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1
29
30 package com.caucho.config.types;
31
32 import com.caucho.config.BuilderProgram;
33 import com.caucho.config.Config;
34 import com.caucho.config.ConfigException;
35 import com.caucho.config.LineConfigException;
36 import com.caucho.loader.ClassLoaderListener;
37 import com.caucho.loader.DynamicClassLoader;
38 import com.caucho.loader.EnvironmentClassLoader;
39 import com.caucho.naming.Jndi;
40 import com.caucho.util.L10N;
41
42 import javax.annotation.PostConstruct;
43 import javax.naming.InitialContext  ;
44 import javax.naming.NamingException ;
45 import java.util.HashMap ;
46 import java.util.Iterator ;
47 import java.util.logging.Level ;
48 import java.util.logging.Logger ;
49
50
53 public class ResourceRef implements Validator {
54 private static Logger log = Logger.getLogger(ResourceRef.class.getName());
55 private static L10N L = new L10N(ResourceRef.class);
56
57 private String _location = "";
58
59 private String _name;
60 private Class _type;
61 private String _description;
62 private boolean _sharing;
63
64 private BuilderProgram _init;
65 private HashMap <String ,String > _params = new HashMap <String ,String >();
66
67
70 public void setId(String id)
71 {
72 }
73
74
77 public void setConfigLocation(String filename, int line)
78 {
79 _location = filename + ":" + line + " ";
80 }
81
82
85 public void setDescription(String description)
86 {
87 _description = description;
88 }
89
90
93 public void setResRefName(String name)
94 {
95 _name = name;
96 }
97
98
101 public String getResRefName()
102 {
103 return _name;
104 }
105
106
109 public void setResType(Class type)
110 {
111 _type = type;
112 }
113
114
117 public void setResAuth(String auth)
118 {
119 }
120
121
124 public void setResSharingScope(String share)
125 {
126 }
127
128
131 public void setClassName(Class type)
132 {
133 _type = type;
134 }
135
136
139 public Class getResType()
140 {
141 return _type;
142 }
143
144
147 public void setInit(BuilderProgram init)
148 {
149 _init = init;
150 }
151
152
155 public BuilderProgram getInit()
156 {
157 return _init;
158 }
159
160
163 public void setInitParam(InitParam initParam)
164 {
165 _params.putAll(initParam.getParameters());
166 }
167
168
171 @PostConstruct
172 public void init()
173 throws Throwable
174 {
175 if (_init == null && _params.size() == 0) {
176 return;
177 }
178
179 Class cl = _type;
180
181 if (javax.sql.DataSource .class.equals(_type))
182 cl = com.caucho.sql.DBPool.class;
183
187
188 Object obj = cl.newInstance();
189
190 if (_init != null)
191 _init.configure(obj);
192
193 Iterator iter = _params.keySet().iterator();
194 while (iter.hasNext()) {
195 String key = (String ) iter.next();
196 String value = (String ) _params.get(key);
197
198 Config.setAttribute(obj, key, value);
199 }
200
201 if (obj instanceof ClassLoaderListener) {
202 ClassLoaderListener listener = (ClassLoaderListener) obj;
203
204 ClassLoader loader = Thread.currentThread().getContextClassLoader();
205 for (; loader != null; loader = loader.getParent()) {
206 if (loader instanceof EnvironmentClassLoader) {
207 ((DynamicClassLoader) loader).addListener(listener);
208 break;
209 }
210 }
211 }
212
213 Jndi.bindDeep(_name, obj);
214 }
215
216
220 public void validate()
221 throws ConfigException
222 {
223 Object obj = null;
224
225 try {
226 obj = new InitialContext ().lookup("java:comp/env/" + _name);
227 } catch (NamingException e) {
228 log.log(Level.FINEST, e.toString(), e);
229 }
230
231 if (obj == null)
232 throw error(L.l("resource-ref '{0}' was not configured. All resources defined by <resource-ref> tags must be defined in a configuration file.",
233 _name));
234 }
235
236 public ConfigException error(String msg)
237 {
238 if (_location != null)
239 return new LineConfigException(_location + msg);
240 else
241 return new ConfigException(msg);
242 }
243
244 public String toString()
245 {
246 return "ResourceRef[" + _name + "]";
247 }
248 }
249 |
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