src/java.base/share/classes/jdk/internal/jrtfs/JrtFileSystemProvider.java
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 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
@@ -68,11 +68,11 @@
* Need FilePermission ${java.home}/-", "read" to create or get jrt:/
*/
private void checkPermission() {
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
- String home = SystemImages.RUNTIME_HOME;
+ String home = SystemImage.RUNTIME_HOME;
FilePermission perm
= new FilePermission(home + File.separator + "-", "read");
sm.checkPermission(perm);
}
}
@@ -105,13 +105,11 @@
checkUri(uri);
if (env != null && env.containsKey("java.home")) {
return newFileSystem((String)env.get("java.home"), uri, env);
} else {
- return SystemImages.hasModulesImage()
- ? new JrtFileSystem(this, env)
- : new JrtExplodedFileSystem(this, env);
+ return new JrtFileSystem(this, env);
}
}
private static final String JRT_FS_JAR = "jrt-fs.jar";
private FileSystem newFileSystem(String targetHome, URI uri, Map<String, ?> env)
@@ -119,11 +117,10 @@
Objects.requireNonNull(targetHome);
Path jrtfs = FileSystems.getDefault().getPath(targetHome, JRT_FS_JAR);
if (Files.notExists(jrtfs)) {
throw new IOException(jrtfs.toString() + " not exist");
}
-
Map<String,?> newEnv = new HashMap<>(env);
newEnv.remove("java.home");
ClassLoader cl = newJrtFsLoader(jrtfs);
try {
Class<?> c = Class.forName(JrtFileSystemProvider.class.getName(), false, cl);
@@ -137,11 +134,10 @@
private static class JrtFsLoader extends URLClassLoader {
JrtFsLoader(URL[] urls) {
super(urls);
}
-
@Override
protected Class<?> loadClass(String cn, boolean resolve)
throws ClassNotFoundException
{
Class<?> c = findLoadedClass(cn);
@@ -206,25 +202,11 @@
if (fs == null) {
synchronized (this) {
fs = this.theFileSystem;
if (fs == null) {
try {
- if (SystemImages.hasModulesImage()) {
- this.theFileSystem = fs = new JrtFileSystem(this, null) {
- @Override
- public void close() {
- throw new UnsupportedOperationException();
- }
- };
- } else {
- this.theFileSystem = fs = new JrtExplodedFileSystem(this, null) {
- @Override
- public void close() {
- throw new UnsupportedOperationException();
- }
- };
- }
+ this.theFileSystem = fs = new JrtFileSystem(this, null);
} catch (IOException ioe) {
throw new InternalError(ioe);
}
}
}
@@ -238,73 +220,71 @@
checkUri(uri);
return getTheFileSystem();
}
// Checks that the given file is a JrtPath
- static final AbstractJrtPath toAbstractJrtPath(Path path) {
- if (path == null) {
- throw new NullPointerException();
- }
- if (!(path instanceof AbstractJrtPath)) {
+ static final JrtPath toJrtPath(Path path) {
+ Objects.requireNonNull(path, "path");
+ if (!(path instanceof JrtPath)) {
throw new ProviderMismatchException();
}
- return (AbstractJrtPath) path;
+ return (JrtPath) path;
}
@Override
public void checkAccess(Path path, AccessMode... modes) throws IOException {
- toAbstractJrtPath(path).checkAccess(modes);
+ toJrtPath(path).checkAccess(modes);
}
@Override
public Path readSymbolicLink(Path link) throws IOException {
- return toAbstractJrtPath(link).readSymbolicLink();
+ return toJrtPath(link).readSymbolicLink();
}
@Override
public void copy(Path src, Path target, CopyOption... options)
throws IOException {
- toAbstractJrtPath(src).copy(toAbstractJrtPath(target), options);
+ toJrtPath(src).copy(toJrtPath(target), options);
}
@Override
public void createDirectory(Path path, FileAttribute<?>... attrs)
throws IOException {
- toAbstractJrtPath(path).createDirectory(attrs);
+ toJrtPath(path).createDirectory(attrs);
}
@Override
public final void delete(Path path) throws IOException {
- toAbstractJrtPath(path).delete();
+ toJrtPath(path).delete();
}
@Override
@SuppressWarnings("unchecked")
public <V extends FileAttributeView> V
getFileAttributeView(Path path, Class<V> type, LinkOption... options) {
- return JrtFileAttributeView.get(toAbstractJrtPath(path), type, options);
+ return JrtFileAttributeView.get(toJrtPath(path), type, options);
}
@Override
public FileStore getFileStore(Path path) throws IOException {
- return toAbstractJrtPath(path).getFileStore();
+ return toJrtPath(path).getFileStore();
}
@Override
public boolean isHidden(Path path) {
- return toAbstractJrtPath(path).isHidden();
+ return toJrtPath(path).isHidden();
}
@Override
public boolean isSameFile(Path path, Path other) throws IOException {
- return toAbstractJrtPath(path).isSameFile(other);
+ return toJrtPath(path).isSameFile(other);
}
@Override
public void move(Path src, Path target, CopyOption... options)
throws IOException {
- toAbstractJrtPath(src).move(toAbstractJrtPath(target), options);
+ toJrtPath(src).move(toJrtPath(target), options);
}
@Override
public AsynchronousFileChannel newAsynchronousFileChannel(Path path,
Set<? extends OpenOption> options,
@@ -317,59 +297,59 @@
@Override
public SeekableByteChannel newByteChannel(Path path,
Set<? extends OpenOption> options,
FileAttribute<?>... attrs)
throws IOException {
- return toAbstractJrtPath(path).newByteChannel(options, attrs);
+ return toJrtPath(path).newByteChannel(options, attrs);
}
@Override
public DirectoryStream<Path> newDirectoryStream(
Path path, Filter<? super Path> filter) throws IOException {
- return toAbstractJrtPath(path).newDirectoryStream(filter);
+ return toJrtPath(path).newDirectoryStream(filter);
}
@Override
public FileChannel newFileChannel(Path path,
Set<? extends OpenOption> options,
FileAttribute<?>... attrs)
throws IOException {
- return toAbstractJrtPath(path).newFileChannel(options, attrs);
+ return toJrtPath(path).newFileChannel(options, attrs);
}
@Override
public InputStream newInputStream(Path path, OpenOption... options)
throws IOException {
- return toAbstractJrtPath(path).newInputStream(options);
+ return toJrtPath(path).newInputStream(options);
}
@Override
public OutputStream newOutputStream(Path path, OpenOption... options)
throws IOException {
- return toAbstractJrtPath(path).newOutputStream(options);
+ return toJrtPath(path).newOutputStream(options);
}
@Override
@SuppressWarnings("unchecked") // Cast to A
public <A extends BasicFileAttributes> A
readAttributes(Path path, Class<A> type, LinkOption... options)
throws IOException {
if (type == BasicFileAttributes.class || type == JrtFileAttributes.class) {
- return (A) toAbstractJrtPath(path).getAttributes(options);
+ return (A) toJrtPath(path).getAttributes(options);
}
return null;
}
@Override
public Map<String, Object>
readAttributes(Path path, String attribute, LinkOption... options)
throws IOException {
- return toAbstractJrtPath(path).readAttributes(attribute, options);
+ return toJrtPath(path).readAttributes(attribute, options);
}
@Override
public void setAttribute(Path path, String attribute,
Object value, LinkOption... options)
throws IOException {
- toAbstractJrtPath(path).setAttribute(attribute, value, options);
+ toJrtPath(path).setAttribute(attribute, value, options);
}
}