jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/jdeps/PlatformClassPath.java@0c244701188e (annotated)

src/share/classes/com/sun/tools/jdeps/PlatformClassPath.java@0c244701188e (annotated)

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

Fri, 28 Dec 2012 22:25:21 -0800

author: mchung
date: Fri, 28 Dec 2012 22:25:21 -0800
changeset 1472: 0c244701188e
child 1638: fd3fdaff0257
permissions: -rw-r--r--

8003562: Provide a CLI tool to analyze class dependencies
Reviewed-by: jjg, alanb, ulfzibis, erikj

 /*
  * Copyright (c) 2012, 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 java.io.File;
 import java.io.IOException;
 import java.nio.file.FileVisitResult;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.SimpleFileVisitor;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.*;
 /**
  * ClassPath for Java SE and JDK
  */
 class PlatformClassPath {
     /*
      * Profiles for Java SE
      *
      * This is a temporary workaround until a common API is defined for langtools
      * to determine which profile a given classname belongs to.  The list of
      * packages and profile names are hardcoded in jdk.properties and
      * split packages are not supported.
      */
     static class Profile {
         final String name;
         final Set<String> packages;
         Profile(String name) {
             this.name = name;
             this.packages = new HashSet<String>();
         }
     }
     private final static String JAVAFX = "javafx";
     private final static Map<String,Profile> map = getProfilePackages();
     static String getProfileName(String packageName) {
         Profile profile = map.get(packageName);
         if (packageName.startsWith(JAVAFX + ".")) {
             profile = map.get(JAVAFX);
         }
         return profile != null ? profile.name : "";
     }
     private final static List<Archive> javaHomeArchives = init();
     static List<Archive> getArchives() {
         return javaHomeArchives;
     }
     static boolean contains(Archive archive) {
         return javaHomeArchives.contains(archive);
     }
     private static List<Archive> init() {
         List<Archive> result = new ArrayList<Archive>();
         String javaHome = System.getProperty("java.home");
         List<File> files = new ArrayList<File>();
         File jre = new File(javaHome, "jre");
         File lib = new File(javaHome, "lib");
         try {
             if (jre.exists() && jre.isDirectory()) {
                 result.addAll(addJarFiles(new File(jre, "lib")));
                 result.addAll(addJarFiles(lib));
             } else if (lib.exists() && lib.isDirectory()) {
                 // either a JRE or a jdk build image
                 File classes = new File(javaHome, "classes");
                 if (classes.exists() && classes.isDirectory()) {
                     // jdk build outputdir
                     result.add(new Archive(classes, ClassFileReader.newInstance(classes)));
                 }
                 // add other JAR files
                 result.addAll(addJarFiles(lib));
             } else {
                 throw new RuntimeException("\"" + javaHome + "\" not a JDK home");
             }
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
         // add a JavaFX profile if there is jfxrt.jar
         for (Archive archive : result) {
             if (archive.getFileName().equals("jfxrt.jar")) {
                 map.put(JAVAFX, new Profile("jfxrt.jar"));
             }
         }
         return result;
     }
     private static List<Archive> addJarFiles(File f) throws IOException {
         final List<Archive> result = new ArrayList<Archive>();
         final Path root = f.toPath();
         final Path ext = root.resolve("ext");
         Files.walkFileTree(root, new SimpleFileVisitor<Path>() {
             @Override
             public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
                 throws IOException
             {
                 if (dir.equals(root) || dir.equals(ext)) {
                     return FileVisitResult.CONTINUE;
                 } else {
                     // skip other cobundled JAR files
                     return FileVisitResult.SKIP_SUBTREE;
                 }
             }
             @Override
             public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
                 throws IOException
             {
                 File f = file.toFile();
                 String fn = f.getName();
                 if (fn.endsWith(".jar") && !fn.equals("alt-rt.jar")) {
                     result.add(new Archive(f, ClassFileReader.newInstance(f)));
                 }
                 return FileVisitResult.CONTINUE;
             }
         });
         return result;
     }
     private static Map<String,Profile> getProfilePackages() {
         Map<String,Profile> map = new HashMap<String,Profile>();
         // read the properties as a ResourceBundle as the build compiles
         // the properties file into Java class.  Another alternative is
         // to load it as Properties and fix the build to exclude this file.
         ResourceBundle profileBundle =
             ResourceBundle.getBundle("com.sun.tools.jdeps.resources.jdk");
         int i=1;
         String key;
         while (profileBundle.containsKey((key = "profile." + i + ".name"))) {
             Profile profile = new Profile(profileBundle.getString(key));
             String n = profileBundle.getString("profile." + i + ".packages");
             String[] pkgs = n.split("\\s+");
             for (String p : pkgs) {
                 if (p.isEmpty()) continue;
                 assert(map.containsKey(p) == false);
                 profile.packages.add(p);
                 map.put(p, profile);
             }
             i++;
         }
         return map;
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/jdeps/PlatformClassPath.java@0c244701188e (annotated)

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