01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common Development
08: * and Distribution License("CDDL") (collectively, the "License"). You
09: * may not use this file except in compliance with the License. You can obtain
10: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
11: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
12: * language governing permissions and limitations under the License.
13: *
14: * When distributing the software, include this License Header Notice in each
15: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
16: * Sun designates this particular file as subject to the "Classpath" exception
17: * as provided by Sun in the GPL Version 2 section of the License file that
18: * accompanied this code. If applicable, add the following below the License
19: * Header, with the fields enclosed by brackets [] replaced by your own
20: * identifying information: "Portions Copyrighted [year]
21: * [name of copyright owner]"
22: *
23: * Contributor(s):
24: *
25: * If you wish your version of this file to be governed by only the CDDL or
26: * only the GPL Version 2, indicate your decision by adding "[Contributor]
27: * elects to include this software in this distribution under the [CDDL or GPL
28: * Version 2] license." If you don't indicate a single choice of license, a
29: * recipient has the option to distribute your version of this file under
30: * either the CDDL, the GPL Version 2 or to extend the choice of license to
31: * its licensees as provided above. However, if you add GPL Version 2 code
32: * and therefore, elected the GPL Version 2 license, then the option applies
33: * only if the new code is made subject to such option by the copyright
34: * holder.
35: */
36:
37: package com.sun.xml.ws.transport.tcp.util;
38:
39: /**
40: * @author Alexey Stashok
41: */
42: public final class VersionController {
43:
44: private static final VersionController instance = new VersionController(
45: new Version(1, 0), new Version(1, 0));
46:
47: private final Version framingVersion;
48: private final Version connectionManagementVersion;
49:
50: private VersionController(final Version framingVersion,
51: final Version connectionManagementVersion) {
52: this .framingVersion = framingVersion;
53: this .connectionManagementVersion = connectionManagementVersion;
54: }
55:
56: public static VersionController getInstance() {
57: return instance;
58: }
59:
60: public Version getFramingVersion() {
61: return framingVersion;
62: }
63:
64: public Version getConnectionManagementVersion() {
65: return connectionManagementVersion;
66: }
67:
68: /**
69: * Method checks compatibility of server and client versions
70: */
71: public boolean isVersionSupported(final Version framingVersion,
72: final Version connectionManagementVersion) {
73:
74: return this .framingVersion.equals(framingVersion)
75: && this .connectionManagementVersion
76: .equals(connectionManagementVersion);
77: }
78:
79: /**
80: * Method returns closest to given framing version, which current implementation supports
81: */
82: public Version getClosestSupportedFramingVersion(
83: Version framingVersion) {
84: return this .framingVersion;
85: }
86:
87: /**
88: * Method returns closest to given connection management version, which current implementation supports
89: */
90: public Version getClosestSupportedConnectionManagementVersion(
91: Version connectionManagementVersion) {
92: return this.connectionManagementVersion;
93: }
94: }
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