/* vim: set ts=2 et sw=2 cindent fo=qroca: */
package com.globant.google.mendoza.command;
import java.math.BigDecimal;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.globant.google.mendoza.MendozaServer;
import com.globant.google.mendoza.MendozaRequest;
import com.globant.google.mendoza.MendozaServerState;
import com.globant.google.mendoza.malbec.Order;
/** Represents the mendoza charge order command.
*/
public final class MendozaChargeOrderCommand extends MendozaBaseCommand {
/** The class logger.
*/
private static Log log = LogFactory.getLog(MendozaChargeOrderCommand.class);
/** The amount label. */
private final String chargeAmountLabel = "Amount";
/** The order amount to charge. */
private float amountToCharge = -1;
/** Creates an instance of MendozaChargeOrderCommand.
*
* @param mendozaRequest The mendoza server request.
*
* @param mendoza The mendoza server.
*
* @param mendozaState The mendoza server state.
*/
public MendozaChargeOrderCommand(
final MendozaRequest mendozaRequest, final MendozaServer mendoza,
final MendozaServerState mendozaState) {
super(mendozaRequest, mendoza, mendozaState);
setName("Charge order");
}
/** Executes the mendoza server charge order command.
*/
public void execute() {
log.trace("Entering execute");
MendozaCommandResult result = new MendozaCommandResult();
String commandResultMsg =
"OK - Charge order command sent to the mendoza server.";
try {
MendozaServerState state = this.getMendozaState();
if (!state.isNewOrderNotificationReceived()
|| !state.isRiskInformationNotificationReceived()) {
throw new RuntimeException(
"The order can not be charged in its"
+ " current financial order state.");
}
setRequestParameters();
Order order = this.getMendozaState().getOrder();
if (amountToCharge < 0) {
order.charge();
} else {
order.charge(new BigDecimal(amountToCharge));
}
result.setSuccess(commandResultMsg);
} catch (RuntimeException e) {
commandResultMsg = e.getMessage();
result.setError(commandResultMsg);
}
setResult(result);
logCommand(this);
log.trace("Leaving execute");
}
/** Sets the charge order command parameters.
*/
private void setRequestParameters() {
log.trace("Entering setRequestParameters");
String amountStr =
getMendozaRequest().getRequestParameters().getProperty("amount");
if (amountStr == null) {
logRequestParameter(chargeAmountLabel, "Completely");
} else {
try {
amountToCharge = Float.parseFloat(amountStr);
} catch (Exception e) {
log.trace("Leaving setRequestParameters");
throw new RuntimeException("The amount must be a positive number");
}
if (amountToCharge < 0) {
log.trace("Leaving setRequestParameters");
throw new RuntimeException("The amount cannot be a negative number");
}
logRequestParameter(chargeAmountLabel, amountStr);
}
log.trace("Leaving setRequestParameters");
}
}