@Override
public String randomValueAsString(Field<TYPE> field) {
TYPE randomValue = randomValue(field);
String stringValue = randomValue.toString();
if (field.getPadding() != null) {
long maxLength = field.getMaxLength() != 0 ? field.getMaxLength() : field.getFixedLength();
stringValue = paddedRandomValue(field.getPadding(), randomValue, maxLength);
}
return stringValue;
}
/**
* This method is used to apply padding to a random value to make it the required length
*
* @param padding the value to be padded
* @param value the generated random value
* @param maxLength the maximum length of the random value
* @return the padded random value as String
*/
private String paddedRandomValue(String padding, TYPE value, long maxLength) {
long paddingLength = maxLength - value.toString().length();
String formattedValue = value.toString();
if (paddingLength <= 0) {
return formattedValue;
}
StringBuilder valueWithPadding = new StringBuilder(padding);
while (valueWithPadding.length() < paddingLength) {
valueWithPadding.append(padding);
}
valueWithPadding.append(value.toString());
if (valueWithPadding.length() > maxLength) {
formattedValue = valueWithPadding.substring(0, (int) maxLength);
} else {
formattedValue = valueWithPadding.toString();
}
return formattedValue;
}
/**
* Constructs a new {@code EnumParam}, initialized to the default value. Limit the set of options
* with the supplied {@code EnumSet}.
*
* @param name of the {@code Param} (max 72 chars)
* @param info {@code String} for use in tooltips; a {@code null} value will be set to an empty
* {@code String} (max 256 chars)
* @param defaultValue of the {@code Param}
* @param options a subset of the option type
* @throws IllegalArgumentException if {@code name} is an empty string, {@code options} is empty,
* or the {@code defaultValue} is not included in {@code options}
*/
DefaultEnumParam(String name, String info, E defaultValue, Set<E> options) {
super(name, info, defaultValue);
checkNotNull(options);
checkArgument(!options.isEmpty(), "Options is empty");
checkArgument(options.contains(defaultValue), "Default missing from options");
this.options = Sets.immutableEnumSet(options);
// init state
state.addProperty(TYPE.toString(), ENUM.toString());
JsonArray stateOptions = new JsonArray();
for (E option : options) {
stateOptions.add(new JsonPrimitive(option.name()));
}
state.add(OPTIONS.toString(), stateOptions);
}