Fri, 18 Jul 2014 10:43:41 -0700
8050804: (jdeps) Recommend supported API to replace use of JDK internal API
Reviewed-by: dfuchs
1 /*
2 * Copyright (c) 2012, 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.Dependency.Location;
29 import java.io.IOException;
30 import java.nio.file.Path;
31 import java.util.HashSet;
32 import java.util.Map;
33 import java.util.Set;
34 import java.util.concurrent.ConcurrentHashMap;
36 /**
37 * Represents the source of the class files.
38 */
39 public class Archive {
40 public static Archive getInstance(Path p) throws IOException {
41 return new Archive(p, ClassFileReader.newInstance(p));
42 }
44 private final Path path;
45 private final String filename;
46 private final ClassFileReader reader;
47 protected Map<Location, Set<Location>> deps = new ConcurrentHashMap<>();
49 protected Archive(String name) {
50 this.path = null;
51 this.filename = name;
52 this.reader = null;
53 }
55 protected Archive(Path p, ClassFileReader reader) {
56 this.path = p;
57 this.filename = path.getFileName().toString();
58 this.reader = reader;
59 }
61 public ClassFileReader reader() {
62 return reader;
63 }
65 public String getName() {
66 return filename;
67 }
69 public void addClass(Location origin) {
70 Set<Location> set = deps.get(origin);
71 if (set == null) {
72 set = new HashSet<>();
73 deps.put(origin, set);
74 }
75 }
77 public void addClass(Location origin, Location target) {
78 Set<Location> set = deps.get(origin);
79 if (set == null) {
80 set = new HashSet<>();
81 deps.put(origin, set);
82 }
83 set.add(target);
84 }
86 public Set<Location> getClasses() {
87 return deps.keySet();
88 }
90 public void visitDependences(Visitor v) {
91 for (Map.Entry<Location,Set<Location>> e: deps.entrySet()) {
92 for (Location target : e.getValue()) {
93 v.visit(e.getKey(), target);
94 }
95 }
96 }
98 public boolean isEmpty() {
99 return getClasses().isEmpty();
100 }
102 public String getPathName() {
103 return path != null ? path.toString() : filename;
104 }
106 public String toString() {
107 return filename;
108 }
110 interface Visitor {
111 void visit(Location origin, Location target);
112 }
113 }