVisitOption; |
| import java.nio.file.FileVisitResult; |
| import java.nio.file.Files; |
| import java.nio.file.InvalidPathException; |
| import java.nio.file.Path; |
| import java.nio.file.PathMatcher; |
| import java.nio.file.Paths; |
| import java.nio.file.SimpleFileVisitor; |
| import java.nio.file.StandardCopyOption; |
| import java.nio.file.attribute.BasicFileAttributes; |
| import java.text.MessageFormat; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashSet; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.MissingResourceException; |
| import java.util.Optional; |
| import java.util.ResourceBundle; |
| import java.util.Set; |
| import java.util.TreeSet; |
| import java.util.function.Consumer; |
| import java.util.function.Predicate; |
| import java.util.function.Supplier; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.jar.JarOutputStream; |
| import java.util.stream.Collectors; |
| import java.util.regex.Pattern; |
| import java.util.regex.PatternSyntaxException; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipException; |
| import java.util.zip.ZipFile; |
| |
| import jdk.internal.jmod.JmodFile; |
| import jdk.internal.jmod.JmodFile.Section; |
| import jdk.internal.joptsimple.BuiltinHelpFormatter; |
| import jdk.internal.joptsimple.NonOptionArgumentSpec; |
| import jdk.internal.joptsimple.OptionDescriptor; |
| import jdk.internal.joptsimple.OptionException; |
| import jdk.internal.joptsimple.OptionParser; |
| import jdk.internal.joptsimple.OptionSet; |
| import jdk.internal.joptsimple.OptionSpec; |
| import jdk.internal.joptsimple.ValueConverter; |
| import jdk.internal.module.ModuleHashes; |
| import jdk.internal.module.ModuleHashesBuilder; |
| import jdk.internal.module.ModuleInfo; |
| import jdk.internal.module.ModuleInfoExtender; |
| import jdk.internal.module.ModulePath; |
| import jdk.internal.module.ModuleResolution; |
| import jdk.internal.module.ModuleTarget; |
| import jdk.internal.module.Resources; |
| import jdk.tools.jlink.internal.Utils; |
| |
| import static java.util.stream.Collectors.joining; |
| |
| /** |
| * Implementation for the jmod tool. |
| */ |
| public class JmodTask { |
| |
| static class CommandException extends RuntimeException { |
| private static final long serialVersionUID = 0L; |
| boolean showUsage; |
| |
| CommandException(String key, Object... args) { |
| super(getMessageOrKey(key, args)); |
| } |
| |
| CommandException showUsage(boolean b) { |
| showUsage = b; |
| return this; |
| } |
| |
| private static String getMessageOrKey(String key, Object... args) { |
| try { |
| return MessageFormat.format(ResourceBundleHelper.bundle.getString(key), args); |
| } catch (MissingResourceException e) { |
| return key; |
| } |
| } |
| } |
| |
| private static final String PROGNAME = "jmod"; |
| private static final String MODULE_INFO = "module-info.class"; |
| |
| private static final Path CWD = Paths.get(""); |
| |
| private Options options; |
| private PrintWriter out = new PrintWriter(System.out, true); |
| void setLog(PrintWriter out, PrintWriter err) { |
| this.out = out; |
| } |
| |
| /* Result codes. */ |
| static final int EXIT_OK = 0, // Completed with no errors. |
| EXIT_ERROR = 1, // Completed but reported errors. |
| EXIT_CMDERR = 2, // Bad command-line arguments |
| EXIT_SYSERR = 3, // System error or resource exhaustion. |
| EXIT_ABNORMAL = 4;// terminated abnormally |
| |
| enum Mode { |
| CREATE, |
| EXTRACT, |
| LIST, |
| DESCRIBE, |
| HASH |
| }; |
| |
| static class Options { |
| Mode mode; |
| Path jmodFile; |
| boolean help; |
| boolean helpExtra; |
| boolean version; |
| List<Path> classpath; |
| List<Path> cmds; |
| List<Path> configs; |
| List<Path> libs; |
| List<Path> headerFiles; |
| List<Path> manPages; |
| List<Path> legalNotices;; |
| ModuleFinder moduleFinder; |
| Version moduleVersion; |
| String mainClass; |
| String targetPlatform; |
| Pattern modulesToHash; |
| ModuleResolution moduleResolution; |
| boolean dryrun; |
| List<PathMatcher> excludes; |
| Path extractDir; |
| } |
| |
| public int run(String[] args) { |
| |
| try { |
| handleOptions(args); |
| if (options == null) { |
| showUsageSummary(); |
| return EXIT_CMDERR; |
| } |
| if (options.help || options.helpExtra) { |
| showHelp(); |
| return EXIT_OK; |
| } |
| if (options.version) { |
| showVersion(); |
| return EXIT_OK; |
| } |
| |
| boolean ok; |
| switch (options.mode) { |
| case CREATE: |
| ok = create(); |
| break; |
| case EXTRACT: |
| ok = extract(); |
| break; |
| case LIST: |
| ok = list(); |
| break; |
| case DESCRIBE: |
| ok = describe(); |
| break; |
| case HASH: |
| ok = hashModules(); |
| break; |
| default: |
| throw new AssertionError("Unknown mode: " + options.mode.name()); |
| } |
| |
| return ok ? EXIT_OK : EXIT_ERROR; |
| } catch (CommandException e) { |
| reportError(e.getMessage()); |
| if (e.showUsage) |
| showUsageSummary(); |
| return EXIT_CMDERR; |
| } catch (Exception x) { |
| reportError(x.getMessage()); |
| x.printStackTrace(); |
| return EXIT_ABNORMAL; |
| } finally { |
| out.flush(); |
| } |
| } |
| |
| private boolean list() throws IOException { |
| ZipFile zip = null; |
| try { |
| try { |
| zip = new ZipFile(options.jmodFile.toFile()); |
| } catch (IOException x) { |
| throw new IOException("error opening jmod file", x); |
| } |
| |
| // Trivially print the archive entries for now, pending a more complete implementation |
| zip.stream().forEach(e -> out.println(e.getName())); |
| return true; |
| } finally { |
| if (zip != null) |
| zip.close(); |
| } |
| } |
| |
| private boolean extract() throws IOException { |
| Path dir = options.extractDir != null ? options.extractDir : CWD; |
| try (JmodFile jf = new JmodFile(options.jmodFile)) { |
| jf.stream().forEach(e -> { |
| try { |
| ZipEntry entry = e.zipEntry(); |
| String name = entry.getName(); |
| int index = name.lastIndexOf("/"); |
| if (index != -1) { |
| Path p = dir.resolve(name.substring(0, index)); |
| if (Files.notExists(p)) |
| Files.createDirectories(p); |
| } |
| |
| try (OutputStream os = Files.newOutputStream(dir.resolve(name))) { |
| jf.getInputStream(e).transferTo(os); |
| } |
| } catch (IOException x) { |
| throw new UncheckedIOException(x); |
| } |
| }); |
| |
| return true; |
| } |
| } |
| |
| private boolean hashModules() { |
| if (options.dryrun) { |
| out.println("Dry run:"); |
| } |
| |
| Hasher hasher = new Hasher(options.moduleFinder); |
| hasher.computeHashes().forEach((mn, hashes) -> { |
| if (options.dryrun) { |
| out.format("%s%n", mn); |
| hashes.names().stream() |
| .sorted() |
| .forEach(name -> out.format(" hashes %s %s %s%n", |
| name, hashes.algorithm(), toHex(hashes.hashFor(name)))); |
| } else { |
| try { |
| hasher.updateModuleInfo(mn, hashes); |
| } catch (IOException ex) { |
| throw new UncheckedIOException(ex); |
| } |
| } |
| }); |
| return true; |
| } |
| |
| private boolean describe() throws IOException { |
| try (JmodFile jf = new JmodFile(options.jmodFile)) { |
| try (InputStream in = jf.getInputStream(Section.CLASSES, MODULE_INFO)) { |
| ModuleInfo.Attributes attrs = ModuleInfo.read(in, null); |
| describeModule(attrs.descriptor(), |
| attrs.target(), |
| attrs.recordedHashes()); |
| return true; |
| } catch (IOException e) { |
| throw new CommandException("err.module.descriptor.not.found"); |
| } |
| } |
| } |
| |
| static <T> String toString(Collection<T> c) { |
| if (c.isEmpty()) { return ""; } |
| return " " + c.stream().map(e -> e.toString().toLowerCase(Locale.ROOT)) |
| .sorted().collect(joining(" ")); |
| } |
| |
| private void describeModule(ModuleDescriptor md, |
| ModuleTarget target, |
| ModuleHashes hashes) |
| throws IOException |
| { |
| StringBuilder sb = new StringBuilder(); |
| |
| sb.append(md.toNameAndVersion()); |
| |
| if (md.isOpen()) |
| sb.append(" open"); |
| if (md.isAutomatic()) |
| sb.append(" automatic"); |
| sb.append("\n"); |
| |
| // unqualified exports (sorted by package) |
| md.exports().stream() |
| .sorted(Comparator.comparing(Exports::source)) |
| .filter(e -> !e.isQualified()) |
| .forEach(e -> sb.append("exports ").append(e.source()) |
| .append(toString(e.modifiers())).append("\n")); |
| |
| // dependences |
| md.requires().stream().sorted() |
| .forEach(r -> sb.append("requires ").append(r.name()) |
| .append(toString(r.modifiers())).append("\n")); |
| |
| // service use and provides |
| md.uses().stream().sorted() |
| .forEach(s -> sb.append("uses ").append(s).append("\n")); |
| |
| md.provides().stream() |
| .sorted(Comparator.comparing(Provides::service)) |
| .forEach(p -> sb.append("provides ").append(p.service()) |
| .append(" with") |
| .append(toString(p.providers())) |
| .append("\n")); |
| |
| // qualified exports |
| md.exports().stream() |
| .sorted(Comparator.comparing(Exports::source)) |
| .filter(Exports::isQualified) |
| .forEach(e -> sb.append("qualified exports ").append(e.source()) |
| .append(" to").append(toString(e.targets())) |
| .append("\n")); |
| |
| // open packages |
| md.opens().stream() |
| .sorted(Comparator.comparing(Opens::source)) |
| .filter(o -> !o.isQualified()) |
| .forEach(o -> sb.append("opens ").append(o.source()) |
| .append(toString(o.modifiers())) |
| .append("\n")); |
| |
| md.opens().stream() |
| .sorted(Comparator.comparing(Opens::source)) |
| .filter(Opens::isQualified) |
| .forEach(o -> sb.append("qualified opens ").append(o.source()) |
| .append(toString(o.modifiers())) |
| .append(" to").append(toString(o.targets())) |
| .append("\n")); |
| |
| // 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 -> sb.append("contains ").append(p).append("\n")); |
| |
| md.mainClass().ifPresent(v -> sb.append("main-class ").append(v).append("\n")); |
| |
| if (target != null) { |
| String targetPlatform = target.targetPlatform(); |
| if (!targetPlatform.isEmpty()) |
| sb.append("platform ").append(targetPlatform).append("\n"); |
| } |
| |
| if (hashes != null) { |
| hashes.names().stream().sorted().forEach( |
| mod -> sb.append("hashes ").append(mod).append(" ") |
| .append(hashes.algorithm()).append(" ") |
| .append(toHex(hashes.hashFor(mod))) |
| .append("\n")); |
| } |
| |
| out.println(sb.toString()); |
| } |
| |
| private String toHex(byte[] ba) { |
| StringBuilder sb = new StringBuilder(ba.length); |
| for (byte b: ba) { |
| sb.append(String.format("%02x", b & 0xff)); |
| } |
| return sb.toString(); |
| } |
| |
| private boolean create() throws IOException { |
| JmodFileWriter jmod = new JmodFileWriter(); |
| |
| // create jmod with temporary name to avoid it being examined |
| // when scanning the module path |
| Path target = options.jmodFile; |
| Path tempTarget = jmodTempFilePath(target); |
| try { |
| try (JmodOutputStream jos = JmodOutputStream.newOutputStream(tempTarget)) { |
| jmod.write(jos); |
| } |
| Files.move(tempTarget, target); |
| } catch (Exception e) { |
| try { |
| Files.deleteIfExists(tempTarget); |
| } catch (IOException ioe) { |
| e.addSuppressed(ioe); |
| } |
| throw e; |
| } |
| return true; |
| } |
| |
| /* |
| * Create a JMOD .tmp file for the given target JMOD file |
| */ |
| private static Path jmodTempFilePath(Path target) throws IOException { |
| return target.resolveSibling("." + target.getFileName() + ".tmp"); |
| } |
| |
| private class JmodFileWriter { |
| final List<Path> cmds = options.cmds; |
| final List<Path> libs = options.libs; |
| final List<Path> configs = options.configs; |
| final List<Path> classpath = options.classpath; |
| final List<Path> headerFiles = options.headerFiles; |
| final List<Path> manPages = options.manPages; |
| final List<Path> legalNotices = options.legalNotices; |
| |
| final Version moduleVersion = options.moduleVersion; |
| final String mainClass = options.mainClass; |
| final String targetPlatform = options.targetPlatform; |
| final List<PathMatcher> excludes = options.excludes; |
| final ModuleResolution moduleResolution = options.moduleResolution; |
| |
| JmodFileWriter() { } |
| |
| /** |
| * Writes the jmod to the given output stream. |
| */ |
| void write(JmodOutputStream out) throws IOException { |
| // module-info.class |
| writeModuleInfo(out, findPackages(classpath)); |
| |
| // classes |
| processClasses(out, classpath); |
| |
| processSection(out, Section.CONFIG, configs); |
| processSection(out, Section.HEADER_FILES, headerFiles); |
| processSection(out, Section.LEGAL_NOTICES, legalNotices); |
| processSection(out, Section.MAN_PAGES, manPages); |
| processSection(out, Section.NATIVE_CMDS, cmds); |
| processSection(out, Section.NATIVE_LIBS, libs); |
| |
| } |
| |
| /** |
| * Returns a supplier of an input stream to the module-info.class |
| * on the class path of directories and JAR files. |
| */ |
| Supplier<InputStream> newModuleInfoSupplier() throws IOException { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| for (Path e: classpath) { |
| if (Files.isDirectory(e)) { |
| Path mi = e.resolve(MODULE_INFO); |
| if (Files.isRegularFile(mi)) { |
| Files.copy(mi, baos); |
| break; |
| } |
| } else if (Files.isRegularFile(e) && e.toString().endsWith(".jar")) { |
| try (JarFile jf = new JarFile(e.toFile())) { |
| ZipEntry entry = jf.getEntry(MODULE_INFO); |
| if (entry != null) { |
| jf.getInputStream(entry).transferTo(baos); |
| break; |
| } |
| } catch (ZipException x) { |
| // Skip. Do nothing. No packages will be added. |
| } |
| } |
| } |
| if (baos.size() == 0) { |
| return null; |
| } else { |
| byte[] bytes = baos.toByteArray(); |
| return () -> new ByteArrayInputStream(bytes); |
| } |
| } |
| |
| /** |
| * Writes the updated module-info.class to the ZIP output stream. |
| * |
| * The updated module-info.class will have a Packages attribute |
| * with the set of module-private/non-exported packages. |
| * |
| * If --module-version, --main-class, or other options were provided |
| * then the corresponding class file attributes are added to the |
| * module-info here. |
| */ |
| void writeModuleInfo(JmodOutputStream out, Set<String> packages) |
| throws IOException |
| { |
| Supplier<InputStream> miSupplier = newModuleInfoSupplier(); |
| if (miSupplier == null) { |
| throw new IOException(MODULE_INFO + " not found"); |
| } |
| |
| ModuleDescriptor descriptor; |
| try (InputStream in = miSupplier.get()) { |
| descriptor = ModuleDescriptor.read(in); |
| } |
| |
| // copy the module-info.class into the jmod with the additional |
| // attributes for the version, main class and other meta data |
| try (InputStream in = miSupplier.get()) { |
| ModuleInfoExtender extender = ModuleInfoExtender.newExtender(in); |
| |
| // Add (or replace) the Packages attribute |
| if (packages != null) { |
| validatePackages(descriptor, packages); |
| extender.packages(packages); |
| } |
| |
| // --main-class |
| if (mainClass != null) |
| extender.mainClass(mainClass); |
| |
| // --target-platform |
| if (targetPlatform != null) { |
| extender.targetPlatform(targetPlatform); |
| } |
| |
| // --module-version |
| if (moduleVersion != null) |
| extender.version(moduleVersion); |
| |
| // --hash-modules |
| if (options.modulesToHash != null) { |
| // To compute hashes, it creates a Configuration to resolve |
| // a module graph. The post-resolution check requires |
| // the packages in ModuleDescriptor be available for validation. |
| ModuleDescriptor md; |
| try (InputStream is = miSupplier.get()) { |
| md = ModuleDescriptor.read(is, () -> packages); |
| } |
| |
| ModuleHashes moduleHashes = computeHashes(md); |
| if (moduleHashes != null) { |
| extender.hashes(moduleHashes); |
| } else { |
| warning("warn.no.module.hashes", descriptor.name()); |
| } |
| } |
| |
| if (moduleResolution != null && moduleResolution.value() != 0) { |
| extender.moduleResolution(moduleResolution); |
| } |
| |
| // write the (possibly extended or modified) module-info.class |
| out.writeEntry(extender.toByteArray(), Section.CLASSES, MODULE_INFO); |
| } |
| } |
| |
| private void validatePackages(ModuleDescriptor descriptor, Set<String> packages) { |
| Set<String> nonExistPackages = new TreeSet<>(); |
| descriptor.exports().stream() |
| .map(Exports::source) |
| .filter(pn -> !packages.contains(pn)) |
| .forEach(nonExistPackages::add); |
| |
| descriptor.opens().stream() |
| .map(Opens::source) |
| .filter(pn -> !packages.contains(pn)) |
| .forEach(nonExistPackages::add); |
| |
| if (!nonExistPackages.isEmpty()) { |
| throw new CommandException("err.missing.export.or.open.packages", |
| descriptor.name(), nonExistPackages); |
| } |
| } |
| |
| /* |
| * Hasher resolves a module graph using the --hash-modules PATTERN |
| * as the roots. |
| * |
| * The jmod file is being created and does not exist in the |
| * given modulepath. |
| */ |
| private ModuleHashes computeHashes(ModuleDescriptor descriptor) { |
| String mn = descriptor.name(); |
| URI uri = options.jmodFile.toUri(); |
| ModuleReference mref = new ModuleReference(descriptor, uri) { |
| @Override |
| public ModuleReader open() { |
| throw new UnsupportedOperationException("opening " + mn); |
| } |
| }; |
| |
| // compose a module finder with the module path and also |
| // a module finder that can find the jmod file being created |
| ModuleFinder finder = ModuleFinder.compose(options.moduleFinder, |
| new ModuleFinder() { |
| @Override |
| public Optional<ModuleReference> find(String name) { |
| if (descriptor.name().equals(name)) |
| return Optional.of(mref); |
| else return Optional.empty(); |
| } |
| |
| @Override |
| public Set<ModuleReference> findAll() { |
| return Collections.singleton(mref); |
| } |
| }); |
| |
| return new Hasher(mn, finder).computeHashes().get(mn); |
| } |
| |
| /** |
| * Returns the set of all packages on the given class path. |
| */ |
| Set<String> findPackages(List<Path> classpath) { |
| Set<String> packages = new HashSet<>(); |
| for (Path path : classpath) { |
| if (Files.isDirectory(path)) { |
| packages.addAll(findPackages(path)); |
| } else if (Files.isRegularFile(path) && path.toString().endsWith(".jar")) { |
| try (JarFile jf = new JarFile(path.toString())) { |
| packages.addAll(findPackages(jf)); |
| } catch (ZipException x) { |
| // Skip. Do nothing. No packages will be added. |
| } catch (IOException ioe) { |
| throw new UncheckedIOException(ioe); |
| } |
| } |
| } |
| return packages; |
| } |
| |
| /** |
| * Returns the set of packages in the given directory tree. |
| */ |
| Set<String> findPackages(Path dir) { |
| try { |
| return Files.find(dir, Integer.MAX_VALUE, |
| ((path, attrs) -> attrs.isRegularFile())) |
| .map(dir::relativize) |
| .filter(path -> isResource(path.toString())) |
| .map(path -> toPackageName(path)) |
| .filter(pkg -> pkg.length() > 0) |
| .distinct() |
| .collect(Collectors.toSet()); |
| } catch (IOException ioe) { |
| throw new UncheckedIOException(ioe); |
| } |
| } |
| |
| /** |
| * Returns the set of packages in the given JAR file. |
| */ |
| Set<String> findPackages(JarFile jf) { |
| return jf.stream() |
| .filter(e -> !e.isDirectory() && isResource(e.getName())) |
| .map(e -> toPackageName(e)) |
| .filter(pkg -> pkg.length() > 0) |
| .distinct() |
| .collect(Collectors.toSet()); |
| } |
| |
| /** |
| * Returns true if it's a .class or a resource with an effective |
| * package name. |
| */ |
| boolean isResource(String name) { |
| name = name.replace(File.separatorChar, '/'); |
| return name.endsWith(".class") || Resources.canEncapsulate(name); |
| } |
| |
| |
| String toPackageName(Path path) { |
| String name = path.toString(); |
| int index = name.lastIndexOf(File.separatorChar); |
| if (index != -1) |
| return name.substring(0, index).replace(File.separatorChar, '.'); |
| |
| if (name.endsWith(".class") && !name.equals(MODULE_INFO)) { |
| IOException e = new IOException(name + " in the unnamed package"); |
| throw new UncheckedIOException(e); |
| } |
| return ""; |
| } |
| |
| String toPackageName(ZipEntry entry) { |
| String name = entry.getName(); |
| int index = name.lastIndexOf("/"); |
| if (index != -1) |
| return name.substring(0, index).replace('/', '.'); |
| |
| if (name.endsWith(".class") && !name.equals(MODULE_INFO)) { |
| IOException e = new IOException(name + " in the unnamed package"); |
| throw new UncheckedIOException(e); |
| } |
| return ""; |
| } |
| |
| void processClasses(JmodOutputStream out, List<Path> classpaths) |
| throws IOException |
| { |
| if (classpaths == null) |
| return; |
| |
| for (Path p : classpaths) { |
| if (Files.isDirectory(p)) { |
| processSection(out, Section.CLASSES, p); |
| } else if (Files.isRegularFile(p) && p.toString().endsWith(".jar")) { |
| try (JarFile jf = new JarFile(p.toFile())) { |
| JarEntryConsumer jec = new JarEntryConsumer(out, jf); |
| jf.stream().filter(jec).forEach(jec); |
| } |
| } |
| } |
| } |
| |
| void processSection(JmodOutputStream out, Section section, List<Path> paths) |
| throws IOException |
| { |
| if (paths == null) |
| return; |
| |
| for (Path p : paths) { |
| processSection(out, section, p); |
| } |
| } |
| |
| void processSection(JmodOutputStream out, Section section, Path path) |
| throws IOException |
| { |
| Files.walkFileTree(path, Set.of(FileVisitOption.FOLLOW_LINKS), |
| Integer.MAX_VALUE, new SimpleFileVisitor<Path>() { |
| @Override |
| public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) |
| throws IOException |
| { |
| Path relPath = path.relativize(file); |
| if (relPath.toString().equals(MODULE_INFO) |
| && !Section.CLASSES.equals(section)) |
| warning("warn.ignore.entry", MODULE_INFO, section); |
| |
| if (!relPath.toString().equals(MODULE_INFO) |
| && !matches(relPath, excludes)) { |
| try (InputStream in = Files.newInputStream(file)) { |
| out.writeEntry(in, section, relPath.toString()); |
| } catch (IOException x) { |
| if (x.getMessage().contains("duplicate entry")) { |
| warning("warn.ignore.duplicate.entry", |
| relPath.toString(), section); |
| return FileVisitResult.CONTINUE; |
| } |
| throw x; |
| } |
| } |
| return FileVisitResult.CONTINUE; |
| } |
| }); |
| } |
| |
| boolean matches(Path path, List<PathMatcher> matchers) { |
| if (matchers != null) { |
| for (PathMatcher pm : matchers) { |
| if (pm.matches(path)) |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| class JarEntryConsumer implements Consumer<JarEntry>, Predicate<JarEntry> { |
| final JmodOutputStream out; |
| final JarFile jarfile; |
| JarEntryConsumer(JmodOutputStream out, JarFile jarfile) { |
| this.out = out; |
| this.jarfile = jarfile; |
| } |
| @Override |
| public void accept(JarEntry je) { |
| try (InputStream in = jarfile.getInputStream(je)) { |
| out.writeEntry(in, Section.CLASSES, je.getName()); |
| } catch (IOException e) { |
| throw new UncheckedIOException(e); |
| } |
| } |
| @Override |
| public boolean test(JarEntry je) { |
| String name = je.getName(); |
| // ## no support for excludes. Is it really needed? |
| return !name.endsWith(MODULE_INFO) && !je.isDirectory(); |
| } |
| } |
| } |
| |
| /** |
| * Compute and record hashes |
| */ |
| private class Hasher { |
| final Configuration configuration; |
| final ModuleHashesBuilder hashesBuilder; |
| final Set<String> modules; |
| final String moduleName; // a specific module to record hashes, if set |
| |
| /** |
| * This constructor is for jmod hash command. |
| * |
| * This Hasher will determine which modules to record hashes, i.e. |
| * the module in a subgraph of modules to be hashed and that |
| * has no outgoing edges. It will record in each of these modules, |
| * say `M`, with the the hashes of modules that depend upon M |
| * directly or indirectly matching the specified --hash-modules pattern. |
| */ |
| Hasher(ModuleFinder finder) { |
| this(null, finder); |
| } |
| |
| /** |
| * Constructs a Hasher to compute hashes. |
| * |
| * If a module name `M` is specified, it will compute the hashes of |
| * modules that depend upon M directly or indirectly matching the |
| * specified --hash-modules pattern and record in the ModuleHashes |
| * attribute in M's module-info.class. |
| * |
| * @param name name of the module to record hashes |
| * @param finder module finder for the specified --module-path |
| */ |
| Hasher(String name, ModuleFinder finder) { |
| // Determine the modules that matches the pattern {@code modulesToHash} |
| Set<String> roots = finder.findAll().stream() |
| .map(mref -> mref.descriptor().name()) |
| .filter(mn -> options.modulesToHash.matcher(mn).find()) |
| .collect(Collectors.toSet()); |
| |
| // use system module path unless it creates a JMOD file for |
| // a module that is present in the system image e.g. upgradeable |
| // module |
| ModuleFinder system; |
| if (name != null && ModuleFinder.ofSystem().find(name).isPresent()) { |
| system = ModuleFinder.of(); |
| } else { |
| system = ModuleFinder.ofSystem(); |
| } |
| // get a resolved module graph |
| Configuration config = null; |
| try { |
| config = Configuration.empty().resolve(system, finder, roots); |
| } catch (FindException | ResolutionException e) { |
| throw new CommandException("err.module.resolution.fail", e.getMessage()); |
| } |
| |
| this.moduleName = name; |
| this.configuration = config; |
| |
| // filter modules resolved from the system module finder |
| this.modules = config.modules().stream() |
| .map(ResolvedModule::name) |
| .filter(mn -> roots.contains(mn) && !system.find(mn).isPresent()) |
| .collect(Collectors.toSet()); |
| |
| this.hashesBuilder = new ModuleHashesBuilder(config, modules); |
| } |
| |
| /** |
| * Returns a map of a module M to record hashes of the modules |
| * that depend upon M directly or indirectly. |
| * |
| * For jmod hash command, the returned map contains one entry |
| * for each module M that has no outgoing edges to any of the |
| * modules matching the specified --hash-modules pattern. |
| * |
| * Each entry represents a leaf node in a connected subgraph containing |
| * M and other candidate modules from the module graph where M's outgoing |
| * edges to any module other than the ones matching the specified |
| * --hash-modules pattern are excluded. |
| */ |
| Map<String, ModuleHashes> computeHashes() { |
| if (hashesBuilder == null) |
| return null; |
| |
| if (moduleName != null) { |
| return hashesBuilder.computeHashes(Set.of(moduleName)); |
| } else { |
| return hashesBuilder.computeHashes(modules); |
| } |
| } |
| |
| /** |
| * Reads the given input stream of module-info.class and write |
| * the extended module-info.class with the given ModuleHashes |
| * |
| * @param in InputStream of module-info.class |
| * @param out OutputStream to write the extended module-info.class |
| * @param hashes ModuleHashes |
| */ |
| private void recordHashes(InputStream in, OutputStream out, ModuleHashes hashes) |
| throws IOException |
| { |
| ModuleInfoExtender extender = ModuleInfoExtender.newExtender(in); |
| extender.hashes(hashes); |
| extender.write(out); |
| } |
| |
| void updateModuleInfo(String name, ModuleHashes moduleHashes) |
| throws IOException |
| { |
| Path target = moduleToPath(name); |
| Path tempTarget = jmodTempFilePath(target); |
| try { |
| if (target.getFileName().toString().endsWith(".jmod")) { |
| updateJmodFile(target, tempTarget, moduleHashes); |
| } else { |
| updateModularJar(target, tempTarget, moduleHashes); |
| } |
| } catch (IOException|RuntimeException e) { |
| try { |
| Files.deleteIfExists(tempTarget); |
| } catch (IOException ioe) { |
| e.addSuppressed(ioe); |
| } |
| throw e; |
| } |
| |
| out.println(getMessage("module.hashes.recorded", name)); |
| Files.move(tempTarget, target, StandardCopyOption.REPLACE_EXISTING); |
| } |
| |
| private void updateModularJar(Path target, Path tempTarget, |
| ModuleHashes moduleHashes) |
| throws IOException |
| { |
| try (JarFile jf = new JarFile(target.toFile()); |
| OutputStream out = Files.newOutputStream(tempTarget); |
| JarOutputStream jos = new JarOutputStream(out)) |
| { |
| jf.stream().forEach(e -> { |
| try (InputStream in = jf.getInputStream(e)) { |
| if (e.getName().equals(MODULE_INFO)) { |
| // what about module-info.class in versioned entries? |
| ZipEntry ze = new ZipEntry(e.getName()); |
| ze.setTime(System.currentTimeMillis()); |
| jos.putNextEntry(ze); |
| recordHashes(in, jos, moduleHashes); |
| jos.closeEntry(); |
| } else { |
| jos.putNextEntry(e); |
| jos.write(in.readAllBytes()); |
| jos.closeEntry(); |
| } |
| } catch (IOException x) { |
| throw new UncheckedIOException(x); |
| } |
| }); |
| } |
| } |
| |
| private void updateJmodFile(Path target, Path tempTarget, |
| ModuleHashes moduleHashes) |
| throws IOException |
| { |
| |
| try (JmodFile jf = new JmodFile(target); |
| JmodOutputStream jos = JmodOutputStream.newOutputStream(tempTarget)) |
| { |
| jf.stream().forEach(e -> { |
| try (InputStream in = jf.getInputStream(e.section(), e.name())) { |
| if (e.name().equals(MODULE_INFO)) { |
| // replace module-info.class |
| ModuleInfoExtender extender = |
| ModuleInfoExtender.newExtender(in); |
| extender.hashes(moduleHashes); |
| jos.writeEntry(extender.toByteArray(), e.section(), e.name()); |
| } else { |
| jos.writeEntry(in, e); |
| } |
| } catch (IOException x) { |
| throw new UncheckedIOException(x); |
| } |
| }); |
| } |
| } |
| |
| private Path moduleToPath(String name) { |
| ResolvedModule rm = configuration.findModule(name).orElseThrow( |
| () -> new InternalError("Selected module " + name + " not on module path")); |
| |
| URI uri = rm.reference().location().get(); |
| Path path = Paths.get(uri); |
| String fn = path.getFileName().toString(); |
| if (!fn.endsWith(".jar") && !fn.endsWith(".jmod")) { |
| throw new InternalError(path + " is not a modular JAR or jmod file"); |
| } |
| return path; |
| } |
| } |
| |
| /** |
| * An abstract converter that given a string representing a list of paths, |
| * separated by the File.pathSeparator, returns a List of java.nio.Path's. |
| * Specific subclasses should do whatever validation is required on the |
| * individual path elements, if any. |
| */ |
| static abstract class AbstractPathConverter implements ValueConverter<List<Path>> { |
| @Override |
| public List<Path> convert(String value) { |
| List<Path> paths = new ArrayList<>(); |
| String[] pathElements = value.split(File.pathSeparator); |
| for (String pathElement : pathElements) { |
| paths.add(toPath(pathElement)); |
| } |
| return paths; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public Class<List<Path>> valueType() { |
| return (Class<List<Path>>)(Object)List.class; |
| } |
| |
| @Override public String valuePattern() { return "path"; } |
| |
| abstract Path toPath(String path); |
| } |
| |
| static class ClassPathConverter extends AbstractPathConverter { |
| static final ValueConverter<List<Path>> INSTANCE = new ClassPathConverter(); |
| |
| @Override |
| public Path toPath(String value) { |
| try { |
| Path path = CWD.resolve(value); |
| if (Files.notExists(path)) |
| throw new CommandException("err.path.not.found", path); |
| if (!(Files.isDirectory(path) || |
| (Files.isRegularFile(path) && path.toString().endsWith(".jar")))) |
| throw new CommandException("err.invalid.class.path.entry", path); |
| return path; |
| } catch (InvalidPathException x) { |
| throw new CommandException("err.path.not.valid", value); |
| } |
| } |
| } |
| |
| static class DirPathConverter extends AbstractPathConverter { |
| static final ValueConverter<List<Path>> INSTANCE = new DirPathConverter(); |
| |
| @Override |
| public Path toPath(String value) { |
| try { |
| Path path = CWD.resolve(value); |
| if (Files.notExists(path)) |
| throw new CommandException("err.path.not.found", path); |
| if (!Files.isDirectory(path)) |
| throw new CommandException("err.path.not.a.dir", path); |
| return path; |
| } catch (InvalidPathException x) { |
| throw new CommandException("err.path.not.valid", value); |
| } |
| } |
| } |
| |
| static class ExtractDirPathConverter implements ValueConverter<Path> { |
| |
| @Override |
| public Path convert(String value) { |
| try { |
| Path path = CWD.resolve(value); |
| if (Files.exists(path)) { |
| if (!Files.isDirectory(path)) |
| throw new CommandException("err.cannot.create.dir", path); |
| } |
| return path; |
| } catch (InvalidPathException x) { |
| throw new CommandException("err.path.not.valid", value); |
| } |
| } |
| |
| @Override public Class<Path> valueType() { return Path.class; } |
| |
| @Override public String valuePattern() { return "path"; } |
| } |
| |
| static class ModuleVersionConverter implements ValueConverter<Version> { |
| @Override |
| public Version convert(String value) { |
| try { |
| return Version.parse(value); |
| } catch (IllegalArgumentException x) { |
| throw new CommandException("err.invalid.version", x.getMessage()); |
| } |
| } |
| |
| @Override public Class<Version> valueType() { return Version.class; } |
| |
| @Override public String valuePattern() { return "module-version"; } |
| } |
| |
| static class WarnIfResolvedReasonConverter |
| implements ValueConverter<ModuleResolution> |
| { |
| @Override |
| public ModuleResolution convert(String value) { |
| if (value.equals("deprecated")) |
| return ModuleResolution.empty().withDeprecated(); |
| else if (value.equals("deprecated-for-removal")) |
| return ModuleResolution.empty().withDeprecatedForRemoval(); |
| else if (value.equals("incubating")) |
| return ModuleResolution.empty().withIncubating(); |
| else |
| throw new CommandException("err.bad.WarnIfResolvedReason", value); |
| } |
| |
| @Override public Class<ModuleResolution> valueType() { |
| return ModuleResolution.class; |
| } |
| |
| @Override public String valuePattern() { return "reason"; } |
| } |
| |
| static class PatternConverter implements ValueConverter<Pattern> { |
| @Override |
| public Pattern convert(String value) { |
| try { |
| if (value.startsWith("regex:")) { |
| value = value.substring("regex:".length()).trim(); |
| } |
| |
| return Pattern.compile(value); |
| } catch (PatternSyntaxException e) { |
| throw new CommandException("err.bad.pattern", value); |
| } |
| } |
| |
| @Override public Class<Pattern> valueType() { return Pattern.class; } |
| |
| @Override public String valuePattern() { return "regex-pattern"; } |
| } |
| |
| static class PathMatcherConverter implements ValueConverter<PathMatcher> { |
| @Override |
| public PathMatcher convert(String pattern) { |
| try { |
| return Utils.getPathMatcher(FileSystems.getDefault(), pattern); |
| } catch (PatternSyntaxException e) { |
| throw new CommandException("err.bad.pattern", pattern); |
| } |
| } |
| |
| @Override public Class<PathMatcher> valueType() { return PathMatcher.class; } |
| |
| @Override public String valuePattern() { return "pattern-list"; } |
| } |
| |
| /* Support for @<file> in jmod help */ |
| private static final String CMD_FILENAME = "@<filename>"; |
| |
| /** |
| * This formatter is adding the @filename option and does the required |
| * formatting. |
| */ |
| private static final class JmodHelpFormatter extends BuiltinHelpFormatter { |
| |
| private final Options opts; |
| |
| private JmodHelpFormatter(Options opts) { |
| super(80, 2); |
| this.opts = opts; |
| } |
| |
| @Override |
| public String format(Map<String, ? extends OptionDescriptor> options) { |
| Map<String, OptionDescriptor> all = new LinkedHashMap<>(); |
| all.putAll(options); |
| |
| // extra options |
| if (!opts.helpExtra) { |
| all.remove("do-not-resolve-by-default"); |
| all.remove("warn-if-resolved"); |
| } |
| |
| all.put(CMD_FILENAME, new OptionDescriptor() { |
| @Override |
| public Collection<String> options() { |
| List<String> ret = new ArrayList<>(); |
| ret.add(CMD_FILENAME); |
| return ret; |
| } |
| @Override |
| public String description() { return getMessage("main.opt.cmdfile"); } |
| @Override |
| public List<?> defaultValues() { return Collections.emptyList(); } |
| @Override |
| public boolean isRequired() { return false; } |
| @Override |
| public boolean acceptsArguments() { return false; } |
| @Override |
| public boolean requiresArgument() { return false; } |
| @Override |
| public String argumentDescription() { return null; } |
| @Override |
| public String argumentTypeIndicator() { return null; } |
| @Override |
| public boolean representsNonOptions() { return false; } |
| }); |
| String content = super.format(all); |
| StringBuilder builder = new StringBuilder(); |
| |
| builder.append(getMessage("main.opt.mode")).append("\n "); |
| builder.append(getMessage("main.opt.mode.create")).append("\n "); |
| builder.append(getMessage("main.opt.mode.extract")).append("\n "); |
| builder.append(getMessage("main.opt.mode.list")).append("\n "); |
| builder.append(getMessage("main.opt.mode.describe")).append("\n "); |
| builder.append(getMessage("main.opt.mode.hash")).append("\n\n"); |
| |
| String cmdfile = null; |
| String[] lines = content.split("\n"); |
| for (String line : lines) { |
| if (line.startsWith("--@")) { |
| cmdfile = line.replace("--" + CMD_FILENAME, CMD_FILENAME + " "); |
| } else if (line.startsWith("Option") || line.startsWith("------")) { |
| builder.append(" ").append(line).append("\n"); |
| } else if (!line.matches("Non-option arguments")){ |
| builder.append(" ").append(line).append("\n"); |
| } |
| } |
| if (cmdfile != null) { |
| builder.append(" ").append(cmdfile).append("\n"); |
| } |
| return builder.toString(); |
| } |
| } |
| |
| private final OptionParser parser = new OptionParser("hp"); |
| |
| private void handleOptions(String[] args) { |
| options = new Options(); |
| parser.formatHelpWith(new JmodHelpFormatter(options)); |
| |
| OptionSpec<List<Path>> classPath |
| = parser.accepts("class-path", getMessage("main.opt.class-path")) |
| .withRequiredArg() |
| .withValuesConvertedBy(ClassPathConverter.INSTANCE); |
| |
| OptionSpec<List<Path>> cmds |
| = parser.accepts("cmds", getMessage("main.opt.cmds")) |
| .withRequiredArg() |
| .withValuesConvertedBy(DirPathConverter.INSTANCE); |
| |
| OptionSpec<List<Path>> config |
| = parser.accepts("config", getMessage("main.opt.config")) |
| .withRequiredArg() |
| .withValuesConvertedBy(DirPathConverter.INSTANCE); |
| |
| OptionSpec<Path> dir |
| = parser.accepts("dir", getMessage("main.opt.extractDir")) |
| .withRequiredArg() |
| .withValuesConvertedBy(new ExtractDirPathConverter()); |
| |
| OptionSpec<Void> dryrun |
| = parser.accepts("dry-run", getMessage("main.opt.dry-run")); |
| |
| OptionSpec<PathMatcher> excludes |
| = parser.accepts("exclude", getMessage("main.opt.exclude")) |
| .withRequiredArg() |
| .withValuesConvertedBy(new PathMatcherConverter()); |
| |
| OptionSpec<Pattern> hashModules |
| = parser.accepts("hash-modules", getMessage("main.opt.hash-modules")) |
| .withRequiredArg() |
| .withValuesConvertedBy(new PatternConverter()); |
| |
| OptionSpec<Void> help |
| = parser.acceptsAll(Set.of("h", "help"), getMessage("main.opt.help")) |
| .forHelp(); |
| |
| OptionSpec<Void> helpExtra |
| = parser.accepts("help-extra", getMessage("main.opt.help-extra")); |
| |
| OptionSpec<List<Path>> headerFiles |
| = parser.accepts("header-files", getMessage("main.opt.header-files")) |
| .withRequiredArg() |
| .withValuesConvertedBy(DirPathConverter.INSTANCE); |
| |
| OptionSpec<List<Path>> libs |
| = parser.accepts("libs", getMessage("main.opt.libs")) |
| .withRequiredArg() |
| .withValuesConvertedBy(DirPathConverter.INSTANCE); |
| |
| OptionSpec<List<Path>> legalNotices |
| = parser.accepts("legal-notices", getMessage("main.opt.legal-notices")) |
| .withRequiredArg() |
| .withValuesConvertedBy(DirPathConverter.INSTANCE); |
| |
| |
| OptionSpec<String> mainClass |
| = parser.accepts("main-class", getMessage("main.opt.main-class")) |
| .withRequiredArg() |
| .describedAs(getMessage("main.opt.main-class.arg")); |
| |
| OptionSpec<List<Path>> manPages |
| = parser.accepts("man-pages", getMessage("main.opt.man-pages")) |
| .withRequiredArg() |
| .withValuesConvertedBy(DirPathConverter.INSTANCE); |
| |
| OptionSpec<List<Path>> modulePath |
| = parser.acceptsAll(Set.of("p", "module-path"), |
| getMessage("main.opt.module-path")) |
| .withRequiredArg() |
| .withValuesConvertedBy(DirPathConverter.INSTANCE); |
| |
| OptionSpec<Version> moduleVersion |
| = parser.accepts("module-version", getMessage("main.opt.module-version")) |
| .withRequiredArg() |
| .withValuesConvertedBy(new ModuleVersionConverter()); |
| |
| OptionSpec<String> targetPlatform |
| = parser.accepts("target-platform", getMessage("main.opt.target-platform")) |
| .withRequiredArg() |
| .describedAs(getMessage("main.opt.target-platform.arg")); |
| |
| OptionSpec<Void> doNotResolveByDefault |
| = parser.accepts("do-not-resolve-by-default", |
| getMessage("main.opt.do-not-resolve-by-default")); |
| |
| OptionSpec<ModuleResolution> warnIfResolved |
| = parser.accepts("warn-if-resolved", getMessage("main.opt.warn-if-resolved")) |
| .withRequiredArg() |
| .withValuesConvertedBy(new WarnIfResolvedReasonConverter()); |
| |
| OptionSpec<Void> version |
| = parser.accepts("version", getMessage("main.opt.version")); |
| |
| NonOptionArgumentSpec<String> nonOptions |
| = parser.nonOptions(); |
| |
| try { |
| OptionSet opts = parser.parse(args); |
| |
| if (opts.has(help) || opts.has(helpExtra) || opts.has(version)) { |
| options.help = opts.has(help); |
| options.helpExtra = opts.has(helpExtra); |
| options.version = opts.has(version); |
| return; // informational message will be shown |
| } |
| |
| List<String> words = opts.valuesOf(nonOptions); |
| if (words.isEmpty()) |
| throw new CommandException("err.missing.mode").showUsage(true); |
| String verb = words.get(0); |
| try { |
| options.mode = Enum.valueOf(Mode.class, verb.toUpperCase()); |
| } catch (IllegalArgumentException e) { |
| throw new CommandException("err.invalid.mode", verb).showUsage(true); |
| } |
| |
| if (opts.has(classPath)) |
| options.classpath = getLastElement(opts.valuesOf(classPath)); |
| if (opts.has(cmds)) |
| options.cmds = getLastElement(opts.valuesOf(cmds)); |
| if (opts.has(config)) |
| options.configs = getLastElement(opts.valuesOf(config)); |
| if (opts.has(dir)) |
| options.extractDir = getLastElement(opts.valuesOf(dir)); |
| if (opts.has(dryrun)) |
| options.dryrun = true; |
| if (opts.has(excludes)) |
| options.excludes = opts.valuesOf(excludes); // excludes is repeatable |
| if (opts.has(libs)) |
| options.libs = getLastElement(opts.valuesOf(libs)); |
| if (opts.has(headerFiles)) |
| options.headerFiles = getLastElement(opts.valuesOf(headerFiles)); |
| if (opts.has(manPages)) |
| options.manPages = getLastElement(opts.valuesOf(manPages)); |
| if (opts.has(legalNotices)) |
| options.legalNotices = getLastElement(opts.valuesOf(legalNotices)); |
| if (opts.has(modulePath)) { |
| Path[] dirs = getLastElement(opts.valuesOf(modulePath)).toArray(new Path[0]); |
| options.moduleFinder = ModulePath.of(Runtime.version(), true, dirs); |
| } |
| if (opts.has(moduleVersion)) |
| options.moduleVersion = getLastElement(opts.valuesOf(moduleVersion)); |
| if (opts.has(mainClass)) |
| options.mainClass = getLastElement(opts.valuesOf(mainClass)); |
| if (opts.has(targetPlatform)) |
| options.targetPlatform = getLastElement(opts.valuesOf(targetPlatform)); |
| if (opts.has(warnIfResolved)) |
| options.moduleResolution = getLastElement(opts.valuesOf(warnIfResolved)); |
| if (opts.has(doNotResolveByDefault)) { |
| if (options.moduleResolution == null) |
| options.moduleResolution = ModuleResolution.empty(); |
| options.moduleResolution = options.moduleResolution.withDoNotResolveByDefault(); |
| } |
| if (opts.has(hashModules)) { |
| options.modulesToHash = getLastElement(opts.valuesOf(hashModules)); |
| // if storing hashes then the module path is required |
| if (options.moduleFinder == null) |
| throw new CommandException("err.modulepath.must.be.specified") |
| .showUsage(true); |
| } |
| |
| if (options.mode.equals(Mode.HASH)) { |
| if (options.moduleFinder == null || options.modulesToHash == null) |
| throw new CommandException("err.modulepath.must.be.specified") |
| .showUsage(true); |
| } else { |
| if (words.size() <= 1) |
| throw new CommandException("err.jmod.must.be.specified").showUsage(true); |
| Path path = Paths.get(words.get(1)); |
| |
| if (options.mode.equals(Mode.CREATE) && Files.exists(path)) |
| throw new CommandException("err.file.already.exists", path); |
| else if ((options.mode.equals(Mode.LIST) || |
| options.mode.equals(Mode.DESCRIBE) || |
| options.mode.equals((Mode.EXTRACT))) |
| && Files.notExists(path)) |
| throw new CommandException("err.jmod.not.found", path); |
| |
| if (options.dryrun) { |
| throw new CommandException("err.invalid.dryrun.option"); |
| } |
| options.jmodFile = path; |
| |
| if (words.size() > 2) |
| throw new CommandException("err.unknown.option", |
| words.subList(2, words.size())).showUsage(true); |
| } |
| |
| if (options.mode.equals(Mode.CREATE) && options.classpath == null) |
| throw new CommandException("err.classpath.must.be.specified").showUsage(true); |
| if (options.mainClass != null && !isValidJavaIdentifier(options.mainClass)) |
| throw new CommandException("err.invalid.main-class", options.mainClass); |
| if (options.mode.equals(Mode.EXTRACT) && options.extractDir != null) { |
| try { |
| Files.createDirectories(options.extractDir); |
| } catch (IOException ioe) { |
| throw new CommandException("err.cannot.create.dir", options.extractDir); |
| } |
| } |
| } catch (OptionException e) { |
| throw new CommandException(e.getMessage()); |
| } |
| } |
| |
| /** |
| * Returns true if, and only if, the given main class is a legal. |
| */ |
| static boolean isValidJavaIdentifier(String mainClass) { |
| if (mainClass.length() == 0) |
| return false; |
| |
| if (!Character.isJavaIdentifierStart(mainClass.charAt(0))) |
| return false; |
| |
| int n = mainClass.length(); |
| for (int i=1; i < n; i++) { |
| char c = mainClass.charAt(i); |
| if (!Character.isJavaIdentifierPart(c) && c != '.') |
| return false; |
| } |
| if (mainClass.charAt(n-1) == '.') |
| return false; |
| |
| return true; |
| } |
| |
| static <E> E getLastElement(List<E> list) { |
| if (list.size() == 0) |
| throw new InternalError("Unexpected 0 list size"); |
| return list.get(list.size() - 1); |
| } |
| |
| private void reportError(String message) { |
| out.println(getMessage("error.prefix") + " " + message); |
| } |
| |
| private void warning(String key, Object... args) { |
| out.println(getMessage("warn.prefix") + " " + getMessage(key, args)); |
| } |
| |
| private void showUsageSummary() { |
| out.println(getMessage("main.usage.summary", PROGNAME)); |
| } |
| |
| private void showHelp() { |
| out.println(getMessage("main.usage", PROGNAME)); |
| try { |
| parser.printHelpOn(out); |
| } catch (IOException x) { |
| throw new AssertionError(x); |
| } |
| } |
| |
| private void showVersion() { |
| out.println(version()); |
| } |
| |
| private String version() { |
| return System.getProperty("java.version"); |
| } |
| |
| private static String getMessage(String key, Object... args) { |
| try { |
| return MessageFormat.format(ResourceBundleHelper.bundle.getString(key), args); |
| } catch (MissingResourceException e) { |
| throw new InternalError("Missing message: " + key); |
| } |
| } |
| |
| private static class ResourceBundleHelper { |
| static final ResourceBundle bundle; |
| |
| static { |
| Locale locale = Locale.getDefault(); |
| try { |
| bundle = ResourceBundle.getBundle("jdk.tools.jmod.resources.jmod", locale); |
| } catch (MissingResourceException e) { |
| throw new InternalError("Cannot find jmod resource bundle for locale " + locale); |
| } |
| } |
| } |
| } |