/// <summary>
/// Returns an input stream for reading the contents of the specified
/// zip file entry.
///
/// <para> Closing this ZIP file will, in turn, close all input
/// streams that have been returned by invocations of this method.
///
/// </para>
/// </summary>
/// <param name="entry"> the zip file entry </param>
/// <returns> the input stream for reading the contents of the specified
/// zip file entry. </returns>
/// <exception cref="ZipException"> if a ZIP format error has occurred </exception>
/// <exception cref="IOException"> if an I/O error has occurred </exception>
/// <exception cref="IllegalStateException"> if the zip file has been closed </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public java.io.InputStream getInputStream(ZipEntry entry) throws java.io.IOException
public virtual InputStream GetInputStream(ZipEntry entry)
{
if (entry == null)
{
throw new NullPointerException("entry");
}
long jzentry = 0;
ZipFileInputStream @in = null;
lock (this)
{
EnsureOpen();
if (!Zc.UTF8 && (entry.Flag & EFS) != 0)
{
jzentry = getEntry(Jzfile, Zc.GetBytesUTF8(entry.Name_Renamed), false);
}
else
{
jzentry = getEntry(Jzfile, Zc.GetBytes(entry.Name_Renamed), false);
}
if (jzentry == 0)
{
return(null);
}
@in = new ZipFileInputStream(this, jzentry);
switch (getEntryMethod(jzentry))
{
case STORED:
lock (Streams)
{
Streams[@in] = null;
}
return(@in);
case DEFLATED:
// MORE: Compute good size for inflater stream:
long size = getEntrySize(jzentry) + 2; // Inflater likes a bit of slack
if (size > 65536)
{
size = 8192;
}
if (size <= 0)
{
size = 4096;
}
Inflater inf = Inflater;
InputStream @is = new ZipFileInflaterInputStream(this, @in, inf, (int)size);
lock (Streams)
{
Streams[@is] = inf;
}
return(@is);
default:
throw new ZipException("invalid compression method");
}
}
}
internal ZipFileInflaterInputStream(ZipFile outerInstance, ZipFileInputStream zfin, Inflater inf, int size) : base(zfin, inf, size)
{
this.OuterInstance = outerInstance;
this.Zfin = zfin;
}
