org.n52.faroe.Validation Maven / Gradle / Ivy
/*
* Copyright 2015-2018 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.n52.faroe;
/**
* @author Christian Autermann
* @since 1.0.0
*
*/
public final class Validation {
private Validation() {
}
public static T notNull(String name, T val) throws ConfigurationError {
if (val == null) {
throw new ConfigurationError(String.format("%s can not be null!", name));
}
return val;
}
public static int greaterZero(String name, int i) throws ConfigurationError {
if (i <= 0) {
throw new ConfigurationError(String.format("%s can not be smaller or equal zero (was %d)!", name, i));
}
return i;
}
public static int greaterEqualZero(String name, int i) throws ConfigurationError {
if (i < 0) {
throw new ConfigurationError(String.format("%s can not be smaller than zero (was %d)!", name, i));
}
return i;
}
public static String notNullOrEmpty(String name, String val) throws ConfigurationError {
notNull(name, val);
if (val.isEmpty()) {
throw new ConfigurationError(String.format("%s can not be empty!", name));
}
return val;
}
}