| /* |
| * Copyright (c) 2013, 2014, 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.Annotation; |
| import com.sun.tools.classfile.Annotation.*; |
| import com.sun.tools.classfile.Attribute; |
| import com.sun.tools.classfile.ClassFile; |
| import com.sun.tools.classfile.ConstantPool.*; |
| import com.sun.tools.classfile.ConstantPoolException; |
| import com.sun.tools.classfile.RuntimeAnnotations_attribute; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.*; |
| import java.util.jar.JarFile; |
| |
| /** |
| * Build the profile information from ct.sym if exists. |
| */ |
| enum Profile { |
| COMPACT1("compact1", 1), |
| COMPACT2("compact2", 2), |
| COMPACT3("compact3", 3), |
| FULL_JRE("Full JRE", 4); |
| |
| final String name; |
| final int profile; |
| final Set<String> packages; |
| final Set<String> proprietaryPkgs; |
| |
| Profile(String name, int profile) { |
| this.name = name; |
| this.profile = profile; |
| this.packages = new HashSet<>(); |
| this.proprietaryPkgs = new HashSet<>(); |
| } |
| |
| public String profileName() { |
| return name; |
| } |
| |
| public static int getProfileCount() { |
| return PackageToProfile.map.values().size(); |
| } |
| |
| /** |
| * Returns the Profile for the given package name. It returns an empty |
| * string if the given package is not in any profile. |
| */ |
| public static Profile getProfile(String pn) { |
| Profile profile = PackageToProfile.map.get(pn); |
| return (profile != null && profile.packages.contains(pn)) |
| ? profile : null; |
| } |
| |
| static class PackageToProfile { |
| static String[] JAVAX_CRYPTO_PKGS = new String[] { |
| "javax.crypto", |
| "javax.crypto.interfaces", |
| "javax.crypto.spec" |
| }; |
| static Map<String, Profile> map = initProfiles(); |
| private static Map<String, Profile> initProfiles() { |
| try { |
| String profilesProps = System.getProperty("jdeps.profiles"); |
| if (profilesProps != null) { |
| // for testing for JDK development build where ct.sym doesn't exist |
| initProfilesFromProperties(profilesProps); |
| } else { |
| Path home = Paths.get(System.getProperty("java.home")); |
| if (home.endsWith("jre")) { |
| home = home.getParent(); |
| } |
| Path ctsym = home.resolve("lib").resolve("ct.sym"); |
| if (Files.exists(ctsym)) { |
| // parse ct.sym and load information about profiles |
| try (JarFile jf = new JarFile(ctsym.toFile())) { |
| ClassFileReader reader = ClassFileReader.newInstance(ctsym, jf); |
| for (ClassFile cf : reader.getClassFiles()) { |
| findProfile(cf); |
| } |
| } |
| // special case for javax.crypto.* classes that are not |
| // included in ct.sym since they are in jce.jar |
| Collections.addAll(Profile.COMPACT1.packages, JAVAX_CRYPTO_PKGS); |
| } |
| } |
| } catch (IOException | ConstantPoolException e) { |
| throw new Error(e); |
| } |
| HashMap<String,Profile> map = new HashMap<>(); |
| for (Profile profile : Profile.values()) { |
| for (String pn : profile.packages) { |
| if (!map.containsKey(pn)) { |
| // split packages in the JRE: use the smaller compact |
| map.put(pn, profile); |
| } |
| } |
| for (String pn : profile.proprietaryPkgs) { |
| if (!map.containsKey(pn)) { |
| map.put(pn, profile); |
| } |
| } |
| } |
| return map; |
| } |
| private static final String PROFILE_ANNOTATION = "Ljdk/Profile+Annotation;"; |
| private static final String PROPRIETARY_ANNOTATION = "Lsun/Proprietary+Annotation;"; |
| private static Profile findProfile(ClassFile cf) throws ConstantPoolException { |
| RuntimeAnnotations_attribute attr = (RuntimeAnnotations_attribute) |
| cf.attributes.get(Attribute.RuntimeInvisibleAnnotations); |
| int index = 0; |
| boolean proprietary = false; |
| if (attr != null) { |
| for (int i = 0; i < attr.annotations.length; i++) { |
| Annotation ann = attr.annotations[i]; |
| String annType = cf.constant_pool.getUTF8Value(ann.type_index); |
| if (PROFILE_ANNOTATION.equals(annType)) { |
| for (int j = 0; j < ann.num_element_value_pairs; j++) { |
| Annotation.element_value_pair pair = ann.element_value_pairs[j]; |
| Primitive_element_value ev = (Primitive_element_value) pair.value; |
| CONSTANT_Integer_info info = (CONSTANT_Integer_info) |
| cf.constant_pool.get(ev.const_value_index); |
| index = info.value; |
| break; |
| } |
| } else if (PROPRIETARY_ANNOTATION.equals(annType)) { |
| proprietary = true; |
| } |
| } |
| } |
| |
| Profile p = null; // default |
| switch (index) { |
| case 1: |
| p = Profile.COMPACT1; break; |
| case 2: |
| p = Profile.COMPACT2; break; |
| case 3: |
| p = Profile.COMPACT3; break; |
| case 4: |
| p = Profile.FULL_JRE; break; |
| default: |
| // skip classes with profile=0 |
| // Inner classes are not annotated with the profile annotation |
| return null; |
| } |
| |
| String name = cf.getName(); |
| int i = name.lastIndexOf('/'); |
| name = (i > 0) ? name.substring(0, i).replace('/', '.') : ""; |
| if (proprietary) { |
| p.proprietaryPkgs.add(name); |
| } else { |
| p.packages.add(name); |
| } |
| return p; |
| } |
| |
| private static void initProfilesFromProperties(String path) throws IOException { |
| Properties props = new Properties(); |
| try (FileReader reader = new FileReader(path)) { |
| props.load(reader); |
| } |
| for (Profile prof : Profile.values()) { |
| int i = prof.profile; |
| String key = props.getProperty("profile." + i + ".name"); |
| if (key == null) { |
| throw new RuntimeException(key + " missing in " + path); |
| } |
| String n = props.getProperty("profile." + i + ".packages"); |
| String[] pkgs = n.split("\\s+"); |
| for (String p : pkgs) { |
| if (p.isEmpty()) continue; |
| prof.packages.add(p); |
| } |
| } |
| } |
| } |
| |
| // for debugging |
| public static void main(String[] args) { |
| if (args.length == 0) { |
| if (Profile.getProfileCount() == 0) { |
| System.err.println("No profile is present in this JDK"); |
| } |
| for (Profile p : Profile.values()) { |
| String profileName = p.name; |
| SortedSet<String> set = new TreeSet<>(p.packages); |
| for (String s : set) { |
| // filter out the inner classes that are not annotated with |
| // the profile annotation |
| if (PackageToProfile.map.get(s) == p) { |
| System.out.format("%2d: %-10s %s%n", p.profile, profileName, s); |
| profileName = ""; |
| } else { |
| System.err.format("Split package: %s in %s and %s %n", |
| s, PackageToProfile.map.get(s).name, p.name); |
| } |
| } |
| } |
| } |
| for (String pn : args) { |
| System.out.format("%s in %s%n", pn, getProfile(pn)); |
| } |
| } |
| } |