/*
* Internal constructor. Creates a new ZipEntry by reading the
* Central Directory Entry from "in", which must be positioned at
* the CDE signature.
*
* On exit, "in" will be positioned at the start of the next entry.
*/
internal ZipEntry(LittleEndianReader ler, java.io.InputStream inJ)
//throws IOException
{
/*
* We're seeing performance issues when we call readShortLE and
* readIntLE, so we're going to read the entire header at once
* and then parse the results out without using any function calls.
* Uglier, but should be much faster.
*
* Note that some lines look a bit different, because the corresponding
* fields or locals are long and so we need to do & 0xffffffffl to avoid
* problems induced by sign extension.
*/
byte[] hdrBuf = ler.hdrBuf;
myReadFully(inJ, hdrBuf);
long sig = (hdrBuf[0] & 0xff) | ((hdrBuf[1] & 0xff) << 8) |
((hdrBuf[2] & 0xff) << 16) | ((hdrBuf[3] << 24) & 0xffffffffL);
if (sig != ZipFile.CENSIG)
{
throw new java.util.zip.ZipException(); //Messages.getString("archive.3A"));
}
compressionMethod = (hdrBuf[10] & 0xff) | ((hdrBuf[11] & 0xff) << 8);
time = (hdrBuf[12] & 0xff) | ((hdrBuf[13] & 0xff) << 8);
modDate = (hdrBuf[14] & 0xff) | ((hdrBuf[15] & 0xff) << 8);
crc = (hdrBuf[16] & 0xff) | ((hdrBuf[17] & 0xff) << 8)
| ((hdrBuf[18] & 0xff) << 16)
| ((hdrBuf[19] << 24) & 0xffffffffL);
compressedSize = (hdrBuf[20] & 0xff) | ((hdrBuf[21] & 0xff) << 8)
| ((hdrBuf[22] & 0xff) << 16)
| ((hdrBuf[23] << 24) & 0xffffffffL);
size = (hdrBuf[24] & 0xff) | ((hdrBuf[25] & 0xff) << 8)
| ((hdrBuf[26] & 0xff) << 16)
| ((hdrBuf[27] << 24) & 0xffffffffL);
nameLen = (hdrBuf[28] & 0xff) | ((hdrBuf[29] & 0xff) << 8);
int extraLen = (hdrBuf[30] & 0xff) | ((hdrBuf[31] & 0xff) << 8);
int commentLen = (hdrBuf[32] & 0xff) | ((hdrBuf[33] & 0xff) << 8);
mLocalHeaderRelOffset = (hdrBuf[42] & 0xff) | ((hdrBuf[43] & 0xff) << 8)
| ((hdrBuf[44] & 0xff) << 16)
| ((hdrBuf[45] << 24) & 0xffffffffL);
byte[] nameBytes = new byte[nameLen];
myReadFully(inJ, nameBytes);
byte[] commentBytes = null;
if (commentLen > 0)
{
commentBytes = new byte[commentLen];
myReadFully(inJ, commentBytes);
}
if (extraLen > 0)
{
extra = new byte[extraLen];
myReadFully(inJ, extra);
}
try {
/*
* The actual character set is "IBM Code Page 437". As of
* Sep 2006, the Zip spec (APPNOTE.TXT) supports UTF-8. When
* bit 11 of the GP flags field is set, the file name and
* comment fields are UTF-8.
*
* TODO: add correct UTF-8 support.
*/
name = System.Text.Encoding.GetEncoding("iso-8859-1").GetString(commentBytes);//new String(nameBytes, "ISO-8859-1");
if (commentBytes != null)
{
comment = System.Text.Encoding.GetEncoding("iso-8859-1").GetString(commentBytes);// new String(commentBytes, "ISO-8859-1");
}
else
{
comment = null;
}
} catch (java.io.UnsupportedEncodingException uee) {
throw new java.lang.InternalError(uee.getMessage());
}
}
//throws IOException
/*
* Internal constructor. Creates a new ZipEntry by reading the
* Central Directory Entry from "in", which must be positioned at
* the CDE signature.
*
* On exit, "in" will be positioned at the start of the next entry.
*/
internal ZipEntry(LittleEndianReader ler, java.io.InputStream inJ)
{
/*
* We're seeing performance issues when we call readShortLE and
* readIntLE, so we're going to read the entire header at once
* and then parse the results out without using any function calls.
* Uglier, but should be much faster.
*
* Note that some lines look a bit different, because the corresponding
* fields or locals are long and so we need to do & 0xffffffffl to avoid
* problems induced by sign extension.
*/
byte[] hdrBuf = ler.hdrBuf;
myReadFully(inJ, hdrBuf);
long sig = (hdrBuf[0] & 0xff) | ((hdrBuf[1] & 0xff) << 8) |
((hdrBuf[2] & 0xff) << 16) | ((hdrBuf[3] << 24) & 0xffffffffL);
if (sig != ZipFile.CENSIG) {
throw new java.util.zip.ZipException();//Messages.getString("archive.3A"));
}
compressionMethod = (hdrBuf[10] & 0xff) | ((hdrBuf[11] & 0xff) << 8);
time = (hdrBuf[12] & 0xff) | ((hdrBuf[13] & 0xff) << 8);
modDate = (hdrBuf[14] & 0xff) | ((hdrBuf[15] & 0xff) << 8);
crc = (hdrBuf[16] & 0xff) | ((hdrBuf[17] & 0xff) << 8)
| ((hdrBuf[18] & 0xff) << 16)
| ((hdrBuf[19] << 24) & 0xffffffffL);
compressedSize = (hdrBuf[20] & 0xff) | ((hdrBuf[21] & 0xff) << 8)
| ((hdrBuf[22] & 0xff) << 16)
| ((hdrBuf[23] << 24) & 0xffffffffL);
size = (hdrBuf[24] & 0xff) | ((hdrBuf[25] & 0xff) << 8)
| ((hdrBuf[26] & 0xff) << 16)
| ((hdrBuf[27] << 24) & 0xffffffffL);
nameLen = (hdrBuf[28] & 0xff) | ((hdrBuf[29] & 0xff) << 8);
int extraLen = (hdrBuf[30] & 0xff) | ((hdrBuf[31] & 0xff) << 8);
int commentLen = (hdrBuf[32] & 0xff) | ((hdrBuf[33] & 0xff) << 8);
mLocalHeaderRelOffset = (hdrBuf[42] & 0xff) | ((hdrBuf[43] & 0xff) << 8)
| ((hdrBuf[44] & 0xff) << 16)
| ((hdrBuf[45] << 24) & 0xffffffffL);
byte[] nameBytes = new byte[nameLen];
myReadFully(inJ, nameBytes);
byte[] commentBytes = null;
if (commentLen > 0) {
commentBytes = new byte[commentLen];
myReadFully(inJ, commentBytes);
}
if (extraLen > 0) {
extra = new byte[extraLen];
myReadFully(inJ, extra);
}
try {
/*
* The actual character set is "IBM Code Page 437". As of
* Sep 2006, the Zip spec (APPNOTE.TXT) supports UTF-8. When
* bit 11 of the GP flags field is set, the file name and
* comment fields are UTF-8.
*
* TODO: add correct UTF-8 support.
*/
name = System.Text.Encoding.GetEncoding("iso-8859-1").GetString(commentBytes);//new String(nameBytes, "ISO-8859-1");
if (commentBytes != null) {
comment = System.Text.Encoding.GetEncoding("iso-8859-1").GetString(commentBytes);// new String(commentBytes, "ISO-8859-1");
} else {
comment = null;
}
} catch (java.io.UnsupportedEncodingException uee) {
throw new java.lang.InternalError(uee.getMessage());
}
}
