org.apache.james.webadmin.validation.Quotas Maven / Gradle / Ivy
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package org.apache.james.webadmin.validation;
import java.util.Optional;
import org.apache.james.core.quota.QuotaCountLimit;
import org.apache.james.core.quota.QuotaSizeLimit;
import org.apache.james.webadmin.utils.ErrorResponder;
import org.eclipse.jetty.http.HttpStatus;
public abstract class Quotas {
public static QuotaCountLimit quotaCount(String serialized) {
return minusOneToEmpty(parseToLong(serialized))
.map(QuotaCountLimit::count)
.orElse(QuotaCountLimit.unlimited());
}
public static QuotaSizeLimit quotaSize(String serialized) {
return minusOneToEmpty(parseToLong(serialized))
.map(QuotaSizeLimit::size)
.orElse(QuotaSizeLimit.unlimited());
}
private static Optional minusOneToEmpty(long value) {
if (value < -1) {
throw generateInvalidInputError().haltError();
}
if (value == -1) {
return Optional.empty();
}
return Optional.of(value);
}
private static long parseToLong(String serialized) {
try {
return Long.parseLong(serialized);
} catch (IllegalArgumentException e) {
throw generateInvalidInputError()
.cause(e)
.haltError();
}
}
private static ErrorResponder generateInvalidInputError() {
return ErrorResponder.builder()
.statusCode(HttpStatus.BAD_REQUEST_400)
.type(ErrorResponder.ErrorType.INVALID_ARGUMENT)
.message("Invalid quota. Need to be an integer value greater or equal to -1");
}
}