Mercurial > jdk8-mips64-public > langtools / file revision
src/share/classes/com/sun/tools/jdeps/Profile.java@1e39ae45d8ac
src/share/classes/com/sun/tools/jdeps/Profile.java
Thu, 17 Jul 2014 15:23:08 -0700
- author
- mchung
- date
- Thu, 17 Jul 2014 15:23:08 -0700
- changeset 2538
- 1e39ae45d8ac
- parent 2172
- aa91bc6e8480
- child 2702
- 9ca8d8713094
- permissions
- -rw-r--r--
8029548: (jdeps) use @jdk.Exported to determine supported vs JDK internal API
8031092: jdeps does not recognize --help option.
8048063: (jdeps) Add filtering capability
Reviewed-by: alanb, dfuchs
1 /*
2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package com.sun.tools.jdeps;
27 import com.sun.tools.classfile.Annotation;
28 import com.sun.tools.classfile.Annotation.*;
29 import com.sun.tools.classfile.Attribute;
30 import com.sun.tools.classfile.ClassFile;
31 import com.sun.tools.classfile.ConstantPool.*;
32 import com.sun.tools.classfile.ConstantPoolException;
33 import com.sun.tools.classfile.RuntimeAnnotations_attribute;
34 import java.io.FileReader;
35 import java.io.IOException;
36 import java.nio.file.Files;
37 import java.nio.file.Path;
38 import java.nio.file.Paths;
39 import java.util.*;
40 import java.util.jar.JarFile;
42 /**
43 * Build the profile information from ct.sym if exists.
44 */
45 enum Profile {
46 COMPACT1("compact1", 1),
47 COMPACT2("compact2", 2),
48 COMPACT3("compact3", 3),
49 FULL_JRE("Full JRE", 4);
51 final String name;
52 final int profile;
53 final Set<String> packages;
54 final Set<String> proprietaryPkgs;
56 Profile(String name, int profile) {
57 this.name = name;
58 this.profile = profile;
59 this.packages = new HashSet<>();
60 this.proprietaryPkgs = new HashSet<>();
61 }
63 public String profileName() {
64 return name;
65 }
67 public static int getProfileCount() {
68 return PackageToProfile.map.values().size();
69 }
71 /**
72 * Returns the Profile for the given package name. It returns an empty
73 * string if the given package is not in any profile.
74 */
75 public static Profile getProfile(String pn) {
76 Profile profile = PackageToProfile.map.get(pn);
77 return (profile != null && profile.packages.contains(pn))
78 ? profile : null;
79 }
81 static class PackageToProfile {
82 static String[] JAVAX_CRYPTO_PKGS = new String[] {
83 "javax.crypto",
84 "javax.crypto.interfaces",
85 "javax.crypto.spec"
86 };
87 static Map<String, Profile> map = initProfiles();
88 private static Map<String, Profile> initProfiles() {
89 try {
90 String profilesProps = System.getProperty("jdeps.profiles");
91 if (profilesProps != null) {
92 // for testing for JDK development build where ct.sym doesn't exist
93 initProfilesFromProperties(profilesProps);
94 } else {
95 Path home = Paths.get(System.getProperty("java.home"));
96 if (home.endsWith("jre")) {
97 home = home.getParent();
98 }
99 Path ctsym = home.resolve("lib").resolve("ct.sym");
100 if (Files.exists(ctsym)) {
101 // parse ct.sym and load information about profiles
102 try (JarFile jf = new JarFile(ctsym.toFile())) {
103 ClassFileReader reader = ClassFileReader.newInstance(ctsym, jf);
104 for (ClassFile cf : reader.getClassFiles()) {
105 findProfile(cf);
106 }
107 }
108 // special case for javax.crypto.* classes that are not
109 // included in ct.sym since they are in jce.jar
110 Collections.addAll(Profile.COMPACT1.packages, JAVAX_CRYPTO_PKGS);
111 }
112 }
113 } catch (IOException | ConstantPoolException e) {
114 throw new Error(e);
115 }
116 HashMap<String,Profile> map = new HashMap<>();
117 for (Profile profile : Profile.values()) {
118 for (String pn : profile.packages) {
119 if (!map.containsKey(pn)) {
120 // split packages in the JRE: use the smaller compact
121 map.put(pn, profile);
122 }
123 }
124 for (String pn : profile.proprietaryPkgs) {
125 if (!map.containsKey(pn)) {
126 map.put(pn, profile);
127 }
128 }
129 }
130 return map;
131 }
132 private static final String PROFILE_ANNOTATION = "Ljdk/Profile+Annotation;";
133 private static final String PROPRIETARY_ANNOTATION = "Lsun/Proprietary+Annotation;";
134 private static Profile findProfile(ClassFile cf) throws ConstantPoolException {
135 RuntimeAnnotations_attribute attr = (RuntimeAnnotations_attribute)
136 cf.attributes.get(Attribute.RuntimeInvisibleAnnotations);
137 int index = 0;
138 boolean proprietary = false;
139 if (attr != null) {
140 for (int i = 0; i < attr.annotations.length; i++) {
141 Annotation ann = attr.annotations[i];
142 String annType = cf.constant_pool.getUTF8Value(ann.type_index);
143 if (PROFILE_ANNOTATION.equals(annType)) {
144 for (int j = 0; j < ann.num_element_value_pairs; j++) {
145 Annotation.element_value_pair pair = ann.element_value_pairs[j];
146 Primitive_element_value ev = (Primitive_element_value) pair.value;
147 CONSTANT_Integer_info info = (CONSTANT_Integer_info)
148 cf.constant_pool.get(ev.const_value_index);
149 index = info.value;
150 break;
151 }
152 } else if (PROPRIETARY_ANNOTATION.equals(annType)) {
153 proprietary = true;
154 }
155 }
156 }
158 Profile p = null; // default
159 switch (index) {
160 case 1:
161 p = Profile.COMPACT1; break;
162 case 2:
163 p = Profile.COMPACT2; break;
164 case 3:
165 p = Profile.COMPACT3; break;
166 case 4:
167 p = Profile.FULL_JRE; break;
168 default:
169 // skip classes with profile=0
170 // Inner classes are not annotated with the profile annotation
171 return null;
172 }
174 String name = cf.getName();
175 int i = name.lastIndexOf('/');
176 name = (i > 0) ? name.substring(0, i).replace('/', '.') : "";
177 if (proprietary) {
178 p.proprietaryPkgs.add(name);
179 } else {
180 p.packages.add(name);
181 }
182 return p;
183 }
185 private static void initProfilesFromProperties(String path) throws IOException {
186 Properties props = new Properties();
187 try (FileReader reader = new FileReader(path)) {
188 props.load(reader);
189 }
190 for (Profile prof : Profile.values()) {
191 int i = prof.profile;
192 String key = props.getProperty("profile." + i + ".name");
193 if (key == null) {
194 throw new RuntimeException(key + " missing in " + path);
195 }
196 String n = props.getProperty("profile." + i + ".packages");
197 String[] pkgs = n.split("\\s+");
198 for (String p : pkgs) {
199 if (p.isEmpty()) continue;
200 prof.packages.add(p);
201 }
202 }
203 }
204 }
206 // for debugging
207 public static void main(String[] args) {
208 if (args.length == 0) {
209 if (Profile.getProfileCount() == 0) {
210 System.err.println("No profile is present in this JDK");
211 }
212 for (Profile p : Profile.values()) {
213 String profileName = p.name;
214 SortedSet<String> set = new TreeSet<>(p.packages);
215 for (String s : set) {
216 // filter out the inner classes that are not annotated with
217 // the profile annotation
218 if (PackageToProfile.map.get(s) == p) {
219 System.out.format("%2d: %-10s %s%n", p.profile, profileName, s);
220 profileName = "";
221 } else {
222 System.err.format("Split package: %s in %s and %s %n",
223 s, PackageToProfile.map.get(s).name, p.name);
224 }
225 }
226 }
227 }
228 for (String pn : args) {
229 System.out.format("%s in %s%n", pn, getProfile(pn));
230 }
231 }
232 }
