/**
* Writes the "End of central dir record".
* @throws IOException on error
*/
protected void writeCentralDirectoryEnd() //throws IOException
{
writeOut(EOCD_SIG);
// disk numbers
writeOut(ZERO);
writeOut(ZERO);
// number of entries
byte[] num = ZipShort.getBytes(entries.size());
writeOut(num);
writeOut(num);
// length and location of CD
writeOut(ZipLong.getBytes(cdLength));
writeOut(ZipLong.getBytes(cdOffset));
// ZIP file comment
java.nio.ByteBuffer data = this.zipEncoding.encode(comment);
writeOut(ZipShort.getBytes(data.limit()));
writeOut((byte[])data.array(), data.arrayOffset(), data.limit());
}
/**
* Updates this {@code MessageDigestSpi} using the given {@code input}.
*
* @param input
* the {@code ByteBuffer}.
*/
protected internal virtual void engineUpdate(java.nio.ByteBuffer input)
{
if (!input.hasRemaining())
{
return;
}
byte[] tmp;
if (input.hasArray())
{
tmp = (byte[])input.array();
int offset = input.arrayOffset();
int position = input.position();
int limit = input.limit();
engineUpdate(tmp, offset + position, limit - position);
input.position(limit);
}
else
{
tmp = new byte[input.limit() - input.position()];
input.get(tmp);
engineUpdate(tmp, 0, tmp.Length);
}
}
/**
* 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;
}
/*
* Reads at most {@code length} characters from this reader and stores them
* at position {@code offset} in the character array {@code buf}. Returns
* the number of characters actually read or -1 if the end of the reader has
* been reached. The bytes are either obtained from converting bytes in this
* reader's buffer or by first filling the buffer from the source
* InputStream and then reading from the buffer.
*
* @param buf
* the array to store the characters read.
* @param offset
* the initial position in {@code buf} to store the characters
* read from this reader.
* @param length
* the maximum number of characters to read.
* @return the number of characters read or -1 if the end of the reader has
* been reached.
* @throws IndexOutOfBoundsException
* if {@code offset < 0} or {@code length < 0}, or if
* {@code offset + length} is greater than the length of
* {@code buf}.
* @throws IOException
* if this reader is closed or some other I/O error occurs.
*/
public override int read(char[] buf, int offset, int length)
{// throws IOException {
lock (lockJ)
{
if (!isOpen())
{
// luni.BA=InputStreamReader is closed.
throw new IOException("InputStreamReader is closed."); //$NON-NLS-1$
}
if (offset < 0 || offset > buf.Length - length || length < 0)
{
throw new java.lang.IndexOutOfBoundsException();
}
if (length == 0)
{
return(0);
}
java.nio.CharBuffer outJ = java.nio.CharBuffer.wrap(buf, offset, length);
java.nio.charset.CoderResult result = java.nio.charset.CoderResult.UNDERFLOW;
// bytes.remaining() indicates number of bytes in buffer
// when 1-st time entered, it'll be equal to zero
bool needInput = !bytes.hasRemaining();
while (outJ.hasRemaining())
{
// fill the buffer if needed
if (needInput)
{
try
{
if ((inJ.available() == 0) &&
(outJ.position() > offset))
{
// we could return the result without blocking read
break;
}
}
catch (IOException e)
{
// available didn't work so just try the read
}
int to_read = bytes.capacity() - bytes.limit();
int off = bytes.arrayOffset() + bytes.limit();
int was_red = inJ.read((byte[])bytes.array(), off, to_read);
if (was_red == -1)
{
endOfInput = true;
break;
}
else if (was_red == 0)
{
break;
}
bytes.limit(bytes.limit() + was_red);
needInput = false;
}
// decode bytes
result = decoder.decode(bytes, outJ, false);
if (result.isUnderflow())
{
// compact the buffer if no space left
if (bytes.limit() == bytes.capacity())
{
bytes.compact();
bytes.limit(bytes.position());
bytes.position(0);
}
needInput = true;
}
else
{
break;
}
}
if (result == java.nio.charset.CoderResult.UNDERFLOW && endOfInput)
{
result = decoder.decode(bytes, outJ, true);
decoder.flush(outJ);
decoder.reset();
}
if (result.isMalformed())
{
throw new java.nio.charset.MalformedInputException(result.length());
}
else if (result.isUnmappable())
{
throw new java.nio.charset.UnmappableCharacterException(result.length());
}
return(outJ.position() - offset == 0 ? -1 : outJ.position() - offset);
}
}
