1.1 --- a/emul/mini/src/main/java/java/util/zip/ZipEntry.java Tue Feb 26 14:55:55 2013 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,331 +0,0 @@
1.4 -/*
1.5 - * Copyright (c) 1995, 2011, Oracle and/or its affiliates. All rights reserved.
1.6 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 - *
1.8 - * This code is free software; you can redistribute it and/or modify it
1.9 - * under the terms of the GNU General Public License version 2 only, as
1.10 - * published by the Free Software Foundation. Oracle designates this
1.11 - * particular file as subject to the "Classpath" exception as provided
1.12 - * by Oracle in the LICENSE file that accompanied this code.
1.13 - *
1.14 - * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 - * version 2 for more details (a copy is included in the LICENSE file that
1.18 - * accompanied this code).
1.19 - *
1.20 - * You should have received a copy of the GNU General Public License version
1.21 - * 2 along with this work; if not, write to the Free Software Foundation,
1.22 - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 - *
1.24 - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 - * or visit www.oracle.com if you need additional information or have any
1.26 - * questions.
1.27 - */
1.28 -
1.29 -package java.util.zip;
1.30 -
1.31 -/**
1.32 - * This class is used to represent a ZIP file entry.
1.33 - *
1.34 - * @author David Connelly
1.35 - */
1.36 -public
1.37 -class ZipEntry implements ZipConstants, Cloneable {
1.38 - String name; // entry name
1.39 - long time = -1; // modification time (in DOS time)
1.40 - long crc = -1; // crc-32 of entry data
1.41 - long size = -1; // uncompressed size of entry data
1.42 - long csize = -1; // compressed size of entry data
1.43 - int method = -1; // compression method
1.44 - int flag = 0; // general purpose flag
1.45 - byte[] extra; // optional extra field data for entry
1.46 - String comment; // optional comment string for entry
1.47 -
1.48 - /**
1.49 - * Compression method for uncompressed entries.
1.50 - */
1.51 - public static final int STORED = 0;
1.52 -
1.53 - /**
1.54 - * Compression method for compressed (deflated) entries.
1.55 - */
1.56 - public static final int DEFLATED = 8;
1.57 -
1.58 - /**
1.59 - * Creates a new zip entry with the specified name.
1.60 - *
1.61 - * @param name the entry name
1.62 - * @exception NullPointerException if the entry name is null
1.63 - * @exception IllegalArgumentException if the entry name is longer than
1.64 - * 0xFFFF bytes
1.65 - */
1.66 - public ZipEntry(String name) {
1.67 - if (name == null) {
1.68 - throw new NullPointerException();
1.69 - }
1.70 - if (name.length() > 0xFFFF) {
1.71 - throw new IllegalArgumentException("entry name too long");
1.72 - }
1.73 - this.name = name;
1.74 - }
1.75 -
1.76 - /**
1.77 - * Creates a new zip entry with fields taken from the specified
1.78 - * zip entry.
1.79 - * @param e a zip Entry object
1.80 - */
1.81 - public ZipEntry(ZipEntry e) {
1.82 - name = e.name;
1.83 - time = e.time;
1.84 - crc = e.crc;
1.85 - size = e.size;
1.86 - csize = e.csize;
1.87 - method = e.method;
1.88 - flag = e.flag;
1.89 - extra = e.extra;
1.90 - comment = e.comment;
1.91 - }
1.92 -
1.93 - /*
1.94 - * Creates a new un-initialized zip entry
1.95 - */
1.96 - ZipEntry() {}
1.97 -
1.98 - /**
1.99 - * Returns the name of the entry.
1.100 - * @return the name of the entry
1.101 - */
1.102 - public String getName() {
1.103 - return name;
1.104 - }
1.105 -
1.106 - /**
1.107 - * Sets the modification time of the entry.
1.108 - * @param time the entry modification time in number of milliseconds
1.109 - * since the epoch
1.110 - * @see #getTime()
1.111 - */
1.112 - public void setTime(long time) {
1.113 - this.time = javaToDosTime(time);
1.114 - }
1.115 -
1.116 - /**
1.117 - * Returns the modification time of the entry, or -1 if not specified.
1.118 - * @return the modification time of the entry, or -1 if not specified
1.119 - * @see #setTime(long)
1.120 - */
1.121 - public long getTime() {
1.122 - return time != -1 ? dosToJavaTime(time) : -1;
1.123 - }
1.124 -
1.125 - /**
1.126 - * Sets the uncompressed size of the entry data.
1.127 - * @param size the uncompressed size in bytes
1.128 - * @exception IllegalArgumentException if the specified size is less
1.129 - * than 0, is greater than 0xFFFFFFFF when
1.130 - * <a href="package-summary.html#zip64">ZIP64 format</a> is not supported,
1.131 - * or is less than 0 when ZIP64 is supported
1.132 - * @see #getSize()
1.133 - */
1.134 - public void setSize(long size) {
1.135 - if (size < 0) {
1.136 - throw new IllegalArgumentException("invalid entry size");
1.137 - }
1.138 - this.size = size;
1.139 - }
1.140 -
1.141 - /**
1.142 - * Returns the uncompressed size of the entry data, or -1 if not known.
1.143 - * @return the uncompressed size of the entry data, or -1 if not known
1.144 - * @see #setSize(long)
1.145 - */
1.146 - public long getSize() {
1.147 - return size;
1.148 - }
1.149 -
1.150 - /**
1.151 - * Returns the size of the compressed entry data, or -1 if not known.
1.152 - * In the case of a stored entry, the compressed size will be the same
1.153 - * as the uncompressed size of the entry.
1.154 - * @return the size of the compressed entry data, or -1 if not known
1.155 - * @see #setCompressedSize(long)
1.156 - */
1.157 - public long getCompressedSize() {
1.158 - return csize;
1.159 - }
1.160 -
1.161 - /**
1.162 - * Sets the size of the compressed entry data.
1.163 - * @param csize the compressed size to set to
1.164 - * @see #getCompressedSize()
1.165 - */
1.166 - public void setCompressedSize(long csize) {
1.167 - this.csize = csize;
1.168 - }
1.169 -
1.170 - /**
1.171 - * Sets the CRC-32 checksum of the uncompressed entry data.
1.172 - * @param crc the CRC-32 value
1.173 - * @exception IllegalArgumentException if the specified CRC-32 value is
1.174 - * less than 0 or greater than 0xFFFFFFFF
1.175 - * @see #getCrc()
1.176 - */
1.177 - public void setCrc(long crc) {
1.178 - if (crc < 0 || crc > 0xFFFFFFFFL) {
1.179 - throw new IllegalArgumentException("invalid entry crc-32");
1.180 - }
1.181 - this.crc = crc;
1.182 - }
1.183 -
1.184 - /**
1.185 - * Returns the CRC-32 checksum of the uncompressed entry data, or -1 if
1.186 - * not known.
1.187 - * @return the CRC-32 checksum of the uncompressed entry data, or -1 if
1.188 - * not known
1.189 - * @see #setCrc(long)
1.190 - */
1.191 - public long getCrc() {
1.192 - return crc;
1.193 - }
1.194 -
1.195 - /**
1.196 - * Sets the compression method for the entry.
1.197 - * @param method the compression method, either STORED or DEFLATED
1.198 - * @exception IllegalArgumentException if the specified compression
1.199 - * method is invalid
1.200 - * @see #getMethod()
1.201 - */
1.202 - public void setMethod(int method) {
1.203 - if (method != STORED && method != DEFLATED) {
1.204 - throw new IllegalArgumentException("invalid compression method");
1.205 - }
1.206 - this.method = method;
1.207 - }
1.208 -
1.209 - /**
1.210 - * Returns the compression method of the entry, or -1 if not specified.
1.211 - * @return the compression method of the entry, or -1 if not specified
1.212 - * @see #setMethod(int)
1.213 - */
1.214 - public int getMethod() {
1.215 - return method;
1.216 - }
1.217 -
1.218 - /**
1.219 - * Sets the optional extra field data for the entry.
1.220 - * @param extra the extra field data bytes
1.221 - * @exception IllegalArgumentException if the length of the specified
1.222 - * extra field data is greater than 0xFFFF bytes
1.223 - * @see #getExtra()
1.224 - */
1.225 - public void setExtra(byte[] extra) {
1.226 - if (extra != null && extra.length > 0xFFFF) {
1.227 - throw new IllegalArgumentException("invalid extra field length");
1.228 - }
1.229 - this.extra = extra;
1.230 - }
1.231 -
1.232 - /**
1.233 - * Returns the extra field data for the entry, or null if none.
1.234 - * @return the extra field data for the entry, or null if none
1.235 - * @see #setExtra(byte[])
1.236 - */
1.237 - public byte[] getExtra() {
1.238 - return extra;
1.239 - }
1.240 -
1.241 - /**
1.242 - * Sets the optional comment string for the entry.
1.243 - *
1.244 - * <p>ZIP entry comments have maximum length of 0xffff. If the length of the
1.245 - * specified comment string is greater than 0xFFFF bytes after encoding, only
1.246 - * the first 0xFFFF bytes are output to the ZIP file entry.
1.247 - *
1.248 - * @param comment the comment string
1.249 - *
1.250 - * @see #getComment()
1.251 - */
1.252 - public void setComment(String comment) {
1.253 - this.comment = comment;
1.254 - }
1.255 -
1.256 - /**
1.257 - * Returns the comment string for the entry, or null if none.
1.258 - * @return the comment string for the entry, or null if none
1.259 - * @see #setComment(String)
1.260 - */
1.261 - public String getComment() {
1.262 - return comment;
1.263 - }
1.264 -
1.265 - /**
1.266 - * Returns true if this is a directory entry. A directory entry is
1.267 - * defined to be one whose name ends with a '/'.
1.268 - * @return true if this is a directory entry
1.269 - */
1.270 - public boolean isDirectory() {
1.271 - return name.endsWith("/");
1.272 - }
1.273 -
1.274 - /**
1.275 - * Returns a string representation of the ZIP entry.
1.276 - */
1.277 - public String toString() {
1.278 - return getName();
1.279 - }
1.280 -
1.281 - /*
1.282 - * Converts DOS time to Java time (number of milliseconds since epoch).
1.283 - */
1.284 - private static long dosToJavaTime(long dtime) {
1.285 - return dtime;
1.286 - /* XXX:
1.287 - Date d = new Date((int)(((dtime >> 25) & 0x7f) + 80),
1.288 - (int)(((dtime >> 21) & 0x0f) - 1),
1.289 - (int)((dtime >> 16) & 0x1f),
1.290 - (int)((dtime >> 11) & 0x1f),
1.291 - (int)((dtime >> 5) & 0x3f),
1.292 - (int)((dtime << 1) & 0x3e));
1.293 - return d.getTime();
1.294 - */
1.295 - }
1.296 -
1.297 - /*
1.298 - * Converts Java time to DOS time.
1.299 - */
1.300 - private static long javaToDosTime(long time) {
1.301 - return time;
1.302 - /* XXX:
1.303 - Date d = new Date(time);
1.304 - int year = d.getYear() + 1900;
1.305 - if (year < 1980) {
1.306 - return (1 << 21) | (1 << 16);
1.307 - }
1.308 - return (year - 1980) << 25 | (d.getMonth() + 1) << 21 |
1.309 - d.getDate() << 16 | d.getHours() << 11 | d.getMinutes() << 5 |
1.310 - d.getSeconds() >> 1;
1.311 - */
1.312 - }
1.313 -
1.314 - /**
1.315 - * Returns the hash code value for this entry.
1.316 - */
1.317 - public int hashCode() {
1.318 - return name.hashCode();
1.319 - }
1.320 -
1.321 - /**
1.322 - * Returns a copy of this entry.
1.323 - */
1.324 - public Object clone() {
1.325 - try {
1.326 - ZipEntry e = (ZipEntry)super.clone();
1.327 - e.extra = (extra == null) ? null : extra.clone();
1.328 - return e;
1.329 - } catch (CloneNotSupportedException e) {
1.330 - // This should never happen, since we are Cloneable
1.331 - throw new IllegalStateException();
1.332 - }
1.333 - }
1.334 -}