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StringUtil.java
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/
StringUtil.java
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/*
* © 2017 Matthias Bläsing <mblaesing@doppel-helix.eu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package jcifs.internal.util;
/**
*
*/
public final class StringUtil {
/**
*
*/
private StringUtil () {}
/**
* Implementation of {@link java.lang.String#join} backported for JDK7.
*
* @param delimiter
* @param elements
* @return elements separated by delimiter
*/
public static String join ( CharSequence delimiter, CharSequence... elements ) {
StringBuilder sb = new StringBuilder();
for ( CharSequence element : elements ) {
if ( sb.length() > 0 ) {
if ( delimiter != null ) {
sb.append(delimiter);
}
else {
sb.append("null");
}
}
sb.append(element);
}
return sb.toString();
}
}