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/*
* Copyright (c) 2009-2010 Robert Elliot
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package uk.org.lidalia.sysoutslf4j.common;
public final class StringUtils {
public static String stripEnd(final String str, final String stripChars) {
return stripEnd(str, str.length() - 1, stripChars);
}
private static String stripEnd(final String string, final int index, final String stripChars) {
final String result;
if (index == -1) {
result = "";
} else {
final char candidateToBeStripped = string.charAt(index);
final boolean candidateShouldNotBeStripped = stripChars.indexOf(candidateToBeStripped) == -1;
if (candidateShouldNotBeStripped) {
result = string.substring(0, index + 1);
} else {
result = stripEnd(string, index - 1, stripChars);
}
}
return result;
}
public static String substringBefore(final String toBeSubstringed, final String separator) {
final String substring;
final int indexOfSeparator = toBeSubstringed.indexOf(separator);
if (indexOfSeparator == -1) {
substring = toBeSubstringed;
} else {
substring = toBeSubstringed.substring(0, indexOfSeparator);
}
return substring;
}
private StringUtils() {
throw new UnsupportedOperationException("Not instantiable");
}
}
