Merge pull request 'Update AbstractValidator' (#14) from CMDAPIBetterValidationAPI into master
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Reviewed-on: #14
Dieser Commit ist enthalten in:
YoyoNow 2022-08-17 20:38:43 +02:00
Commit 6cb3bc5ff5

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@ -19,6 +19,12 @@
package de.steamwar.command;
import lombok.RequiredArgsConstructor;
import java.util.function.BooleanSupplier;
import java.util.function.Function;
import java.util.function.Predicate;
@FunctionalInterface
public interface AbstractValidator<K, T> {
@ -32,8 +38,57 @@ public interface AbstractValidator<K, T> {
*/
boolean validate(K sender, T value, MessageSender messageSender);
default <C> Validator<C> validate(C value, MessageSender messageSender) {
return new Validator<>(value, messageSender);
}
@RequiredArgsConstructor
class Validator<C> {
private final C value;
private final MessageSender messageSender;
private boolean valid = true;
public <M> Validator<M> map(Function<C, M> mapper) {
return new Validator<>(mapper.apply(value), messageSender).set(valid);
}
public Validator<C> set(boolean value) {
this.valid = value;
return this;
}
public Validator<C> and(Predicate<C> predicate) {
valid &= predicate.test(value);
return this;
}
public Validator<C> or(Predicate<C> predicate) {
valid |= predicate.test(value);
return this;
}
public Validator<C> errorMessage(String s, Object... args) {
if (!valid) messageSender.send(s, args);
return this;
}
public boolean result() {
return valid;
}
}
@FunctionalInterface
interface MessageSender {
void send(String s, Object... args);
default boolean send(boolean condition, String s, Object... args) {
if (condition) send(s, args);
return condition;
}
default boolean send(BooleanSupplier condition, String s, Object... args) {
return send(condition.getAsBoolean(), s, args);
}
}
}