--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/util/zip/ZipEntry.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,344 @@
+/*
+ * Copyright 1995-2005 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package java.util.zip;
+
+import java.util.Date;
+
+/**
+ * This class is used to represent a ZIP file entry.
+ *
+ * @author David Connelly
+ */
+public
+class ZipEntry implements ZipConstants, Cloneable {
+ String name; // entry name
+ long time = -1; // modification time (in DOS time)
+ long crc = -1; // crc-32 of entry data
+ long size = -1; // uncompressed size of entry data
+ long csize = -1; // compressed size of entry data
+ int method = -1; // compression method
+ byte[] extra; // optional extra field data for entry
+ String comment; // optional comment string for entry
+
+ /**
+ * Compression method for uncompressed entries.
+ */
+ public static final int STORED = 0;
+
+ /**
+ * Compression method for compressed (deflated) entries.
+ */
+ public static final int DEFLATED = 8;
+
+ static {
+ /* Zip library is loaded from System.initializeSystemClass */
+ initIDs();
+ }
+
+ private static native void initIDs();
+
+ /**
+ * Creates a new zip entry with the specified name.
+ *
+ * @param name the entry name
+ * @exception NullPointerException if the entry name is null
+ * @exception IllegalArgumentException if the entry name is longer than
+ * 0xFFFF bytes
+ */
+ public ZipEntry(String name) {
+ if (name == null) {
+ throw new NullPointerException();
+ }
+ if (name.length() > 0xFFFF) {
+ throw new IllegalArgumentException("entry name too long");
+ }
+ this.name = name;
+ }
+
+ /**
+ * Creates a new zip entry with fields taken from the specified
+ * zip entry.
+ * @param e a zip Entry object
+ */
+ public ZipEntry(ZipEntry e) {
+ name = e.name;
+ time = e.time;
+ crc = e.crc;
+ size = e.size;
+ csize = e.csize;
+ method = e.method;
+ extra = e.extra;
+ comment = e.comment;
+ }
+
+ /*
+ * Creates a new zip entry for the given name with fields initialized
+ * from the specified jzentry data.
+ */
+ ZipEntry(String name, long jzentry) {
+ this.name = name;
+ initFields(jzentry);
+ }
+
+ private native void initFields(long jzentry);
+
+ /*
+ * Creates a new zip entry with fields initialized from the specified
+ * jzentry data.
+ */
+ ZipEntry(long jzentry) {
+ initFields(jzentry);
+ }
+
+ /**
+ * Returns the name of the entry.
+ * @return the name of the entry
+ */
+ public String getName() {
+ return name;
+ }
+
+ /**
+ * Sets the modification time of the entry.
+ * @param time the entry modification time in number of milliseconds
+ * since the epoch
+ * @see #getTime()
+ */
+ public void setTime(long time) {
+ this.time = javaToDosTime(time);
+ }
+
+ /**
+ * Returns the modification time of the entry, or -1 if not specified.
+ * @return the modification time of the entry, or -1 if not specified
+ * @see #setTime(long)
+ */
+ public long getTime() {
+ return time != -1 ? dosToJavaTime(time) : -1;
+ }
+
+ /**
+ * Sets the uncompressed size of the entry data.
+ * @param size the uncompressed size in bytes
+ * @exception IllegalArgumentException if the specified size is less
+ * than 0 or greater than 0xFFFFFFFF bytes
+ * @see #getSize()
+ */
+ public void setSize(long size) {
+ if (size < 0 || size > 0xFFFFFFFFL) {
+ throw new IllegalArgumentException("invalid entry size");
+ }
+ this.size = size;
+ }
+
+ /**
+ * Returns the uncompressed size of the entry data, or -1 if not known.
+ * @return the uncompressed size of the entry data, or -1 if not known
+ * @see #setSize(long)
+ */
+ public long getSize() {
+ return size;
+ }
+
+ /**
+ * Returns the size of the compressed entry data, or -1 if not known.
+ * In the case of a stored entry, the compressed size will be the same
+ * as the uncompressed size of the entry.
+ * @return the size of the compressed entry data, or -1 if not known
+ * @see #setCompressedSize(long)
+ */
+ public long getCompressedSize() {
+ return csize;
+ }
+
+ /**
+ * Sets the size of the compressed entry data.
+ * @param csize the compressed size to set to
+ * @see #getCompressedSize()
+ */
+ public void setCompressedSize(long csize) {
+ this.csize = csize;
+ }
+
+ /**
+ * Sets the CRC-32 checksum of the uncompressed entry data.
+ * @param crc the CRC-32 value
+ * @exception IllegalArgumentException if the specified CRC-32 value is
+ * less than 0 or greater than 0xFFFFFFFF
+ * @see #getCrc()
+ */
+ public void setCrc(long crc) {
+ if (crc < 0 || crc > 0xFFFFFFFFL) {
+ throw new IllegalArgumentException("invalid entry crc-32");
+ }
+ this.crc = crc;
+ }
+
+ /**
+ * Returns the CRC-32 checksum of the uncompressed entry data, or -1 if
+ * not known.
+ * @return the CRC-32 checksum of the uncompressed entry data, or -1 if
+ * not known
+ * @see #setCrc(long)
+ */
+ public long getCrc() {
+ return crc;
+ }
+
+ /**
+ * Sets the compression method for the entry.
+ * @param method the compression method, either STORED or DEFLATED
+ * @exception IllegalArgumentException if the specified compression
+ * method is invalid
+ * @see #getMethod()
+ */
+ public void setMethod(int method) {
+ if (method != STORED && method != DEFLATED) {
+ throw new IllegalArgumentException("invalid compression method");
+ }
+ this.method = method;
+ }
+
+ /**
+ * Returns the compression method of the entry, or -1 if not specified.
+ * @return the compression method of the entry, or -1 if not specified
+ * @see #setMethod(int)
+ */
+ public int getMethod() {
+ return method;
+ }
+
+ /**
+ * Sets the optional extra field data for the entry.
+ * @param extra the extra field data bytes
+ * @exception IllegalArgumentException if the length of the specified
+ * extra field data is greater than 0xFFFF bytes
+ * @see #getExtra()
+ */
+ public void setExtra(byte[] extra) {
+ if (extra != null && extra.length > 0xFFFF) {
+ throw new IllegalArgumentException("invalid extra field length");
+ }
+ this.extra = extra;
+ }
+
+ /**
+ * Returns the extra field data for the entry, or null if none.
+ * @return the extra field data for the entry, or null if none
+ * @see #setExtra(byte[])
+ */
+ public byte[] getExtra() {
+ return extra;
+ }
+
+ /**
+ * Sets the optional comment string for the entry.
+ * @param comment the comment string
+ * @exception IllegalArgumentException if the length of the specified
+ * comment string is greater than 0xFFFF bytes
+ * @see #getComment()
+ */
+ public void setComment(String comment) {
+ if (comment != null && comment.length() > 0xffff/3
+ && ZipOutputStream.getUTF8Length(comment) > 0xffff) {
+ throw new IllegalArgumentException("invalid entry comment length");
+ }
+ this.comment = comment;
+ }
+
+ /**
+ * Returns the comment string for the entry, or null if none.
+ * @return the comment string for the entry, or null if none
+ * @see #setComment(String)
+ */
+ public String getComment() {
+ return comment;
+ }
+
+ /**
+ * Returns true if this is a directory entry. A directory entry is
+ * defined to be one whose name ends with a '/'.
+ * @return true if this is a directory entry
+ */
+ public boolean isDirectory() {
+ return name.endsWith("/");
+ }
+
+ /**
+ * Returns a string representation of the ZIP entry.
+ */
+ public String toString() {
+ return getName();
+ }
+
+ /*
+ * Converts DOS time to Java time (number of milliseconds since epoch).
+ */
+ private 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.
+ */
+ private 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;
+ }
+
+ /**
+ * Returns the hash code value for this entry.
+ */
+ public int hashCode() {
+ return name.hashCode();
+ }
+
+ /**
+ * Returns a copy of this entry.
+ */
+ public Object clone() {
+ try {
+ ZipEntry e = (ZipEntry)super.clone();
+ e.extra = (extra == null) ? null : extra.clone();
+ return e;
+ } catch (CloneNotSupportedException e) {
+ // This should never happen, since we are Cloneable
+ throw new InternalError();
+ }
+ }
+}