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src/share/classes/com/sun/tools/jdeps/Profile.java@959103a6100f (annotated)

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

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25	package com.sun.tools.jdeps;
aoqi@0	26
aoqi@0	27	import com.sun.tools.classfile.Annotation;
aoqi@0	28	import com.sun.tools.classfile.Annotation.*;
aoqi@0	29	import com.sun.tools.classfile.Attribute;
aoqi@0	30	import com.sun.tools.classfile.ClassFile;
aoqi@0	31	import com.sun.tools.classfile.ConstantPool.*;
aoqi@0	32	import com.sun.tools.classfile.ConstantPoolException;
aoqi@0	33	import com.sun.tools.classfile.RuntimeAnnotations_attribute;
aoqi@0	34	import java.io.FileReader;
aoqi@0	35	import java.io.IOException;
aoqi@0	36	import java.nio.file.Files;
aoqi@0	37	import java.nio.file.Path;
aoqi@0	38	import java.nio.file.Paths;
aoqi@0	39	import java.util.*;
aoqi@0	40	import java.util.jar.JarFile;
aoqi@0	41
aoqi@0	42	/**
aoqi@0	43	* Build the profile information from ct.sym if exists.
aoqi@0	44	*/
aoqi@0	45	enum Profile {
aoqi@0	46
aoqi@0	47	COMPACT1("compact1", 1),
aoqi@0	48	COMPACT2("compact2", 2),
aoqi@0	49	COMPACT3("compact3", 3),
aoqi@0	50	FULL_JRE("Full JRE", 4);
aoqi@0	51
aoqi@0	52	final String name;
aoqi@0	53	final int profile;
aoqi@0	54	final Set<String> packages;
aoqi@0	55	final Set<String> proprietaryPkgs;
aoqi@0	56
aoqi@0	57	Profile(String name, int profile) {
aoqi@0	58	this.name = name;
aoqi@0	59	this.profile = profile;
aoqi@0	60	this.packages = new HashSet<>();
aoqi@0	61	this.proprietaryPkgs = new HashSet<>();
aoqi@0	62	}
aoqi@0	63
aoqi@0	64	@Override
aoqi@0	65	public String toString() {
aoqi@0	66	return name;
aoqi@0	67	}
aoqi@0	68
aoqi@0	69	public static int getProfileCount() {
aoqi@0	70	return PackageToProfile.map.values().size();
aoqi@0	71	}
aoqi@0	72
aoqi@0	73	/**
aoqi@0	74	* Returns the Profile for the given package name. It returns an empty
aoqi@0	75	* string if the given package is not in any profile.
aoqi@0	76	*/
aoqi@0	77	public static Profile getProfile(String pn) {
aoqi@0	78	Profile profile = PackageToProfile.map.get(pn);
aoqi@0	79	return (profile != null && profile.packages.contains(pn))
aoqi@0	80	? profile : null;
aoqi@0	81	}
aoqi@0	82
aoqi@0	83	static class PackageToProfile {
aoqi@0	84	static String[] JAVAX_CRYPTO_PKGS = new String[] {
aoqi@0	85	"javax.crypto",
aoqi@0	86	"javax.crypto.interfaces",
aoqi@0	87	"javax.crypto.spec"
aoqi@0	88	};
aoqi@0	89	static Map<String, Profile> map = initProfiles();
aoqi@0	90	private static Map<String, Profile> initProfiles() {
aoqi@0	91	try {
aoqi@0	92	String profilesProps = System.getProperty("jdeps.profiles");
aoqi@0	93	if (profilesProps != null) {
aoqi@0	94	// for testing for JDK development build where ct.sym doesn't exist
aoqi@0	95	initProfilesFromProperties(profilesProps);
aoqi@0	96	} else {
aoqi@0	97	Path home = Paths.get(System.getProperty("java.home"));
aoqi@0	98	if (home.endsWith("jre")) {
aoqi@0	99	home = home.getParent();
aoqi@0	100	}
aoqi@0	101	Path ctsym = home.resolve("lib").resolve("ct.sym");
aoqi@0	102	if (Files.exists(ctsym)) {
aoqi@0	103	// parse ct.sym and load information about profiles
aoqi@0	104	try (JarFile jf = new JarFile(ctsym.toFile())) {
aoqi@0	105	ClassFileReader reader = ClassFileReader.newInstance(ctsym, jf);
aoqi@0	106	for (ClassFile cf : reader.getClassFiles()) {
aoqi@0	107	findProfile(cf);
aoqi@0	108	}
aoqi@0	109	}
aoqi@0	110	// special case for javax.crypto.* classes that are not
aoqi@0	111	// included in ct.sym since they are in jce.jar
aoqi@0	112	Collections.addAll(Profile.COMPACT1.packages, JAVAX_CRYPTO_PKGS);
aoqi@0	113	}
aoqi@0	114	}
aoqi@0	115	} catch (IOException | ConstantPoolException e) {
aoqi@0	116	throw new Error(e);
aoqi@0	117	}
aoqi@0	118	HashMap<String,Profile> map = new HashMap<>();
aoqi@0	119	for (Profile profile : Profile.values()) {
aoqi@0	120	for (String pn : profile.packages) {
aoqi@0	121	if (!map.containsKey(pn)) {
aoqi@0	122	// split packages in the JRE: use the smaller compact
aoqi@0	123	map.put(pn, profile);
aoqi@0	124	}
aoqi@0	125	}
aoqi@0	126	for (String pn : profile.proprietaryPkgs) {
aoqi@0	127	if (!map.containsKey(pn)) {
aoqi@0	128	map.put(pn, profile);
aoqi@0	129	}
aoqi@0	130	}
aoqi@0	131	}
aoqi@0	132	return map;
aoqi@0	133	}
aoqi@0	134	private static final String PROFILE_ANNOTATION = "Ljdk/Profile+Annotation;";
aoqi@0	135	private static final String PROPRIETARY_ANNOTATION = "Lsun/Proprietary+Annotation;";
aoqi@0	136	private static Profile findProfile(ClassFile cf) throws ConstantPoolException {
aoqi@0	137	RuntimeAnnotations_attribute attr = (RuntimeAnnotations_attribute)
aoqi@0	138	cf.attributes.get(Attribute.RuntimeInvisibleAnnotations);
aoqi@0	139	int index = 0;
aoqi@0	140	boolean proprietary = false;
aoqi@0	141	if (attr != null) {
aoqi@0	142	for (int i = 0; i < attr.annotations.length; i++) {
aoqi@0	143	Annotation ann = attr.annotations[i];
aoqi@0	144	String annType = cf.constant_pool.getUTF8Value(ann.type_index);
aoqi@0	145	if (PROFILE_ANNOTATION.equals(annType)) {
aoqi@0	146	for (int j = 0; j < ann.num_element_value_pairs; j++) {
aoqi@0	147	Annotation.element_value_pair pair = ann.element_value_pairs[j];
aoqi@0	148	Primitive_element_value ev = (Primitive_element_value) pair.value;
aoqi@0	149	CONSTANT_Integer_info info = (CONSTANT_Integer_info)
aoqi@0	150	cf.constant_pool.get(ev.const_value_index);
aoqi@0	151	index = info.value;
aoqi@0	152	break;
aoqi@0	153	}
aoqi@0	154	} else if (PROPRIETARY_ANNOTATION.equals(annType)) {
aoqi@0	155	proprietary = true;
aoqi@0	156	}
aoqi@0	157	}
aoqi@0	158	}
aoqi@0	159
aoqi@0	160	Profile p = null; // default
aoqi@0	161	switch (index) {
aoqi@0	162	case 1:
aoqi@0	163	p = Profile.COMPACT1; break;
aoqi@0	164	case 2:
aoqi@0	165	p = Profile.COMPACT2; break;
aoqi@0	166	case 3:
aoqi@0	167	p = Profile.COMPACT3; break;
aoqi@0	168	case 4:
aoqi@0	169	p = Profile.FULL_JRE; break;
aoqi@0	170	default:
aoqi@0	171	// skip classes with profile=0
aoqi@0	172	// Inner classes are not annotated with the profile annotation
aoqi@0	173	return null;
aoqi@0	174	}
aoqi@0	175
aoqi@0	176	String name = cf.getName();
aoqi@0	177	int i = name.lastIndexOf('/');
aoqi@0	178	name = (i > 0) ? name.substring(0, i).replace('/', '.') : "";
aoqi@0	179	if (proprietary) {
aoqi@0	180	p.proprietaryPkgs.add(name);
aoqi@0	181	} else {
aoqi@0	182	p.packages.add(name);
aoqi@0	183	}
aoqi@0	184	return p;
aoqi@0	185	}
aoqi@0	186
aoqi@0	187	private static void initProfilesFromProperties(String path) throws IOException {
aoqi@0	188	Properties props = new Properties();
aoqi@0	189	try (FileReader reader = new FileReader(path)) {
aoqi@0	190	props.load(reader);
aoqi@0	191	}
aoqi@0	192	for (Profile prof : Profile.values()) {
aoqi@0	193	int i = prof.profile;
aoqi@0	194	String key = props.getProperty("profile." + i + ".name");
aoqi@0	195	if (key == null) {
aoqi@0	196	throw new RuntimeException(key + " missing in " + path);
aoqi@0	197	}
aoqi@0	198	String n = props.getProperty("profile." + i + ".packages");
aoqi@0	199	String[] pkgs = n.split("\\s+");
aoqi@0	200	for (String p : pkgs) {
aoqi@0	201	if (p.isEmpty()) continue;
aoqi@0	202	prof.packages.add(p);
aoqi@0	203	}
aoqi@0	204	}
aoqi@0	205	}
aoqi@0	206	}
aoqi@0	207
aoqi@0	208	// for debugging
aoqi@0	209	public static void main(String[] args) {
aoqi@0	210	if (args.length == 0) {
aoqi@0	211	if (Profile.getProfileCount() == 0) {
aoqi@0	212	System.err.println("No profile is present in this JDK");
aoqi@0	213	}
aoqi@0	214	for (Profile p : Profile.values()) {
aoqi@0	215	String profileName = p.name;
aoqi@0	216	SortedSet<String> set = new TreeSet<>(p.packages);
aoqi@0	217	for (String s : set) {
aoqi@0	218	// filter out the inner classes that are not annotated with
aoqi@0	219	// the profile annotation
aoqi@0	220	if (PackageToProfile.map.get(s) == p) {
aoqi@0	221	System.out.format("%2d: %-10s %s%n", p.profile, profileName, s);
aoqi@0	222	profileName = "";
aoqi@0	223	} else {
aoqi@0	224	System.err.format("Split package: %s in %s and %s %n",
aoqi@0	225	s, PackageToProfile.map.get(s).name, p.name);
aoqi@0	226	}
aoqi@0	227	}
aoqi@0	228	}
aoqi@0	229	}
aoqi@0	230	for (String pn : args) {
aoqi@0	231	System.out.format("%s in %s%n", pn, getProfile(pn));
aoqi@0	232	}
aoqi@0	233	}
aoqi@0	234	}