/*
* Returns an input stream on the data of the specified {@code ZipEntry}.
*
* @param entry
* the ZipEntry.
* @return an input stream of the data contained in the {@code ZipEntry}.
* @throws IOException
* if an {@code IOException} occurs.
* @throws IllegalStateException if this ZIP file has been closed.
*/
public java.io.InputStream getInputStream(ZipEntry entry) // throws IOException {
/*
* Make sure this ZipEntry is in this Zip file. We run it through
* the name lookup.
*/
{
entry = getEntry(entry.getName());
if (entry == null)
{
return(null);
}
/*
* Create a ZipInputStream at the right part of the file.
*/
java.io.RandomAccessFile raf = mRaf;
lock (raf) {
// We don't know the entry data's start position. All we have is the
// position of the entry's local header. At position 28 we find the
// length of the extra data. In some cases this length differs from
// the one coming in the central header.
RAFStream rafstrm = new RAFStream(raf,
entry.mLocalHeaderRelOffset + 28);
int localExtraLenOrWhatever = ler.readShortLE(rafstrm);
// Skip the name and this "extra" data or whatever it is:
rafstrm.skip(entry.nameLen + localExtraLenOrWhatever);
rafstrm.mLength = rafstrm.mOffset + entry.compressedSize;
if (entry.compressionMethod == ZipEntry.DEFLATED)
{
int bufSize = java.lang.Math.max(1024, (int)java.lang.Math.min(entry.getSize(), 65535L));
return(new ZipInflaterInputStream(rafstrm, new Inflater(true), bufSize, entry));
}
else
{
return(rafstrm);
}
}
}
public override int available() //throws IOException {
{
return(base.available() == 0 ? 0 : (int)(entry.getSize() - bytesRead));
}
