org.graylog2.database.validators.ListValidator Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Graylog, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* .
*/
package org.graylog2.database.validators;
import org.graylog2.plugin.database.validators.ValidationResult;
import org.graylog2.plugin.database.validators.Validator;
import java.util.List;
public class ListValidator implements Validator {
private boolean allowMissing;
public ListValidator() {
this(false);
}
public ListValidator(boolean allowNull) {
this.allowMissing = allowNull;
}
@Override
public ValidationResult validate(Object value) {
if ((allowMissing && value == null) || value instanceof List) {
return new ValidationResult.ValidationPassed();
} else {
return new ValidationResult.ValidationFailed("Value is not a list!");
}
}
}