blob: e96a807fcd9c4f85c512ee4a91cebe09b776773e [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.maven.internal.impl;
class Utils {
static <T> T nonNull(T t) {
if (t == null) {
throw new IllegalArgumentException();
}
return t;
}
static <T> T nonNull(T t, String message) {
if (t == null) {
throw new IllegalArgumentException(message);
}
return t;
}
static <T> T cast(Class<T> clazz, Object o, String message) {
if (!clazz.isInstance(o)) {
throw new IllegalArgumentException(message);
}
return clazz.cast(o);
}
}