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1
19 package gcc.util;
20
21 import gcc.*;
22 import java.util.*;
23
24 public abstract class ThreadContext
25 {
26 private static HashMap _primTypes;
27
28 private static ThreadLocal _defaultRmiHost = new ThreadLocal();
29
30 private static ThreadLocal _defaultRmiPort = new ThreadLocal();
31
32 static
33 {
34 _primTypes = new HashMap();
35 _primTypes.put("boolean", boolean.class);
36 _primTypes.put("char", char.class);
37 _primTypes.put("byte", byte.class);
38 _primTypes.put("short", short.class);
39 _primTypes.put("int", int.class);
40 _primTypes.put("long", long.class);
41 _primTypes.put("float", float.class);
42 _primTypes.put("double", double.class);
43 _primTypes.put("boolean[]", boolean[].class);
44 _primTypes.put("char[]", char[].class);
45 _primTypes.put("byte[]", byte[].class);
46 _primTypes.put("short[]", short[].class);
47 _primTypes.put("int[]", int[].class);
48 _primTypes.put("long[]", long[].class);
49 _primTypes.put("float[]", float[].class);
50 _primTypes.put("double[]", double[].class);
51 }
52
53 public static String getDefaultRmiHost()
54 {
55 String host = (String)_defaultRmiHost.get();
56 if (host == null)
57 {
58 host = "0";
59 }
60 return host;
61 }
62
63 public static int getDefaultRmiPort()
64 {
65 Integer port = (Integer)_defaultRmiPort.get();
66 if (port == null)
67 {
68 port = IntegerCache.get(0);
69 }
70 return port.intValue();
71 }
72
73 public static Class loadClass(String className)
74 {
75 Class t = (Class)_primTypes.get(className);
76 if (t != null)
77 {
78 return t;
79 }
80 try
81 {
82 ClassLoader loader = Thread.currentThread().getContextClassLoader();
83 if (loader == null)
84 {
85 return Class.forName(className);
86 }
87 else
88 {
89 return loader.loadClass(className);
90 }
91 }
92 catch (RuntimeException ex)
93 {
94 throw (RuntimeException)ex;
95 }
96 catch (Exception ex)
97 {
98 throw new SystemException(ex);
99 }
100 }
101
102 public static Class loadClass(String className, Class parentClass)
103 {
104 if (parentClass == null)
105 {
106 return loadClass(className);
107 }
108 Class t = (Class)_primTypes.get(className);
109 if (t != null)
110 {
111 return t;
112 }
113 try
114 {
115 ClassLoader loader = parentClass.getClassLoader();
116 if (loader == null)
117 {
118 return loadClass(className);
119 }
120 else
121 {
122 return loader.loadClass(className);
123 }
124 }
125 catch (RuntimeException ex)
126 {
127 throw (RuntimeException)ex;
128 }
129 catch (Exception ex)
130 {
131 throw new SystemException(ex);
132 }
133 }
134
135 public static Class loadClassOrReturnNullIfNotFound(String className)
136 {
137 try
138 {
139 return loadClass(className);
140 }
141 catch (RuntimeException ex)
142 {
143 return null;
144 }
145 }
146
147 public static Class loadClassOrReturnNullIfNotFound(String className, Class parentClass)
148 {
149 if (parentClass == null)
150 {
151 return loadClassOrReturnNullIfNotFound(className);
152 }
153 try
154 {
155 return loadClass(className, parentClass);
156 }
157 catch (RuntimeException ex)
158 {
159 return null;
160 }
161 }
162
163 public static void setDefaultRmiHost(String host)
164 {
165 _defaultRmiHost.set(host);
166 }
167
168 public static void setDefaultRmiPort(int port)
169 {
170 _defaultRmiPort.set(IntegerCache.get(port));
171 }
172 }
173 |
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