+++ /dev/null
-/* ZipOutputStream.java - Create a file in zip format
- Copyright (C) 1999, 2000 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-package java.util.zip;
-
-import java.io.*;
-
-/* Written using on-line Java Platform 1.2 API Specification
- * and JCL book.
- * Believed complete and correct.
- */
-
-public class ZipOutputStream extends DeflaterOutputStream
- implements ZipConstants
-{
- public static final int STORED = 0;
- public static final int DEFLATED = 8;
-
- public void close () throws IOException
- {
- finish ();
- out.close();
- }
-
- public void closeEntry () throws IOException
- {
- int compressed_size;
- if (current.method == STORED)
- {
- compressed_size = uncompressed_size;
- }
- else
- {
- super.finish();
- compressed_size = def.getTotalOut();
- }
- long crc = sum.getValue();
-
- bytes_written += compressed_size;
-
- if (current.getCrc() == -1 || current.getCompressedSize() == -1
- || current.getSize() == -1)
- {
- current.setCrc(crc);
- current.compressedSize = compressed_size;
- current.setSize(uncompressed_size);
- put4 (0x08074b50);
- put4 ((int) (current.getCrc()));
- put4 ((int) (current.getCompressedSize()));
- put4 ((int) (current.getSize()));
- bytes_written += 16;
- }
- else if (current.getCrc() != crc
- || current.getCompressedSize() != compressed_size
- || current.getSize() != uncompressed_size)
- throw new ZipException ("zip entry field incorrect");
-
- current.next = chain;
- chain = current;
- current = null;
- }
-
- public void write (int bval) throws IOException
- {
- if (current.method == STORED)
- {
- out.write(bval);
- }
- else
- super.write(bval);
- sum.update(bval);
- uncompressed_size += 1;
- }
-
- public void write (byte[] buf, int off, int len) throws IOException
- {
- if (current.method == STORED)
- out.write(buf, off, len);
- else
- super.write(buf, off, len);
- sum.update(buf, off, len);
- uncompressed_size += len;
- }
-
- public void finish () throws IOException
- {
- if (current != null)
- closeEntry ();
-
- // Write the central directory.
- long offset = bytes_written;
- int count = 0;
- int bytes = 0;
- while (chain != null)
- {
- bytes += write_entry (chain, false);
- ++count;
- chain = chain.next;
- }
-
- // Write the end of the central directory record.
- put4 (0x06054b50);
- // Disk number.
- put2 (0);
- // Another disk number.
- put2 (0);
- put2 (count);
- put2 (count);
- put4 (bytes);
- put4 ((int) offset);
-
- byte[] c = comment.getBytes("8859_1");
- put2 (c.length);
- out.write(c);
- }
-
- // Helper for finish and putNextEntry.
- private int write_entry (ZipEntry entry, boolean is_local)
- throws IOException
- {
- int bytes = put4 (is_local ? 0x04034b50 : 0x02014b50);
- if (! is_local)
- bytes += put_version ();
- bytes += put_version ();
-
- boolean crc_after = false;
- if (is_local
- && (entry.getCrc() == -1 || entry.getCompressedSize() == -1
- || entry.getSize() == -1))
- crc_after = true;
- // For the bits field we always indicate `normal' compression,
- // even if that isn't true.
- bytes += put2 (crc_after ? (1 << 3) : 0);
- bytes += put2 (entry.method);
-
- bytes += put2(0); // time - FIXME
- bytes += put2(0); // date - FIXME
-
- if (crc_after)
- {
- // CRC, compressedSize, and Size are always 0 in this header.
- // The actual values are given after the entry.
- bytes += put4 (0);
- bytes += put4 (0);
- bytes += put4 (0);
- }
- else
- {
- bytes += put4 ((int) (entry.getCrc()));
- bytes += put4 ((int) (entry.getCompressedSize()));
- bytes += put4 ((int) (entry.getSize()));
- }
-
- byte[] name = entry.name.getBytes("8859_1");
- bytes += put2 (name.length);
- bytes += put2 (entry.extra == null ? 0 : entry.extra.length);
-
- byte[] comment = null;
- if (! is_local)
- {
- if (entry.getComment() == null)
- bytes += put2 (0);
- else
- {
- comment = entry.getComment().getBytes("8859_1");
- bytes += put2 (comment.length);
- }
-
- // Disk number start.
- bytes += put2 (0);
- // Internal file attributes.
- bytes += put2 (0);
- // External file attributes.
- bytes += put4 (0);
- // Relative offset of local header.
- bytes += put4 ((int) entry.relativeOffset);
- }
-
- out.write (name);
- bytes += name.length;
- if (entry.extra != null)
- {
- out.write(entry.extra);
- bytes += entry.extra.length;
- }
- if (comment != null)
- {
- out.write(comment);
- bytes += comment.length;
- }
-
- bytes_written += bytes;
- return bytes;
- }
-
- public void putNextEntry (ZipEntry entry) throws IOException
- {
- if (current != null)
- closeEntry ();
-
- if (entry.method < 0 )
- entry.method = method;
- if (entry.method == STORED)
- {
- if (entry.getSize() == -1 || entry.getCrc() == -1)
- throw new ZipException ("required entry not set");
- // Just in case.
- entry.compressedSize = entry.getSize();
- }
- entry.relativeOffset = bytes_written;
- write_entry (entry, true);
- current = entry;
- int compr = (method == STORED) ? Deflater.NO_COMPRESSION : level;
- def.reset();
- def.setLevel(compr);
- sum.reset();
- uncompressed_size = 0;
- }
-
- public void setLevel (int level)
- {
- if (level != Deflater.DEFAULT_COMPRESSION
- && (level < Deflater.NO_COMPRESSION
- || level > Deflater.BEST_COMPRESSION))
- throw new IllegalArgumentException ();
- this.level = level;
- }
-
- public void setMethod (int method)
- {
- if (method != DEFLATED && method != STORED)
- throw new IllegalArgumentException ();
- this.method = method;
- }
-
- public void setComment (String comment)
- {
- if (comment.length() > 65535)
- throw new IllegalArgumentException ();
- this.comment = comment;
- }
-
- public ZipOutputStream (OutputStream out)
- {
- super (out, new Deflater (Deflater.DEFAULT_COMPRESSION, true), 8192);
- sum = new CRC32 ();
- }
-
- private int put2 (int i) throws IOException
- {
- out.write (i);
- out.write (i >> 8);
- return 2;
- }
-
- private int put4 (int i) throws IOException
- {
- out.write (i);
- out.write (i >> 8);
- out.write (i >> 16);
- out.write (i >> 24);
- return 4;
- }
-
- private int put_version () throws IOException
- {
- // FIXME: for now we assume Unix, and we ignore the version
- // number.
- return put2 (3 << 8);
- }
-
- // The entry we are currently writing, or null if we've called
- // closeEntry.
- private ZipEntry current;
- // The chain of entries which have been written to this file.
- private ZipEntry chain;
-
- private int method = DEFLATED;
- private int level = Deflater.DEFAULT_COMPRESSION;
- private String comment = "";
- private long bytes_written;
-
- private int uncompressed_size;
-
- /** The checksum object. */
- private Checksum sum;
-}
projects / msp430-gcc.git / blobdiff