/**
* Walks through all recorded entries and adds the data available
* from the local file header.
*
* <p>Also records the offsets for the data to read from the
* entries.</p>
*/
private void resolveLocalFileHeaderData(java.util.Map <ZipArchiveEntry, IAC_NameAndComment> entriesWithoutUTF8Flag)
//throws IOException
{
java.util.Enumeration <ZipArchiveEntry> e = getEntries();
while (e.hasMoreElements())
{
ZipArchiveEntry ze = e.nextElement();
IAC_OffsetEntry offsetEntry = entries.get(ze);
long offset = offsetEntry.headerOffset;
archive.seek(offset + LFH_OFFSET_FOR_FILENAME_LENGTH);
byte[] b = new byte[SHORT];
archive.readFully(b);
int fileNameLen = ZipShort.getValue(b);
archive.readFully(b);
int extraFieldLen = ZipShort.getValue(b);
int lenToSkip = fileNameLen;
while (lenToSkip > 0)
{
int skipped = archive.skipBytes(lenToSkip);
if (skipped <= 0)
{
throw new java.lang.RuntimeException("failed to skip file name in"
+ " local file header");
}
lenToSkip -= skipped;
}
byte[] localExtraData = new byte[extraFieldLen];
archive.readFully(localExtraData);
ze.setExtra(localExtraData);
/*dataOffsets.put(ze,
* new Long(offset + LFH_OFFSET_FOR_FILENAME_LENGTH
+ SHORT + SHORT + fileNameLen + extraFieldLen));
*/
offsetEntry.dataOffset = offset + LFH_OFFSET_FOR_FILENAME_LENGTH
+ SHORT + SHORT + fileNameLen + extraFieldLen;
if (entriesWithoutUTF8Flag.containsKey(ze))
{
String orig = ze.getName();
IAC_NameAndComment nc = (IAC_NameAndComment)entriesWithoutUTF8Flag.get(ze);
ZipUtil.setNameAndCommentFromExtraFields(ze, nc.name, nc.comment);
if (!orig.equals(ze.getName()))
{
nameMap.remove(orig);
nameMap.put(ze.getName(), ze);
}
}
}
}
public ZipArchiveEntry getNextZipEntry() //throws IOException
{
if (closed || hitCentralDirectory)
{
return(null);
}
if (current != null)
{
closeEntry();
}
byte[] lfh = new byte[LFH_LEN];
try {
readFully(lfh);
} catch (java.io.EOFException) {
return(null);
}
ZipLong sig = new ZipLong(lfh);
if (sig.equals(ZipLong.CFH_SIG))
{
hitCentralDirectory = true;
return(null);
}
if (!sig.equals(ZipLong.LFH_SIG))
{
return(null);
}
int off = WORD;
current = new ZipArchiveEntry();
int versionMadeBy = ZipShort.getValue(lfh, off);
off += SHORT;
current.setPlatform((versionMadeBy >> ZipFile.BYTE_SHIFT)
& ZipFile.NIBLET_MASK);
GeneralPurposeBit gpFlag = GeneralPurposeBit.parse(lfh, off);
bool hasUTF8Flag = gpFlag.usesUTF8ForNames();
ZipEncoding entryEncoding =
hasUTF8Flag ? ZipEncodingHelper.UTF8_ZIP_ENCODING : zipEncoding;
hasDataDescriptor = gpFlag.usesDataDescriptor();
current.setGeneralPurposeBit(gpFlag);
off += SHORT;
current.setMethod(ZipShort.getValue(lfh, off));
off += SHORT;
long time = ZipUtil.dosToJavaTime(ZipLong.getValue(lfh, off));
current.setTime(time);
off += WORD;
if (!hasDataDescriptor)
{
current.setCrc(ZipLong.getValue(lfh, off));
off += WORD;
current.setCompressedSize(ZipLong.getValue(lfh, off));
off += WORD;
current.setSize(ZipLong.getValue(lfh, off));
off += WORD;
}
else
{
off += 3 * WORD;
}
int fileNameLen = ZipShort.getValue(lfh, off);
off += SHORT;
int extraLen = ZipShort.getValue(lfh, off);
off += SHORT;
byte[] fileName = new byte[fileNameLen];
readFully(fileName);
current.setName(entryEncoding.decode(fileName));
byte[] extraData = new byte[extraLen];
readFully(extraData);
current.setExtra(extraData);
if (!hasUTF8Flag && useUnicodeExtraFields)
{
ZipUtil.setNameAndCommentFromExtraFields(current, fileName, null);
}
return(current);
}