jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/jdeps/JdepsTask.java@e2abef6f10b9 (annotated)

src/share/classes/com/sun/tools/jdeps/JdepsTask.java@e2abef6f10b9 (annotated)

src/share/classes/com/sun/tools/jdeps/JdepsTask.java

Thu, 27 Apr 2017 16:18:18 -0700

author: bchristi
date: Thu, 27 Apr 2017 16:18:18 -0700
changeset 3389: e2abef6f10b9
parent 3368: f206126308bc
child 3446: e468915bad3a
permissions: -rw-r--r--

8176329: jdeps to detect MR jar file and output a warning
Reviewed-by: mchung

 /*
  * Copyright (c) 2012, 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 com.sun.tools.jdeps;
 import com.sun.tools.classfile.AccessFlags;
 import com.sun.tools.classfile.ClassFile;
 import com.sun.tools.classfile.ConstantPoolException;
 import com.sun.tools.classfile.Dependencies;
 import com.sun.tools.classfile.Dependencies.ClassFileError;
 import com.sun.tools.classfile.Dependency;
 import com.sun.tools.classfile.Dependency.Location;
 import com.sun.tools.jdeps.PlatformClassPath.JDKArchive;
 import static com.sun.tools.jdeps.Analyzer.Type.*;
 import java.io.*;
 import java.nio.file.DirectoryStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.text.MessageFormat;
 import java.util.*;
 import java.util.regex.Pattern;
 /**
  * Implementation for the jdeps tool for static class dependency analysis.
  */
 class JdepsTask {
     static class BadArgs extends Exception {
         static final long serialVersionUID = 8765093759964640721L;
         BadArgs(String key, Object... args) {
             super(JdepsTask.getMessage(key, args));
             this.key = key;
             this.args = args;
         }
         BadArgs showUsage(boolean b) {
             showUsage = b;
             return this;
         }
         final String key;
         final Object[] args;
         boolean showUsage;
     }
     static abstract class Option {
         Option(boolean hasArg, String... aliases) {
             this.hasArg = hasArg;
             this.aliases = aliases;
         }
         boolean isHidden() {
             return false;
         }
         boolean matches(String opt) {
             for (String a : aliases) {
                 if (a.equals(opt))
                     return true;
                 if (hasArg && opt.startsWith(a + "="))
                     return true;
             }
             return false;
         }
         boolean ignoreRest() {
             return false;
         }
         abstract void process(JdepsTask task, String opt, String arg) throws BadArgs;
         final boolean hasArg;
         final String[] aliases;
     }
     static abstract class HiddenOption extends Option {
         HiddenOption(boolean hasArg, String... aliases) {
             super(hasArg, aliases);
         }
         boolean isHidden() {
             return true;
         }
     }
     static Option[] recognizedOptions = {
         new Option(false, "-h", "-?", "-help") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.help = true;
             }
         },
         new Option(true, "-dotoutput") {
             void process(JdepsTask task, String opt, String arg) throws BadArgs {
                 Path p = Paths.get(arg);
                 if (Files.exists(p) && (!Files.isDirectory(p) || !Files.isWritable(p))) {
                     throw new BadArgs("err.invalid.path", arg);
                 }
                 task.options.dotOutputDir = arg;
             }
         },
         new Option(false, "-s", "-summary") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.showSummary = true;
                 task.options.verbose = SUMMARY;
             }
         },
         new Option(false, "-v", "-verbose",
                           "-verbose:package",
                           "-verbose:class") {
             void process(JdepsTask task, String opt, String arg) throws BadArgs {
                 switch (opt) {
                     case "-v":
                     case "-verbose":
                         task.options.verbose = VERBOSE;
                         task.options.filterSameArchive = false;
                         task.options.filterSamePackage = false;
                         break;
                     case "-verbose:package":
                         task.options.verbose = PACKAGE;
                         break;
                     case "-verbose:class":
                         task.options.verbose = CLASS;
                         break;
                     default:
                         throw new BadArgs("err.invalid.arg.for.option", opt);
                 }
             }
         },
         new Option(true, "-cp", "-classpath") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.classpath = arg;
             }
         },
         new Option(true, "-p", "-package") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.packageNames.add(arg);
             }
         },
         new Option(true, "-e", "-regex") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.regex = arg;
             }
         },
         new Option(true, "-f", "-filter") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.filterRegex = arg;
             }
         },
         new Option(false, "-filter:package",
                           "-filter:archive",
                           "-filter:none") {
             void process(JdepsTask task, String opt, String arg) {
                 switch (opt) {
                     case "-filter:package":
                         task.options.filterSamePackage = true;
                         task.options.filterSameArchive = false;
                         break;
                     case "-filter:archive":
                         task.options.filterSameArchive = true;
                         task.options.filterSamePackage = false;
                         break;
                     case "-filter:none":
                         task.options.filterSameArchive = false;
                         task.options.filterSamePackage = false;
                         break;
                 }
             }
         },
         new Option(true, "-include") {
             void process(JdepsTask task, String opt, String arg) throws BadArgs {
                 task.options.includePattern = Pattern.compile(arg);
             }
         },
         new Option(false, "-P", "-profile") {
             void process(JdepsTask task, String opt, String arg) throws BadArgs {
                 task.options.showProfile = true;
                 if (Profile.getProfileCount() == 0) {
                     throw new BadArgs("err.option.unsupported", opt, getMessage("err.profiles.msg"));
                 }
             }
         },
         new Option(false, "-apionly") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.apiOnly = true;
             }
         },
         new Option(false, "-R", "-recursive") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.depth = 0;
                 // turn off filtering
                 task.options.filterSameArchive = false;
                 task.options.filterSamePackage = false;
             }
         },
         new Option(false, "-jdkinternals") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.findJDKInternals = true;
                 task.options.verbose = CLASS;
                 if (task.options.includePattern == null) {
                     task.options.includePattern = Pattern.compile(".*");
                 }
             }
         },
         new Option(false, "-version") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.version = true;
             }
         },
         new HiddenOption(false, "-fullversion") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.fullVersion = true;
             }
         },
         new HiddenOption(false, "-showlabel") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.showLabel = true;
             }
         },
         new HiddenOption(false, "-q", "-quiet") {
             void process(JdepsTask task, String opt, String arg) {
                 task.options.nowarning = true;
             }
         },
         new HiddenOption(true, "-depth") {
             void process(JdepsTask task, String opt, String arg) throws BadArgs {
                 try {
                     task.options.depth = Integer.parseInt(arg);
                 } catch (NumberFormatException e) {
                     throw new BadArgs("err.invalid.arg.for.option", opt);
                 }
             }
         },
     };
     private static final String PROGNAME = "jdeps";
     private final Options options = new Options();
     private final List<String> classes = new ArrayList<>();
     private PrintWriter log;
     void setLog(PrintWriter out) {
         log = 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
     int run(String[] args) {
         if (log == null) {
             log = new PrintWriter(System.out);
         }
         try {
             handleOptions(args);
             if (options.help) {
                 showHelp();
             }
             if (options.version || options.fullVersion) {
                 showVersion(options.fullVersion);
             }
             if (classes.isEmpty() && options.includePattern == null) {
                 if (options.help || options.version || options.fullVersion) {
                     return EXIT_OK;
                 } else {
                     showHelp();
                     return EXIT_CMDERR;
                 }
             }
             if (options.regex != null && options.packageNames.size() > 0) {
                 showHelp();
                 return EXIT_CMDERR;
             }
             if (options.findJDKInternals &&
                    (options.regex != null || options.packageNames.size() > 0 || options.showSummary)) {
                 showHelp();
                 return EXIT_CMDERR;
             }
             if (options.showSummary && options.verbose != SUMMARY) {
                 showHelp();
                 return EXIT_CMDERR;
             }
             boolean ok = run();
             return ok ? EXIT_OK : EXIT_ERROR;
         } catch (BadArgs e) {
             reportError(e.key, e.args);
             if (e.showUsage) {
                 log.println(getMessage("main.usage.summary", PROGNAME));
             }
             return EXIT_CMDERR;
         } catch (IOException e) {
             return EXIT_ABNORMAL;
         } finally {
             log.flush();
         }
     }
     private final List<Archive> sourceLocations = new ArrayList<>();
     private boolean run() throws IOException {
         // parse classfiles and find all dependencies
         findDependencies();
         Analyzer analyzer = new Analyzer(options.verbose, new Analyzer.Filter() {
             @Override
             public boolean accepts(Location origin, Archive originArchive,
                                    Location target, Archive targetArchive)
             {
                 if (options.findJDKInternals) {
                     // accepts target that is JDK class but not exported
                     return isJDKArchive(targetArchive) &&
                               !((JDKArchive) targetArchive).isExported(target.getClassName());
                 } else if (options.filterSameArchive) {
                     // accepts origin and target that from different archive
                     return originArchive != targetArchive;
                 }
                 return true;
             }
         });
         // analyze the dependencies
         analyzer.run(sourceLocations);
         // output result
         if (options.dotOutputDir != null) {
             Path dir = Paths.get(options.dotOutputDir);
             Files.createDirectories(dir);
             generateDotFiles(dir, analyzer);
         } else {
             printRawOutput(log, analyzer);
         }
         if (options.findJDKInternals && !options.nowarning) {
             showReplacements(analyzer);
         }
         return true;
     }
     private void generateSummaryDotFile(Path dir, Analyzer analyzer) throws IOException {
         // If verbose mode (-v or -verbose option),
         // the summary.dot file shows package-level dependencies.
         Analyzer.Type summaryType =
             (options.verbose == PACKAGE || options.verbose == SUMMARY) ? SUMMARY : PACKAGE;
         Path summary = dir.resolve("summary.dot");
         try (PrintWriter sw = new PrintWriter(Files.newOutputStream(summary));
              SummaryDotFile dotfile = new SummaryDotFile(sw, summaryType)) {
             for (Archive archive : sourceLocations) {
                 if (!archive.isEmpty()) {
                     if (options.verbose == PACKAGE || options.verbose == SUMMARY) {
                         if (options.showLabel) {
                             // build labels listing package-level dependencies
                             analyzer.visitDependences(archive, dotfile.labelBuilder(), PACKAGE);
                         }
                     }
                     analyzer.visitDependences(archive, dotfile, summaryType);
                 }
             }
         }
     }
     private void generateDotFiles(Path dir, Analyzer analyzer) throws IOException {
         // output individual .dot file for each archive
         if (options.verbose != SUMMARY) {
             for (Archive archive : sourceLocations) {
                 if (analyzer.hasDependences(archive)) {
                     Path dotfile = dir.resolve(archive.getName() + ".dot");
                     try (PrintWriter pw = new PrintWriter(Files.newOutputStream(dotfile));
                          DotFileFormatter formatter = new DotFileFormatter(pw, archive)) {
                         analyzer.visitDependences(archive, formatter);
                     }
                 }
             }
         }
         // generate summary dot file
         generateSummaryDotFile(dir, analyzer);
     }
     private void printRawOutput(PrintWriter writer, Analyzer analyzer) {
         RawOutputFormatter depFormatter = new RawOutputFormatter(writer);
         RawSummaryFormatter summaryFormatter = new RawSummaryFormatter(writer);
         for (Archive archive : sourceLocations) {
             if (!archive.isEmpty()) {
                 analyzer.visitDependences(archive, summaryFormatter, SUMMARY);
                 if (analyzer.hasDependences(archive) && options.verbose != SUMMARY) {
                     analyzer.visitDependences(archive, depFormatter);
                 }
             }
         }
     }
     private boolean isValidClassName(String name) {
         if (!Character.isJavaIdentifierStart(name.charAt(0))) {
             return false;
         }
         for (int i=1; i < name.length(); i++) {
             char c = name.charAt(i);
             if (c != '.'  && !Character.isJavaIdentifierPart(c)) {
                 return false;
             }
         }
         return true;
     }
     /*
      * Dep Filter configured based on the input jdeps option
      * 1. -p and -regex to match target dependencies
      * 2. -filter:package to filter out same-package dependencies
      *
      * This filter is applied when jdeps parses the class files
      * and filtered dependencies are not stored in the Analyzer.
      *
      * -filter:archive is applied later in the Analyzer as the
      * containing archive of a target class may not be known until
      * the entire archive
      */
     class DependencyFilter implements Dependency.Filter {
         final Dependency.Filter filter;
         final Pattern filterPattern;
         DependencyFilter() {
             if (options.regex != null) {
                 this.filter = Dependencies.getRegexFilter(Pattern.compile(options.regex));
             } else if (options.packageNames.size() > 0) {
                 this.filter = Dependencies.getPackageFilter(options.packageNames, false);
             } else {
                 this.filter = null;
             }
             this.filterPattern =
                 options.filterRegex != null ? Pattern.compile(options.filterRegex) : null;
         }
         @Override
         public boolean accepts(Dependency d) {
             if (d.getOrigin().equals(d.getTarget())) {
                 return false;
             }
             String pn = d.getTarget().getPackageName();
             if (options.filterSamePackage && d.getOrigin().getPackageName().equals(pn)) {
                 return false;
             }
             if (filterPattern != null && filterPattern.matcher(pn).matches()) {
                 return false;
             }
             return filter != null ? filter.accepts(d) : true;
         }
     }
     /**
      * Tests if the given class matches the pattern given in the -include option
      * or if it's a public class if -apionly option is specified
      */
     private boolean matches(String classname, AccessFlags flags) {
         if (options.apiOnly && !flags.is(AccessFlags.ACC_PUBLIC)) {
             return false;
         } else if (options.includePattern != null) {
             return options.includePattern.matcher(classname.replace('/', '.')).matches();
         } else {
             return true;
         }
     }
     private void findDependencies() throws IOException {
         Dependency.Finder finder =
             options.apiOnly ? Dependencies.getAPIFinder(AccessFlags.ACC_PROTECTED)
                             : Dependencies.getClassDependencyFinder();
         Dependency.Filter filter = new DependencyFilter();
         List<Archive> archives = new ArrayList<>();
         Deque<String> roots = new LinkedList<>();
         List<Path> paths = new ArrayList<>();
         for (String s : classes) {
             Path p = Paths.get(s);
             if (Files.exists(p)) {
                 paths.add(p);
                 archives.add(Archive.getInstance(p));
             } else {
                 if (isValidClassName(s)) {
                     roots.add(s);
                 } else {
                     warning("warn.invalid.arg", s);
                 }
             }
         }
         sourceLocations.addAll(archives);
         List<Archive> classpaths = new ArrayList<>(); // for class file lookup
         classpaths.addAll(getClassPathArchives(options.classpath, paths));
         if (options.includePattern != null) {
             archives.addAll(classpaths);
         }
         classpaths.addAll(PlatformClassPath.getArchives());
         // add all classpath archives to the source locations for reporting
         sourceLocations.addAll(classpaths);
         // warn about Multi-Release jars
         for (Archive a : sourceLocations) {
             if (a.reader().isMultiReleaseJar()) {
                 warning("warn.mrjar.usejdk9", a.getPathName());
             }
         }
         // Work queue of names of classfiles to be searched.
         // Entries will be unique, and for classes that do not yet have
         // dependencies in the results map.
         Deque<String> deque = new LinkedList<>();
         Set<String> doneClasses = new HashSet<>();
         // get the immediate dependencies of the input files
         for (Archive a : archives) {
             for (ClassFile cf : a.reader().getClassFiles()) {
                 String classFileName;
                 try {
                     classFileName = cf.getName();
                 } catch (ConstantPoolException e) {
                     throw new ClassFileError(e);
                 }
                 // tests if this class matches the -include or -apiOnly option if specified
                 if (!matches(classFileName, cf.access_flags)) {
                     continue;
                 }
                 if (!doneClasses.contains(classFileName)) {
                     doneClasses.add(classFileName);
                 }
                 for (Dependency d : finder.findDependencies(cf)) {
                     if (filter.accepts(d)) {
                         String cn = d.getTarget().getName();
                         if (!doneClasses.contains(cn) && !deque.contains(cn)) {
                             deque.add(cn);
                         }
                         a.addClass(d.getOrigin(), d.getTarget());
                     } else {
                         // ensure that the parsed class is added the archive
                         a.addClass(d.getOrigin());
                     }
                 }
                 for (String name : a.reader().skippedEntries()) {
                     warning("warn.skipped.entry", name, a.getPathName());
                 }
             }
         }
         // add Archive for looking up classes from the classpath
         // for transitive dependency analysis
         Deque<String> unresolved = roots;
         int depth = options.depth > 0 ? options.depth : Integer.MAX_VALUE;
         do {
             String name;
             while ((name = unresolved.poll()) != null) {
                 if (doneClasses.contains(name)) {
                     continue;
                 }
                 ClassFile cf = null;
                 for (Archive a : classpaths) {
                     cf = a.reader().getClassFile(name);
                     if (cf != null) {
                         String classFileName;
                         try {
                             classFileName = cf.getName();
                         } catch (ConstantPoolException e) {
                             throw new ClassFileError(e);
                         }
                         if (!doneClasses.contains(classFileName)) {
                             // if name is a fully-qualified class name specified
                             // from command-line, this class might already be parsed
                             doneClasses.add(classFileName);
                             // process @jdk.Exported for JDK classes
                             if (isJDKArchive(a)) {
                                 ((JDKArchive)a).processJdkExported(cf);
                             }
                             for (Dependency d : finder.findDependencies(cf)) {
                                 if (depth == 0) {
                                     // ignore the dependency
                                     a.addClass(d.getOrigin());
                                     break;
                                 } else if (filter.accepts(d)) {
                                     a.addClass(d.getOrigin(), d.getTarget());
                                     String cn = d.getTarget().getName();
                                     if (!doneClasses.contains(cn) && !deque.contains(cn)) {
                                         deque.add(cn);
                                     }
                                 } else {
                                     // ensure that the parsed class is added the archive
                                     a.addClass(d.getOrigin());
                                 }
                             }
                         }
                         break;
                     }
                 }
                 if (cf == null) {
                     doneClasses.add(name);
                 }
             }
             unresolved = deque;
             deque = new LinkedList<>();
         } while (!unresolved.isEmpty() && depth-- > 0);
     }
     public void handleOptions(String[] args) throws BadArgs {
         // process options
         for (int i=0; i < args.length; i++) {
             if (args[i].charAt(0) == '-') {
                 String name = args[i];
                 Option option = getOption(name);
                 String param = null;
                 if (option.hasArg) {
                     if (name.startsWith("-") && name.indexOf('=') > 0) {
                         param = name.substring(name.indexOf('=') + 1, name.length());
                     } else if (i + 1 < args.length) {
                         param = args[++i];
                     }
                     if (param == null || param.isEmpty() || param.charAt(0) == '-') {
                         throw new BadArgs("err.missing.arg", name).showUsage(true);
                     }
                 }
                 option.process(this, name, param);
                 if (option.ignoreRest()) {
                     i = args.length;
                 }
             } else {
                 // process rest of the input arguments
                 for (; i < args.length; i++) {
                     String name = args[i];
                     if (name.charAt(0) == '-') {
                         throw new BadArgs("err.option.after.class", name).showUsage(true);
                     }
                     classes.add(name);
                 }
             }
         }
     }
     private Option getOption(String name) throws BadArgs {
         for (Option o : recognizedOptions) {
             if (o.matches(name)) {
                 return o;
             }
         }
         throw new BadArgs("err.unknown.option", name).showUsage(true);
     }
     private void reportError(String key, Object... args) {
         log.println(getMessage("error.prefix") + " " + getMessage(key, args));
     }
     private void warning(String key, Object... args) {
         log.println(getMessage("warn.prefix") + " " + getMessage(key, args));
     }
     private void showHelp() {
         log.println(getMessage("main.usage", PROGNAME));
         for (Option o : recognizedOptions) {
             String name = o.aliases[0].substring(1); // there must always be at least one name
             name = name.charAt(0) == '-' ? name.substring(1) : name;
             if (o.isHidden() || name.equals("h") || name.startsWith("filter:")) {
                 continue;
             }
             log.println(getMessage("main.opt." + name));
         }
     }
     private void showVersion(boolean full) {
         log.println(version(full ? "full" : "release"));
     }
     private String version(String key) {
         // key=version:  mm.nn.oo[-milestone]
         // key=full:     mm.mm.oo[-milestone]-build
         if (ResourceBundleHelper.versionRB == null) {
             return System.getProperty("java.version");
         }
         try {
             return ResourceBundleHelper.versionRB.getString(key);
         } catch (MissingResourceException e) {
             return getMessage("version.unknown", System.getProperty("java.version"));
         }
     }
     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 Options {
         boolean help;
         boolean version;
         boolean fullVersion;
         boolean showProfile;
         boolean showSummary;
         boolean apiOnly;
         boolean showLabel;
         boolean findJDKInternals;
         boolean nowarning;
         // default is to show package-level dependencies
         // and filter references from same package
         Analyzer.Type verbose = PACKAGE;
         boolean filterSamePackage = true;
         boolean filterSameArchive = false;
         String filterRegex;
         String dotOutputDir;
         String classpath = "";
         int depth = 1;
         Set<String> packageNames = new HashSet<>();
         String regex;             // apply to the dependences
         Pattern includePattern;   // apply to classes
     }
     private static class ResourceBundleHelper {
         static final ResourceBundle versionRB;
         static final ResourceBundle bundle;
         static final ResourceBundle jdkinternals;
         static {
             Locale locale = Locale.getDefault();
             try {
                 bundle = ResourceBundle.getBundle("com.sun.tools.jdeps.resources.jdeps", locale);
             } catch (MissingResourceException e) {
                 throw new InternalError("Cannot find jdeps resource bundle for locale " + locale);
             }
             try {
                 versionRB = ResourceBundle.getBundle("com.sun.tools.jdeps.resources.version");
             } catch (MissingResourceException e) {
                 throw new InternalError("version.resource.missing");
             }
             try {
                 jdkinternals = ResourceBundle.getBundle("com.sun.tools.jdeps.resources.jdkinternals");
             } catch (MissingResourceException e) {
                 throw new InternalError("Cannot find jdkinternals resource bundle");
             }
         }
     }
     /*
      * Returns the list of Archive specified in cpaths and not included
      * initialArchives
      */
     private List<Archive> getClassPathArchives(String cpaths, List<Path> initialArchives)
             throws IOException
     {
         List<Archive> result = new ArrayList<>();
         if (cpaths.isEmpty()) {
             return result;
         }
         List<Path> paths = new ArrayList<>();
         for (String p : cpaths.split(File.pathSeparator)) {
             if (p.length() > 0) {
                 // wildcard to parse all JAR files e.g. -classpath dir/*
                 int i = p.lastIndexOf(".*");
                 if (i > 0) {
                     Path dir = Paths.get(p.substring(0, i));
                     try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir, "*.jar")) {
                         for (Path entry : stream) {
                             paths.add(entry);
                         }
                     }
                 } else {
                     paths.add(Paths.get(p));
                 }
             }
         }
         for (Path p : paths) {
             if (Files.exists(p) && !hasSameFile(initialArchives, p)) {
                 result.add(Archive.getInstance(p));
             }
         }
         return result;
     }
     private boolean hasSameFile(List<Path> paths, Path p2) throws IOException {
         for (Path p1 : paths) {
             if (Files.isSameFile(p1, p2)) {
                 return true;
             }
         }
         return false;
     }
     class RawOutputFormatter implements Analyzer.Visitor {
         private final PrintWriter writer;
         private String pkg = "";
         RawOutputFormatter(PrintWriter writer) {
             this.writer = writer;
         }
         @Override
         public void visitDependence(String origin, Archive originArchive,
                                     String target, Archive targetArchive) {
             String tag = toTag(target, targetArchive);
             if (options.verbose == VERBOSE) {
                 writer.format("   %-50s -> %-50s %s%n", origin, target, tag);
             } else {
                 if (!origin.equals(pkg)) {
                     pkg = origin;
                     writer.format("   %s (%s)%n", origin, originArchive.getName());
                 }
                 writer.format("      -> %-50s %s%n", target, tag);
             }
         }
     }
     class RawSummaryFormatter implements Analyzer.Visitor {
         private final PrintWriter writer;
         RawSummaryFormatter(PrintWriter writer) {
             this.writer = writer;
         }
         @Override
         public void visitDependence(String origin, Archive originArchive,
                                     String target, Archive targetArchive) {
             writer.format("%s -> %s", originArchive.getName(), targetArchive.getPathName());
             if (options.showProfile && JDKArchive.isProfileArchive(targetArchive)) {
                 writer.format(" (%s)", target);
             }
             writer.format("%n");
         }
     }
     class DotFileFormatter implements Analyzer.Visitor, AutoCloseable {
         private final PrintWriter writer;
         private final String name;
         DotFileFormatter(PrintWriter writer, Archive archive) {
             this.writer = writer;
             this.name = archive.getName();
             writer.format("digraph \"%s\" {%n", name);
             writer.format("    // Path: %s%n", archive.getPathName());
         }
         @Override
         public void close() {
             writer.println("}");
         }
         @Override
         public void visitDependence(String origin, Archive originArchive,
                                     String target, Archive targetArchive) {
             String tag = toTag(target, targetArchive);
             writer.format("   %-50s -> \"%s\";%n",
                           String.format("\"%s\"", origin),
                           tag.isEmpty() ? target
                                         : String.format("%s (%s)", target, tag));
         }
     }
     class SummaryDotFile implements Analyzer.Visitor, AutoCloseable {
         private final PrintWriter writer;
         private final Analyzer.Type type;
         private final Map<Archive, Map<Archive,StringBuilder>> edges = new HashMap<>();
         SummaryDotFile(PrintWriter writer, Analyzer.Type type) {
             this.writer = writer;
             this.type = type;
             writer.format("digraph \"summary\" {%n");
         }
         @Override
         public void close() {
             writer.println("}");
         }
         @Override
         public void visitDependence(String origin, Archive originArchive,
                                     String target, Archive targetArchive) {
             String targetName = type == PACKAGE ? target : targetArchive.getName();
             if (type == PACKAGE) {
                 String tag = toTag(target, targetArchive, type);
                 if (!tag.isEmpty())
                     targetName += " (" + tag + ")";
             } else if (options.showProfile && JDKArchive.isProfileArchive(targetArchive)) {
                 targetName += " (" + target + ")";
             }
             String label = getLabel(originArchive, targetArchive);
             writer.format("  %-50s -> \"%s\"%s;%n",
                           String.format("\"%s\"", origin), targetName, label);
         }
         String getLabel(Archive origin, Archive target) {
             if (edges.isEmpty())
                 return "";
             StringBuilder label = edges.get(origin).get(target);
             return label == null ? "" : String.format(" [label=\"%s\",fontsize=9]", label.toString());
         }
         Analyzer.Visitor labelBuilder() {
             // show the package-level dependencies as labels in the dot graph
             return new Analyzer.Visitor() {
                 @Override
                 public void visitDependence(String origin, Archive originArchive,
                                             String target, Archive targetArchive)
                 {
                     Map<Archive,StringBuilder> labels = edges.get(originArchive);
                     if (!edges.containsKey(originArchive)) {
                         edges.put(originArchive, labels = new HashMap<>());
                     }
                     StringBuilder sb = labels.get(targetArchive);
                     if (sb == null) {
                         labels.put(targetArchive, sb = new StringBuilder());
                     }
                     String tag = toTag(target, targetArchive, PACKAGE);
                     addLabel(sb, origin, target, tag);
                 }
                 void addLabel(StringBuilder label, String origin, String target, String tag) {
                     label.append(origin).append(" -> ").append(target);
                     if (!tag.isEmpty()) {
                         label.append(" (" + tag + ")");
                     }
                     label.append("\\n");
                 }
             };
         }
     }
     /**
      * Test if the given archive is part of the JDK
      */
     private boolean isJDKArchive(Archive archive) {
         return JDKArchive.class.isInstance(archive);
     }
     /**
      * If the given archive is JDK archive, this method returns the profile name
      * only if -profile option is specified; it accesses a private JDK API and
      * the returned value will have "JDK internal API" prefix
      *
      * For non-JDK archives, this method returns the file name of the archive.
      */
     private String toTag(String name, Archive source, Analyzer.Type type) {
         if (!isJDKArchive(source)) {
             return source.getName();
         }
         JDKArchive jdk = (JDKArchive)source;
         boolean isExported = false;
         if (type == CLASS || type == VERBOSE) {
             isExported = jdk.isExported(name);
         } else {
             isExported = jdk.isExportedPackage(name);
         }
         Profile p = getProfile(name, type);
         if (isExported) {
             // exported API
             return options.showProfile && p != null ? p.profileName() : "";
         } else {
             return "JDK internal API (" + source.getName() + ")";
         }
     }
     private String toTag(String name, Archive source) {
         return toTag(name, source, options.verbose);
     }
     private Profile getProfile(String name, Analyzer.Type type) {
         String pn = name;
         if (type == CLASS || type == VERBOSE) {
             int i = name.lastIndexOf('.');
             pn = i > 0 ? name.substring(0, i) : "";
         }
         return Profile.getProfile(pn);
     }
     /**
      * Returns the recommended replacement API for the given classname;
      * or return null if replacement API is not known.
      */
     private String replacementFor(String cn) {
         String name = cn;
         String value = null;
         while (value == null && name != null) {
             try {
                 value = ResourceBundleHelper.jdkinternals.getString(name);
             } catch (MissingResourceException e) {
                 // go up one subpackage level
                 int i = name.lastIndexOf('.');
                 name = i > 0 ? name.substring(0, i) : null;
             }
         }
         return value;
     };
     private void showReplacements(Analyzer analyzer) {
         Map<String,String> jdkinternals = new TreeMap<>();
         boolean useInternals = false;
         for (Archive source : sourceLocations) {
             useInternals = useInternals || analyzer.hasDependences(source);
             for (String cn : analyzer.dependences(source)) {
                 String repl = replacementFor(cn);
                 if (repl != null && !jdkinternals.containsKey(cn)) {
                     jdkinternals.put(cn, repl);
                 }
             }
         }
         if (useInternals) {
             log.println();
             warning("warn.replace.useJDKInternals", getMessage("jdeps.wiki.url"));
         }
         if (!jdkinternals.isEmpty()) {
             log.println();
             log.format("%-40s %s%n", "JDK Internal API", "Suggested Replacement");
             log.format("%-40s %s%n", "----------------", "---------------------");
             for (Map.Entry<String,String> e : jdkinternals.entrySet()) {
                 log.format("%-40s %s%n", e.getKey(), e.getValue());
             }
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/jdeps/JdepsTask.java@e2abef6f10b9 (annotated)

src/share/classes/com/sun/tools/jdeps/JdepsTask.java