1 /* |
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2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package com.sun.tools.jdeps; |
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26 |
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27 import com.sun.tools.classfile.ClassFile; |
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28 import com.sun.tools.classfile.Dependency.Location; |
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29 |
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30 import java.io.IOException; |
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31 import java.io.UncheckedIOException; |
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32 import java.nio.file.Path; |
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33 import java.util.HashSet; |
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34 import java.util.Map; |
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35 import java.util.Set; |
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36 import java.util.concurrent.ConcurrentHashMap; |
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37 |
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38 /** |
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39 * Represents the source of the class files. |
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40 */ |
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41 public class Archive { |
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42 public static Archive getInstance(Path p) { |
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43 try { |
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44 return new Archive(p, ClassFileReader.newInstance(p)); |
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45 } catch (IOException e) { |
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46 throw new UncheckedIOException(e); |
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47 } |
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48 } |
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49 |
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50 private final Path path; |
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51 private final String filename; |
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52 private final ClassFileReader reader; |
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53 protected Map<Location, Set<Location>> deps = new ConcurrentHashMap<>(); |
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54 |
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55 protected Archive(String name) { |
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56 this(name, null); |
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57 } |
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58 protected Archive(String name, ClassFileReader reader) { |
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59 this.path = null; |
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60 this.filename = name; |
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61 this.reader = reader; |
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62 } |
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63 protected Archive(Path p, ClassFileReader reader) { |
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64 this.path = p; |
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65 this.filename = path.getFileName().toString(); |
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66 this.reader = reader; |
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67 } |
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68 |
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69 public ClassFileReader reader() { |
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70 return reader; |
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71 } |
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72 |
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73 public String getName() { |
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74 return filename; |
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75 } |
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76 |
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77 public void addClass(Location origin) { |
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78 deps.computeIfAbsent(origin, _k -> new HashSet<>()); |
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79 } |
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80 |
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81 public void addClass(Location origin, Location target) { |
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82 deps.computeIfAbsent(origin, _k -> new HashSet<>()).add(target); |
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83 } |
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84 |
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85 public Set<Location> getClasses() { |
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86 return deps.keySet(); |
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87 } |
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88 |
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89 public void visitDependences(Visitor v) { |
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90 for (Map.Entry<Location,Set<Location>> e: deps.entrySet()) { |
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91 for (Location target : e.getValue()) { |
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92 v.visit(e.getKey(), target); |
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93 } |
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94 } |
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95 } |
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96 |
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97 public boolean isEmpty() { |
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98 return getClasses().isEmpty(); |
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99 } |
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100 |
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101 public String getPathName() { |
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102 return path != null ? path.toString() : filename; |
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103 } |
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104 |
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105 public String toString() { |
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106 return filename; |
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107 } |
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108 |
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109 public Path path() { |
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110 return path; |
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111 } |
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112 |
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113 interface Visitor { |
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114 void visit(Location origin, Location target); |
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115 } |
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116 } |
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