/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.util;
import java.util.
Locale;
/**
* Utility class for Strings.
*/
public final class
StringUtil {
private static final
Locale LOCALE_INTERNAL =
Locale.
ENGLISH;
private
StringUtil() {
}
public static
String bytesToString(byte
bytes[], int
offset, int
length) {
return new
String(
bytes,
offset,
length);
}
public static
String bytesToString(byte[]
bytes){
return new
String(
bytes);
}
public static byte[]
stringToBytes(
String s){
return
s.
getBytes();
}
public static boolean
isNullOrEmpty(
String s){
if(
s == null){
return true;
}
return
s.
isEmpty();
}
/**
* HC specific settings, operands etc. use this method.
*/
public static
String upperCaseInternal(
String s) {
if (
isNullOrEmpty(
s)) {
return
s;
}
return
s.
toUpperCase(
LOCALE_INTERNAL);
}
/**
* HC specific settings, operands etc. use this method.
*/
public static
String lowerCaseInternal(
String s) {
if (
isNullOrEmpty(
s)) {
return
s;
}
return
s.
toLowerCase(
LOCALE_INTERNAL);
}
}