/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package sun.net.httpserver;

import java.io.*;
import java.net.*;
import com.sun.net.httpserver.*;
import com.sun.net.httpserver.spi.*;

a class which allows the caller to read up to a defined number of bytes off an underlying stream close() does not close the underlying stream
/** * a class which allows the caller to read up to a defined * number of bytes off an underlying stream * close() does not close the underlying stream */
class FixedLengthInputStream extends LeftOverInputStream { private long remaining; FixedLengthInputStream (ExchangeImpl t, InputStream src, long len) { super (t, src); this.remaining = len; } protected int readImpl (byte[]b, int off, int len) throws IOException { eof = (remaining == 0L); if (eof) { return -1; } if (len > remaining) { len = (int)remaining; } int n = in.read(b, off, len); if (n > -1) { remaining -= n; if (remaining == 0) { t.getServerImpl().requestCompleted (t.getConnection()); } } return n; } public int available () throws IOException { if (eof) { return 0; } int n = in.available(); return n < remaining? n: (int)remaining; } public boolean markSupported () {return false;} public void mark (int l) { } public void reset () throws IOException { throw new IOException ("mark/reset not supported"); } }