--- a/jdk/src/share/demo/nio/zipfs/src/com/sun/nio/zipfs/ZipUtils.java Tue Apr 29 15:44:14 2014 -0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,320 +0,0 @@
-/*
- * Copyright (c) 2009, 2011, 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.IOException;
-import java.io.OutputStream;
-import java.util.Arrays;
-import java.util.Date;
-import java.util.regex.PatternSyntaxException;
-import java.util.concurrent.TimeUnit;
-
-/**
- *
- * @author Xueming Shen
- */
-
-class ZipUtils {
-
- /*
- * Writes a 16-bit short to the output stream in little-endian byte order.
- */
- public static void writeShort(OutputStream os, int v) throws IOException {
- os.write(v & 0xff);
- os.write((v >>> 8) & 0xff);
- }
-
- /*
- * Writes a 32-bit int to the output stream in little-endian byte order.
- */
- public static void writeInt(OutputStream os, long v) throws IOException {
- os.write((int)(v & 0xff));
- os.write((int)((v >>> 8) & 0xff));
- os.write((int)((v >>> 16) & 0xff));
- os.write((int)((v >>> 24) & 0xff));
- }
-
- /*
- * Writes a 64-bit int to the output stream in little-endian byte order.
- */
- public static void writeLong(OutputStream os, long v) throws IOException {
- os.write((int)(v & 0xff));
- os.write((int)((v >>> 8) & 0xff));
- os.write((int)((v >>> 16) & 0xff));
- os.write((int)((v >>> 24) & 0xff));
- os.write((int)((v >>> 32) & 0xff));
- os.write((int)((v >>> 40) & 0xff));
- os.write((int)((v >>> 48) & 0xff));
- os.write((int)((v >>> 56) & 0xff));
- }
-
- /*
- * Writes an array of bytes to the output stream.
- */
- public static void writeBytes(OutputStream os, byte[] b)
- throws IOException
- {
- os.write(b, 0, b.length);
- }
-
- /*
- * Writes an array of bytes to the output stream.
- */
- public static void writeBytes(OutputStream os, byte[] b, int off, int len)
- throws IOException
- {
- os.write(b, off, len);
- }
-
- /*
- * Append a slash at the end, if it does not have one yet
- */
- public static byte[] toDirectoryPath(byte[] dir) {
- if (dir.length != 0 && dir[dir.length - 1] != '/') {
- dir = Arrays.copyOf(dir, dir.length + 1);
- dir[dir.length - 1] = '/';
- }
- return dir;
- }
-
- /*
- * Converts DOS time to Java time (number of milliseconds since epoch).
- */
- public static long dosToJavaTime(long dtime) {
- Date d = new Date((int)(((dtime >> 25) & 0x7f) + 80),
- (int)(((dtime >> 21) & 0x0f) - 1),
- (int)((dtime >> 16) & 0x1f),
- (int)((dtime >> 11) & 0x1f),
- (int)((dtime >> 5) & 0x3f),
- (int)((dtime << 1) & 0x3e));
- return d.getTime();
- }
-
- /*
- * Converts Java time to DOS time.
- */
- public static long javaToDosTime(long time) {
- Date d = new Date(time);
- int year = d.getYear() + 1900;
- if (year < 1980) {
- return (1 << 21) | (1 << 16);
- }
- return (year - 1980) << 25 | (d.getMonth() + 1) << 21 |
- d.getDate() << 16 | d.getHours() << 11 | d.getMinutes() << 5 |
- d.getSeconds() >> 1;
- }
-
-
- // used to adjust values between Windows and java epoch
- private static final long WINDOWS_EPOCH_IN_MICROSECONDS = -11644473600000000L;
- public static final long winToJavaTime(long wtime) {
- return TimeUnit.MILLISECONDS.convert(
- wtime / 10 + WINDOWS_EPOCH_IN_MICROSECONDS, TimeUnit.MICROSECONDS);
- }
-
- public static final long javaToWinTime(long time) {
- return (TimeUnit.MICROSECONDS.convert(time, TimeUnit.MILLISECONDS)
- - WINDOWS_EPOCH_IN_MICROSECONDS) * 10;
- }
-
- public static final long unixToJavaTime(long utime) {
- return TimeUnit.MILLISECONDS.convert(utime, TimeUnit.SECONDS);
- }
-
- public static final long javaToUnixTime(long time) {
- return TimeUnit.SECONDS.convert(time, TimeUnit.MILLISECONDS);
- }
-
- private static final String regexMetaChars = ".^$+{[]|()";
- private static final String globMetaChars = "\\*?[{";
- private static boolean isRegexMeta(char c) {
- return regexMetaChars.indexOf(c) != -1;
- }
- private static boolean isGlobMeta(char c) {
- return globMetaChars.indexOf(c) != -1;
- }
- private static char EOL = 0; //TBD
- private static char next(String glob, int i) {
- if (i < glob.length()) {
- return glob.charAt(i);
- }
- return EOL;
- }
-
- /*
- * Creates a regex pattern from the given glob expression.
- *
- * @throws PatternSyntaxException
- */
- public static String toRegexPattern(String globPattern) {
- boolean inGroup = false;
- StringBuilder regex = new StringBuilder("^");
-
- int i = 0;
- while (i < globPattern.length()) {
- char c = globPattern.charAt(i++);
- switch (c) {
- case '\\':
- // escape special characters
- if (i == globPattern.length()) {
- throw new PatternSyntaxException("No character to escape",
- globPattern, i - 1);
- }
- char next = globPattern.charAt(i++);
- if (isGlobMeta(next) || isRegexMeta(next)) {
- regex.append('\\');
- }
- regex.append(next);
- break;
- case '/':
- regex.append(c);
- break;
- case '[':
- // don't match name separator in class
- regex.append("[[^/]&&[");
- if (next(globPattern, i) == '^') {
- // escape the regex negation char if it appears
- regex.append("\\^");
- i++;
- } else {
- // negation
- if (next(globPattern, i) == '!') {
- regex.append('^');
- i++;
- }
- // hyphen allowed at start
- if (next(globPattern, i) == '-') {
- regex.append('-');
- i++;
- }
- }
- boolean hasRangeStart = false;
- char last = 0;
- while (i < globPattern.length()) {
- c = globPattern.charAt(i++);
- if (c == ']') {
- break;
- }
- if (c == '/') {
- throw new PatternSyntaxException("Explicit 'name separator' in class",
- globPattern, i - 1);
- }
- // TBD: how to specify ']' in a class?
- if (c == '\\' || c == '[' ||
- c == '&' && next(globPattern, i) == '&') {
- // escape '\', '[' or "&&" for regex class
- regex.append('\\');
- }
- regex.append(c);
-
- if (c == '-') {
- if (!hasRangeStart) {
- throw new PatternSyntaxException("Invalid range",
- globPattern, i - 1);
- }
- if ((c = next(globPattern, i++)) == EOL || c == ']') {
- break;
- }
- if (c < last) {
- throw new PatternSyntaxException("Invalid range",
- globPattern, i - 3);
- }
- regex.append(c);
- hasRangeStart = false;
- } else {
- hasRangeStart = true;
- last = c;
- }
- }
- if (c != ']') {
- throw new PatternSyntaxException("Missing ']", globPattern, i - 1);
- }
- regex.append("]]");
- break;
- case '{':
- if (inGroup) {
- throw new PatternSyntaxException("Cannot nest groups",
- globPattern, i - 1);
- }
- regex.append("(?:(?:");
- inGroup = true;
- break;
- case '}':
- if (inGroup) {
- regex.append("))");
- inGroup = false;
- } else {
- regex.append('}');
- }
- break;
- case ',':
- if (inGroup) {
- regex.append(")|(?:");
- } else {
- regex.append(',');
- }
- break;
- case '*':
- if (next(globPattern, i) == '*') {
- // crosses directory boundaries
- regex.append(".*");
- i++;
- } else {
- // within directory boundary
- regex.append("[^/]*");
- }
- break;
- case '?':
- regex.append("[^/]");
- break;
- default:
- if (isRegexMeta(c)) {
- regex.append('\\');
- }
- regex.append(c);
- }
- }
- if (inGroup) {
- throw new PatternSyntaxException("Missing '}", globPattern, i - 1);
- }
- return regex.append('$').toString();
- }
-}