/**
* Gets the value of the specified parameter.
*
* @param name the parameter element name, cannot be <code>null</code>.
* @return string containing the value of the parameter element, or <code>null</code> if the value
* is not set.
* @throws IllegalArgumentException if <code>name == null</code>.
*/
public String getParameter(String name) throws IllegalArgumentException {
// Check preconditions
MandatoryArgumentChecker.check("name", name);
return _parameters.get(name);
}
/**
* Adds an output parameter to the result. The name and the value must both be specified.
*
* @param name the name of the output parameter, not <code>null</code> and not an empty string.
* @param value the value of the output parameter, not <code>null</code> and not an empty string.
* @throws IllegalArgumentException if <code>name == null || "".equals(name)
* || value == null || "".equals(value)</code>.
*/
protected void param(String name, String value) throws IllegalArgumentException {
// Check preconditions
MandatoryArgumentChecker.check("name", name, "value", value);
if (name.length() < 1) {
throw new IllegalArgumentException("\"\".equals(name)");
} else if (value.length() < 1) {
throw new IllegalArgumentException("\"\".equals(value)");
}
// This will erase any value set before with the same name.
_parameters.set(name, value);
}