Strings.java

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * JBoss, Home of Professional Open Source
 * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @authors tag. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU Lesser General Public License, v. 2.1.
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * 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,
 * v.2.1 along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */
package org.hibernate.hql.internal.util;

import java.util.Arrays;

/**
 * Helper class for dealing with strings.
 *
 * @author Gunnar Morling
 */
public class Strings {

	private Strings() {
	}

	public static String join(String[] strings, String separator) {
		return join( Arrays.asList( strings ), separator );
	}

	public static String join(Iterable<String> iterable, String separator) {
		StringBuilder sb = new StringBuilder();
		boolean isFirst = true;

		for ( String object : iterable ) {
			if ( !isFirst ) {
				sb.append( separator );
			}
			else {
				isFirst = false;
			}

			sb.append( object );
		}

		return sb.toString();
	}
}