jdk/src/share/demo/nio/zipfs/src/com/sun/nio/zipfs/ZipConstants.java
changeset 23977 cb2cf6e2958a
parent 23976 16ec7c58cdea
parent 23964 65b2502dbd2d
child 23978 8c0bdeecd7c0
--- a/jdk/src/share/demo/nio/zipfs/src/com/sun/nio/zipfs/ZipConstants.java	Thu Apr 17 15:23:23 2014 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,260 +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;
-
-
-/**
- *
- * @author Xueming Shen
- */
-
-class ZipConstants {
-    /*
-     * Compression methods
-     */
-    static final int METHOD_STORED     = 0;
-    static final int METHOD_DEFLATED   = 8;
-    static final int METHOD_DEFLATED64 = 9;
-    static final int METHOD_BZIP2      = 12;
-    static final int METHOD_LZMA       = 14;
-    static final int METHOD_LZ77       = 19;
-    static final int METHOD_AES        = 99;
-
-    /*
-     * General purpose big flag
-     */
-    static final int FLAG_ENCRYPTED  = 0x01;
-    static final int FLAG_DATADESCR  = 0x08;    // crc, size and csize in dd
-    static final int FLAG_EFS        = 0x800;   // If this bit is set the filename and
-                                                // comment fields for this file must be
-                                                // encoded using UTF-8.
-    /*
-     * Header signatures
-     */
-    static long LOCSIG = 0x04034b50L;   // "PK\003\004"
-    static long EXTSIG = 0x08074b50L;   // "PK\007\008"
-    static long CENSIG = 0x02014b50L;   // "PK\001\002"
-    static long ENDSIG = 0x06054b50L;   // "PK\005\006"
-
-    /*
-     * Header sizes in bytes (including signatures)
-     */
-    static final int LOCHDR = 30;       // LOC header size
-    static final int EXTHDR = 16;       // EXT header size
-    static final int CENHDR = 46;       // CEN header size
-    static final int ENDHDR = 22;       // END header size
-
-    /*
-     * Local file (LOC) header field offsets
-     */
-    static final int LOCVER = 4;        // version needed to extract
-    static final int LOCFLG = 6;        // general purpose bit flag
-    static final int LOCHOW = 8;        // compression method
-    static final int LOCTIM = 10;       // modification time
-    static final int LOCCRC = 14;       // uncompressed file crc-32 value
-    static final int LOCSIZ = 18;       // compressed size
-    static final int LOCLEN = 22;       // uncompressed size
-    static final int LOCNAM = 26;       // filename length
-    static final int LOCEXT = 28;       // extra field length
-
-    /*
-     * Extra local (EXT) header field offsets
-     */
-    static final int EXTCRC = 4;        // uncompressed file crc-32 value
-    static final int EXTSIZ = 8;        // compressed size
-    static final int EXTLEN = 12;       // uncompressed size
-
-    /*
-     * Central directory (CEN) header field offsets
-     */
-    static final int CENVEM = 4;        // version made by
-    static final int CENVER = 6;        // version needed to extract
-    static final int CENFLG = 8;        // encrypt, decrypt flags
-    static final int CENHOW = 10;       // compression method
-    static final int CENTIM = 12;       // modification time
-    static final int CENCRC = 16;       // uncompressed file crc-32 value
-    static final int CENSIZ = 20;       // compressed size
-    static final int CENLEN = 24;       // uncompressed size
-    static final int CENNAM = 28;       // filename length
-    static final int CENEXT = 30;       // extra field length
-    static final int CENCOM = 32;       // comment length
-    static final int CENDSK = 34;       // disk number start
-    static final int CENATT = 36;       // internal file attributes
-    static final int CENATX = 38;       // external file attributes
-    static final int CENOFF = 42;       // LOC header offset
-
-    /*
-     * End of central directory (END) header field offsets
-     */
-    static final int ENDSUB = 8;        // number of entries on this disk
-    static final int ENDTOT = 10;       // total number of entries
-    static final int ENDSIZ = 12;       // central directory size in bytes
-    static final int ENDOFF = 16;       // offset of first CEN header
-    static final int ENDCOM = 20;       // zip file comment length
-
-    /*
-     * ZIP64 constants
-     */
-    static final long ZIP64_ENDSIG = 0x06064b50L;  // "PK\006\006"
-    static final long ZIP64_LOCSIG = 0x07064b50L;  // "PK\006\007"
-    static final int  ZIP64_ENDHDR = 56;           // ZIP64 end header size
-    static final int  ZIP64_LOCHDR = 20;           // ZIP64 end loc header size
-    static final int  ZIP64_EXTHDR = 24;           // EXT header size
-    static final int  ZIP64_EXTID  = 0x0001;       // Extra field Zip64 header ID
-
-    static final int  ZIP64_MINVAL32 = 0xFFFF;
-    static final long ZIP64_MINVAL = 0xFFFFFFFFL;
-
-    /*
-     * Zip64 End of central directory (END) header field offsets
-     */
-    static final int  ZIP64_ENDLEN = 4;       // size of zip64 end of central dir
-    static final int  ZIP64_ENDVEM = 12;      // version made by
-    static final int  ZIP64_ENDVER = 14;      // version needed to extract
-    static final int  ZIP64_ENDNMD = 16;      // number of this disk
-    static final int  ZIP64_ENDDSK = 20;      // disk number of start
-    static final int  ZIP64_ENDTOD = 24;      // total number of entries on this disk
-    static final int  ZIP64_ENDTOT = 32;      // total number of entries
-    static final int  ZIP64_ENDSIZ = 40;      // central directory size in bytes
-    static final int  ZIP64_ENDOFF = 48;      // offset of first CEN header
-    static final int  ZIP64_ENDEXT = 56;      // zip64 extensible data sector
-
-    /*
-     * Zip64 End of central directory locator field offsets
-     */
-    static final int  ZIP64_LOCDSK = 4;       // disk number start
-    static final int  ZIP64_LOCOFF = 8;       // offset of zip64 end
-    static final int  ZIP64_LOCTOT = 16;      // total number of disks
-
-    /*
-     * Zip64 Extra local (EXT) header field offsets
-     */
-    static final int  ZIP64_EXTCRC = 4;       // uncompressed file crc-32 value
-    static final int  ZIP64_EXTSIZ = 8;       // compressed size, 8-byte
-    static final int  ZIP64_EXTLEN = 16;      // uncompressed size, 8-byte
-
-    /*
-     * Extra field header ID
-     */
-    static final int  EXTID_ZIP64 = 0x0001;      // ZIP64
-    static final int  EXTID_NTFS  = 0x000a;      // NTFS
-    static final int  EXTID_UNIX  = 0x000d;      // UNIX
-    static final int  EXTID_EFS   = 0x0017;      // Strong Encryption
-    static final int  EXTID_EXTT  = 0x5455;      // Info-ZIP Extended Timestamp
-
-    /*
-     * fields access methods
-     */
-    ///////////////////////////////////////////////////////
-    static final int CH(byte[] b, int n) {
-        return Byte.toUnsignedInt(b[n]);
-    }
-
-    static final int SH(byte[] b, int n) {
-        return Byte.toUnsignedInt(b[n]) | (Byte.toUnsignedInt(b[n + 1]) << 8);
-    }
-
-    static final long LG(byte[] b, int n) {
-        return ((SH(b, n)) | (SH(b, n + 2) << 16)) & 0xffffffffL;
-    }
-
-    static final long LL(byte[] b, int n) {
-        return (LG(b, n)) | (LG(b, n + 4) << 32);
-    }
-
-    static final long GETSIG(byte[] b) {
-        return LG(b, 0);
-    }
-
-    // local file (LOC) header fields
-    static final long LOCSIG(byte[] b) { return LG(b, 0); } // signature
-    static final int  LOCVER(byte[] b) { return SH(b, 4); } // version needed to extract
-    static final int  LOCFLG(byte[] b) { return SH(b, 6); } // general purpose bit flags
-    static final int  LOCHOW(byte[] b) { return SH(b, 8); } // compression method
-    static final long LOCTIM(byte[] b) { return LG(b, 10);} // modification time
-    static final long LOCCRC(byte[] b) { return LG(b, 14);} // crc of uncompressed data
-    static final long LOCSIZ(byte[] b) { return LG(b, 18);} // compressed data size
-    static final long LOCLEN(byte[] b) { return LG(b, 22);} // uncompressed data size
-    static final int  LOCNAM(byte[] b) { return SH(b, 26);} // filename length
-    static final int  LOCEXT(byte[] b) { return SH(b, 28);} // extra field length
-
-    // extra local (EXT) header fields
-    static final long EXTCRC(byte[] b) { return LG(b, 4);}  // crc of uncompressed data
-    static final long EXTSIZ(byte[] b) { return LG(b, 8);}  // compressed size
-    static final long EXTLEN(byte[] b) { return LG(b, 12);} // uncompressed size
-
-    // end of central directory header (END) fields
-    static final int  ENDSUB(byte[] b) { return SH(b, 8); }  // number of entries on this disk
-    static final int  ENDTOT(byte[] b) { return SH(b, 10);}  // total number of entries
-    static final long ENDSIZ(byte[] b) { return LG(b, 12);}  // central directory size
-    static final long ENDOFF(byte[] b) { return LG(b, 16);}  // central directory offset
-    static final int  ENDCOM(byte[] b) { return SH(b, 20);}  // size of zip file comment
-    static final int  ENDCOM(byte[] b, int off) { return SH(b, off + 20);}
-
-    // zip64 end of central directory recoder fields
-    static final long ZIP64_ENDTOD(byte[] b) { return LL(b, 24);}  // total number of entries on disk
-    static final long ZIP64_ENDTOT(byte[] b) { return LL(b, 32);}  // total number of entries
-    static final long ZIP64_ENDSIZ(byte[] b) { return LL(b, 40);}  // central directory size
-    static final long ZIP64_ENDOFF(byte[] b) { return LL(b, 48);}  // central directory offset
-    static final long ZIP64_LOCOFF(byte[] b) { return LL(b, 8);}   // zip64 end offset
-
-    // central directory header (CEN) fields
-    static final long CENSIG(byte[] b, int pos) { return LG(b, pos + 0); }
-    static final int  CENVEM(byte[] b, int pos) { return SH(b, pos + 4); }
-    static final int  CENVER(byte[] b, int pos) { return SH(b, pos + 6); }
-    static final int  CENFLG(byte[] b, int pos) { return SH(b, pos + 8); }
-    static final int  CENHOW(byte[] b, int pos) { return SH(b, pos + 10);}
-    static final long CENTIM(byte[] b, int pos) { return LG(b, pos + 12);}
-    static final long CENCRC(byte[] b, int pos) { return LG(b, pos + 16);}
-    static final long CENSIZ(byte[] b, int pos) { return LG(b, pos + 20);}
-    static final long CENLEN(byte[] b, int pos) { return LG(b, pos + 24);}
-    static final int  CENNAM(byte[] b, int pos) { return SH(b, pos + 28);}
-    static final int  CENEXT(byte[] b, int pos) { return SH(b, pos + 30);}
-    static final int  CENCOM(byte[] b, int pos) { return SH(b, pos + 32);}
-    static final int  CENDSK(byte[] b, int pos) { return SH(b, pos + 34);}
-    static final int  CENATT(byte[] b, int pos) { return SH(b, pos + 36);}
-    static final long CENATX(byte[] b, int pos) { return LG(b, pos + 38);}
-    static final long CENOFF(byte[] b, int pos) { return LG(b, pos + 42);}
-
-    /* The END header is followed by a variable length comment of size < 64k. */
-    static final long END_MAXLEN = 0xFFFF + ENDHDR;
-    static final int READBLOCKSZ = 128;
-}