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1
7
8 package com.sun.corba.se.spi.ior.iiop ;
9
10 import com.sun.corba.se.spi.ior.IOR ;
11 import com.sun.corba.se.spi.ior.iiop.IIOPProfile;
12 import com.sun.corba.se.spi.orb.ORB;
13 import com.sun.corba.se.spi.orb.ORBVersion;
14 import com.sun.corba.se.spi.orb.ORBVersionFactory;
15
16 import com.sun.corba.se.impl.orbutil.ORBUtility;
17 import com.sun.corba.se.impl.protocol.giopmsgheaders.Message;
18
19 public class GIOPVersion {
20
21
23 public static final GIOPVersion V1_0 = new GIOPVersion((byte)1, (byte)0);
24 public static final GIOPVersion V1_1 = new GIOPVersion((byte)1, (byte)1);
25 public static final GIOPVersion V1_2 = new GIOPVersion((byte)1, (byte)2);
26 public static final GIOPVersion V1_3 = new GIOPVersion((byte)1, (byte)3);
27
28 public static final GIOPVersion V13_XX =
31 new GIOPVersion((byte)13, (byte)Message.JAVA_ENC_VERSION);
32
33 public static final GIOPVersion DEFAULT_VERSION = V1_2;
34
35 public static final int VERSION_1_0 = 0x0100;
36 public static final int VERSION_1_1 = 0x0101;
37 public static final int VERSION_1_2 = 0x0102;
38 public static final int VERSION_1_3 = 0x0103;
39 public static final int VERSION_13_XX =
40 ((0x0D << 8) & 0x0000FF00) | Message.JAVA_ENC_VERSION;
41
42
44 private byte major = (byte) 0;
45 private byte minor = (byte) 0;
46
47
49 public GIOPVersion() {}
50
51 public GIOPVersion(byte majorB, byte minorB) {
52 this.major = majorB;
53 this.minor = minorB;
54 }
55
56 public GIOPVersion(int major, int minor) {
57 this.major = (byte)major;
58 this.minor = (byte)minor;
59 }
60
61
63 public byte getMajor() {
64 return this.major;
65 }
66
67 public byte getMinor() {
68 return this.minor;
69 }
70
71
73 public boolean equals(GIOPVersion gv){
74 return gv.major == this.major && gv.minor == this.minor ;
75 }
76
77 public boolean equals(Object  obj) {
78 if (obj != null && (obj instanceof GIOPVersion))
79 return equals((GIOPVersion)obj);
80 else
81 return false;
82 }
83
84 public int hashCode()
85 {
86 return 37*major + minor ;
87 }
88
89 public boolean lessThan(GIOPVersion gv) {
90 if (this.major < gv.major) {
91 return true;
92 } else if (this.major == gv.major) {
93 if (this.minor < gv.minor) {
94 return true;
95 }
96 }
97
98 return false;
99 }
100
101 public int intValue()
102 {
103 return (major << 8 | minor);
104 }
105
106 public String toString()
107 {
108 return major + "." + minor;
109 }
110
111 public static GIOPVersion getInstance(byte major, byte minor)
112 {
113 switch(((major << 8) | minor)) {
114 case VERSION_1_0:
115 return GIOPVersion.V1_0;
116 case VERSION_1_1:
117 return GIOPVersion.V1_1;
118 case VERSION_1_2:
119 return GIOPVersion.V1_2;
120 case VERSION_1_3:
121 return GIOPVersion.V1_3;
122 case VERSION_13_XX:
123 return GIOPVersion.V13_XX;
124 default:
125 return new GIOPVersion(major, minor);
126 }
127 }
128
129 public static GIOPVersion parseVersion(String s)
130 {
131 int dotIdx = s.indexOf('.');
132
133 if (dotIdx < 1 || dotIdx == s.length() - 1)
134 throw new NumberFormatException ("GIOP major, minor, and decimal point required: " + s);
135
136 int major = Integer.parseInt(s.substring(0, dotIdx));
137 int minor = Integer.parseInt(s.substring(dotIdx + 1, s.length()));
138
139 return GIOPVersion.getInstance((byte)major, (byte)minor);
140 }
141
142
148 public static GIOPVersion chooseRequestVersion(ORB orb, IOR ior ) {
149
150 GIOPVersion orbVersion = orb.getORBData().getGIOPVersion();
151 IIOPProfile prof = ior.getProfile() ;
152 GIOPVersion profVersion = prof.getGIOPVersion();
153
154
156 ORBVersion targetOrbVersion = prof.getORBVersion();
157 if (!(targetOrbVersion.equals(ORBVersionFactory.getFOREIGN())) &&
158 targetOrbVersion.lessThan(ORBVersionFactory.getNEWER())) {
159 return V1_0;
162 }
163
164
166 byte prof_major = profVersion.getMajor();
167 byte prof_minor = profVersion.getMinor();
168
169 byte orb_major = orbVersion.getMajor();
170 byte orb_minor = orbVersion.getMinor();
171
172 if (orb_major < prof_major) {
173 return orbVersion;
174 } else if (orb_major > prof_major) {
175 return profVersion;
176 } else { if (orb_minor <= prof_minor) {
178 return orbVersion;
179 } else {
180 return profVersion;
181 }
182 }
183 }
184
185 public boolean supportsIORIIOPProfileComponents()
186 {
187 return getMinor() > 0 || getMajor() > 1;
188 }
189
190
192 public void read(org.omg.CORBA.portable.InputStream istream) {
193 this.major = istream.read_octet();
194 this.minor = istream.read_octet();
195 }
196
197 public void write(org.omg.CORBA.portable.OutputStream ostream) {
198 ostream.write_octet(this.major);
199 ostream.write_octet(this.minor);
200 }
201 }
202 |
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