80 return m;
81 }
82 }
83 }
84 return null;
85 }
86
87 /**
88 * Returns JAR files in $java.home/lib. This is for transition until
89 * all components are linked into jimage.
90 */
91 static List<Archive> getJarFiles() throws IOException {
92 Path home = Paths.get(System.getProperty("java.home"), "lib");
93 return Files.find(home, 1, (Path p, BasicFileAttributes attr)
94 -> p.getFileName().toString().endsWith(".jar"))
95 .map(Archive::getInstance)
96 .collect(Collectors.toList());
97 }
98
99 static class ImageHelper {
100 static ImageHelper getInstance(Path mpath) throws IOException {
101 if (mpath != null) {
102 return new ImageHelper(mpath);
103 }
104 Path home = Paths.get(System.getProperty("java.home"));
105 Path mlib = home.resolve("lib").resolve("modules");
106 if (Files.isDirectory(mlib)) {
107 // jimage
108 FileSystem fs = FileSystems.getFileSystem(URI.create("jrt:/"));
109 return new ImageHelper(fs, fs.getPath("/"));
110 } else {
111 // exploded modules
112 mlib = home.resolve("modules");
113 if (!Files.isDirectory(mlib)) {
114 throw new InternalError(home + " not a modular image");
115 }
116 return new ImageHelper(mlib);
117 }
118 }
119
120 private final FileSystem fs;
121 private final Path mpath;
122
123 ImageHelper(Path path) throws IOException {
124 this(FileSystems.getDefault(), path);
125 }
126
127 ImageHelper(FileSystem fs, Path path) throws IOException {
128 this.fs = fs;
129 this.mpath = path;
130 }
131
132 /**
133 * Returns a ModuleClassReader that only reads classes for the given modulename.
134 */
135 public ModuleClassReader getModuleClassReader(String modulename)
136 throws IOException
|
80 return m;
81 }
82 }
83 }
84 return null;
85 }
86
87 /**
88 * Returns JAR files in $java.home/lib. This is for transition until
89 * all components are linked into jimage.
90 */
91 static List<Archive> getJarFiles() throws IOException {
92 Path home = Paths.get(System.getProperty("java.home"), "lib");
93 return Files.find(home, 1, (Path p, BasicFileAttributes attr)
94 -> p.getFileName().toString().endsWith(".jar"))
95 .map(Archive::getInstance)
96 .collect(Collectors.toList());
97 }
98
99 static class ImageHelper {
100 private static boolean isJrtAvailable() {
101 try {
102 FileSystems.getFileSystem(URI.create("jrt:/"));
103 return true;
104 } catch (ProviderNotFoundException | FileSystemNotFoundException e) {
105 return false;
106 }
107 }
108
109 static ImageHelper getInstance(Path mpath) throws IOException {
110 if (mpath != null) {
111 return new ImageHelper(mpath);
112 }
113
114 if (isJrtAvailable()) {
115 // jrt file system
116 FileSystem fs = FileSystems.getFileSystem(URI.create("jrt:/"));
117 return new ImageHelper(fs, fs.getPath("/modules"));
118 } else {
119 // exploded modules
120 String home = System.getProperty("java.home");
121 Path exploded = Paths.get(home, "modules");
122 if (!Files.isDirectory(exploded)) {
123 throw new InternalError(home + " not a modular image");
124 }
125 return new ImageHelper(exploded);
126 }
127 }
128
129 private final FileSystem fs;
130 private final Path mpath;
131
132 ImageHelper(Path path) throws IOException {
133 this(FileSystems.getDefault(), path);
134 }
135
136 ImageHelper(FileSystem fs, Path path) throws IOException {
137 this.fs = fs;
138 this.mpath = path;
139 }
140
141 /**
142 * Returns a ModuleClassReader that only reads classes for the given modulename.
143 */
144 public ModuleClassReader getModuleClassReader(String modulename)
145 throws IOException
|