/*
* Copyright 2012 Sebastian Annies, Hamburg
*
* 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 com.googlecode.mp4parser.util;
public class CastUtils {
/**
* Casts a long to an int. In many cases I use a long for a UInt32 but this cannot be used to allocate
* ByteBuffers or arrays since they restricted to <code>Integer.MAX_VALUE</code> this cast-method will throw
* a RuntimeException if the cast would cause a loss of information.
*
* @param l the long value
* @return the long value as int
*/
public static int l2i(long l) {
if (l > Integer.MAX_VALUE || l < Integer.MIN_VALUE) {
throw new RuntimeException("A cast to int has gone wrong. Please contact the mp4parser discussion group (" + l + ")");
}
return (int) l;
}
}