01: /*
02: *
03: *
04: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: */
26:
27: package com.sun.midp.io;
28:
29: /**
30: * Base class for Network Connection protocols.
31: * This class allows one to initialize the network, if necessary,
32: * before any networking code is called.
33: */
34: public abstract class NetworkConnectionBase extends
35: BufferedConnectionAdapter {
36:
37: /**
38: * This is so not StreamConnection classes can intialize the
39: * network if they are loaded first.
40: */
41: public static void initializeNativeNetwork() {
42: /*
43: * This method just has to be a reference to
44: * get this class loaded and cause the
45: * class initializer to initialize the network.
46: */
47: }
48:
49: /**
50: * Initialize any possible native networking code.
51: */
52: private static native void initializeInternal();
53:
54: /**
55: * This will make sure the network is initialized once and only once
56: * per VM instance.
57: */
58: static {
59: initializeInternal();
60: }
61:
62: /**
63: * Initializes the connection.
64: *
65: * @param sizeOfBuffer size of the internal buffer or 0 for the default
66: * size
67: */
68: protected NetworkConnectionBase(int sizeOfBuffer) {
69: super(sizeOfBuffer);
70: }
71: }
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