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/*
* Copyright (c) 2013, 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
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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.ConstantPool.*;
import com.sun.tools.classfile.ConstantPoolException;
import com.sun.tools.classfile.RuntimeAnnotations_attribute;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
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.
*/
class Profiles {
private static final Map<String,Profile> map = initProfiles();
/**
* Returns the name of the profile for the given package name.
* It returns an empty string if the given package is not in any profile.
*/
public static String getProfileName(String pn) {
Profile profile = map.get(pn);
return (profile != null && profile.packages.contains(pn))
? profile.name : "";
}
public static int getProfileCount() {
return new HashSet<Profile>(map.values()).size();
}
private static Map<String,Profile> initProfiles() {
List<Profile> profiles = new ArrayList<Profile>();
try {
String profilesProps = System.getProperty("jdeps.profiles");
if (profilesProps != null) {
// for testing for JDK development build where ct.sym doesn't exist
initProfilesFromProperties(profiles, 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 (ctsym.toFile().exists()) {
// add a default Full JRE
profiles.add(0, new Profile("Full JRE", 0));
// 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(profiles, cf);
}
}
// merge the last Profile with the "Full JRE"
if (profiles.size() > 1) {
Profile fullJRE = profiles.get(0);
Profile p = profiles.remove(profiles.size() - 1);
for (String pn : fullJRE.packages) {
// The last profile contains the packages determined from ct.sym.
// Move classes annotated profile==0 or no attribute that are
// added in the fullJRE profile to either supported or proprietary
// packages appropriately
if (p.proprietaryPkgs.contains(pn)) {
p.proprietaryPkgs.add(pn);
} else {
p.packages.add(pn);
}
}
fullJRE.packages.clear();
fullJRE.proprietaryPkgs.clear();
fullJRE.packages.addAll(p.packages);
fullJRE.proprietaryPkgs.addAll(p.proprietaryPkgs);
}
}
}
} catch (IOException | ConstantPoolException e) {
throw new Error(e);
}
HashMap<String,Profile> map = new HashMap<String,Profile>();
for (Profile profile : profiles) {
// Inner classes are not annotated with the profile annotation
// packages may be in one profile but also appear in the Full JRE
// Full JRE is always the first element in profiles list and
// so the map will contain the appropriate Profile
for (String pn : profile.packages) {
map.put(pn, profile);
}
for (String pn : profile.proprietaryPkgs) {
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(List<Profile> profiles, 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;
}
}
if (index >= profiles.size()) {
Profile p = null;
for (int i = profiles.size(); i <= index; i++) {
p = new Profile(i);
profiles.add(p);
}
}
}
Profile p = profiles.get(index);
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(List<Profile> profiles, String path)
throws IOException
{
Properties props = new Properties();
try (FileReader reader = new FileReader(path)) {
props.load(reader);
}
int i=1;
String key;
while (props.containsKey((key = "profile." + i + ".name"))) {
Profile profile = new Profile(props.getProperty(key), i);
profiles.add(profile);
String n = props.getProperty("profile." + i + ".packages");
String[] pkgs = n.split("\\s+");
for (String p : pkgs) {
if (p.isEmpty()) continue;
profile.packages.add(p);
}
i++;
}
}
private static class Profile {
final String name;
final int profile;
final Set<String> packages;
final Set<String> proprietaryPkgs;
Profile(int profile) {
this("compact" + profile, profile);
}
Profile(String name, int profile) {
this.name = name;
this.profile = profile;
this.packages = new HashSet<String>();
this.proprietaryPkgs = new HashSet<String>();
}
public String toString() {
return name;
}
}
// for debugging
public static void main(String[] args) {
if (args.length == 0) {
Profile[] profiles = new Profile[getProfileCount()];
for (Profile p : map.values()) {
// move the zeroth profile to the last
int index = p.profile == 0 ? profiles.length-1 : p.profile-1;
profiles[index] = p;
}
for (Profile p : profiles) {
String profileName = p.name;
SortedSet<String> set = new TreeSet<String>(p.packages);
for (String s : set) {
// filter out the inner classes that are not annotated with
// the profile annotation
if (map.get(s) == p) {
System.out.format("%-10s %s%n", profileName, s);
profileName = "";
}
}
}
}
for (String pn : args) {
System.out.format("%s in %s%n", pn, getProfileName(pn));
}
}
}