Java Long to Int longToInt(Long l)

Description

Converts a Long to an int with special attention to overflow issues.

License

Open Source License

Return

The converted int. If the Long is larger than Integer.MAX_VALUE, it returns Integer.MAX_VALUE. If the Long is smaller than Integer.MIN_VALUE, it returns Integer.MIN_VALUE. If the parameter is null, it returns 0.

Declaration

public static int longToInt(Long l)

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2010-2015 BSI Business Systems Integration AG.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:/*from   ww  w .j a  v  a2  s  .c  o m*/
 *     BSI Business Systems Integration AG - initial API and implementation
 ******************************************************************************/

public class Main {
    /**
     * Converts a Long to an int with special attention to overflow issues.
     *
     * @return The converted int. If the Long is larger than Integer.MAX_VALUE, it returns Integer.MAX_VALUE. If the Long
     *         is smaller than Integer.MIN_VALUE, it returns Integer.MIN_VALUE. If the parameter is <code>null</code>, it
     *         returns 0.
     */
    public static int longToInt(Long l) {
        if (l != null) {
            if (new Long(Integer.MAX_VALUE).compareTo(l) == -1) {
                return Integer.MAX_VALUE;
            } else if (new Long(Integer.MIN_VALUE).compareTo(l) == 1) {
                return Integer.MIN_VALUE;
            }
            return l.intValue();
        }
        return 0;
    }
}