jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/jdeps/Analyzer.java@defadd528513 (annotated)

src/share/classes/com/sun/tools/jdeps/Analyzer.java@defadd528513 (annotated)

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

Thu, 17 Oct 2013 13:19:48 -0700

author: mchung
date: Thu, 17 Oct 2013 13:19:48 -0700
changeset 2139: defadd528513
parent 1638: fd3fdaff0257
child 2172: aa91bc6e8480
permissions: -rw-r--r--

8015912: jdeps support to output in dot file format
8026255: Switch jdeps to follow traditional Java option style
Reviewed-by: alanb

 /*
  * 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
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.jdeps;
 import com.sun.tools.classfile.Dependency.Location;
 import com.sun.tools.jdeps.PlatformClassPath.JDKArchive;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.SortedMap;
 import java.util.SortedSet;
 import java.util.TreeMap;
 import java.util.TreeSet;
 /**
  * Dependency Analyzer.
  */
 public class Analyzer {
     /**
      * Type of the dependency analysis.  Appropriate level of data
      * will be stored.
      */
     public enum Type {
         SUMMARY,
         PACKAGE,
         CLASS,
         VERBOSE
     };
     private final Type type;
     private final Map<Archive, ArchiveDeps> results = new HashMap<>();
     private final Map<String, Archive> map = new HashMap<>();
     private final Archive NOT_FOUND
         = new Archive(JdepsTask.getMessage("artifact.not.found"));
     /**
      * Constructs an Analyzer instance.
      *
      * @param type Type of the dependency analysis
      */
     public Analyzer(Type type) {
         this.type = type;
     }
     /**
      * Performs the dependency analysis on the given archives.
      */
     public void run(List<Archive> archives) {
         for (Archive archive : archives) {
             ArchiveDeps deps;
             if (type == Type.CLASS || type == Type.VERBOSE) {
                 deps = new ClassVisitor(archive);
             } else {
                 deps = new PackageVisitor(archive);
             }
             archive.visit(deps);
             results.put(archive, deps);
         }
         // set the required dependencies
         for (ArchiveDeps result: results.values()) {
             for (Set<String> set : result.deps.values()) {
                 for (String target : set) {
                     Archive source = getArchive(target);
                     if (result.archive != source) {
                         String profile = "";
                         if (source instanceof JDKArchive) {
                             profile = result.profile != null ? result.profile.toString() : "";
                             if (result.getTargetProfile(target) == null) {
                                 profile += ", JDK internal API";
                                 // override the value if it accesses any JDK internal
                                 result.requireArchives.put(source, profile);
                                 continue;
                             }
                         }
                         if (!result.requireArchives.containsKey(source)) {
                             result.requireArchives.put(source, profile);
                         }
                     }
                 }
             }
         }
     }
     public boolean hasDependences(Archive archive) {
         if (results.containsKey(archive)) {
             return results.get(archive).deps.size() > 0;
         }
         return false;
     }
     public interface Visitor {
         /**
          * Visits the source archive to its destination archive of
          * a recorded dependency.
          */
         void visitArchiveDependence(Archive origin, Archive target, String profile);
         /**
          * Visits a recorded dependency from origin to target which can be
          * a fully-qualified classname, a package name, a profile or
          * archive name depending on the Analyzer's type.
          */
         void visitDependence(String origin, Archive source, String target, Archive archive, String profile);
     }
     public void visitArchiveDependences(Archive source, Visitor v) {
         ArchiveDeps r = results.get(source);
         for (Map.Entry<Archive,String> e : r.requireArchives.entrySet()) {
             v.visitArchiveDependence(r.archive, e.getKey(), e.getValue());
         }
     }
     public void visitDependences(Archive source, Visitor v) {
         ArchiveDeps r = results.get(source);
         for (String origin : r.deps.keySet()) {
             for (String target : r.deps.get(origin)) {
                 Archive archive = getArchive(target);
                 assert source == getArchive(origin);
                 Profile profile = r.getTargetProfile(target);
                 // filter intra-dependency unless in verbose mode
                 if (type == Type.VERBOSE || archive != source) {
                     v.visitDependence(origin, source, target, archive,
                                       profile != null ? profile.toString() : "");
                 }
             }
         }
     }
     public Archive getArchive(String name) {
         return map.containsKey(name) ? map.get(name) : NOT_FOUND;
     }
     private abstract class ArchiveDeps implements Archive.Visitor {
         final Archive archive;
         final Map<Archive,String> requireArchives;
         final SortedMap<String, SortedSet<String>> deps;
         Profile profile = null;
         ArchiveDeps(Archive archive) {
             this.archive = archive;
             this.requireArchives = new HashMap<>();
             this.deps = new TreeMap<>();
         }
         void add(String loc) {
             Archive a = map.get(loc);
             if (a == null) {
                 map.put(loc, archive);
             } else if (a != archive) {
                 // duplicated class warning?
             }
         }
         void add(String origin, String target) {
             SortedSet<String> set = deps.get(origin);
             if (set == null) {
                 deps.put(origin, set = new TreeSet<>());
             }
             if (!set.contains(target)) {
                 set.add(target);
                 // find the corresponding profile
                 Profile p = getTargetProfile(target);
                 if (profile == null || (p != null && profile.profile < p.profile)) {
                      profile = p;
                 }
             }
         }
         public abstract void visit(Location o, Location t);
         public abstract Profile getTargetProfile(String target);
     }
     private class ClassVisitor extends ArchiveDeps {
         ClassVisitor(Archive archive) {
             super(archive);
         }
         public void visit(Location l) {
             add(l.getClassName());
         }
         public void visit(Location o, Location t) {
             add(o.getClassName(), t.getClassName());
         }
         public Profile getTargetProfile(String target) {
             int i = target.lastIndexOf('.');
             return (i > 0) ? Profile.getProfile(target.substring(0, i)) : null;
         }
     }
     private class PackageVisitor extends ArchiveDeps {
         PackageVisitor(Archive archive) {
             super(archive);
         }
         public void visit(Location o, Location t) {
             add(packageOf(o), packageOf(t));
         }
         public void visit(Location l) {
             add(packageOf(l));
         }
         private String packageOf(Location loc) {
             String pkg = loc.getPackageName();
             return pkg.isEmpty() ? "<unnamed>" : pkg;
         }
         public Profile getTargetProfile(String target) {
             return Profile.getProfile(target);
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/jdeps/Analyzer.java@defadd528513 (annotated)

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