com.mchange.lang.StringUtils Maven / Gradle / Ivy
/*
* Distributed as part of mchange-commons-java 0.2.6.3
*
* Copyright (C) 2013 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of EITHER:
*
* 1) The GNU Lesser General Public License (LGPL), version 2.1, as
* published by the Free Software Foundation
*
* OR
*
* 2) The Eclipse Public License (EPL), version 1.0
*
* You may choose which license to accept if you wish to redistribute
* or modify this work. You may offer derivatives of this work
* under the license you have chosen, or you may provide the same
* choice of license which you have been offered here.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received copies of both LGPL v2.1 and EPL v1.0
* along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
* If not, the text of these licenses are currently available at
*
* LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php
*
*/
package com.mchange.lang;
import java.io.UnsupportedEncodingException;
/**
* @deprecated use com.mchange.v2.lang.StringUtils (JDK 1.4+)
*/
public final class StringUtils
{
public final static String[] EMPTY_STRING_ARRAY = new String[0];
public static String normalString(String s)
{ return nonEmptyTrimmedOrNull(s); }
public static boolean nonEmptyString(String s)
{return (s != null && s.length() > 0);}
public static boolean nonWhitespaceString(String s)
{return (s != null && s.trim().length() > 0);}
public static String nonEmptyOrNull(String s)
{return ( nonEmptyString(s) ? s : null );}
public static String nonNullOrBlank(String s)
{return ( s!= null ? s : "" );}
public static String nonEmptyTrimmedOrNull(String s)
{
String out = s;
if (out != null)
{
out = out.trim();
out = (out.length() > 0 ? out : null);
}
return out;
}
public static byte[] getUTF8Bytes( String s )
{
try
{ return s.getBytes( "UTF8" ); }
catch (UnsupportedEncodingException e)
{
e.printStackTrace();
throw new InternalError("UTF8 is an unsupported encoding?!?");
}
}
}