Showing the changes to java/pkg/sun/net/httpserver/FixedLengthInputStream.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,82 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.net.httpserver; | ||
| 27 | |||
| 28 | import java.io.*; | ||
| 29 | import java.net.*; | ||
| 30 | import com.sun.net.httpserver.*; | ||
| 31 | import com.sun.net.httpserver.spi.*; | ||
| 32 | |||
| 33 | /** | ||
| 34 | * a class which allows the caller to read up to a defined | ||
| 35 | * number of bytes off an underlying stream | ||
| 36 | * close() does not close the underlying stream | ||
| 37 | */ | ||
| 38 | |||
| 39 | class FixedLengthInputStream extends LeftOverInputStream { | ||
| 40 | private long remaining; | ||
| 41 | |||
| 42 | FixedLengthInputStream (ExchangeImpl t, InputStream src, long len) { | ||
| 43 | super (t, src); | ||
| 44 | this.remaining = len; | ||
| 45 | } | ||
| 46 | |||
| 47 | protected int readImpl (byte[]b, int off, int len) throws IOException { | ||
| 48 | |||
| 49 | eof = (remaining == 0L); | ||
| 50 | if (eof) { | ||
| 51 | return -1; | ||
| 52 | } | ||
| 53 | if (len > remaining) { | ||
| 54 | len = (int)remaining; | ||
| 55 | } | ||
| 56 | int n = in.read(b, off, len); | ||
| 57 | if (n > -1) { | ||
| 58 | remaining -= n; | ||
| 59 | if (remaining == 0) { | ||
| 60 | t.getServerImpl().requestCompleted (t.getConnection()); | ||
| 61 | } | ||
| 62 | } | ||
| 63 | return n; | ||
| 64 | } | ||
| 65 | |||
| 66 | public int available () throws IOException { | ||
| 67 | if (eof) { | ||
| 68 | return 0; | ||
| 69 | } | ||
| 70 | int n = in.available(); | ||
| 71 | return n < remaining? n: (int)remaining; | ||
| 72 | } | ||
| 73 | |||
| 74 | public boolean markSupported () {return false;} | ||
| 75 | |||
| 76 | public void mark (int l) { | ||
| 77 | } | ||
| 78 | |||
| 79 | public void reset () throws IOException { | ||
| 80 | throw new IOException ("mark/reset not supported"); | ||
| 81 | } | ||
| 82 | } | ||