/**
* Writes the central file header entry.
* @param ze the entry to write
* @throws IOException on error
*/
protected void writeCentralFileHeader(ZipArchiveEntry ze) //throws IOException
{
writeOut(CFH_SIG);
written += WORD;
// version made by
// CheckStyle:MagicNumber OFF
writeOut(ZipShort.getBytes((ze.getPlatform() << 8) | 20));
written += SHORT;
int zipMethod = ze.getMethod();
bool encodable = zipEncoding.canEncode(ze.getName());
writeVersionNeededToExtractAndGeneralPurposeBits(zipMethod,
!encodable &&
fallbackToUTF8);
written += WORD;
// compression method
writeOut(ZipShort.getBytes(zipMethod));
written += SHORT;
// last mod. time and date
writeOut(ZipUtil.toDosTime(ze.getTime()));
written += WORD;
// CRC
// compressed length
// uncompressed length
writeOut(ZipLong.getBytes(ze.getCrc()));
writeOut(ZipLong.getBytes(ze.getCompressedSize()));
writeOut(ZipLong.getBytes(ze.getSize()));
// CheckStyle:MagicNumber OFF
written += 12;
// CheckStyle:MagicNumber ON
// file name length
ZipEncoding entryEncoding;
if (!encodable && fallbackToUTF8)
{
entryEncoding = ZipEncodingHelper.UTF8_ZIP_ENCODING;
}
else
{
entryEncoding = zipEncoding;
}
java.nio.ByteBuffer name = entryEncoding.encode(ze.getName());
writeOut(ZipShort.getBytes(name.limit()));
written += SHORT;
// extra field length
byte[] extra = ze.getCentralDirectoryExtra();
writeOut(ZipShort.getBytes(extra.Length));
written += SHORT;
// file comment length
String comm = ze.getComment();
if (comm == null)
{
comm = "";
}
java.nio.ByteBuffer commentB = entryEncoding.encode(comm);
writeOut(ZipShort.getBytes(commentB.limit()));
written += SHORT;
// disk number start
writeOut(ZERO);
written += SHORT;
// internal file attributes
writeOut(ZipShort.getBytes(ze.getInternalAttributes()));
written += SHORT;
// external file attributes
writeOut(ZipLong.getBytes(ze.getExternalAttributes()));
written += WORD;
// relative offset of LFH
writeOut((byte[])offsets.get(ze));
written += WORD;
// file name
writeOut((byte[])name.array(), name.arrayOffset(), name.limit());
written += name.limit();
// extra field
writeOut(extra);
written += extra.Length;
// file comment
writeOut((byte[])commentB.array(), commentB.arrayOffset(), commentB.limit());
written += commentB.limit();
}
/**
* Writes the local file header entry
* @param ze the entry to write
* @throws IOException on error
*/
protected void writeLocalFileHeader(ZipArchiveEntry ze) //throws IOException
{
bool encodable = zipEncoding.canEncode(ze.getName());
ZipEncoding entryEncoding;
if (!encodable && fallbackToUTF8)
{
entryEncoding = ZipEncodingHelper.UTF8_ZIP_ENCODING;
}
else
{
entryEncoding = zipEncoding;
}
java.nio.ByteBuffer name = entryEncoding.encode(ze.getName());
if (createUnicodeExtraFields != UnicodeExtraFieldPolicy.NEVER)
{
if (createUnicodeExtraFields == UnicodeExtraFieldPolicy.ALWAYS ||
!encodable)
{
ze.addExtraField(new UnicodePathExtraField(ze.getName(),
(byte[])name.array(),
name.arrayOffset(),
name.limit()));
}
String comm = ze.getComment();
if (comm != null && !"".equals(comm))
{
bool commentEncodable = this.zipEncoding.canEncode(comm);
if (createUnicodeExtraFields == UnicodeExtraFieldPolicy.ALWAYS ||
!commentEncodable)
{
java.nio.ByteBuffer commentB = entryEncoding.encode(comm);
ze.addExtraField(new UnicodeCommentExtraField(comm,
(byte[])commentB.array(),
commentB.arrayOffset(),
commentB.limit())
);
}
}
}
offsets.put(ze, ZipLong.getBytes(written));
writeOut(LFH_SIG);
written += WORD;
//store method in local variable to prevent multiple method calls
int zipMethod = ze.getMethod();
writeVersionNeededToExtractAndGeneralPurposeBits(zipMethod,
!encodable &&
fallbackToUTF8);
written += WORD;
// compression method
writeOut(ZipShort.getBytes(zipMethod));
written += SHORT;
// last mod. time and date
writeOut(ZipUtil.toDosTime(ze.getTime()));
written += WORD;
// CRC
// compressed length
// uncompressed length
localDataStart = written;
if (zipMethod == DEFLATED || raf != null)
{
writeOut(LZERO);
writeOut(LZERO);
writeOut(LZERO);
}
else
{
writeOut(ZipLong.getBytes(ze.getCrc()));
writeOut(ZipLong.getBytes(ze.getSize()));
writeOut(ZipLong.getBytes(ze.getSize()));
}
// CheckStyle:MagicNumber OFF
written += 12;
// CheckStyle:MagicNumber ON
// file name length
writeOut(ZipShort.getBytes(name.limit()));
written += SHORT;
// extra field length
byte[] extra = ze.getLocalFileDataExtra();
writeOut(ZipShort.getBytes(extra.Length));
written += SHORT;
// file name
writeOut((byte[])name.array(), name.arrayOffset(), name.limit());
written += name.limit();
// extra field
writeOut(extra);
written += extra.Length;
dataStart = written;
}