// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
package jodd.util;
/**
* Few methods using infamous <code>java.misc.Unsafe</code>, mostly for private use.
* See: http://mishadoff.github.io/blog/java-magic-part-4-sun-dot-misc-dot-unsafe/
*
* Thanx to Gatling (http://gatling-tool.org)!
*/
public class UnsafeUtil {
/**
* Returns String characters in most performing way.
* If possible, the inner <code>char[]</code> will be returned.
* If not, <code>toCharArray()</code> will be called.
* Returns <code>null</code> when argument is <code>null</code>.
*/
public static char[] getChars(String string) {
if (string == null) {
return null;
}
if (!SystemUtil.hasUnsafe()) {
return string.toCharArray();
}
return PlatformInternal.unsafeGetChars(string);
}
/**
* Creates (mutable) string from given char array.
*/
public static String createString(char[] chars) {
if (chars == null) {
return null;
}
if (!SystemUtil.hasUnsafe()) {
return new String(chars);
}
return PlatformInternal.unsafeCreateString(chars);
}
}