/// <summary>
/// Opens a new <code>ZipFile</code> to read from the specified
/// <code>File</code> object in the specified mode. The mode argument
/// must be either <tt>OPEN_READ</tt> or <tt>OPEN_READ | OPEN_DELETE</tt>.
///
/// <para>First, if there is a security manager, its <code>checkRead</code>
/// method is called with the <code>name</code> argument as its argument to
/// ensure the read is allowed.
///
/// </para>
/// </summary>
/// <param name="file"> the ZIP file to be opened for reading </param>
/// <param name="mode"> the mode in which the file is to be opened </param>
/// <param name="charset">
/// the <seealso cref="java.nio.charset.Charset charset"/> to
/// be used to decode the ZIP entry name and comment that are not
/// encoded by using UTF-8 encoding (indicated by entry's general
/// purpose flag).
/// </param>
/// <exception cref="ZipException"> if a ZIP format error has occurred </exception>
/// <exception cref="IOException"> if an I/O error has occurred
/// </exception>
/// <exception cref="SecurityException">
/// if a security manager exists and its <code>checkRead</code>
/// method doesn't allow read access to the file,or its
/// <code>checkDelete</code> method doesn't allow deleting the
/// file when the <tt>OPEN_DELETE</tt> flag is set
/// </exception>
/// <exception cref="IllegalArgumentException"> if the <tt>mode</tt> argument is invalid
/// </exception>
/// <seealso cref= SecurityManager#checkRead(java.lang.String)
///
/// @since 1.7 </seealso>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public ZipFile(java.io.File file, int mode, java.nio.charset.Charset charset) throws java.io.IOException
public ZipFile(File file, int mode, Charset charset)
{
if (((mode & OPEN_READ) == 0) || ((mode & ~(OPEN_READ | OPEN_DELETE)) != 0))
{
throw new IllegalArgumentException("Illegal mode: 0x" + mode.ToString("x"));
}
String name = file.Path;
SecurityManager sm = System.SecurityManager;
if (sm != null)
{
sm.CheckRead(name);
if ((mode & OPEN_DELETE) != 0)
{
sm.CheckDelete(name);
}
}
if (charset == null)
{
throw new NullPointerException("charset is null");
}
this.Zc = ZipCoder.Get(charset);
long t0 = System.nanoTime();
Jzfile = open(name, mode, file.LastModified(), Usemmap);
sun.misc.PerfCounter.ZipFileOpenTime.addElapsedTimeFrom(t0);
sun.misc.PerfCounter.ZipFileCount.increment();
this.Name_Renamed = name;
this.Total = getTotal(Jzfile);
this.Locsig = startsWithLOC(Jzfile);
}
/// <summary>
/// Creates a new ZIP output stream.
/// </summary>
/// <param name="out"> the actual output stream
/// </param>
/// <param name="charset"> the <seealso cref="java.nio.charset.Charset charset"/>
/// to be used to encode the entry names and comments
///
/// @since 1.7 </param>
public ZipOutputStream(OutputStream @out, Charset charset) : base(@out, new Deflater(Deflater.DEFAULT_COMPRESSION, true))
{
if (charset == null)
{
throw new NullPointerException("charset is null");
}
this.Zc = ZipCoder.Get(charset);
UsesDefaultDeflater = true;
}
internal String ToStringUTF8(sbyte[] ba, int len)
{
if (IsUTF8)
{
return(ToString(ba, len));
}
if (Utf8 == null)
{
Utf8 = new ZipCoder(StandardCharsets.UTF_8);
}
return(Utf8.ToString(ba, len));
}
// assume invoked only if "this" is not utf8
internal sbyte[] GetBytesUTF8(String s)
{
if (IsUTF8)
{
return(GetBytes(s));
}
if (Utf8 == null)
{
Utf8 = new ZipCoder(StandardCharsets.UTF_8);
}
return(Utf8.GetBytes(s));
}
/// <summary>
/// Creates a new ZIP input stream.
/// </summary>
/// <param name="in"> the actual input stream
/// </param>
/// <param name="charset">
/// The <seealso cref="java.nio.charset.Charset charset"/> to be
/// used to decode the ZIP entry name (ignored if the
/// <a href="package-summary.html#lang_encoding"> language
/// encoding bit</a> of the ZIP entry's general purpose bit
/// flag is set).
///
/// @since 1.7 </param>
public ZipInputStream(InputStream @in, Charset charset) : base(new PushbackInputStream(@in, 512), new Inflater(true), 512)
{
UsesDefaultInflater = true;
if (@in == null)
{
throw new NullPointerException("in is null");
}
if (charset == null)
{
throw new NullPointerException("charset is null");
}
this.Zc = ZipCoder.Get(charset);
}
