Mon, 23 Sep 2013 17:27:38 +0400
7154966: CRs found to be in Fixed state with no test and no noreg- keyword.
Reviewed-by: ksrini
jjg@451 | 1 | /* |
ohair@554 | 2 | * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
jjg@451 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@451 | 4 | * |
jjg@451 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@451 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
jjg@451 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@554 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
jjg@451 | 10 | * |
jjg@451 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@451 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@451 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@451 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@451 | 15 | * accompanied this code). |
jjg@451 | 16 | * |
jjg@451 | 17 | * You should have received a copy of the GNU General Public License version |
jjg@451 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@451 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@451 | 20 | * |
ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 23 | * questions. |
jjg@451 | 24 | */ |
jjg@451 | 25 | |
jjg@451 | 26 | import java.io.*; |
jjg@451 | 27 | import java.util.*; |
jjg@451 | 28 | import java.util.regex.Pattern; |
jjg@451 | 29 | import javax.tools.*; |
jjg@451 | 30 | |
jjg@451 | 31 | import com.sun.tools.classfile.*; |
jjg@451 | 32 | import com.sun.tools.classfile.Dependencies.*; |
jjg@451 | 33 | import com.sun.tools.classfile.Dependency.Location; |
jjg@451 | 34 | import com.sun.tools.javac.file.JavacFileManager; |
jjg@451 | 35 | import com.sun.tools.javac.util.Context; |
jjg@451 | 36 | |
jjg@451 | 37 | /** |
jjg@451 | 38 | * Demo utility for using the classfile dependency analysis API framework. |
jjg@451 | 39 | * |
jjg@451 | 40 | * Usage: |
jjg@451 | 41 | * getdeps [options] classes |
jjg@451 | 42 | * where options include: |
jjg@451 | 43 | * -classpath path where to find classes to analyze |
jjg@451 | 44 | * -p package-name restrict analysis to classes in this package |
jjg@451 | 45 | * (may be given multiple times) |
jjg@451 | 46 | * -r regex restrict analysis to packages matching pattern |
jjg@451 | 47 | * (-p and -r are exclusive) |
jjg@451 | 48 | * -rev invert the dependencies in the output |
jjg@451 | 49 | * -t transitive closure of dependencies |
jjg@451 | 50 | */ |
jjg@451 | 51 | public class GetDeps { |
jjg@451 | 52 | public static void main(String... args) throws Exception { |
jjg@451 | 53 | new GetDeps().run(args); |
jjg@451 | 54 | } |
jjg@451 | 55 | |
jjg@451 | 56 | void run(String... args) throws IOException, ClassFileNotFoundException { |
jjg@451 | 57 | PrintWriter pw = new PrintWriter(System.out); |
jjg@451 | 58 | try { |
jjg@451 | 59 | run(pw, args); |
jjg@451 | 60 | } finally { |
jjg@451 | 61 | pw.flush(); |
jjg@451 | 62 | } |
jjg@451 | 63 | } |
jjg@451 | 64 | |
jjg@451 | 65 | void run(PrintWriter out, String... args) throws IOException, ClassFileNotFoundException { |
jjg@451 | 66 | decodeArgs(args); |
jjg@451 | 67 | |
jjg@451 | 68 | final StandardJavaFileManager fm = new JavacFileManager(new Context(), false, null); |
jjg@451 | 69 | if (classpath != null) |
jjg@451 | 70 | fm.setLocation(StandardLocation.CLASS_PATH, classpath); |
jjg@451 | 71 | |
jjg@451 | 72 | ClassFileReader reader = new ClassFileReader(fm); |
jjg@451 | 73 | |
jjg@451 | 74 | Dependencies d = new Dependencies(); |
jjg@451 | 75 | |
jjg@451 | 76 | if (regex != null) |
jjg@451 | 77 | d.setFilter(Dependencies.getRegexFilter(Pattern.compile(regex))); |
jjg@451 | 78 | |
jjg@451 | 79 | if (packageNames.size() > 0) |
jjg@451 | 80 | d.setFilter(Dependencies.getPackageFilter(packageNames, false)); |
jjg@451 | 81 | |
jjg@451 | 82 | SortedRecorder r = new SortedRecorder(reverse); |
jjg@451 | 83 | |
jjg@451 | 84 | d.findAllDependencies(reader, rootClassNames, transitiveClosure, r); |
jjg@451 | 85 | |
jjg@451 | 86 | SortedMap<Location,SortedSet<Dependency>> deps = r.getMap(); |
jjg@451 | 87 | for (Map.Entry<Location, SortedSet<Dependency>> e: deps.entrySet()) { |
jjg@451 | 88 | out.println(e.getKey()); |
jjg@451 | 89 | for (Dependency dep: e.getValue()) { |
jjg@451 | 90 | out.println(" " + dep.getTarget()); |
jjg@451 | 91 | } |
jjg@451 | 92 | } |
jjg@451 | 93 | } |
jjg@451 | 94 | |
jjg@451 | 95 | void decodeArgs(String... args) { |
jjg@451 | 96 | rootClassNames = new TreeSet<String>(); |
jjg@451 | 97 | packageNames = new TreeSet<String>(); |
jjg@451 | 98 | |
jjg@451 | 99 | for (int i = 0; i < args.length; i++) { |
jjg@451 | 100 | String arg = args[i]; |
jjg@451 | 101 | if (arg.equals("-classpath") && (i + 1 < args.length)) |
jjg@451 | 102 | classpath = getPathFiles(args[++i]); |
jjg@451 | 103 | else if (arg.equals("-p") && (i + 1 < args.length)) |
jjg@451 | 104 | packageNames.add(args[++i]); |
jjg@451 | 105 | else if (arg.equals("-r") && (i + 1 < args.length)) |
jjg@451 | 106 | regex = args[++i]; |
jjg@451 | 107 | else if (arg.equals("-rev")) |
jjg@451 | 108 | reverse = true; |
jjg@451 | 109 | else if (arg.equals("-t")) |
jjg@451 | 110 | transitiveClosure = true; |
jjg@451 | 111 | else if (arg.startsWith("-")) |
jjg@451 | 112 | throw new Error(arg); |
jjg@451 | 113 | else { |
jjg@451 | 114 | for ( ; i < args.length; i++) |
jjg@451 | 115 | rootClassNames.add(args[i]); |
jjg@451 | 116 | } |
jjg@451 | 117 | } |
jjg@451 | 118 | } |
jjg@451 | 119 | |
jjg@451 | 120 | List<File> getPathFiles(String path) { |
jjg@451 | 121 | List<File> files = new ArrayList<File>(); |
jjg@451 | 122 | for (String p: path.split(File.pathSeparator)) { |
jjg@451 | 123 | if (p.length() > 0) |
jjg@451 | 124 | files.add(new File(p)); |
jjg@451 | 125 | } |
jjg@451 | 126 | return files; |
jjg@451 | 127 | } |
jjg@451 | 128 | |
jjg@451 | 129 | boolean transitiveClosure; |
jjg@451 | 130 | List<File> classpath; |
jjg@451 | 131 | Set<String> rootClassNames; |
jjg@451 | 132 | Set<String> packageNames; |
jjg@451 | 133 | String regex; |
jjg@451 | 134 | boolean reverse; |
jjg@451 | 135 | |
jjg@451 | 136 | |
jjg@451 | 137 | static class ClassFileReader implements Dependencies.ClassFileReader { |
jjg@451 | 138 | private JavaFileManager fm; |
jjg@451 | 139 | |
jjg@451 | 140 | ClassFileReader(JavaFileManager fm) { |
jjg@451 | 141 | this.fm = fm; |
jjg@451 | 142 | } |
jjg@451 | 143 | |
jjg@451 | 144 | @Override |
jjg@451 | 145 | public ClassFile getClassFile(String className) throws ClassFileNotFoundException { |
jjg@451 | 146 | try { |
jjg@451 | 147 | JavaFileObject fo = fm.getJavaFileForInput( |
jjg@451 | 148 | StandardLocation.CLASS_PATH, className, JavaFileObject.Kind.CLASS); |
jjg@451 | 149 | if (fo == null) |
jjg@451 | 150 | fo = fm.getJavaFileForInput( |
jjg@451 | 151 | StandardLocation.PLATFORM_CLASS_PATH, className, JavaFileObject.Kind.CLASS); |
jjg@451 | 152 | if (fo == null) |
jjg@451 | 153 | throw new ClassFileNotFoundException(className); |
jjg@451 | 154 | InputStream in = fo.openInputStream(); |
jjg@451 | 155 | try { |
jjg@451 | 156 | return ClassFile.read(in); |
jjg@451 | 157 | } finally { |
jjg@451 | 158 | in.close(); |
jjg@451 | 159 | } |
jjg@451 | 160 | } catch (ConstantPoolException e) { |
jjg@451 | 161 | throw new ClassFileNotFoundException(className, e); |
jjg@451 | 162 | } catch (IOException e) { |
jjg@451 | 163 | throw new ClassFileNotFoundException(className, e); |
jjg@451 | 164 | } |
jjg@451 | 165 | } |
jjg@451 | 166 | }; |
jjg@451 | 167 | |
jjg@451 | 168 | static class SortedRecorder implements Recorder { |
jjg@451 | 169 | public SortedRecorder(boolean reverse) { |
jjg@451 | 170 | this.reverse = reverse; |
jjg@451 | 171 | } |
jjg@451 | 172 | |
jjg@451 | 173 | public void addDependency(Dependency d) { |
jjg@451 | 174 | Location o = (reverse ? d.getTarget() : d.getOrigin()); |
jjg@451 | 175 | SortedSet<Dependency> odeps = map.get(o); |
jjg@451 | 176 | if (odeps == null) { |
jjg@451 | 177 | Comparator<Dependency> c = (reverse ? originComparator : targetComparator); |
jjg@451 | 178 | map.put(o, odeps = new TreeSet<Dependency>(c)); |
jjg@451 | 179 | } |
jjg@451 | 180 | odeps.add(d); |
jjg@451 | 181 | } |
jjg@451 | 182 | |
jjg@451 | 183 | public SortedMap<Location, SortedSet<Dependency>> getMap() { |
jjg@451 | 184 | return map; |
jjg@451 | 185 | } |
jjg@451 | 186 | |
jjg@451 | 187 | private Comparator<Dependency> originComparator = new Comparator<Dependency>() { |
jjg@451 | 188 | public int compare(Dependency o1, Dependency o2) { |
jjg@452 | 189 | return o1.getOrigin().toString().compareTo(o2.getOrigin().toString()); |
jjg@451 | 190 | } |
jjg@451 | 191 | }; |
jjg@451 | 192 | |
jjg@451 | 193 | private Comparator<Dependency> targetComparator = new Comparator<Dependency>() { |
jjg@451 | 194 | public int compare(Dependency o1, Dependency o2) { |
jjg@451 | 195 | return o1.getTarget().toString().compareTo(o2.getTarget().toString()); |
jjg@451 | 196 | } |
jjg@451 | 197 | }; |
jjg@451 | 198 | |
jjg@451 | 199 | private Comparator<Location> locationComparator = new Comparator<Location>() { |
jjg@451 | 200 | public int compare(Location o1, Location o2) { |
jjg@451 | 201 | return o1.toString().compareTo(o2.toString()); |
jjg@451 | 202 | } |
jjg@451 | 203 | }; |
jjg@451 | 204 | |
jjg@451 | 205 | private final SortedMap<Location, SortedSet<Dependency>> map = |
jjg@451 | 206 | new TreeMap<Location, SortedSet<Dependency>>(locationComparator); |
jjg@451 | 207 | |
jjg@451 | 208 | boolean reverse; |
jjg@451 | 209 | } |
jjg@451 | 210 | |
jjg@451 | 211 | } |