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1
26
27
28 package org.objectweb.mobilitools.smi;
29
30
31 import org.omg.CORBA.ORB  ;
32 import org.omg.CORBA.Any ;
33 import org.omg.CfMAF.*;
34 import org.objectweb.mobilitools.smi.idl.*;
35 import org.objectweb.mobilitools.smi.api.Constants;
36 import java.util.Properties ;
37 import java.util.Enumeration ;
38 import java.util.StringTokenizer ;
39 import java.net.URL ;
40 import java.net.MalformedURLException ;
41
42
43 abstract public class Misc
44 {
45 static public final Name DUMMYNAME = newDummyName();
46 static public final AgentProfile DUMMYAGENTPROFILE = newDummyAgentProfile();
47 static public final AgentSystemInfo DUMMYAGENTSYSTEMINFO = newDummyAgentSystemInfo();
48
49
50 static public Name newDummyName()
51 {
52 return new Name(new byte[0], new byte[0], (short)0);
53 }
54
55
56 static public AgentProfile newDummyAgentProfile()
57 {
58 return new AgentProfile(
59 (short)0,
60 (short)0,
61 "",
62 (short)0,
63 (short)0,
64 (short)0,
65 new Any [0]);
66 }
67
68
69 static public AgentSystemInfo newDummyAgentSystemInfo()
70 {
71 return new AgentSystemInfo(
72 newDummyName(),
73 (short)0,
74 new LanguageMap[0],
75 "",
76 (short)0,
77 (short)0,
78 new Any [0]);
79 }
80
81
82 static public Properties any2property(Any [] any)
83 {
84 Properties result = new Properties ();
85 if (any != null)
86 {
87 for (int i=0 ; i<any.length ; ++i)
88 {
89 SMIProperty prop = SMIPropertyHelper.extract(any[i]);
90 result.setProperty(prop.name, prop.value);
91 }
92 }
93 return result;
94 }
95
96
97 static public Any [] property2any(Properties properties, ORB orb)
98 {
99 Any [] result;
100 if (properties != null)
101 {
102 result = new Any [properties.size()];
103 Enumeration names = properties.propertyNames();
104 for (int i=0 ; names.hasMoreElements() ; ++i)
105 {
106 String name = (String )names.nextElement();
107 String value = properties.getProperty(name);
108 if (value == null)
109 {
110 value = "";
111 }
112 result[i] = orb.create_any();
113 SMIPropertyHelper.insert(result[i], new SMIProperty(name, value));
114 }
115 }
116 else
117 {
118 result = new Any [0];
119 }
120 return result;
121 }
122
123
124
135 static public boolean matchProfile(Object mask, Object value)
136 {
137 boolean result = false;
138 if (mask == null)
139 {
140 result = true;
141 }
142 else if (value != null)
143 {
144 if (mask instanceof AgentProfile && value instanceof AgentProfile)
145 {
146 AgentProfile m = (AgentProfile)mask;
147 AgentProfile v = (AgentProfile)value;
148 result =
149 (m.language_id == 0 || m.language_id == v.language_id) &&
150 (m.agent_system_type == 0 || m.agent_system_type == v.agent_system_type) &&
151 (m.major_version == 0 || m.major_version == v.major_version) &&
152 (m.minor_version == 0 || m.minor_version == v.minor_version) &&
153 (m.serialization == 0 || m.serialization == v.serialization) &&
154 matchProperties(Misc.any2property(m.properties), Misc.any2property(v.properties));
155 }
156 else if (mask instanceof AgentSystemInfo && value instanceof AgentSystemInfo)
157 {
158 AgentSystemInfo m = (AgentSystemInfo)mask;
159 AgentSystemInfo v = (AgentSystemInfo)value;
160
161 result =
162 (m.agent_system_type == 0 || m.agent_system_type == v.agent_system_type) &&
163 (m.major_version == 0 || m.major_version == v.major_version) &&
164 (m.minor_version == 0 || m.minor_version == v.minor_version) &&
165 matchProperties(Misc.any2property(m.properties), Misc.any2property(v.properties));
166 }
167 }
168 return result;
169 }
170
171
172 static public boolean matchProperties(Properties subset, Properties set)
173 {
174 Enumeration keys = subset.propertyNames();
175 while (keys.hasMoreElements())
176 {
177 String key = (String )keys.nextElement();
178 if (!subset.getProperty(key).equals(set.getProperty(key)))
179 {
180 return false;
181 }
182 }
183 return true;
184 }
185
186
187
203 static public ClassLoader getClassLoader(
204 ClassLoader parent,
205 String codebase,
206 AgentProfile profile,
207 MAFAgentSystem provider)
208 {
209 ClassLoader loader = null;
210 String loader_name = System.getProperty(
211 Constants.classLoaderProp,
212 Constants.classLoaderDefault);
213 try
214 {
215 loader = (ClassLoader )Class.forName(loader_name)
216 .getMethod(
217 Constants.classLoaderMethod,
218 new Class [] {
219 ClassLoader .class,
220 String .class,
221 AgentProfile.class,
222 MAFAgentSystem.class })
223 .invoke(
224 null,
225 new Object [] {
226 parent,
227 codebase,
228 profile,
229 provider});
230 }
231 catch (Throwable ex)
232 {
233 throw new Error (
234 "Bad classloader factory or bad parameters: "
235 + loader_name
236 + "." + Constants.classLoaderMethod
237 + "("
238 + parent + ", "
239 + codebase + ", "
240 + profile + ", "
241 + provider
242 + ")\n" + ex);
243 }
244 return loader;
245 }
246
247
248 static public URL [] codebase2URLs(String codebase)
249 throws MalformedURLException
250 {
251 StringTokenizer parser = new StringTokenizer (codebase, " ");
252 URL [] urls = new URL [parser.countTokens()];
253 int i=0;
254 while (parser.hasMoreTokens())
255 {
256 urls[i++] = new URL (parser.nextToken());
257 }
258 return urls;
259 }
260 }
261 |
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