/** Instantiates an layout of the given class and sets its name. */
@SuppressWarnings("unchecked")
public void begin(InterpretationContext ec, String localName, Attributes attributes) {
// Let us forget about previous errors (in this object)
inError = false;
String errorMsg;
String conversionWord = attributes.getValue(ActionConst.CONVERSION_WORD_ATTRIBUTE);
String converterClass = attributes.getValue(ActionConst.CONVERTER_CLASS_ATTRIBUTE);
if (OptionHelper.isEmpty(conversionWord)) {
inError = true;
errorMsg = "No 'conversionWord' attribute in <conversionRule>";
addError(errorMsg);
return;
}
if (OptionHelper.isEmpty(converterClass)) {
inError = true;
errorMsg = "No 'converterClass' attribute in <conversionRule>";
ec.addError(errorMsg);
return;
}
try {
Map<String, String> ruleRegistry =
(Map) context.getObject(CoreConstants.PATTERN_RULE_REGISTRY);
if (ruleRegistry == null) {
ruleRegistry = new HashMap<String, String>();
context.putObject(CoreConstants.PATTERN_RULE_REGISTRY, ruleRegistry);
}
// put the new rule into the rule registry
addInfo(
"registering conversion word " + conversionWord + " with class [" + converterClass + "]");
ruleRegistry.put(conversionWord, converterClass);
} catch (Exception oops) {
inError = true;
errorMsg = "Could not add conversion rule to PatternLayout.";
addError(errorMsg);
}
}
/**
* Instantiates an a data source and bind it to JNDI Most of the required parameters are placed in
* the ec.substitutionProperties
*/
public void begin(InterpretationContext ec, String localName, Attributes attributes) {
String dsClassName = ec.getProperty(DATA_SOURCE_CLASS);
if (OptionHelper.isEmpty(dsClassName)) {
addWarn("dsClassName is a required parameter");
ec.addError("dsClassName is a required parameter");
return;
}
String urlStr = ec.getProperty(URL);
String userStr = ec.getProperty(USER);
String passwordStr = ec.getProperty(PASSWORD);
try {
DataSource ds =
(DataSource) OptionHelper.instantiateByClassName(dsClassName, DataSource.class, context);
PropertySetter setter = new PropertySetter(ds);
setter.setContext(context);
if (!OptionHelper.isEmpty(urlStr)) {
setter.setProperty("url", urlStr);
}
if (!OptionHelper.isEmpty(userStr)) {
setter.setProperty("user", userStr);
}
if (!OptionHelper.isEmpty(passwordStr)) {
setter.setProperty("password", passwordStr);
}
Context ctx = new InitialContext();
ctx.rebind("dataSource", ds);
} catch (Exception oops) {
addError("Could not bind datasource. Reported error follows.", oops);
ec.addError("Could not not bind datasource of type [" + dsClassName + "].");
}
}
