@Override
public Object getValue(String paramName) throws IllegalArgumentException {
if (values.containsKey(paramName)) {
return values.get(paramName);
}
if (!parameterExpressions.containsKey(paramName)) {
Expression[] expressions =
new Expression[] {
PARSER.parseExpression(paramName),
PARSER.parseExpression("#root.![" + paramName + "]")
};
ExpressionEvaluatingSqlParameterSourceFactory.this.parameterExpressions.put(
paramName, expressions);
this.parameterExpressions.put(paramName, expressions);
}
Expression expression = null;
if (input instanceof Collection<?>) {
expression = parameterExpressions.get(paramName)[1];
} else {
expression = parameterExpressions.get(paramName)[0];
}
Object value = evaluateExpression(expression, input);
values.put(paramName, value);
if (logger.isDebugEnabled()) {
logger.debug("Resolved expression " + expression + " to " + value);
}
return value;
}
/**
* @param groupTimeoutExpression the group timeout expression string.
* @return the handler spec.
* @see AbstractCorrelatingMessageHandler#setGroupTimeoutExpression
*/
public S groupTimeoutExpression(String groupTimeoutExpression) {
Assert.hasText(groupTimeoutExpression, "'groupTimeoutExpression' must not be empty string.");
this.handler.setGroupTimeoutExpression(PARSER.parseExpression(groupTimeoutExpression));
return _this();
}
FileWritingMessageHandlerSpec(String directoryExpression) {
this.target = new FileWritingMessageHandler(PARSER.parseExpression(directoryExpression));
}
