--- a/jdk/src/share/demo/nio/zipfs/src/com/sun/nio/zipfs/ZipFileSystemProvider.java Thu Apr 17 15:23:23 2014 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,327 +0,0 @@
-/*
- * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of Oracle nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * This source code is provided to illustrate the usage of a given feature
- * or technique and has been deliberately simplified. Additional steps
- * required for a production-quality application, such as security checks,
- * input validation and proper error handling, might not be present in
- * this sample code.
- */
-
-
-package com.sun.nio.zipfs;
-
-import java.io.*;
-import java.nio.channels.*;
-import java.nio.file.*;
-import java.nio.file.DirectoryStream.Filter;
-import java.nio.file.attribute.*;
-import java.nio.file.spi.FileSystemProvider;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Set;
-import java.util.zip.ZipError;
-import java.util.concurrent.ExecutorService;
-
-/*
- *
- * @author Xueming Shen, Rajendra Gutupalli, Jaya Hangal
- */
-
-public class ZipFileSystemProvider extends FileSystemProvider {
-
-
- private final Map<Path, ZipFileSystem> filesystems = new HashMap<>();
-
- public ZipFileSystemProvider() {}
-
- @Override
- public String getScheme() {
- return "jar";
- }
-
- protected Path uriToPath(URI uri) {
- String scheme = uri.getScheme();
- if ((scheme == null) || !scheme.equalsIgnoreCase(getScheme())) {
- throw new IllegalArgumentException("URI scheme is not '" + getScheme() + "'");
- }
- try {
- // only support legacy JAR URL syntax jar:{uri}!/{entry} for now
- String spec = uri.getRawSchemeSpecificPart();
- int sep = spec.indexOf("!/");
- if (sep != -1)
- spec = spec.substring(0, sep);
- return Paths.get(new URI(spec)).toAbsolutePath();
- } catch (URISyntaxException e) {
- throw new IllegalArgumentException(e.getMessage(), e);
- }
- }
-
- private boolean ensureFile(Path path) {
- try {
- BasicFileAttributes attrs =
- Files.readAttributes(path, BasicFileAttributes.class);
- if (!attrs.isRegularFile())
- throw new UnsupportedOperationException();
- return true;
- } catch (IOException ioe) {
- return false;
- }
- }
-
- @Override
- public FileSystem newFileSystem(URI uri, Map<String, ?> env)
- throws IOException
- {
- Path path = uriToPath(uri);
- synchronized(filesystems) {
- Path realPath = null;
- if (ensureFile(path)) {
- realPath = path.toRealPath();
- if (filesystems.containsKey(realPath))
- throw new FileSystemAlreadyExistsException();
- }
- ZipFileSystem zipfs = null;
- try {
- zipfs = new ZipFileSystem(this, path, env);
- } catch (ZipError ze) {
- String pname = path.toString();
- if (pname.endsWith(".zip") || pname.endsWith(".jar"))
- throw ze;
- // assume NOT a zip/jar file
- throw new UnsupportedOperationException();
- }
- filesystems.put(realPath, zipfs);
- return zipfs;
- }
- }
-
- @Override
- public FileSystem newFileSystem(Path path, Map<String, ?> env)
- throws IOException
- {
- if (path.getFileSystem() != FileSystems.getDefault()) {
- throw new UnsupportedOperationException();
- }
- ensureFile(path);
- try {
- return new ZipFileSystem(this, path, env);
- } catch (ZipError ze) {
- String pname = path.toString();
- if (pname.endsWith(".zip") || pname.endsWith(".jar"))
- throw ze;
- throw new UnsupportedOperationException();
- }
- }
-
- @Override
- public Path getPath(URI uri) {
-
- String spec = uri.getSchemeSpecificPart();
- int sep = spec.indexOf("!/");
- if (sep == -1)
- throw new IllegalArgumentException("URI: "
- + uri
- + " does not contain path info ex. jar:file:/c:/foo.zip!/BAR");
- return getFileSystem(uri).getPath(spec.substring(sep + 1));
- }
-
-
- @Override
- public FileSystem getFileSystem(URI uri) {
- synchronized (filesystems) {
- ZipFileSystem zipfs = null;
- try {
- zipfs = filesystems.get(uriToPath(uri).toRealPath());
- } catch (IOException x) {
- // ignore the ioe from toRealPath(), return FSNFE
- }
- if (zipfs == null)
- throw new FileSystemNotFoundException();
- return zipfs;
- }
- }
-
- // Checks that the given file is a UnixPath
- static final ZipPath toZipPath(Path path) {
- if (path == null)
- throw new NullPointerException();
- if (!(path instanceof ZipPath))
- throw new ProviderMismatchException();
- return (ZipPath)path;
- }
-
- @Override
- public void checkAccess(Path path, AccessMode... modes) throws IOException {
- toZipPath(path).checkAccess(modes);
- }
-
- @Override
- public void copy(Path src, Path target, CopyOption... options)
- throws IOException
- {
- toZipPath(src).copy(toZipPath(target), options);
- }
-
- @Override
- public void createDirectory(Path path, FileAttribute<?>... attrs)
- throws IOException
- {
- toZipPath(path).createDirectory(attrs);
- }
-
- @Override
- public final void delete(Path path) throws IOException {
- toZipPath(path).delete();
- }
-
- @Override
- @SuppressWarnings("unchecked")
- public <V extends FileAttributeView> V
- getFileAttributeView(Path path, Class<V> type, LinkOption... options)
- {
- return ZipFileAttributeView.get(toZipPath(path), type);
- }
-
- @Override
- public FileStore getFileStore(Path path) throws IOException {
- return toZipPath(path).getFileStore();
- }
-
- @Override
- public boolean isHidden(Path path) {
- return toZipPath(path).isHidden();
- }
-
- @Override
- public boolean isSameFile(Path path, Path other) throws IOException {
- return toZipPath(path).isSameFile(other);
- }
-
- @Override
- public void move(Path src, Path target, CopyOption... options)
- throws IOException
- {
- toZipPath(src).move(toZipPath(target), options);
- }
-
- @Override
- public AsynchronousFileChannel newAsynchronousFileChannel(Path path,
- Set<? extends OpenOption> options,
- ExecutorService exec,
- FileAttribute<?>... attrs)
- throws IOException
- {
- throw new UnsupportedOperationException();
- }
-
- @Override
- public SeekableByteChannel newByteChannel(Path path,
- Set<? extends OpenOption> options,
- FileAttribute<?>... attrs)
- throws IOException
- {
- return toZipPath(path).newByteChannel(options, attrs);
- }
-
- @Override
- public DirectoryStream<Path> newDirectoryStream(
- Path path, Filter<? super Path> filter) throws IOException
- {
- return toZipPath(path).newDirectoryStream(filter);
- }
-
- @Override
- public FileChannel newFileChannel(Path path,
- Set<? extends OpenOption> options,
- FileAttribute<?>... attrs)
- throws IOException
- {
- return toZipPath(path).newFileChannel(options, attrs);
- }
-
- @Override
- public InputStream newInputStream(Path path, OpenOption... options)
- throws IOException
- {
- return toZipPath(path).newInputStream(options);
- }
-
- @Override
- public OutputStream newOutputStream(Path path, OpenOption... options)
- throws IOException
- {
- return toZipPath(path).newOutputStream(options);
- }
-
- @Override
- public <A extends BasicFileAttributes> A
- readAttributes(Path path, Class<A> type, LinkOption... options)
- throws IOException
- {
- if (type == BasicFileAttributes.class || type == ZipFileAttributes.class)
- return (A)toZipPath(path).getAttributes();
- return null;
- }
-
- @Override
- public Map<String, Object>
- readAttributes(Path path, String attribute, LinkOption... options)
- throws IOException
- {
- return toZipPath(path).readAttributes(attribute, options);
- }
-
- @Override
- public Path readSymbolicLink(Path link) throws IOException {
- throw new UnsupportedOperationException("Not supported.");
- }
-
- @Override
- public void setAttribute(Path path, String attribute,
- Object value, LinkOption... options)
- throws IOException
- {
- toZipPath(path).setAttribute(attribute, value, options);
- }
-
- //////////////////////////////////////////////////////////////
- void removeFileSystem(Path zfpath, ZipFileSystem zfs) throws IOException {
- synchronized (filesystems) {
- zfpath = zfpath.toRealPath();
- if (filesystems.get(zfpath) == zfs)
- filesystems.remove(zfpath);
- }
- }
-}