display Bytes Size
/*
* @(#)$Id: StringUtils.java 3619 2008-03-26 07:23:03Z yui $
*
* Copyright 2006-2008 Makoto YUI
*
* 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.
*
* Contributors:
* Makoto YUI - initial implementation
*/
//package xbird.util.string;
/**
*
* <DIV lang="en"></DIV>
* <DIV lang="ja"></DIV>
*
* @author Makoto YUI (yuin405+xbird@gmail.com)
*/
public final class StringUtils {
private static final float KBYTES = 1024f;
private static final float MBYTES = KBYTES * KBYTES;
private static final float GBYTES = MBYTES * KBYTES;
public static String displayBytesSize(final long n) {
final String size;
final long abs = Math.abs(n);
if(abs < KBYTES) {
size = n + " bytes";
} else if(abs < MBYTES) {
size = String.format("%.2f", n / KBYTES) + " kB";
} else if(abs < GBYTES) {
size = String.format("%.2f", n / MBYTES) + " MB";
} else {
return String.format("%.2f", n / GBYTES) + " GB";
}
return size;
}
}
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