1 package ch.qos.logback.core.model.processor;
2
3 import javax.naming.NamingException;
4
5 import ch.qos.logback.core.Context;
6 import ch.qos.logback.core.joran.action.ActionUtil;
7 import ch.qos.logback.core.joran.action.ActionUtil.Scope;
8 import ch.qos.logback.core.model.InsertFromJNDIModel;
9 import ch.qos.logback.core.model.Model;
10 import ch.qos.logback.core.model.util.PropertyModelHandlerHelper;
11 import ch.qos.logback.core.util.JNDIUtil;
12 import ch.qos.logback.core.util.OptionHelper;
13
14 public class InsertFromJNDIModelHandler extends ModelHandlerBase {
15
16 public InsertFromJNDIModelHandler(Context context) {
17 super(context);
18 }
19
20 static public ModelHandlerBase makeInstance(Context context, ModelInterpretationContext ic) {
21 return new InsertFromJNDIModelHandler(context);
22 }
23
24 @Override
25 protected Class<InsertFromJNDIModel> getSupportedModelClass() {
26 return InsertFromJNDIModel.class;
27 }
28
29 @Override
30 public void handle(ModelInterpretationContext mic, Model model) throws ModelHandlerException {
31 int errorCount = 0;
32
33 InsertFromJNDIModel ifjm = (InsertFromJNDIModel) model;
34
35 String envEntryName = mic.subst(ifjm.getEnvEntryName());
36 String asKey = mic.subst(ifjm.getAs());
37
38 String scopeStr = mic.subst(ifjm.getScopeStr());
39 Scope scope = ActionUtil.stringToScope(scopeStr);
40
41 String envEntryValue;
42
43 if (OptionHelper.isNullOrEmptyOrAllSpaces(envEntryName)) {
44 addError("[" + InsertFromJNDIModel.ENV_ENTRY_NAME_ATTR + "] missing");
45 errorCount++;
46 }
47
48 if (OptionHelper.isNullOrEmptyOrAllSpaces(asKey)) {
49 addError("[" + InsertFromJNDIModel.AS_ATTR + "] missing");
50 errorCount++;
51 }
52
53 if (errorCount != 0) {
54 return;
55 }
56
57 try {
58 javax.naming.Context ctx = JNDIUtil.getInitialContext();
59 envEntryValue = JNDIUtil.lookupString(ctx, envEntryName);
60 if (OptionHelper.isNullOrEmptyOrAllSpaces(envEntryValue)) {
61 addError("[" + envEntryName + "] has null or empty value");
62 } else {
63 addInfo("Setting variable [" + asKey + "] to [" + envEntryValue + "] in [" + scope + "] scope");
64 PropertyModelHandlerHelper.setProperty(mic, asKey, envEntryValue, scope);
65 }
66 } catch (NamingException e) {
67 addError("Failed to lookup JNDI env-entry [" + envEntryName + "]");
68 }
69
70 }
71
72 }