--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/demo/nio/zipfs/Demo.java Fri Oct 08 21:33:28 2010 -0700
@@ -0,0 +1,664 @@
+/*
+ * Copyright (c) 2010 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.
+ */
+
+import java.io.*;
+import java.nio.*;
+import java.nio.channels.*;
+import java.nio.file.*;
+import java.nio.file.attribute.*;
+import java.net.*;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+import static java.nio.file.StandardOpenOption.*;
+import static java.nio.file.StandardCopyOption.*;
+
+/*
+ * ZipFileSystem usage demo
+ *
+ * java [-cp .../zipfs.jar:./] Demo action ZipfileName [...]
+ *
+ * To deploy the provider, either copy the zipfs.jar into JDK/JRE
+ * extensions directory or add
+ * <JDK_HOME>/demo/nio/ZipFileSystem/zipfs.jar
+ * into your class path as showed above.
+ *
+ * @author Xueming Shen
+ */
+
+public class Demo {
+
+ static enum Action {
+ rename, // <java Demo rename zipfile src dst>
+ // rename entry src to dst inside zipfile
+
+ movein, // <java Demo movein zipfile src dst>
+ // move an external src file into zipfile
+ // as entry dst
+
+ moveout, // <java Demo moveout zipfile src dst>
+ // move a zipfile entry src out to dst
+
+ copy, // <java Demo copy zipfile src dst>
+ // copy entry src to dst inside zipfile
+
+ copyin, // <java Demo copyin zipfile src dst>
+ // copy an external src file into zipfile
+ // as entry dst
+
+ copyout, // <java Demo copyout zipfile src dst>
+ // copy zipfile entry src" out to file dst
+
+ zzmove, // <java Demo zzmove zfsrc zfdst path>
+ // move entry path/dir from zfsrc to zfdst
+
+ zzcopy, // <java Demo zzcopy zfsrc zfdst path>
+ // copy path from zipfile zfsrc to zipfile
+ // zfdst
+
+ attrs, // <java Demo attrs zipfile path>
+ // printout the attributes of entry path
+
+ attrsspace, // <java Demo attrsspace zipfile path>
+ // printout the storespace attrs of entry path
+
+ setmtime, // <java Demo setmtime zipfile "MM/dd/yy-HH:mm:ss" path...>
+ // set the lastModifiedTime of entry path
+
+ lsdir, // <java Demo lsdir zipfile dir>
+ // list dir's direct child files/dirs
+
+ mkdir, // <java Demo mkdir zipfile dir>
+
+ mkdirs, // <java Demo mkdirs zipfile dir>
+
+ rmdirs, // <java Demo rmdirs zipfile dir>
+
+ list, // <java Demo list zipfile [dir]>
+ // recursively list all entries of dir
+ // via DirectoryStream
+
+ tlist, // <java Demo tlist zipfile [dir]>
+ // list with buildDirTree=true
+
+ vlist, // <java Demo vlist zipfile [dir]>
+ // recursively verbose list all entries of
+ // dir via DirectoryStream
+
+ walk, // <java Demo walk zipfile [dir]>
+ // recursively walk all entries of dir
+ // via Files.walkFileTree
+
+ twalk, // <java Demo twalk zipfile [dir]>
+ // walk with buildDirTree=true
+
+ extract, // <java Demo extract zipfile file [...]>
+
+ update, // <java Demo extract zipfile file [...]>
+
+ delete, // <java Demo delete zipfile file [...]>
+
+ add, // <java Demo add zipfile file [...]>
+
+ create, // <java Demo create zipfile file [...]>
+ // create a new zipfile if it doesn't exit
+ // and then add the file(s) into it.
+
+ attrs2, // <java Demo attrs2 zipfile file [...]>
+ // test different ways to print attrs
+ }
+
+ public static void main(String[] args) throws Throwable {
+
+ Action action = Action.valueOf(args[0]);;
+ Map<String, Object> env = env = new HashMap<String, Object>();
+ if (action == Action.create)
+ env.put("createNew", true);
+ if (action == Action.tlist || action == Action.twalk)
+ env.put("buildDirTree", true);
+
+ FileSystem fs = FileSystems.newFileSystem(
+ URI.create("zip" + Paths.get(args[1]).toUri().toString().substring(4)),
+ env,
+ null);
+ try {
+ FileSystem fs2;
+ Path path, src, dst;
+ boolean isRename = false;
+ switch (action) {
+ case rename:
+ src = fs.getPath(args[2]);
+ dst = fs.getPath(args[3]);
+ src.moveTo(dst);
+ break;
+ case moveout:
+ src = fs.getPath(args[2]);
+ dst = Paths.get(args[3]);
+ src.moveTo(dst);
+ break;
+ case movein:
+ src = Paths.get(args[2]);
+ dst = fs.getPath(args[3]);
+ src.moveTo(dst);
+ break;
+ case copy:
+ src = fs.getPath(args[2]);
+ dst = fs.getPath(args[3]);
+ src.copyTo(dst);
+ break;
+ case copyout:
+ src = fs.getPath(args[2]);
+ dst = Paths.get(args[3]);
+ src.copyTo(dst);
+ break;
+ case copyin:
+ src = Paths.get(args[2]);
+ dst = fs.getPath(args[3]);
+ src.copyTo(dst);
+ break;
+ case zzmove:
+ fs2 = FileSystems.newFileSystem(
+ URI.create("zip" + Paths.get(args[2]).toUri().toString().substring(4)),
+ env,
+ null);
+ //sf1.getPath(args[3]).moveTo(fs2.getPath(args[3]));
+ z2zmove(fs, fs2, args[3]);
+ fs2.close();
+ break;
+ case zzcopy:
+ fs2 = FileSystems.newFileSystem(
+ URI.create("zip" + Paths.get(args[2]).toUri().toString().substring(4)),
+ env,
+ null);
+ //sf1.getPath(args[3]).copyTo(fs2.getPath(args[3]));
+ z2zcopy(fs, fs2, args[3]);
+ fs2.close();
+ break;
+ case attrs:
+ for (int i = 2; i < args.length; i++) {
+ path = fs.getPath(args[i]);
+ System.out.println(
+ Attributes.readBasicFileAttributes(path).toString());
+ }
+ break;
+ case setmtime:
+ DateFormat df = new SimpleDateFormat("MM/dd/yyyy-HH:mm:ss");
+ Date newDatetime = df.parse(args[2]);
+ for (int i = 3; i < args.length; i++) {
+ path = fs.getPath(args[i]);
+ path.setAttribute("lastModifiedTime",
+ FileTime.fromMillis(newDatetime.getTime()));
+ System.out.println(
+ Attributes.readBasicFileAttributes(path).toString());
+ }
+ break;
+ case attrsspace:
+ path = fs.getPath("/");
+ FileStore fstore = path.getFileStore();
+ //System.out.println(fstore.getFileStoreAttributeView(FileStoreSpaceAttributeView.class)
+ // .readAttributes());
+ // or
+ System.out.printf("filestore[%s]%n", fstore.name());
+ System.out.printf(" totalSpace: %d%n",
+ (Long)fstore.getAttribute("space:totalSpace"));
+ System.out.printf(" usableSpace: %d%n",
+ (Long)fstore.getAttribute("space:usableSpace"));
+ System.out.printf(" unallocSpace: %d%n",
+ (Long)fstore.getAttribute("space:unallocatedSpace"));
+ break;
+ case list:
+ case tlist:
+ if (args.length < 3)
+ list(fs.getPath("/"), false);
+ else
+ list(fs.getPath(args[2]), false);
+ break;
+ case vlist:
+ if (args.length < 3)
+ list(fs.getPath("/"), true);
+ else
+ list(fs.getPath(args[2]), true);
+ break;
+ case twalk:
+ case walk:
+ walk(fs.getPath((args.length > 2)? args[2] : "/"));
+ break;
+ case extract:
+ if (args.length == 2) {
+ extract(fs, "/");
+ } else {
+ for (int i = 2; i < args.length; i++) {
+ extract(fs, args[i]);
+ }
+ }
+ break;
+ case delete:
+ for (int i = 2; i < args.length; i++)
+ fs.getPath(args[i]).delete();
+ break;
+ case create:
+ case add:
+ case update:
+ for (int i = 2; i < args.length; i++) {
+ update(fs, args[i]);
+ }
+ break;
+ case lsdir:
+ path = fs.getPath(args[2]);
+ final String fStr = (args.length > 3)?args[3]:"";
+ DirectoryStream<Path> ds = path.newDirectoryStream(
+ new DirectoryStream.Filter<Path>() {
+ public boolean accept(Path path) {
+ return path.toString().contains(fStr);
+ }
+ });
+ for (Path p : ds)
+ System.out.println(p);
+ break;
+ case mkdir:
+ fs.getPath(args[2]).createDirectory();
+ break;
+ case mkdirs:
+ mkdirs(fs.getPath(args[2]));
+ break;
+ case attrs2:
+ for (int i = 2; i < args.length; i++) {
+ path = fs.getPath(args[i]);
+ System.out.println("-------(1)---------");
+ System.out.println(
+ Attributes.readBasicFileAttributes(path).toString());
+ System.out.println("-------(2)---------");
+ Map<String, ?> map = path.readAttributes("zip:*");
+ for (Map.Entry<String, ?> e : map.entrySet()) {
+ System.out.printf(" %s : %s%n", e.getKey(), e.getValue());
+ }
+ System.out.println("-------(3)---------");
+ map = path.readAttributes("size,lastModifiedTime,isDirectory");
+ for (Map.Entry<String, ?> e : map.entrySet()) {
+ System.out.printf(" %s : %s%n", e.getKey(), e.getValue());
+ }
+ }
+ break;
+ }
+ } catch (Exception x) {
+ x.printStackTrace();
+ } finally {
+ if (fs != null)
+ fs.close();
+ }
+ }
+
+ private static byte[] getBytes(String name) {
+ return name.getBytes();
+ }
+
+ private static String getString(byte[] name) {
+ return new String(name);
+ }
+
+ private static void walk(Path path) throws IOException
+ {
+ Files.walkFileTree(
+ path,
+ new SimpleFileVisitor<Path>() {
+ private int indent = 0;
+ private void indent() {
+ int n = 0;
+ while (n++ < indent)
+ System.out.printf(" ");
+ }
+
+ @Override
+ public FileVisitResult visitFile(Path file,
+ BasicFileAttributes attrs)
+ {
+ indent();
+ System.out.printf("%s%n", file.getName().toString());
+ return FileVisitResult.CONTINUE;
+ }
+
+ @Override
+ public FileVisitResult preVisitDirectory(Path dir,
+ BasicFileAttributes attrs)
+ {
+ indent();
+ System.out.printf("[%s]%n", dir.toString());
+ indent += 2;
+ return FileVisitResult.CONTINUE;
+ }
+
+ @Override
+ public FileVisitResult postVisitDirectory(Path dir,
+ IOException ioe)
+ {
+ indent -= 2;
+ return FileVisitResult.CONTINUE;
+ }
+ });
+ }
+
+ private static void update(FileSystem fs, String path) throws Throwable{
+ Path src = FileSystems.getDefault().getPath(path);
+ if (Boolean.TRUE.equals(src.getAttribute("isDirectory"))) {
+ DirectoryStream<Path> ds = src.newDirectoryStream();
+ for (Path child : ds)
+ update(fs, child.toString());
+ ds.close();
+ } else {
+ Path dst = fs.getPath(path);
+ Path parent = dst.getParent();
+ if (parent != null && parent.notExists())
+ mkdirs(parent);
+ src.copyTo(dst, REPLACE_EXISTING);
+ }
+ }
+
+ private static void extract(FileSystem fs, String path) throws Throwable{
+ Path src = fs.getPath(path);
+ if (Boolean.TRUE.equals(src.getAttribute("isDirectory"))) {
+ DirectoryStream<Path> ds = src.newDirectoryStream();
+ for (Path child : ds)
+ extract(fs, child.toString());
+ ds.close();
+ } else {
+ if (path.startsWith("/"))
+ path = path.substring(1);
+ Path dst = FileSystems.getDefault().getPath(path);
+ Path parent = dst.getParent();
+ if (parent.notExists())
+ mkdirs(parent);
+ src.copyTo(dst, REPLACE_EXISTING);
+ }
+ }
+
+ // use DirectoryStream
+ private static void z2zcopy(FileSystem src, FileSystem dst, String path)
+ throws IOException
+ {
+ Path srcPath = src.getPath(path);
+ Path dstPath = dst.getPath(path);
+
+ if (Boolean.TRUE.equals(srcPath.getAttribute("isDirectory"))) {
+ if (!dstPath.exists()) {
+ try {
+ mkdirs(dstPath);
+ } catch (FileAlreadyExistsException x) {}
+ }
+ DirectoryStream<Path> ds = srcPath.newDirectoryStream();
+ for (Path child : ds) {
+ z2zcopy(src, dst,
+ path + (path.endsWith("/")?"":"/") + child.getName());
+ }
+ ds.close();
+ } else {
+ //System.out.println("copying..." + path);
+ srcPath.copyTo(dstPath);
+ }
+ }
+
+ // use TreeWalk to move
+ private static void z2zmove(FileSystem src, FileSystem dst, String path)
+ throws IOException
+ {
+ final Path srcPath = src.getPath(path).toAbsolutePath();
+ final Path dstPath = dst.getPath(path).toAbsolutePath();
+
+ Files.walkFileTree(srcPath, new SimpleFileVisitor<Path>() {
+
+ @Override
+ public FileVisitResult visitFile(Path file,
+ BasicFileAttributes attrs)
+ {
+ Path dst = srcPath.relativize(file);
+ dst = dstPath.resolve(dst);
+ try {
+ Path parent = dstPath.getParent();
+ if (parent != null && parent.notExists())
+ mkdirs(parent);
+ file.moveTo(dst);
+ } catch (IOException x) {
+ x.printStackTrace();
+ }
+ return FileVisitResult.CONTINUE;
+ }
+
+ @Override
+ public FileVisitResult preVisitDirectory(Path dir,
+ BasicFileAttributes attrs)
+ {
+ Path dst = srcPath.relativize(dir);
+ dst = dstPath.resolve(dst);
+ try {
+
+ if (dst.notExists())
+ mkdirs(dst);
+ } catch (IOException x) {
+ x.printStackTrace();
+ }
+ return FileVisitResult.CONTINUE;
+ }
+
+ @Override
+ public FileVisitResult postVisitDirectory(Path dir,
+ IOException ioe)
+ throws IOException
+ {
+ try {
+ dir.delete();
+ } catch (IOException x) {
+ //x.printStackTrace();
+ }
+ return FileVisitResult.CONTINUE;
+ }
+ });
+
+ }
+
+ private static void mkdirs(Path path) throws IOException {
+ path = path.toAbsolutePath();
+ Path parent = path.getParent();
+ if (parent != null) {
+ if (parent.notExists())
+ mkdirs(parent);
+ }
+ path.createDirectory();
+ }
+
+ private static void rmdirs(Path path) throws IOException {
+ while (path != null && path.getNameCount() != 0) {
+ path.delete();
+ path = path.getParent();
+ }
+ }
+
+ private static void list(Path path, boolean verbose ) throws IOException {
+ if (verbose)
+ System.out.println(Attributes.readBasicFileAttributes(path).toString());
+ else
+ System.out.printf(" %s%n", path.toString());
+ if (path.notExists())
+ return;
+ if (Attributes.readBasicFileAttributes(path).isDirectory()) {
+ DirectoryStream<Path> ds = path.newDirectoryStream();
+ for (Path child : ds)
+ list(child, verbose);
+ ds.close();
+ }
+ }
+
+ // check the content of two paths are equal
+ private static void checkEqual(Path src, Path dst) throws IOException
+ {
+ //System.out.printf("checking <%s> vs <%s>...%n",
+ // src.toString(), dst.toString());
+
+ //streams
+ InputStream isSrc = src.newInputStream();
+ InputStream isDst = dst.newInputStream();
+ byte[] bufSrc = new byte[8192];
+ byte[] bufDst = new byte[8192];
+
+ try {
+ int nSrc = 0;
+ while ((nSrc = isSrc.read(bufSrc)) != -1) {
+ int nDst = 0;
+ while (nDst < nSrc) {
+ int n = isDst.read(bufDst, nDst, nSrc - nDst);
+ if (n == -1) {
+ System.out.printf("checking <%s> vs <%s>...%n",
+ src.toString(), dst.toString());
+ throw new RuntimeException("CHECK FAILED!");
+ }
+ nDst += n;
+ }
+ while (--nSrc >= 0) {
+ if (bufSrc[nSrc] != bufDst[nSrc]) {
+ System.out.printf("checking <%s> vs <%s>...%n",
+ src.toString(), dst.toString());
+ throw new RuntimeException("CHECK FAILED!");
+ }
+ nSrc--;
+ }
+ }
+ } finally {
+ isSrc.close();
+ isDst.close();
+ }
+
+ // channels
+ SeekableByteChannel chSrc = src.newByteChannel();
+ SeekableByteChannel chDst = dst.newByteChannel();
+ if (chSrc.size() != chDst.size()) {
+ System.out.printf("src[%s].size=%d, dst[%s].size=%d%n",
+ chSrc.toString(), chSrc.size(),
+ chDst.toString(), chDst.size());
+ throw new RuntimeException("CHECK FAILED!");
+ }
+ ByteBuffer bbSrc = ByteBuffer.allocate(8192);
+ ByteBuffer bbDst = ByteBuffer.allocate(8192);
+
+ try {
+ int nSrc = 0;
+ while ((nSrc = chSrc.read(bbSrc)) != -1) {
+ int nDst = chDst.read(bbDst);
+ if (nSrc != nDst) {
+ System.out.printf("checking <%s> vs <%s>...%n",
+ src.toString(), dst.toString());
+ throw new RuntimeException("CHECK FAILED!");
+ }
+ while (--nSrc >= 0) {
+ if (bbSrc.get(nSrc) != bbDst.get(nSrc)) {
+ System.out.printf("checking <%s> vs <%s>...%n",
+ src.toString(), dst.toString());
+ throw new RuntimeException("CHECK FAILED!");
+ }
+ nSrc--;
+ }
+ bbSrc.flip();
+ bbDst.flip();
+ }
+ } catch (IOException x) {
+ x.printStackTrace();
+ } finally {
+ chSrc.close();
+ chDst.close();
+ }
+ }
+
+ private static void fchCopy(Path src, Path dst) throws IOException
+ {
+ Set<OpenOption> read = new HashSet<>();
+ read.add(READ);
+ Set<OpenOption> openwrite = new HashSet<>();
+ openwrite.add(CREATE_NEW);
+ openwrite.add(WRITE);
+
+ FileChannel srcFc = src.getFileSystem()
+ .provider()
+ .newFileChannel(src, read);
+ FileChannel dstFc = dst.getFileSystem()
+ .provider()
+ .newFileChannel(dst, openwrite);
+
+ try {
+ ByteBuffer bb = ByteBuffer.allocate(8192);
+ while (srcFc.read(bb) >= 0) {
+ bb.flip();
+ dstFc.write(bb);
+ bb.clear();
+ }
+ } finally {
+ srcFc.close();
+ dstFc.close();
+ }
+ }
+
+ private static void chCopy(Path src, Path dst) throws IOException
+ {
+ Set<OpenOption> read = new HashSet<>();
+ read.add(READ);
+ Set<OpenOption> openwrite = new HashSet<>();
+ openwrite.add(CREATE_NEW);
+ openwrite.add(WRITE);
+
+ SeekableByteChannel srcCh = src.newByteChannel(read);
+ SeekableByteChannel dstCh = dst.newByteChannel(openwrite);
+
+ try {
+ ByteBuffer bb = ByteBuffer.allocate(8192);
+ while (srcCh.read(bb) >= 0) {
+ bb.flip();
+ dstCh.write(bb);
+ bb.clear();
+ }
+ } finally {
+ srcCh.close();
+ dstCh.close();
+ }
+ }
+
+ private static void streamCopy(Path src, Path dst) throws IOException
+ {
+ InputStream isSrc = src.newInputStream();
+ OutputStream osDst = dst.newOutputStream();
+ byte[] buf = new byte[8192];
+ try {
+ int n = 0;
+ while ((n = isSrc.read(buf)) != -1) {
+ osDst.write(buf, 0, n);
+ }
+ } finally {
+ isSrc.close();
+ osDst.close();
+ }
+ }
+}