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Java > Open Source Codes > jcifs > smb > TransactNamedPipeOutputStream


1 /* jcifs smb client library in Java
2  * Copyright (C) 2000 "Michael B. Allen" <jcifs at samba dot org>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  */
18
19 package jcifs.smb;
20
21 import java.io.OutputStream JavaDoc;
22 import java.io.IOException JavaDoc;
23
24 class TransactNamedPipeOutputStream extends OutputStream JavaDoc {
25
26     private String JavaDoc path;
27     private SmbNamedPipe pipe;
28     private byte[] tmp = new byte[1];
29     private boolean dcePipe;
30
31     TransactNamedPipeOutputStream( SmbNamedPipe pipe ) throws IOException JavaDoc {
32         this.pipe = pipe;
33         this.dcePipe = ( pipe.pipeType & SmbNamedPipe.PIPE_TYPE_DCE_TRANSACT ) == SmbNamedPipe.PIPE_TYPE_DCE_TRANSACT;
34         path = pipe.unc;
35     }
36
37     public void close() throws IOException JavaDoc {
38         pipe.close();
39     }
40     public void write( int b ) throws IOException JavaDoc {
41         tmp[0] = (byte)b;
42         write( tmp, 0, 1 );
43     }
44     public void write( byte[] b ) throws IOException JavaDoc {
45         write( b, 0, b.length );
46     }
47     public void write( byte[] b, int off, int len ) throws IOException JavaDoc {
48         if( len < 0 ) {
49             len = 0;
50         }
51
52         if(( pipe.pipeType & SmbNamedPipe.PIPE_TYPE_CALL ) ==
53                                                     SmbNamedPipe.PIPE_TYPE_CALL ) {
54             pipe.send( new TransWaitNamedPipe( path ),
55                                         new TransWaitNamedPipeResponse() );
56             pipe.send( new TransCallNamedPipe( path, b, off, len ),
57                                         new TransCallNamedPipeResponse( pipe ));
58         } else if(( pipe.pipeType & SmbNamedPipe.PIPE_TYPE_TRANSACT ) ==
59                                                     SmbNamedPipe.PIPE_TYPE_TRANSACT ) {
60             pipe.open(( pipe.pipeType & 0xFFFF0000 ) | SmbFile.O_EXCL, SmbFile.ATTR_NORMAL, 0 );
61             TransTransactNamedPipe req = new TransTransactNamedPipe( pipe.fid, b, off, len );
62             if (dcePipe) {
63                 req.maxDataCount = 1024;
64             }
65             pipe.send( req, new TransTransactNamedPipeResponse( pipe ));
66         }
67     }
68 }
69
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